EESchema Schematic File Version 4 LIBS:headphone-amp-cache EELAYER 29 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L power:Earth #PWR01 U 1 1 59305203 P 950 1750 F 0 "#PWR01" H 950 1500 50 0001 C CNN F 1 "Earth" H 950 1600 50 0001 C CNN F 2 "" H 950 1750 50 0001 C CNN F 3 "" H 950 1750 50 0001 C CNN 1 950 1750 1 0 0 -1 $EndComp $Comp L power:Earth #PWR02 U 1 1 59305218 P 850 1750 F 0 "#PWR02" H 850 1500 50 0001 C CNN F 1 "Earth" H 850 1600 50 0001 C CNN F 2 "" H 850 1750 50 0001 C CNN F 3 "" H 850 1750 50 0001 C CNN 1 850 1750 1 0 0 -1 $EndComp Text Label 1450 1200 2 60 ~ 0 D+ Text Label 1450 1300 2 60 ~ 0 D- Text Notes 800 1950 0 60 ~ 0 Earth $Comp L headphone-amp-rescue:SIM2-XXXXD U2 U 1 1 5930537C P 2700 900 F 0 "U2" H 3400 950 60 0000 C CNN F 1 "SIM2-XXXXD" H 3000 950 60 0000 C CNN F 2 "tht:SIL7-reduced" H 2700 900 60 0001 C CNN F 3 "" H 2700 900 60 0001 C CNN 1 2700 900 1 0 0 -1 $EndComp $Comp L power:+12V #PWR03 U 1 1 5930547F P 5200 650 F 0 "#PWR03" H 5200 500 50 0001 C CNN F 1 "+12V" H 5200 790 50 0000 C CNN F 2 "" H 5200 650 50 0001 C CNN F 3 "" H 5200 650 50 0001 C CNN 1 5200 650 1 0 0 -1 $EndComp $Comp L power:-12V #PWR036 U 1 1 59305497 P 5200 1450 F 0 "#PWR036" H 5200 1550 50 0001 C CNN F 1 "-12V" H 5200 1600 50 0000 C CNN F 2 "" H 5200 1450 50 0001 C CNN F 3 "" H 5200 1450 50 0001 C CNN 1 5200 1450 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:C C3 U 1 1 59305590 P 1700 1200 F 0 "C3" H 1725 1300 50 0000 L CNN F 1 "200n" H 1725 1100 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1738 1050 50 0001 C CNN F 3 "" H 1700 1200 50 0001 C CNN 1 1700 1200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C11 U 1 1 5930565F P 2350 1200 F 0 "C11" H 2375 1300 50 0000 L CNN F 1 "100n" H 2375 1100 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2388 1050 50 0001 C CNN F 3 "" H 2350 1200 50 0001 C CNN 1 2350 1200 1 0 0 -1 $EndComp $Comp L power:Earth #PWR04 U 1 1 59305700 P 1700 1750 F 0 "#PWR04" H 1700 1500 50 0001 C CNN F 1 "Earth" H 1700 1600 50 0001 C CNN F 2 "" H 1700 1750 50 0001 C CNN F 3 "" H 1700 1750 50 0001 C CNN 1 1700 1750 1 0 0 -1 $EndComp $Comp L power:Earth #PWR05 U 1 1 5930571D P 2150 1750 F 0 "#PWR05" H 2150 1500 50 0001 C CNN F 1 "Earth" H 2150 1600 50 0001 C CNN F 2 "" H 2150 1750 50 0001 C CNN F 3 "" H 2150 1750 50 0001 C CNN 1 2150 1750 1 0 0 -1 $EndComp $Comp L power:Earth #PWR06 U 1 1 5930573A P 2350 1750 F 0 "#PWR06" H 2350 1500 50 0001 C CNN F 1 "Earth" H 2350 1600 50 0001 C CNN F 2 "" H 2350 1750 50 0001 C CNN F 3 "" H 2350 1750 50 0001 C CNN 1 2350 1750 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C16 U 1 1 59305A96 P 3800 850 F 0 "C16" H 3825 950 50 0000 L CNN F 1 "10u" H 3825 750 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D5_L11_P2" H 3838 700 50 0001 C CNN F 3 "" H 3800 850 50 0001 C CNN 1 3800 850 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C17 U 1 1 59305B29 P 3800 1250 F 0 "C17" H 3825 1350 50 0000 L CNN F 1 "10u" H 3825 1150 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D5_L11_P2" H 3838 1100 50 0001 C CNN F 3 "" H 3800 1250 50 0001 C CNN 1 3800 1250 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C19 U 1 1 59305CF8 P 4050 850 F 0 "C19" H 4075 950 50 0000 L CNN F 1 "100n" H 4075 750 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4088 700 50 0001 C CNN F 3 "" H 4050 850 50 0001 C CNN 1 4050 850 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C20 U 1 1 59305D6F P 4050 1250 F 0 "C20" H 4075 1350 50 0000 L CNN F 1 "100n" H 4075 1150 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4088 1100 50 0001 C CNN F 3 "" H 4050 1250 50 0001 C CNN 1 4050 1250 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C24 U 1 1 59306303 P 5050 1250 F 0 "C24" H 5075 1350 50 0000 L CNN F 1 "100n" H 5075 1150 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 5088 1100 50 0001 C CNN F 3 "" H 5050 1250 50 0001 C CNN 1 5050 1250 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C23 U 1 1 59306354 P 5050 850 F 0 "C23" H 5075 950 50 0000 L CNN F 1 "100n" H 5075 750 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 5088 700 50 0001 C CNN F 3 "" H 5050 850 50 0001 C CNN 1 5050 850 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C25 U 1 1 593064DB P 5350 850 F 0 "C25" H 5375 950 50 0000 L CNN F 1 "100u" H 5375 750 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D8_L11.5_P3.5" H 5388 700 50 0001 C CNN F 3 "" H 5350 850 50 0001 C CNN 1 5350 850 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C26 U 1 1 59306550 P 5350 1250 F 0 "C26" H 5375 1350 50 0000 L CNN F 1 "100u" H 5375 1150 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D8_L11.5_P3.5" H 5388 1100 50 0001 C CNN F 3 "" H 5350 1250 50 0001 C CNN 1 5350 1250 1 0 0 -1 $EndComp $Comp L power:Earth #PWR07 U 1 1 59306CF9 P 2500 1750 F 0 "#PWR07" H 2500 1500 50 0001 C CNN F 1 "Earth" H 2500 1600 50 0001 C CNN F 2 "" H 2500 1750 50 0001 C CNN F 3 "" H 2500 1750 50 0001 C CNN 1 2500 1750 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR08 U 1 1 59307337 P 5850 1050 F 0 "#PWR08" H 5850 850 50 0001 C CNN F 1 "GNDPWR" H 5850 920 50 0000 C CNN F 2 "" H 5850 1000 50 0001 C CNN F 3 "" H 5850 1000 50 0001 C CNN 1 5850 1050 1 0 0 -1 $EndComp $Comp L shimatta_relais:Relais-2 K1 U 1 1 59346B99 P 3150 7100 F 0 "K1" H 3150 7150 60 0000 C CNN F 1 "Relais-2" H 3550 7150 60 0000 C CNN F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 3150 7100 60 0001 C CNN F 3 "" H 3150 7100 60 0001 C CNN 1 3150 7100 -1 0 0 1 $EndComp $Comp L shimatta_relais:Relais-2 K1 U 2 1 59346C2C P 2800 5700 F 0 "K1" H 2800 5750 60 0000 C CNN F 1 "Relais-2" H 3200 5750 60 0000 C CNN F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 2800 5700 60 0001 C CNN F 3 "" H 2800 5700 60 0001 C CNN 2 2800 5700 1 0 0 -1 $EndComp $Comp L shimatta_relais:Relais-2 K1 U 3 1 59346CB9 P 2800 6050 F 0 "K1" H 2800 6100 60 0000 C CNN F 1 "Relais-2" H 3200 6100 60 0000 C CNN F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 2800 6050 60 0001 C CNN F 3 "" H 2800 6050 60 0001 C CNN 3 2800 6050 1 0 0 -1 $EndComp $Comp L shimatta_relais:Relais-2 K2 U 1 1 5934743F P 4200 7100 F 0 "K2" H 4200 7150 60 0000 C CNN F 1 "Relais-2" H 4600 7150 60 0000 C CNN F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 4200 7100 60 0001 C CNN F 3 "" H 4200 7100 60 0001 C CNN 1 4200 7100 -1 0 0 1 $EndComp $Comp L shimatta_relais:Relais-2 K2 U 2 1 59347445 P 5050 6350 F 0 "K2" H 5050 6400 60 0000 C CNN F 1 "Relais-2" H 5450 6400 60 0000 C CNN F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 5050 6350 60 0001 C CNN F 3 "" H 5050 6350 60 0001 C CNN 2 5050 6350 1 0 0 -1 $EndComp $Comp L shimatta_relais:Relais-2 K2 U 3 1 5934744B P 5100 6950 F 0 "K2" H 5100 7000 60 0000 C CNN F 1 "Relais-2" H 5500 7000 60 0000 C CNN F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 5100 6950 60 0001 C CNN F 3 "" H 5100 6950 60 0001 C CNN 3 5100 6950 1 0 0 -1 $EndComp $Comp L shimatta_ti:PCM2704 U1 U 1 1 59348397 P 2500 2550 F 0 "U1" H 2550 2600 60 0000 C CNN F 1 "PCM2704" H 2900 2600 60 0000 C CNN F 2 "Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm" H 2500 2550 60 0001 C CNN F 3 "" H 2500 2550 60 0001 C CNN 1 2500 2550 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:Crystal Y1 U 1 1 59348602 P 2800 2250 F 0 "Y1" H 2800 2400 50 0000 C CNN F 1 "12MHz" H 2800 2100 50 0000 C CNN F 2 "Crystals:Crystal_HC49-SD_SMD" H 2800 2250 50 0001 C CNN F 3 "" H 2800 2250 50 0001 C CNN 1 2800 2250 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R5 U 1 1 593487DE P 2800 2000 F 0 "R5" V 2880 2000 50 0000 C CNN F 1 "1M" V 2800 2000 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 2730 2000 50 0001 C CNN F 3 "" H 2800 2000 50 0001 C CNN 1 2800 2000 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:C C5 U 1 1 59348C90 P 2050 2150 F 0 "C5" H 2075 2250 50 0000 L CNN F 1 "27p" H 2075 2050 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2088 2000 50 0001 C CNN F 3 "" H 2050 2150 50 0001 C CNN 1 2050 2150 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C14 U 1 1 59348F37 P 3550 2150 F 0 "C14" H 3575 2250 50 0000 L CNN F 1 "27p" H 3575 2050 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3588 2000 50 0001 C CNN F 3 "" H 3550 2150 50 0001 C CNN 1 3550 2150 1 0 0 -1 $EndComp $Comp L power:Earth #PWR09 U 1 1 593491B9 P 2050 2350 F 0 "#PWR09" H 2050 2100 50 0001 C CNN F 1 "Earth" H 2050 2200 50 0001 C CNN F 2 "" H 2050 2350 50 0001 C CNN F 3 "" H 2050 2350 50 0001 C CNN 1 2050 2350 1 0 0 -1 $EndComp $Comp L power:Earth #PWR010 U 1 1 593492FA P 3550 2350 F 0 "#PWR010" H 3550 2100 50 0001 C CNN F 1 "Earth" H 3550 2200 50 0001 C CNN F 2 "" H 3550 2350 50 0001 C CNN F 3 "" H 3550 2350 50 0001 C CNN 1 3550 2350 1 0 0 -1 $EndComp NoConn ~ 2300 3000 NoConn ~ 2300 2700 $Comp L power:+3V3 #PWR011 U 1 1 59349848 P 2050 3200 F 0 "#PWR011" H 2050 3050 50 0001 C CNN F 1 "+3V3" H 2050 3340 50 0000 C CNN F 2 "" H 2050 3200 50 0001 C CNN F 3 "" H 2050 3200 50 0001 C CNN 1 2050 3200 0 -1 -1 0 $EndComp $Comp L power:+3V3 #PWR012 U 1 1 59349CA0 P 3600 2750 F 0 "#PWR012" H 3600 2600 50 0001 C CNN F 1 "+3V3" H 3600 2890 50 0000 C CNN F 2 "" H 3600 2750 50 0001 C CNN F 3 "" H 3600 2750 50 0001 C CNN 1 3600 2750 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C22 U 1 1 59349E35 P 4300 3400 F 0 "C22" H 4325 3500 50 0000 L CNN F 1 "1u" H 4325 3300 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4338 3250 50 0001 C CNN F 3 "" H 4300 3400 50 0001 C CNN 1 4300 3400 0 1 1 0 $EndComp $Comp L power:Earth #PWR013 U 1 1 5934A02A P 4450 4150 F 0 "#PWR013" H 4450 3900 50 0001 C CNN F 1 "Earth" H 4450 4000 50 0001 C CNN F 2 "" H 4450 4150 50 0001 C CNN F 3 "" H 4450 4150 50 0001 C CNN 1 4450 4150 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C21 U 1 1 5934A14D P 4250 3750 F 0 "C21" H 4275 3850 50 0000 L CNN F 1 "1u" H 4275 3650 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4288 3600 50 0001 C CNN F 3 "" H 4250 3750 50 0001 C CNN 1 4250 3750 1 0 0 -1 $EndComp $Comp L power:Earth #PWR014 U 1 1 5934A2A9 P 4250 4150 F 0 "#PWR014" H 4250 3900 50 0001 C CNN F 1 "Earth" H 4250 4000 50 0001 C CNN F 2 "" H 4250 4150 50 0001 C CNN F 3 "" H 4250 4150 50 0001 C CNN 1 4250 4150 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C4 U 1 1 5934A4BD P 1950 3950 F 0 "C4" H 1975 4050 50 0000 L CNN F 1 "1u" H 1975 3850 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1988 3800 50 0001 C CNN F 3 "" H 1950 3950 50 0001 C CNN 1 1950 3950 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:C C18 U 1 1 5934A59B P 3850 3950 F 0 "C18" H 3875 4050 50 0000 L CNN F 1 "1u" H 3875 3850 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3888 3800 50 0001 C CNN F 3 "" H 3850 3950 50 0001 C CNN 1 3850 3950 -1 0 0 1 $EndComp $Comp L power:Earth #PWR015 U 1 1 5934A7B6 P 3850 4150 F 0 "#PWR015" H 3850 3900 50 0001 C CNN F 1 "Earth" H 3850 4000 50 0001 C CNN F 2 "" H 3850 4150 50 0001 C CNN F 3 "" H 3850 4150 50 0001 C CNN 1 3850 4150 1 0 0 -1 $EndComp $Comp L power:Earth #PWR016 U 1 1 5934AB12 P 1950 4150 F 0 "#PWR016" H 1950 3900 50 0001 C CNN F 1 "Earth" H 1950 4000 50 0001 C CNN F 2 "" H 1950 4150 50 0001 C CNN F 3 "" H 1950 4150 50 0001 C CNN 1 1950 4150 1 0 0 -1 $EndComp Text Label 2100 4800 1 60 ~ 0 LUSB Text Label 3550 4800 1 60 ~ 0 RUSB $Comp L power:Earth #PWR017 U 1 1 5934B062 P 4050 4150 F 0 "#PWR017" H 4050 3900 50 0001 C CNN F 1 "Earth" H 4050 4000 50 0001 C CNN F 2 "" H 4050 4150 50 0001 C CNN F 3 "" H 4050 4150 50 0001 C CNN 1 4050 4150 1 0 0 -1 $EndComp $Comp L power:Earth #PWR018 U 1 1 5934B239 P 1750 4150 F 0 "#PWR018" H 1750 3900 50 0001 C CNN F 1 "Earth" H 1750 4000 50 0001 C CNN F 2 "" H 1750 4150 50 0001 C CNN F 3 "" H 1750 4150 50 0001 C CNN 1 1750 4150 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:L_Small L1 U 1 1 5934B57E P 1500 2200 F 0 "L1" H 1530 2240 50 0000 L CNN F 1 "47u" H 1530 2160 50 0000 L CNN F 2 "Resistors_SMD:R_1812_HandSoldering" H 1500 2200 50 0001 C CNN F 3 "" H 1500 2200 50 0001 C CNN 1 1500 2200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C1 U 1 1 5934B839 P 1000 2550 F 0 "C1" H 1025 2650 50 0000 L CNN F 1 "10u" H 1025 2450 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D5_L11_P2" H 1038 2400 50 0001 C CNN F 3 "" H 1000 2550 50 0001 C CNN 1 1000 2550 1 0 0 -1 $EndComp $Comp L power:Earth #PWR019 U 1 1 5934BAB4 P 1000 2750 F 0 "#PWR019" H 1000 2500 50 0001 C CNN F 1 "Earth" H 1000 2600 50 0001 C CNN F 2 "" H 1000 2750 50 0001 C CNN F 3 "" H 1000 2750 50 0001 C CNN 1 1000 2750 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C2 U 1 1 5934BF3E P 1500 3700 F 0 "C2" H 1525 3800 50 0000 L CNN F 1 "100n" H 1525 3600 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1538 3550 50 0001 C CNN F 3 "" H 1500 3700 50 0001 C CNN 1 1500 3700 -1 0 0 1 $EndComp $Comp L power:Earth #PWR020 U 1 1 5934C0E0 P 1500 4150 F 0 "#PWR020" H 1500 3900 50 0001 C CNN F 1 "Earth" H 1500 4000 50 0001 C CNN F 2 "" H 1500 4150 50 0001 C CNN F 3 "" H 1500 4150 50 0001 C CNN 1 1500 4150 1 0 0 -1 $EndComp Text Label 1600 3300 0 60 ~ 0 D- Text Label 1050 3400 0 60 ~ 0 D+ $Comp L headphone-amp-rescue:C C6 U 1 1 5934D473 P 2050 2950 F 0 "C6" H 2075 3050 50 0000 L CNN F 1 "100n" H 2075 2850 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2088 2800 50 0001 C CNN F 3 "" H 2050 2950 50 0001 C CNN 1 2050 2950 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:R R3 U 1 1 5934E099 P 2050 3300 F 0 "R3" V 2130 3300 50 0000 C CNN F 1 "22" V 2050 3300 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 1980 3300 50 0001 C CNN F 3 "" H 2050 3300 50 0001 C CNN 1 2050 3300 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:R R2 U 1 1 5934E1D2 P 1750 3400 F 0 "R2" V 1830 3400 50 0000 C CNN F 1 "22" V 1750 3400 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 1680 3400 50 0001 C CNN F 3 "" H 1750 3400 50 0001 C CNN 1 1750 3400 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:R R1 U 1 1 5934E5F3 P 1350 3100 F 0 "R1" V 1430 3100 50 0000 C CNN F 1 "1k5" V 1350 3100 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 1280 3100 50 0001 C CNN F 3 "" H 1350 3100 50 0001 C CNN 1 1350 3100 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR021 U 1 1 5934E698 P 1350 2900 F 0 "#PWR021" H 1350 2750 50 0001 C CNN F 1 "+3V3" H 1350 3040 50 0000 C CNN F 2 "" H 1350 2900 50 0001 C CNN F 3 "" H 1350 2900 50 0001 C CNN 1 1350 2900 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R6 U 1 1 5934ED7E P 3350 4150 F 0 "R6" V 3430 4150 50 0000 C CNN F 1 "16" V 3350 4150 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 3280 4150 50 0001 C CNN F 3 "" H 3350 4150 50 0001 C CNN 1 3350 4150 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:C C13 U 1 1 5934F029 P 3000 4150 F 0 "C13" H 3025 4250 50 0000 L CNN F 1 "22n" H 3025 4050 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3038 4000 50 0001 C CNN F 3 "" H 3000 4150 50 0001 C CNN 1 3000 4150 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:C C15 U 1 1 5934F52B P 3550 4400 F 0 "C15" H 3575 4500 50 0000 L CNN F 1 "1u" H 3575 4300 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3588 4250 50 0001 C CNN F 3 "" H 3550 4400 50 0001 C CNN 1 3550 4400 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C12 U 1 1 5934FA03 P 2600 4150 F 0 "C12" H 2625 4250 50 0000 L CNN F 1 "22n" H 2625 4050 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2638 4000 50 0001 C CNN F 3 "" H 2600 4150 50 0001 C CNN 1 2600 4150 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:R R4 U 1 1 5934FAAF P 2250 4150 F 0 "R4" V 2330 4150 50 0000 C CNN F 1 "16" V 2250 4150 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 2180 4150 50 0001 C CNN F 3 "" H 2250 4150 50 0001 C CNN 1 2250 4150 0 1 1 0 $EndComp $Comp L power:Earth #PWR022 U 1 1 5934FEA4 P 2800 4250 F 0 "#PWR022" H 2800 4000 50 0001 C CNN F 1 "Earth" H 2800 4100 50 0001 C CNN F 2 "" H 2800 4250 50 0001 C CNN F 3 "" H 2800 4250 50 0001 C CNN 1 2800 4250 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C9 U 1 1 593501B5 P 2100 4400 F 0 "C9" H 2125 4500 50 0000 L CNN F 1 "1u" H 2125 4300 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2138 4250 50 0001 C CNN F 3 "" H 2100 4400 50 0001 C CNN 1 2100 4400 1 0 0 1 $EndComp Text Label 2450 5800 0 60 ~ 0 LUSB Text Label 2450 6150 0 60 ~ 0 RUSB $Comp L headphone-amp-rescue:C C8 U 1 1 5935A9B7 P 2050 6250 F 0 "C8" H 2075 6350 50 0000 L CNN F 1 "1u" H 2075 6150 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2088 6100 50 0001 C CNN F 3 "" H 2050 6250 50 0001 C CNN 1 2050 6250 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:C C7 U 1 1 5935AC3B P 2050 5900 F 0 "C7" H 2075 6000 50 0000 L CNN F 1 "1u" H 2075 5800 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2088 5750 50 0001 C CNN F 3 "" H 2050 5900 50 0001 C CNN 1 2050 5900 0 1 1 0 $EndComp $Comp L power:GNDA #PWR023 U 1 1 5935B548 P 1600 5850 F 0 "#PWR023" H 1600 5600 50 0001 C CNN F 1 "GNDA" H 1600 5700 50 0000 C CNN F 2 "" H 1600 5850 50 0001 C CNN F 3 "" H 1600 5850 50 0001 C CNN 1 1600 5850 1 0 0 -1 $EndComp $Comp L power:+5V #PWR024 U 1 1 5935BE5E P 1700 850 F 0 "#PWR024" H 1700 700 50 0001 C CNN F 1 "+5V" H 1700 990 50 0000 C CNN F 2 "" H 1700 850 50 0001 C CNN F 3 "" H 1700 850 50 0001 C CNN 1 1700 850 1 0 0 -1 $EndComp $Comp L power:Earth #PWR025 U 1 1 5935CBA9 P 4750 6450 F 0 "#PWR025" H 4750 6200 50 0001 C CNN F 1 "Earth" H 4750 6300 50 0001 C CNN F 2 "" H 4750 6450 50 0001 C CNN F 3 "" H 4750 6450 50 0001 C CNN 1 4750 6450 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR026 U 1 1 5935D032 P 5700 6500 F 0 "#PWR026" H 5700 6300 50 0001 C CNN F 1 "GNDPWR" H 5700 6370 50 0000 C CNN F 2 "" H 5700 6450 50 0001 C CNN F 3 "" H 5700 6450 50 0001 C CNN 1 5700 6500 0 -1 -1 0 $EndComp $Comp L power:GNDA #PWR027 U 1 1 5935D4FC P 4950 6550 F 0 "#PWR027" H 4950 6300 50 0001 C CNN F 1 "GNDA" H 4950 6400 50 0000 C CNN F 2 "" H 4950 6550 50 0001 C CNN F 3 "" H 4950 6550 50 0001 C CNN 1 4950 6550 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR028 U 1 1 5935D974 P 5750 7100 F 0 "#PWR028" H 5750 6900 50 0001 C CNN F 1 "GNDPWR" H 5750 6970 50 0000 C CNN F 2 "" H 5750 7050 50 0001 C CNN F 3 "" H 5750 7050 50 0001 C CNN 1 5750 7100 0 -1 -1 0 $EndComp $Comp L power:Earth #PWR029 U 1 1 5935DAF1 P 4750 7050 F 0 "#PWR029" H 4750 6800 50 0001 C CNN F 1 "Earth" H 4750 6900 50 0001 C CNN F 2 "" H 4750 7050 50 0001 C CNN F 3 "" H 4750 7050 50 0001 C CNN 1 4750 7050 0 1 1 0 $EndComp $Comp L power:GNDA #PWR030 U 1 1 5935DAF8 P 4950 7150 F 0 "#PWR030" H 4950 6900 50 0001 C CNN F 1 "GNDA" H 4950 7000 50 0000 C CNN F 2 "" H 4950 7150 50 0001 C CNN F 3 "" H 4950 7150 50 0001 C CNN 1 4950 7150 0 1 1 0 $EndComp Text Notes 3750 6300 0 60 ~ 0 FTR-B4CA 4,5V Text Notes 2450 7450 0 60 ~ 0 FTR-B4CA 4,5V $Comp L headphone-amp-rescue:OPA2134-RESCUE-headphone-amp U3 U 1 1 5935FD14 P 6750 750 F 0 "U3" H 6850 800 60 0000 C CNN F 1 "OPA2134" H 7250 800 60 0000 C CNN F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 6800 600 60 0001 C CNN F 3 "" H 6800 600 60 0001 C CNN 1 6750 750 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:L_Small L5 U 1 1 59360759 P 6250 850 F 0 "L5" V 6200 900 50 0000 L CNN F 1 "10u" V 6200 700 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 6250 850 50 0001 C CNN F 3 "" H 6250 850 50 0001 C CNN F 4 "DLV-121-M2.0" V 6250 850 60 0001 C CNN "No." 1 6250 850 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:L_Small L7 U 1 1 59360894 P 7650 850 F 0 "L7" V 7600 900 50 0000 L CNN F 1 "10u" V 7600 700 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 7650 850 50 0001 C CNN F 3 "" H 7650 850 50 0001 C CNN F 4 "DLV-121-M2.0" V 7650 850 60 0001 C CNN "No." 1 7650 850 0 -1 -1 0 $EndComp $Comp L power:+12V #PWR031 U 1 1 593617B8 P 6050 850 F 0 "#PWR031" H 6050 700 50 0001 C CNN F 1 "+12V" H 6050 990 50 0000 C CNN F 2 "" H 6050 850 50 0001 C CNN F 3 "" H 6050 850 50 0001 C CNN 1 6050 850 1 0 0 -1 $EndComp $Comp L power:-12V #PWR051 U 1 1 59361859 P 7850 850 F 0 "#PWR051" H 7850 950 50 0001 C CNN F 1 "-12V" H 7850 1000 50 0000 C CNN F 2 "" H 7850 850 50 0001 C CNN F 3 "" H 7850 850 50 0001 C CNN 1 7850 850 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:C C27 U 1 1 59361C5D P 6400 1100 F 0 "C27" H 6425 1200 50 0000 L CNN F 1 "100n" H 6425 1000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6438 950 50 0001 C CNN F 3 "" H 6400 1100 50 0001 C CNN 1 6400 1100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C34 U 1 1 59361D2F P 7500 1100 F 0 "C34" H 7525 1200 50 0000 L CNN F 1 "100n" H 7525 1000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 7538 950 50 0001 C CNN F 3 "" H 7500 1100 50 0001 C CNN 1 7500 1100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C28 U 1 1 59361F8D P 6550 1450 F 0 "C28" H 6575 1550 50 0000 L CNN F 1 "1u" H 6575 1350 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6588 1300 50 0001 C CNN F 3 "" H 6550 1450 50 0001 C CNN 1 6550 1450 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:CP C33 U 1 1 593620C9 P 7350 1450 F 0 "C33" H 7375 1550 50 0000 L CNN F 1 "1u" H 7375 1350 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 7388 1300 50 0001 C CNN F 3 "" H 7350 1450 50 0001 C CNN 1 7350 1450 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR032 U 1 1 59362E58 P 6400 1700 F 0 "#PWR032" H 6400 1500 50 0001 C CNN F 1 "GNDPWR" H 6400 1550 50 0000 C CNN F 2 "" H 6400 1650 50 0001 C CNN F 3 "" H 6400 1650 50 0001 C CNN 1 6400 1700 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR033 U 1 1 59362F71 P 6550 1700 F 0 "#PWR033" H 6550 1500 50 0001 C CNN F 1 "GNDPWR" H 6550 1450 50 0000 C CNN F 2 "" H 6550 1650 50 0001 C CNN F 3 "" H 6550 1650 50 0001 C CNN 1 6550 1700 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR034 U 1 1 593634C8 P 7350 1700 F 0 "#PWR034" H 7350 1500 50 0001 C CNN F 1 "GNDPWR" H 7350 1550 50 0000 C CNN F 2 "" H 7350 1650 50 0001 C CNN F 3 "" H 7350 1650 50 0001 C CNN 1 7350 1700 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR035 U 1 1 593634CE P 7500 1700 F 0 "#PWR035" H 7500 1500 50 0001 C CNN F 1 "GNDPWR" H 7500 1450 50 0000 C CNN F 2 "" H 7500 1650 50 0001 C CNN F 3 "" H 7500 1650 50 0001 C CNN 1 7500 1700 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:OPA2134-RESCUE-headphone-amp U3 U 3 1 59363D51 P 4850 5400 F 0 "U3" H 4950 5450 60 0000 C CNN F 1 "OPA2134" H 5250 5350 60 0000 C CNN F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 4900 5250 60 0001 C CNN F 3 "" H 4900 5250 60 0001 C CNN 3 4850 5400 1 0 0 -1 $EndComp $Comp L power:Earth #PWR0101 U 1 1 5936B546 P 2900 7300 F 0 "#PWR0101" H 2900 7050 50 0001 C CNN F 1 "Earth" H 2900 7150 50 0001 C CNN F 2 "" H 2900 7300 50 0001 C CNN F 3 "" H 2900 7300 50 0001 C CNN 1 2900 7300 1 0 0 -1 $EndComp $Comp L power:Earth #PWR037 U 1 1 5936B739 P 4050 7300 F 0 "#PWR037" H 4050 7050 50 0001 C CNN F 1 "Earth" H 4050 7150 50 0001 C CNN F 2 "" H 4050 7300 50 0001 C CNN F 3 "" H 4050 7300 50 0001 C CNN 1 4050 7300 1 0 0 -1 $EndComp $Comp L shimatta_ti:TPA6120 U4 U 1 1 5936C2F8 P 7450 3200 F 0 "U4" H 7500 3250 60 0000 C CNN F 1 "TPA6120" H 7800 3250 60 0000 C CNN F 2 "smd:SOIC-20W_ThermalPad" H 7450 3200 60 0001 C CNN F 3 "" H 7450 3200 60 0001 C CNN 1 7450 3200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:L_Small L6 U 1 1 5936CC12 P 6800 3350 F 0 "L6" V 6750 3400 50 0000 L CNN F 1 "1u" V 6750 3200 50 0000 L CNN F 2 "Resistors_SMD:R_1210_HandSoldering" H 6800 3350 50 0001 C CNN F 3 "" H 6800 3350 50 0001 C CNN F 4 "DLV-121-M2.0" V 6800 3350 60 0001 C CNN "No." 1 6800 3350 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:L_Small L8 U 1 1 5936CF7D P 8850 3350 F 0 "L8" V 8800 3400 50 0000 L CNN F 1 "1u" V 8800 3200 50 0000 L CNN F 2 "Resistors_SMD:R_1210_HandSoldering" H 8850 3350 50 0001 C CNN F 3 "" H 8850 3350 50 0001 C CNN F 4 "DLV-121-M2.0" V 8850 3350 60 0001 C CNN "No." 1 8850 3350 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:CP C31 U 1 1 5936D506 P 7000 3100 F 0 "C31" H 7025 3200 50 0000 L CNN F 1 "22u" H 7025 3000 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D5_L11_P2.5" H 7038 2950 50 0001 C CNN F 3 "" H 7000 3100 50 0001 C CNN 1 7000 3100 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:CP C36 U 1 1 5936E4FB P 8650 3100 F 0 "C36" H 8675 3200 50 0000 L CNN F 1 "22u" H 8675 3000 50 0000 L CNN F 2 "Capacitors_THT:C_Radial_D5_L11_P2.5" H 8688 2950 50 0001 C CNN F 3 "" H 8650 3100 50 0001 C CNN 1 8650 3100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C32 U 1 1 5936ED37 P 7200 3100 F 0 "C32" H 7225 3200 50 0000 L CNN F 1 "100n" H 7225 3000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 7238 2950 50 0001 C CNN F 3 "" H 7200 3100 50 0001 C CNN 1 7200 3100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C35 U 1 1 5936EFE5 P 8450 3100 F 0 "C35" H 8475 3200 50 0000 L CNN F 1 "100n" H 8475 3000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8488 2950 50 0001 C CNN F 3 "" H 8450 3100 50 0001 C CNN 1 8450 3100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR038 U 1 1 59370561 P 7850 2950 F 0 "#PWR038" H 7850 2750 50 0001 C CNN F 1 "GNDPWR" H 7850 2800 50 0000 C CNN F 2 "" H 7850 2900 50 0001 C CNN F 3 "" H 7850 2900 50 0001 C CNN 1 7850 2950 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R11 U 1 1 5937135E P 6300 3600 F 0 "R11" V 6380 3600 50 0000 C CNN F 1 "50" V 6300 3600 50 0000 C CNN F 2 "Resistors_SMD:R_1206_HandSoldering" V 6230 3600 50 0001 C CNN F 3 "" H 6300 3600 50 0001 C CNN 1 6300 3600 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:R R12 U 1 1 593721CE P 6300 4000 F 0 "R12" V 6380 4000 50 0000 C CNN F 1 "50" V 6300 4000 50 0000 C CNN F 2 "Resistors_SMD:R_1206_HandSoldering" V 6230 4000 50 0001 C CNN F 3 "" H 6300 4000 50 0001 C CNN 1 6300 4000 0 1 1 0 $EndComp $Comp L power:+12V #PWR039 U 1 1 5937422B P 6600 3300 F 0 "#PWR039" H 6600 3150 50 0001 C CNN F 1 "+12V" H 6600 3440 50 0000 C CNN F 2 "" H 6600 3300 50 0001 C CNN F 3 "" H 6600 3300 50 0001 C CNN 1 6600 3300 1 0 0 -1 $EndComp $Comp L power:-12V #PWR056 U 1 1 59374872 P 9050 3400 F 0 "#PWR056" H 9050 3500 50 0001 C CNN F 1 "-12V" H 9050 3550 50 0000 C CNN F 2 "" H 9050 3400 50 0001 C CNN F 3 "" H 9050 3400 50 0001 C CNN 1 9050 3400 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:JACK_TRS_6PINS J4 U 1 1 593770B0 P 9950 3850 F 0 "J4" H 9950 4250 50 0000 C CNN F 1 "JACK_TRS_6PINS" H 9900 3550 50 0000 C CNN F 2 "tht:AMPHENOL-ACJS-HHDR" H 10050 3700 50 0001 C CNN F 3 "" H 10050 3700 50 0001 C CNN 1 9950 3850 -1 0 0 1 $EndComp $Comp L headphone-amp-rescue:R R17 U 1 1 59377722 P 9050 3650 F 0 "R17" V 9130 3650 50 0000 C CNN F 1 "5" V 9050 3650 50 0000 C CNN F 2 "Resistors_SMD:R_1206_HandSoldering" V 8980 3650 50 0001 C CNN F 3 "" H 9050 3650 50 0001 C CNN 1 9050 3650 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:R R18 U 1 1 59377880 P 9050 3850 F 0 "R18" V 9130 3850 50 0000 C CNN F 1 "5" V 9050 3850 50 0000 C CNN F 2 "Resistors_SMD:R_1206_HandSoldering" V 8980 3850 50 0001 C CNN F 3 "" H 9050 3850 50 0001 C CNN 1 9050 3850 0 1 1 0 $EndComp NoConn ~ 9550 3750 NoConn ~ 9550 3950 NoConn ~ 9550 4150 $Comp L headphone-amp-rescue:GNDPWR #PWR040 U 1 1 59378761 P 9200 4850 F 0 "#PWR040" H 9200 4650 50 0001 C CNN F 1 "GNDPWR" H 9200 4700 50 0000 C CNN F 2 "" H 9200 4800 50 0001 C CNN F 3 "" H 9200 4800 50 0001 C CNN 1 9200 4850 1 0 0 -1 $EndComp $Comp L power:+5V #PWR041 U 1 1 5935DF04 P 2100 6850 F 0 "#PWR041" H 2100 6700 50 0001 C CNN F 1 "+5V" H 2100 6990 50 0000 C CNN F 2 "" H 2100 6850 50 0001 C CNN F 3 "" H 2100 6850 50 0001 C CNN 1 2100 6850 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:D_Schottky D1 U 1 1 5935E5FB P 3500 6850 F 0 "D1" H 3500 6950 50 0000 C CNN F 1 "SK15-DIO" H 3500 6750 50 0000 C CNN F 2 "Diodes_SMD:SOD-123" H 3500 6850 50 0001 C CNN F 3 "" H 3500 6850 50 0001 C CNN 1 3500 6850 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:OPA2134-RESCUE-headphone-amp U3 U 2 1 59363C3C P 4850 4550 F 0 "U3" H 4950 4600 60 0000 C CNN F 1 "OPA2134" H 5250 4500 60 0000 C CNN F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 4900 4400 60 0001 C CNN F 3 "" H 4900 4400 60 0001 C CNN 2 4850 4550 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:Dual_Pot_ALPS RV1 U 1 1 5935E896 P 4000 5400 F 0 "RV1" H 4350 5200 50 0000 C CNN F 1 "ALPS 50k" H 4200 5100 50 0000 C CNN F 2 "tht:ALPS-RK09L12B0" H 4250 5325 50 0001 C CNN F 3 "" H 4250 5325 50 0001 C CNN 1 4000 5400 0 1 -1 0 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR042 U 1 1 59373BBA P 3900 5950 F 0 "#PWR042" H 3900 5750 50 0001 C CNN F 1 "GNDPWR" H 3900 5800 50 0000 C CNN F 2 "" H 3900 5900 50 0001 C CNN F 3 "" H 3900 5900 50 0001 C CNN 1 3900 5950 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR043 U 1 1 59373D7B P 3750 5950 F 0 "#PWR043" H 3750 5750 50 0001 C CNN F 1 "GNDPWR" H 3750 5800 50 0000 C CNN F 2 "" H 3750 5900 50 0001 C CNN F 3 "" H 3750 5900 50 0001 C CNN 1 3750 5950 1 0 0 -1 $EndComp Wire Wire Line 850 1600 850 1750 Wire Wire Line 950 1600 950 1750 Wire Wire Line 1450 1300 1250 1300 Wire Wire Line 1250 1200 1450 1200 Wire Notes Line 650 1700 650 1950 Wire Notes Line 650 1950 1150 1950 Wire Notes Line 1150 1950 1150 1700 Wire Notes Line 1150 1700 650 1700 Wire Wire Line 3600 1050 3800 1050 Wire Wire Line 1250 1000 1500 1000 Wire Wire Line 2150 1050 2150 1000 Connection ~ 2150 1000 Wire Wire Line 2350 1050 2350 1000 Connection ~ 2350 1000 Wire Wire Line 1700 850 1700 1000 Connection ~ 1700 1000 Wire Wire Line 1700 1350 1700 1750 Wire Wire Line 2350 1750 2350 1350 Wire Wire Line 2150 1350 2150 1750 Wire Wire Line 3600 950 3600 650 Wire Wire Line 3600 1150 3600 1450 Wire Wire Line 3800 700 3800 650 Connection ~ 3800 650 Wire Wire Line 3800 1000 3800 1050 Connection ~ 3800 1050 Wire Wire Line 3800 1400 3800 1450 Connection ~ 3800 1450 Wire Wire Line 4050 1000 4050 1050 Connection ~ 4050 1050 Wire Wire Line 4050 650 4050 700 Connection ~ 4050 650 Wire Wire Line 4050 1450 4050 1400 Connection ~ 4050 1450 Wire Wire Line 3600 1450 3800 1450 Wire Wire Line 3600 650 3800 650 Wire Wire Line 4750 650 5050 650 Wire Wire Line 4800 1450 5050 1450 Wire Wire Line 5050 1000 5050 1050 Connection ~ 5050 1050 Wire Wire Line 5050 1450 5050 1400 Wire Wire Line 5350 1450 5350 1400 Connection ~ 5050 1450 Wire Wire Line 5350 1000 5350 1050 Connection ~ 5350 1050 Wire Wire Line 5350 650 5350 700 Wire Wire Line 5050 700 5050 650 Connection ~ 5050 650 Wire Wire Line 2500 1100 2500 1750 Connection ~ 5200 1450 Connection ~ 5200 650 Wire Wire Line 2050 2000 2600 2000 Wire Wire Line 2600 2000 2600 2250 Wire Wire Line 2300 2250 2600 2250 Wire Wire Line 2300 2250 2300 2600 Connection ~ 2600 2250 Wire Wire Line 2950 2250 3000 2250 Wire Wire Line 3350 2250 3350 2600 Wire Wire Line 2950 2000 3000 2000 Wire Wire Line 3000 2000 3000 2250 Connection ~ 3000 2250 Connection ~ 2600 2000 Connection ~ 3000 2000 Wire Wire Line 2050 2350 2050 2300 Wire Wire Line 3550 2350 3550 2300 Wire Wire Line 3600 3300 3350 3300 Wire Wire Line 3600 2750 3600 2800 Wire Wire Line 3600 2800 3350 2800 Wire Wire Line 3350 2900 3600 2900 Connection ~ 3600 2900 Wire Wire Line 2050 3200 2200 3200 Connection ~ 3600 2800 Wire Wire Line 3350 3400 4150 3400 Wire Wire Line 4450 3400 4450 3500 Wire Wire Line 3350 3500 4450 3500 Connection ~ 4450 3500 Wire Wire Line 3350 3600 4250 3600 Wire Wire Line 4250 4150 4250 3900 Wire Wire Line 3850 3800 3350 3800 Wire Wire Line 3850 4100 3850 4150 Wire Wire Line 2300 3800 1950 3800 Wire Wire Line 1950 4150 1950 4100 Wire Wire Line 1750 3700 2300 3700 Wire Wire Line 1750 3100 1750 3600 Wire Wire Line 3350 3700 4050 3700 Wire Wire Line 4050 3700 4050 4150 Wire Wire Line 2300 3600 1750 3600 Connection ~ 1750 3700 Wire Wire Line 1500 1000 1500 2100 Connection ~ 1500 1000 Wire Wire Line 1000 2400 1500 2400 Wire Wire Line 1500 2300 1500 2400 Wire Wire Line 1500 3500 2300 3500 Wire Wire Line 1500 3850 1500 4150 Connection ~ 1500 3500 Connection ~ 1500 2400 Connection ~ 1750 3600 Wire Wire Line 1750 3100 1800 3100 Connection ~ 2050 3100 Wire Wire Line 2200 2800 2200 2900 Wire Wire Line 1800 2800 2050 2800 Connection ~ 2200 3200 Wire Wire Line 2200 2900 2300 2900 Connection ~ 2200 2900 Wire Wire Line 1900 3400 2300 3400 Wire Wire Line 2300 3300 2200 3300 Wire Wire Line 1600 3300 1900 3300 Wire Wire Line 1050 3400 1350 3400 Wire Wire Line 1350 2900 1350 2950 Wire Wire Line 1350 3250 1350 3400 Connection ~ 1350 3400 Wire Wire Line 3350 3900 3550 3900 Wire Wire Line 3550 3900 3550 4150 Wire Wire Line 3550 4550 3550 4600 Wire Wire Line 3550 4150 3500 4150 Connection ~ 3550 4150 Wire Wire Line 3200 4150 3150 4150 Wire Wire Line 2100 3900 2100 4150 Wire Wire Line 2100 3900 2300 3900 Connection ~ 2100 4150 Wire Wire Line 2400 4150 2450 4150 Wire Wire Line 2750 4150 2800 4150 Wire Wire Line 2800 4150 2800 4250 Connection ~ 2800 4150 Wire Wire Line 2100 4550 2100 4650 Wire Wire Line 1000 2700 1000 2750 Wire Wire Line 2450 5800 2800 5800 Wire Wire Line 2450 6150 2800 6150 Wire Wire Line 1750 5900 1850 5900 Wire Wire Line 2200 5900 2250 5900 Wire Wire Line 2200 6250 2250 6250 Wire Wire Line 1450 6250 1850 6250 Wire Wire Line 1350 5850 1600 5850 Wire Wire Line 5600 6500 5700 6500 Wire Wire Line 4750 6450 5050 6450 Wire Wire Line 4950 6550 5050 6550 Wire Wire Line 5750 7100 5650 7100 Wire Wire Line 4750 7050 5100 7050 Wire Wire Line 4950 7150 5100 7150 Wire Notes Line 3700 6200 6100 6200 Wire Notes Line 6100 6200 6100 7500 Wire Notes Line 6100 7500 3700 7500 Wire Notes Line 3700 7500 3700 6200 Wire Notes Line 2400 5500 2400 7500 Wire Notes Line 2400 7500 3600 7500 Wire Notes Line 3600 7500 3600 5500 Wire Notes Line 3600 5500 2400 5500 Wire Wire Line 6050 850 6150 850 Wire Wire Line 6350 850 6400 850 Wire Wire Line 7350 850 7500 850 Wire Wire Line 7750 850 7850 850 Wire Wire Line 6400 850 6400 950 Connection ~ 6400 850 Wire Wire Line 6550 850 6550 1300 Connection ~ 6550 850 Connection ~ 7350 850 Connection ~ 7500 850 Wire Wire Line 7500 950 7500 850 Wire Wire Line 7500 1250 7500 1700 Wire Wire Line 7350 1600 7350 1700 Wire Wire Line 6550 1600 6550 1700 Wire Wire Line 6400 1250 6400 1700 Wire Wire Line 7350 1300 7350 850 Wire Wire Line 5750 4850 5650 4850 Wire Wire Line 3650 6200 3350 6200 Wire Wire Line 3550 5850 3350 5850 Wire Wire Line 5650 5700 6000 5700 Wire Wire Line 3550 4950 3550 5200 Wire Wire Line 3550 4950 3900 4950 Wire Wire Line 8400 3350 8450 3350 Connection ~ 8400 3350 Wire Wire Line 8650 3250 8650 3350 Connection ~ 8650 3350 Wire Wire Line 6900 3350 7000 3350 Wire Wire Line 7250 3300 7250 3350 Connection ~ 7250 3350 Wire Wire Line 7200 3350 7200 3250 Connection ~ 7200 3350 Wire Wire Line 7000 3350 7000 3250 Connection ~ 7000 3350 Wire Wire Line 8400 3300 8400 3350 Wire Wire Line 8450 3350 8450 3250 Connection ~ 8450 3350 Wire Wire Line 7000 2950 7000 2900 Wire Wire Line 7000 2900 7200 2900 Wire Wire Line 7200 2900 7200 2950 Wire Wire Line 8650 2900 8650 2950 Connection ~ 7200 2900 Wire Wire Line 8450 2950 8450 2900 Connection ~ 8450 2900 Wire Wire Line 7850 2900 7850 2950 Connection ~ 7850 2900 Wire Wire Line 6150 3600 5750 3600 Wire Wire Line 6000 4000 6150 4000 Wire Wire Line 6450 4000 6950 4000 Wire Wire Line 8400 3650 8550 3650 Wire Wire Line 8550 3650 8550 4600 Wire Wire Line 8950 3350 9050 3350 Wire Wire Line 9050 3350 9050 3400 Wire Wire Line 6600 3300 6600 3350 Wire Wire Line 6600 3350 6700 3350 Wire Wire Line 8400 4050 8450 4050 Wire Wire Line 8450 3850 8450 4050 Connection ~ 8550 3650 Wire Wire Line 9200 3650 9350 3650 Wire Wire Line 9350 3650 9350 3850 Wire Wire Line 9350 3850 9550 3850 Wire Wire Line 9550 3650 9450 3650 Wire Wire Line 9450 3650 9450 3750 Wire Wire Line 9450 3750 9250 3750 Wire Wire Line 9250 3750 9250 3850 Wire Wire Line 9250 3850 9200 3850 Wire Wire Line 8900 3850 8450 3850 Connection ~ 8450 4050 Wire Wire Line 9200 4850 9200 4050 Wire Wire Line 9200 4050 9550 4050 Wire Wire Line 1900 6550 3000 6550 Wire Wire Line 1900 6550 1900 6750 Connection ~ 3000 6550 Wire Wire Line 3500 6550 3500 6700 Connection ~ 3500 6550 Wire Wire Line 3900 5450 3650 5450 Wire Wire Line 3650 5450 3650 5550 Wire Wire Line 5750 3600 5750 4850 Wire Wire Line 6000 5700 6000 4000 Wire Wire Line 3900 5350 3750 5350 Wire Wire Line 3750 5350 3750 5950 Wire Wire Line 3900 5850 3900 5900 Wire Wire Line 4650 5000 4550 5000 Wire Wire Line 4550 5000 4550 5250 Wire Wire Line 4650 5850 4650 6100 Connection ~ 5650 5700 Connection ~ 5650 4850 Wire Wire Line 6450 3600 6600 3600 Wire Wire Line 7250 3700 7100 3700 Wire Wire Line 7100 3700 7100 4600 Wire Wire Line 7250 4100 7200 4100 Wire Wire Line 7200 4100 7200 4450 $Comp L headphone-amp-rescue:C C30 U 1 1 593773D6 P 6950 4200 F 0 "C30" H 6975 4300 50 0000 L CNN F 1 "10n" H 6975 4100 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6988 4050 50 0001 C CNN F 3 "" H 6950 4200 50 0001 C CNN 1 6950 4200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C29 U 1 1 593775B9 P 6600 3800 F 0 "C29" H 6625 3900 50 0000 L CNN F 1 "10n" H 6625 3700 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6638 3650 50 0001 C CNN F 3 "" H 6600 3800 50 0001 C CNN 1 6600 3800 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR044 U 1 1 59377E5C P 6950 4850 F 0 "#PWR044" H 6950 4650 50 0001 C CNN F 1 "GNDPWR" H 6950 4700 50 0000 C CNN F 2 "" H 6950 4800 50 0001 C CNN F 3 "" H 6950 4800 50 0001 C CNN 1 6950 4850 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR045 U 1 1 59377FD4 P 6600 4850 F 0 "#PWR045" H 6600 4650 50 0001 C CNN F 1 "GNDPWR" H 6600 4700 50 0000 C CNN F 2 "" H 6600 4800 50 0001 C CNN F 3 "" H 6600 4800 50 0001 C CNN 1 6600 4850 1 0 0 -1 $EndComp Wire Wire Line 6600 4850 6600 3950 Wire Wire Line 6950 4850 6950 4350 Wire Wire Line 6950 4050 6950 4000 Connection ~ 6950 4000 Wire Wire Line 6600 3650 6600 3600 Connection ~ 6600 3600 Text Notes 850 2250 0 60 ~ 0 NLV08JT470 Text Notes 1900 750 0 60 ~ 0 NLV08KTC100 $Comp L headphone-amp-rescue:R R9 U 1 1 59389142 P 5650 5900 F 0 "R9" V 5730 5900 50 0000 C CNN F 1 "20k" V 5650 5900 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 5580 5900 50 0001 C CNN F 3 "" H 5650 5900 50 0001 C CNN 1 5650 5900 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R10 U 1 1 593893F1 P 5850 6100 F 0 "R10" V 5930 6100 50 0000 C CNN F 1 "10k" V 5850 6100 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 5780 6100 50 0001 C CNN F 3 "" H 5850 6100 50 0001 C CNN 1 5850 6100 0 1 1 0 $EndComp Wire Wire Line 4650 6100 5650 6100 Wire Wire Line 5650 6100 5650 6050 Connection ~ 5650 6100 Wire Wire Line 5650 5700 5650 5750 $Comp L headphone-amp-rescue:R R7 U 1 1 5938A1C1 P 5650 5050 F 0 "R7" V 5730 5050 50 0000 C CNN F 1 "20k" V 5650 5050 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 5580 5050 50 0001 C CNN F 3 "" H 5650 5050 50 0001 C CNN 1 5650 5050 1 0 0 -1 $EndComp Wire Wire Line 5650 4850 5650 4900 Wire Wire Line 5650 5200 5650 5250 $Comp L headphone-amp-rescue:R R8 U 1 1 5938AA58 P 5650 5450 F 0 "R8" V 5730 5450 50 0000 C CNN F 1 "10k" V 5650 5450 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 5580 5450 50 0001 C CNN F 3 "" H 5650 5450 50 0001 C CNN 1 5650 5450 1 0 0 -1 $EndComp Wire Wire Line 4550 5250 5650 5250 Connection ~ 5650 5250 $Comp L headphone-amp-rescue:R R16 U 1 1 5938BE81 P 8150 4450 F 0 "R16" V 8230 4450 50 0000 C CNN F 1 "5k" V 8150 4450 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 8080 4450 50 0001 C CNN F 3 "" H 8150 4450 50 0001 C CNN 1 8150 4450 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:R R15 U 1 1 5938C14D P 8000 4600 F 0 "R15" V 8080 4600 50 0000 C CNN F 1 "5k" V 8000 4600 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 7930 4600 50 0001 C CNN F 3 "" H 8000 4600 50 0001 C CNN 1 8000 4600 0 -1 -1 0 $EndComp Wire Wire Line 8550 4600 8150 4600 Wire Wire Line 8450 4450 8300 4450 Wire Wire Line 7200 4450 7400 4450 Wire Wire Line 7100 4600 7550 4600 $Comp L headphone-amp-rescue:R R14 U 1 1 5938D7A2 P 7550 4800 F 0 "R14" V 7630 4800 50 0000 C CNN F 1 "5k" V 7550 4800 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 7480 4800 50 0001 C CNN F 3 "" H 7550 4800 50 0001 C CNN 1 7550 4800 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R13 U 1 1 5938E18E P 7400 4850 F 0 "R13" V 7480 4850 50 0000 C CNN F 1 "5k" V 7400 4850 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 7330 4850 50 0001 C CNN F 3 "" H 7400 4850 50 0001 C CNN 1 7400 4850 -1 0 0 1 $EndComp Wire Wire Line 7400 4450 7400 4700 Connection ~ 7400 4450 Wire Wire Line 7550 4650 7550 4600 Connection ~ 7550 4600 Text Notes 9650 3400 0 60 ~ 0 ACJS-HHDR $Comp L headphone-amp-rescue:TEST TP3 U 1 1 597624B7 P 3750 3200 F 0 "TP3" H 3850 3500 50 0000 C BNN F 1 "TEST" H 3850 3450 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3750 3200 50 0001 C CNN F 3 "" H 3750 3200 50 0001 C CNN 1 3750 3200 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:TEST TP2 U 1 1 59762630 P 3750 3100 F 0 "TP2" H 3750 3400 50 0000 C BNN F 1 "TEST" H 3750 3350 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3750 3100 50 0001 C CNN F 3 "" H 3750 3100 50 0001 C CNN 1 3750 3100 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:TEST TP1 U 1 1 5976273D P 3750 3000 F 0 "TP1" H 3650 3300 50 0000 C BNN F 1 "TEST" H 3650 3250 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3750 3000 50 0001 C CNN F 3 "" H 3750 3000 50 0001 C CNN 1 3750 3000 0 1 1 0 $EndComp Wire Wire Line 3350 3200 3750 3200 Wire Wire Line 3750 3100 3350 3100 Wire Wire Line 3350 3000 3750 3000 $Comp L Connector:USB_OTG J1 U 1 1 5976A1B4 P 950 1200 F 0 "J1" H 750 1650 50 0000 L CNN F 1 "USB_OTG" H 750 1550 50 0000 L CNN F 2 "Connectors:USB_Mini-B" H 1100 1150 50 0001 C CNN F 3 "" H 1100 1150 50 0001 C CNN 1 950 1200 1 0 0 -1 $EndComp NoConn ~ 1250 1400 $Comp L w_connectors:Jack_3.5mm_3pin J2 U 1 1 59763E9A P 1200 6000 F 0 "J2" H 1200 6250 60 0000 C CNN F 1 "Jack_3.5mm_3pin" H 1200 5750 60 0000 C CNN F 2 "tht:Lumberg-1503" H 1200 6000 60 0001 C CNN F 3 "" H 1200 6000 60 0000 C CNN 1 1200 6000 -1 0 0 -1 $EndComp Wire Wire Line 1450 6150 1450 6250 Wire Wire Line 1350 6150 1450 6150 Wire Wire Line 1350 5950 1750 5950 Wire Wire Line 1750 5950 1750 5900 Wire Wire Line 7850 4350 7750 4350 Wire Wire Line 7750 4350 7750 5000 $Comp L headphone-amp-rescue:CP C10 U 1 1 593055F7 P 2150 1200 F 0 "C10" H 2175 1300 50 0000 L CNN F 1 "100u" H 2175 1100 50 0000 L CNN F 2 "Capacitors_Tantalum_SMD:Tantalum_Case-D_EIA-7343-31_Hand" H 2188 1050 50 0001 C CNN F 3 "" H 2150 1200 50 0001 C CNN 1 2150 1200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:TEST TP4 U 1 1 597A3040 P 3750 2700 F 0 "TP4" H 3650 3000 50 0000 C BNN F 1 "TEST" H 3650 2950 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 3750 2700 50 0001 C CNN F 3 "" H 3750 2700 50 0001 C CNN 1 3750 2700 0 1 1 0 $EndComp Wire Wire Line 3350 2700 3400 2700 Wire Wire Line 3400 2700 3400 2550 Wire Wire Line 3400 2550 3750 2550 Wire Wire Line 3750 2550 3750 2700 $Comp L headphone-amp-rescue:Q_NPN_CBE Q1 U 1 1 597BB5E7 P 4550 750 F 0 "Q1" V 4800 900 50 0000 L CNN F 1 "Q_NPN_CBE" V 4800 350 50 0000 L CNN F 2 "TO_SOT_Packages_THT:TO-92_Molded_Wide_Oval" H 4750 850 50 0001 C CNN F 3 "" H 4550 750 50 0001 C CNN 1 4550 750 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:R R19 U 1 1 597BC448 P 4300 800 F 0 "R19" V 4380 800 50 0000 C CNN F 1 "1k" V 4300 800 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 4230 800 50 0001 C CNN F 3 "" H 4300 800 50 0001 C CNN 1 4300 800 1 0 0 -1 $EndComp Connection ~ 4300 650 Wire Wire Line 4300 950 4350 950 Wire Wire Line 4350 950 4350 2050 Connection ~ 4350 950 $Comp L headphone-amp-rescue:R R20 U 1 1 597BE8B7 P 4350 1800 F 0 "R20" V 4430 1800 50 0000 C CNN F 1 "1k" V 4350 1800 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 4280 1800 50 0001 C CNN F 3 "" H 4350 1800 50 0001 C CNN 1 4350 1800 0 1 1 0 $EndComp Wire Wire Line 4600 1750 4600 1800 Wire Wire Line 4500 1800 4600 1800 Connection ~ 4600 1800 Wire Wire Line 4200 1800 4200 1450 Connection ~ 4200 1450 $Comp L headphone-amp-rescue:C C37 U 1 1 597BF3DD P 4350 2200 F 0 "C37" H 4375 2300 50 0000 L CNN F 1 "1u" H 4375 2100 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4388 2050 50 0001 C CNN F 3 "" H 4350 2200 50 0001 C CNN 1 4350 2200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C38 U 1 1 597BF53A P 4600 2200 F 0 "C38" H 4625 2300 50 0000 L CNN F 1 "1u" H 4625 2100 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 4638 2050 50 0001 C CNN F 3 "" H 4600 2200 50 0001 C CNN 1 4600 2200 1 0 0 -1 $EndComp Wire Wire Line 4350 2350 4350 2400 Wire Wire Line 4600 2400 4600 2350 $Comp L headphone-amp-rescue:GNDPWR #PWR049 U 1 1 597BF9A7 P 4600 2400 F 0 "#PWR049" H 4600 2200 50 0001 C CNN F 1 "GNDPWR" H 4600 2270 50 0000 C CNN F 2 "" H 4600 2350 50 0001 C CNN F 3 "" H 4600 2350 50 0001 C CNN 1 4600 2400 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR050 U 1 1 597BFABA P 4350 2400 F 0 "#PWR050" H 4350 2200 50 0001 C CNN F 1 "GNDPWR" H 4350 2270 50 0000 C CNN F 2 "" H 4350 2350 50 0001 C CNN F 3 "" H 4350 2350 50 0001 C CNN 1 4350 2400 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C39 U 1 1 59919857 P 8750 1100 F 0 "C39" H 8775 1200 50 0000 L CNN F 1 "100n" H 8775 1000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8788 950 50 0001 C CNN F 3 "" H 8750 1100 50 0001 C CNN 1 8750 1100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C41 U 1 1 59919D29 P 9050 1100 F 0 "C41" H 9075 1200 50 0000 L CNN F 1 "100n" H 9075 1000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 9088 950 50 0001 C CNN F 3 "" H 9050 1100 50 0001 C CNN 1 9050 1100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C43 U 1 1 59919E53 P 9300 1100 F 0 "C43" H 9325 1200 50 0000 L CNN F 1 "100n" H 9325 1000 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 9338 950 50 0001 C CNN F 3 "" H 9300 1100 50 0001 C CNN 1 9300 1100 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C40 U 1 1 5991A29D P 8750 1500 F 0 "C40" H 8775 1600 50 0000 L CNN F 1 "100n" H 8775 1400 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8788 1350 50 0001 C CNN F 3 "" H 8750 1500 50 0001 C CNN 1 8750 1500 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C42 U 1 1 5991A2A3 P 9050 1500 F 0 "C42" H 9075 1600 50 0000 L CNN F 1 "100n" H 9075 1400 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 9088 1350 50 0001 C CNN F 3 "" H 9050 1500 50 0001 C CNN 1 9050 1500 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C44 U 1 1 5991A2A9 P 9300 1500 F 0 "C44" H 9325 1600 50 0000 L CNN F 1 "100n" H 9325 1400 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 9338 1350 50 0001 C CNN F 3 "" H 9300 1500 50 0001 C CNN 1 9300 1500 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:GNDPWR #PWR0102 U 1 1 5991A803 P 8350 1450 F 0 "#PWR0102" H 8350 1250 50 0001 C CNN F 1 "GNDPWR" H 8350 1320 50 0000 C CNN F 2 "" H 8350 1400 50 0001 C CNN F 3 "" H 8350 1400 50 0001 C CNN 1 8350 1450 1 0 0 -1 $EndComp Wire Wire Line 8350 1450 8350 1300 Wire Wire Line 8350 1300 8750 1300 Wire Wire Line 9300 1250 9300 1300 Connection ~ 9300 1300 Wire Wire Line 9050 1250 9050 1300 Wire Wire Line 8750 1250 8750 1300 Connection ~ 8750 1300 Connection ~ 9050 1300 Wire Wire Line 9300 900 9300 950 Wire Wire Line 8750 900 9050 900 Wire Wire Line 8750 900 8750 950 Wire Wire Line 9050 850 9050 900 Connection ~ 9050 900 Wire Wire Line 9050 1650 9050 1700 Wire Wire Line 8750 1700 9050 1700 Wire Wire Line 8750 1700 8750 1650 Wire Wire Line 9300 1700 9300 1650 Connection ~ 9050 1700 $Comp L power:-12V #PWR055 U 1 1 5991BCD6 P 9050 1750 F 0 "#PWR055" H 9050 1850 50 0001 C CNN F 1 "-12V" H 9050 1900 50 0000 C CNN F 2 "" H 9050 1750 50 0001 C CNN F 3 "" H 9050 1750 50 0001 C CNN 1 9050 1750 -1 0 0 1 $EndComp $Comp L power:+12V #PWR052 U 1 1 5991BFD6 P 9050 850 F 0 "#PWR052" H 9050 700 50 0001 C CNN F 1 "+12V" H 9050 990 50 0000 C CNN F 2 "" H 9050 850 50 0001 C CNN F 3 "" H 9050 850 50 0001 C CNN 1 9050 850 1 0 0 -1 $EndComp $Comp L power:Earth #PWR053 U 1 1 5991EA11 P 3500 7050 F 0 "#PWR053" H 3500 6800 50 0001 C CNN F 1 "Earth" H 3500 6900 50 0001 C CNN F 2 "" H 3500 7050 50 0001 C CNN F 3 "" H 3500 7050 50 0001 C CNN 1 3500 7050 1 0 0 -1 $EndComp Wire Wire Line 3500 7050 3500 7000 $Comp L headphone-amp-rescue:R R21 U 1 1 5991F1EB P 3200 7200 F 0 "R21" V 3280 7200 50 0000 C CNN F 1 "10" V 3200 7200 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 3130 7200 50 0001 C CNN F 3 "" H 3200 7200 50 0001 C CNN 1 3200 7200 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R22 U 1 1 5991F691 P 3800 7200 F 0 "R22" V 3880 7200 50 0000 C CNN F 1 "10" V 3800 7200 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 3730 7200 50 0001 C CNN F 3 "" H 3800 7200 50 0001 C CNN 1 3800 7200 1 0 0 -1 $EndComp Wire Wire Line 2900 7300 3050 7300 Wire Wire Line 3050 7300 3050 7350 Wire Wire Line 3050 7350 3200 7350 Wire Wire Line 3200 7050 3050 7050 Wire Wire Line 3050 7050 3050 7100 Wire Wire Line 3050 7100 3000 7100 Wire Wire Line 3800 7050 4000 7050 Wire Wire Line 4000 7050 4000 7100 Wire Wire Line 4000 7100 4050 7100 Wire Wire Line 4050 7300 3950 7300 Wire Wire Line 3950 7300 3950 7350 Wire Wire Line 3950 7350 3800 7350 $Comp L headphone-amp-rescue:POT RV2 U 1 1 59A4C01D P 4350 5250 F 0 "RV2" V 4175 5250 50 0000 C CNN F 1 "10k" V 4250 5250 50 0000 C CNN F 2 "Potentiometers:Potentiometer_Bourns_3296Y_3-8Zoll_Angular_ScrewUp" H 4350 5250 50 0001 C CNN F 3 "" H 4350 5250 50 0001 C CNN 1 4350 5250 1 0 0 -1 $EndComp Wire Wire Line 4500 5250 4500 5900 Wire Wire Line 4350 5400 4350 5650 Wire Wire Line 4350 5650 4400 5650 Wire Wire Line 4650 5650 4650 5550 Wire Wire Line 4350 5100 4350 4700 Wire Wire Line 4350 4700 4650 4700 Wire Wire Line 4500 5900 3900 5900 Connection ~ 3900 5900 $Comp L headphone-amp-rescue:R R23 U 1 1 59A4CCD3 P 4200 4700 F 0 "R23" V 4280 4700 50 0000 C CNN F 1 "330" V 4200 4700 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 4130 4700 50 0001 C CNN F 3 "" H 4200 4700 50 0001 C CNN 1 4200 4700 0 1 1 0 $EndComp Wire Wire Line 4100 5150 4100 4900 Wire Wire Line 4100 4900 4050 4900 Wire Wire Line 4050 4900 4050 4700 $Comp L headphone-amp-rescue:R R24 U 1 1 59A4D380 P 4250 5750 F 0 "R24" V 4330 5750 50 0000 C CNN F 1 "330" V 4250 5750 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 4180 5750 50 0001 C CNN F 3 "" H 4250 5750 50 0001 C CNN 1 4250 5750 0 1 1 0 $EndComp Wire Wire Line 4100 5650 4100 5750 Wire Wire Line 4400 5750 4400 5650 Connection ~ 4400 5650 $Comp L headphone-amp-rescue:TEST TP6 U 1 1 59B47D65 P 1900 6850 F 0 "TP6" H 1800 7150 50 0000 C BNN F 1 "TEST" H 1800 7100 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 1900 6850 50 0001 C CNN F 3 "" H 1900 6850 50 0001 C CNN 1 1900 6850 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:TEST TP5 U 1 1 59B48619 P 1900 6750 F 0 "TP5" H 2000 7100 50 0000 C BNN F 1 "TEST" H 2000 7050 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 1900 6750 50 0001 C CNN F 3 "" H 1900 6750 50 0001 C CNN 1 1900 6750 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:C C45 U 1 1 59D3ED93 P 2050 5700 F 0 "C45" H 2075 5800 50 0000 L CNN F 1 "1u" H 2075 5600 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2088 5550 50 0001 C CNN F 3 "" H 2050 5700 50 0001 C CNN 1 2050 5700 0 1 1 0 $EndComp Wire Wire Line 2200 5700 2250 5700 Wire Wire Line 2250 5700 2250 5900 Connection ~ 2250 5900 Wire Wire Line 1900 5700 1850 5700 Wire Wire Line 1850 5700 1850 5900 Connection ~ 1850 5900 $Comp L headphone-amp-rescue:C C46 U 1 1 59D3F786 P 2050 6450 F 0 "C46" H 2075 6550 50 0000 L CNN F 1 "1u" H 2075 6350 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2088 6300 50 0001 C CNN F 3 "" H 2050 6450 50 0001 C CNN 1 2050 6450 0 1 1 0 $EndComp Wire Wire Line 1900 6450 1850 6450 Wire Wire Line 1850 6450 1850 6250 Connection ~ 1850 6250 Wire Wire Line 2250 6250 2250 6450 Wire Wire Line 2250 6450 2200 6450 Connection ~ 2250 6250 $Comp L headphone-amp-rescue:C C48 U 1 1 59D41856 P 3350 4400 F 0 "C48" H 3375 4500 50 0000 L CNN F 1 "1u" H 3375 4300 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3388 4250 50 0001 C CNN F 3 "" H 3350 4400 50 0001 C CNN 1 3350 4400 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C47 U 1 1 59D41952 P 2300 4400 F 0 "C47" H 2325 4500 50 0000 L CNN F 1 "1u" H 2325 4300 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2338 4250 50 0001 C CNN F 3 "" H 2300 4400 50 0001 C CNN 1 2300 4400 1 0 0 -1 $EndComp Wire Wire Line 2100 4250 2300 4250 Wire Wire Line 2300 4550 2300 4650 Wire Wire Line 2300 4650 2100 4650 Connection ~ 2100 4650 Wire Wire Line 3350 4550 3350 4600 Wire Wire Line 3350 4600 3550 4600 Connection ~ 3550 4600 $Comp L headphone-amp-rescue:R R26 U 1 1 59D427C6 P 3350 5200 F 0 "R26" V 3143 5200 50 0000 C CNN F 1 "DNP" V 3234 5200 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 3280 5200 50 0001 C CNN F 3 "" H 3350 5200 50 0001 C CNN 1 3350 5200 0 1 1 0 $EndComp $Comp L headphone-amp-rescue:R R27 U 1 1 59D4423C P 3350 5550 F 0 "R27" V 3143 5550 50 0000 C CNN F 1 "DNP" V 3234 5550 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 3280 5550 50 0001 C CNN F 3 "" H 3350 5550 50 0001 C CNN 1 3350 5550 0 1 1 0 $EndComp Wire Wire Line 3500 5550 3650 5550 Connection ~ 3650 5550 Wire Wire Line 3550 5200 3500 5200 Connection ~ 3550 5200 Wire Wire Line 3150 5550 3200 5550 Wire Wire Line 3150 5200 3150 5250 Wire Wire Line 3150 5200 3200 5200 Wire Wire Line 3150 5250 3050 5250 Wire Wire Line 3050 5250 3050 5300 Connection ~ 3150 5250 $Comp L headphone-amp-rescue:GNDPWR #PWR054 U 1 1 59D44EC4 P 3050 5300 F 0 "#PWR054" H 3050 5100 50 0001 C CNN F 1 "GNDPWR" H 3050 5150 50 0000 C CNN F 2 "" H 3050 5250 50 0001 C CNN F 3 "" H 3050 5250 50 0001 C CNN 1 3050 5300 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:R R25 U 1 1 59D4727F P 2050 2650 F 0 "R25" V 2130 2650 50 0000 C CNN F 1 "1k5" V 2050 2650 50 0000 C CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 1980 2650 50 0001 C CNN F 3 "" H 2050 2650 50 0001 C CNN 1 2050 2650 1 0 0 -1 $EndComp Wire Wire Line 2050 2500 2200 2500 Wire Wire Line 2200 2500 2200 2750 Wire Wire Line 2200 2750 2300 2750 Wire Wire Line 2300 2750 2300 2800 $Comp L headphone-amp-rescue:Q_PNP_EBC Q2 U 1 1 59D4D009 P 4600 1550 F 0 "Q2" V 4928 1550 50 0000 C CNN F 1 "Q_PNP_EBC" V 4837 1550 50 0000 C CNN F 2 "TO_SOT_Packages_THT:TO-92_Molded_Wide_Oval" H 4800 1650 50 0001 C CNN F 3 "" H 4600 1550 50 0001 C CNN 1 4600 1550 0 -1 -1 0 $EndComp $Comp L headphone-amp-rescue:R R28 U 1 1 59D4DBF0 P 10450 1450 F 0 "R28" H 10520 1496 50 0000 L CNN F 1 "1k" H 10520 1405 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" V 10380 1450 50 0001 C CNN F 3 "" H 10450 1450 50 0001 C CNN 1 10450 1450 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:LED D2 U 1 1 59D4E851 P 10450 1800 F 0 "D2" V 10488 1683 50 0000 R CNN F 1 "LED" V 10397 1683 50 0000 R CNN F 2 "LEDs:LED_D3.0mm_Horizontal_O1.27mm_Z2.0mm" H 10450 1800 50 0001 C CNN F 3 "" H 10450 1800 50 0001 C CNN 1 10450 1800 0 -1 -1 0 $EndComp Wire Wire Line 10450 2000 10450 1950 Wire Wire Line 10450 1650 10450 1600 Wire Wire Line 10450 1300 10450 1250 $Comp L power:+5V #PWR057 U 1 1 59D4FE85 P 10450 1250 F 0 "#PWR057" H 10450 1100 50 0001 C CNN F 1 "+5V" H 10450 1390 50 0000 C CNN F 2 "" H 10450 1250 50 0001 C CNN F 3 "" H 10450 1250 50 0001 C CNN 1 10450 1250 1 0 0 -1 $EndComp Wire Wire Line 3350 4250 3350 4200 Wire Wire Line 3350 4200 3550 4200 Connection ~ 3550 4200 Connection ~ 2100 4250 Text Label 3450 2550 0 60 ~ 0 SSPND Wire Wire Line 1900 6850 2100 6850 $Comp L power:Earth #PWR0103 U 1 1 59D5D147 P 10450 2000 F 0 "#PWR0103" H 10450 1750 50 0001 C CNN F 1 "Earth" H 10450 1850 50 0001 C CNN F 2 "" H 10450 2000 50 0001 C CNN F 3 "" H 10450 2000 50 0001 C CNN 1 10450 2000 1 0 0 -1 $EndComp $Comp L headphone-amp-rescue:C C49 U 1 1 59D60C3A P 1800 2950 F 0 "C49" H 1825 3050 50 0000 L CNN F 1 "100n" H 1825 2850 50 0000 L CNN F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1838 2800 50 0001 C CNN F 3 "" H 1800 2950 50 0001 C CNN 1 1800 2950 -1 0 0 1 $EndComp Connection ~ 2050 2800 Connection ~ 1800 3100 Wire Wire Line 2150 1000 2350 1000 Wire Wire Line 2350 1000 2500 1000 Wire Wire Line 1700 1000 2150 1000 Wire Wire Line 1700 1000 1700 1050 Wire Wire Line 3800 650 4050 650 Wire Wire Line 3800 1050 4050 1050 Wire Wire Line 3800 1050 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