headphone-amp/headphone-amp.sch

EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:analog
LIBS:regulators
LIBS:relais
LIBS:relays
LIBS:ti
LIBS:potentiometer
LIBS:headphone-amp-cache
EELAYER 25 0
EELAYER END
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encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L USB_B J1
U 1 1 5930505F
P 950 1200
F 0 "J1" H 750 1650 50  0000 L CNN
F 1 "USB_B" H 750 1550 50  0000 L CNN
F 2 "Connectors:USB_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
$Comp
L 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 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 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 "" 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 +12V #PWR03
U 1 1 5930547F
P 4850 650
F 0 "#PWR03" H 4850 500 50  0001 C CNN
F 1 "+12V" H 4850 790 50  0000 C CNN
F 2 "" H 4850 650 50  0001 C CNN
F 3 "" H 4850 650 50  0001 C CNN
	1    4850 650 
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR31
U 1 1 59305497
P 4850 1450
F 0 "#PWR31" H 4850 1550 50  0001 C CNN
F 1 "-12V" H 4850 1600 50  0000 C CNN
F 2 "" H 4850 1450 50  0001 C CNN
F 3 "" H 4850 1450 50  0001 C CNN
	1    4850 1450
	-1   0    0    1   
$EndComp
$Comp
L L_Small L2
U 1 1 593054EF
P 2000 1000
F 0 "L2" H 2030 1040 50  0000 L CNN
F 1 "20u" H 2030 960 50  0000 L CNN
F 2 "" H 2000 1000 50  0001 C CNN
F 3 "" H 2000 1000 50  0001 C CNN
	1    2000 1000
	0    -1   -1   0   
$EndComp
$Comp
L 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_0805_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 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_SMD:c_elec_6.3x5.3" 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 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_0805_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 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 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 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 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_SMD:c_elec_4x5.8" 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 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_SMD:c_elec_4x5.8" 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 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_1206_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 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_1206_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 L_Small L4
U 1 1 59305E94
P 4400 1450
F 0 "L4" V 4350 1500 50  0000 L CNN
F 1 "120u" V 4350 1300 50  0000 L CNN
F 2 "" H 4400 1450 50  0001 C CNN
F 3 "" H 4400 1450 50  0001 C CNN
F 4 "DLV-121-M2.0" V 4400 1450 60  0001 C CNN "No."
	1    4400 1450
	0    -1   -1   0   
$EndComp
$Comp
L L_Small L3
U 1 1 593060EE
P 4400 650
F 0 "L3" V 4350 700 50  0000 L CNN
F 1 "120u" V 4350 500 50  0000 L CNN
F 2 "" H 4400 650 50  0001 C CNN
F 3 "" H 4400 650 50  0001 C CNN
F 4 "DLV-121-M2.0" V 4400 650 60  0001 C CNN "No."
	1    4400 650 
	0    -1   -1   0   
$EndComp
$Comp
L C C24
U 1 1 59306303
P 4700 1250
F 0 "C24" H 4725 1350 50  0000 L CNN
F 1 "100n" H 4725 1150 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206_HandSoldering" H 4738 1100 50  0001 C CNN
F 3 "" H 4700 1250 50  0001 C CNN
	1    4700 1250
	1    0    0    -1  
$EndComp
$Comp
L C C23
U 1 1 59306354
P 4700 850
F 0 "C23" H 4725 950 50  0000 L CNN
F 1 "100n" H 4725 750 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206_HandSoldering" H 4738 700 50  0001 C CNN
F 3 "" H 4700 850 50  0001 C CNN
	1    4700 850 
	1    0    0    -1  
$EndComp
$Comp
L CP C25
U 1 1 593064DB
P 5000 850
F 0 "C25" H 5025 950 50  0000 L CNN
F 1 "100u" H 5025 750 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_6.3x7.7" H 5038 700 50  0001 C CNN
F 3 "" H 5000 850 50  0001 C CNN
	1    5000 850 
	1    0    0    -1  
$EndComp
$Comp
L CP C26
U 1 1 59306550
P 5000 1250
F 0 "C26" H 5025 1350 50  0000 L CNN
F 1 "100u" H 5025 1150 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_6.3x7.7" H 5038 1100 50  0001 C CNN
F 3 "" H 5000 1250 50  0001 C CNN
	1    5000 1250
	1    0    0    -1  
$EndComp
$Comp
L 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 GNDPWR #PWR08
U 1 1 59307337
P 5500 1050
F 0 "#PWR08" H 5500 850 50  0001 C CNN
F 1 "GNDPWR" H 5500 920 50  0000 C CNN
F 2 "" H 5500 1000 50  0001 C CNN
F 3 "" H 5500 1000 50  0001 C CNN
	1    5500 1050
	1    0    0    -1  
$EndComp
$Comp
L Relais-2 K1
U 1 1 59346B99
P 2850 6550
F 0 "K1" H 2850 6600 60  0000 C CNN
F 1 "Relais-2" H 3250 6600 60  0000 C CNN
F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 2850 6550 60  0001 C CNN
F 3 "" H 2850 6550 60  0001 C CNN
	1    2850 6550
	1    0    0    -1  
$EndComp
$Comp
L 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 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 Relais-2 K2
U 1 1 5934743F
P 3900 6550
F 0 "K2" H 3900 6600 60  0000 C CNN
F 1 "Relais-2" H 4300 6600 60  0000 C CNN
F 2 "Relays_THT:Relay_DPDT_IM0(3,6,7)NS" H 3900 6550 60  0001 C CNN
F 3 "" H 3900 6550 60  0001 C CNN
	1    3900 6550
	1    0    0    -1  
$EndComp
$Comp
L 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 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 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 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:Q_49U3HMS" 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 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_0805_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 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_0805_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 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_0805_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 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 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
NoConn ~ 2300 2800
NoConn ~ 3350 2700
NoConn ~ 3350 3000
NoConn ~ 3350 3100
NoConn ~ 3350 3200
$Comp
L +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 +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 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_0805_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 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 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_0805_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 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 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_0805_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 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_0805_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 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 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 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 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 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 "" 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 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_SMD:c_elec_5x5.3" 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 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 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_0805_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 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 C C6
U 1 1 5934D473
P 2050 2950
F 0 "C6" H 2075 3050 50  0000 L CNN
F 1 "200n" H 2075 2850 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_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 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_0805_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 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_0805_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 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_0805_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 +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 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_0805_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 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_0805_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 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_0805_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 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_0805_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 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_0805_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 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 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_0805_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 JACK_TRS_6PINS J2
U 1 1 5935A296
P 1100 6050
F 0 "J2" H 1100 6450 50  0000 C CNN
F 1 "JACK_TRS_6PINS" H 1050 5750 50  0000 C CNN
F 2 "" H 1200 5900 50  0001 C CNN
F 3 "" H 1200 5900 50  0001 C CNN
	1    1100 6050
	1    0    0    -1  
$EndComp
$Comp
L 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_0805_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 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_0805_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
NoConn ~ 1500 6150
NoConn ~ 1500 5950
NoConn ~ 1500 5750
$Comp
L 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 +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 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 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 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 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 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 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 OPA2134 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 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 "" 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 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 "" 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 +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 -12V #PWR45
U 1 1 59361859
P 7850 850
F 0 "#PWR45" 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 C C29
U 1 1 59361C5D
P 6400 1100
F 0 "C29" H 6425 1200 50  0000 L CNN
F 1 "100n" H 6425 1000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_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 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_0805_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 CP C31
U 1 1 59361F8D
P 6550 1450
F 0 "C31" H 6575 1550 50  0000 L CNN
F 1 "1u" H 6575 1350 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_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 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_0805_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 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 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 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 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 OPA2134 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 OPA2134 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
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 5500 1050
Wire Wire Line
	1250 1000 1900 1000
Wire Wire Line
	2100 1000 2500 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 1050
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 1100
Connection ~ 3800 1050
Wire Wire Line
	3800 1400 3800 1450
Connection ~ 3800 1450
Wire Wire Line
	4050 1000 4050 1100
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 4300 1450
Wire Wire Line
	3600 650  4300 650 
Wire Wire Line
	4500 650  5000 650 
Wire Wire Line
	4500 1450 5000 1450
Wire Wire Line
	4700 1000 4700 1100
Connection ~ 4700 1050
Wire Wire Line
	4700 1450 4700 1400
Wire Wire Line
	5000 1450 5000 1400
Connection ~ 4700 1450
Wire Wire Line
	5000 1000 5000 1100
Connection ~ 5000 1050
Wire Wire Line
	5000 650  5000 700 
Wire Wire Line
	4700 700  4700 650 
Connection ~ 4700 650 
Wire Wire Line
	2500 1100 2500 1750
Connection ~ 4850 1450
Connection ~ 4850 650 
Wire Wire Line
	2050 2000 2650 2000
Wire Wire Line
	2600 2000 2600 2250
Wire Wire Line
	2300 2250 2650 2250
Wire Wire Line
	2300 2250 2300 2600
Connection ~ 2600 2250
Wire Wire Line
	2950 2250 3350 2250
Wire Wire Line
	3350 2250 3350 2600
Wire Wire Line
	2950 2000 3550 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 3300
Wire Wire Line
	3600 2800 3350 2800
Wire Wire Line
	3350 2900 3600 2900
Connection ~ 3600 2900
Wire Wire Line
	2050 3200 2300 3200
Connection ~ 3600 2800
Wire Wire Line
	3350 3400 4150 3400
Wire Wire Line
	4450 3400 4450 4150
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 4150
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 3550
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 2300 3100
Connection ~ 2050 3100
Wire Wire Line
	2200 2800 2200 3200
Wire Wire Line
	2200 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 1600 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 4250
Wire Wire Line
	3550 4550 3550 4800
Wire Wire Line
	3550 4150 3500 4150
Connection ~ 3550 4150
Wire Wire Line
	3200 4150 3150 4150
Wire Wire Line
	2100 3900 2100 4250
Wire Wire Line
	2100 3900 2300 3900
Connection ~ 2100 4150
Wire Wire Line
	2400 4150 2450 4150
Wire Wire Line
	2750 4150 2850 4150
Wire Wire Line
	2800 4150 2800 4250
Connection ~ 2800 4150
Wire Wire Line
	2100 4800 2100 4550
Wire Wire Line
	1000 2700 1000 2750
Wire Wire Line
	2450 5800 2800 5800
Wire Wire Line
	2450 6150 2800 6150
Wire Wire Line
	1500 6050 1750 6050
Wire Wire Line
	1750 6050 1750 5900
Wire Wire Line
	1750 5900 1900 5900
Wire Wire Line
	2200 5900 2800 5900
Wire Wire Line
	2800 6250 2200 6250
Wire Wire Line
	1900 6250 1500 6250
Wire Wire Line
	1500 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  6550 850 
Wire Wire Line
	7350 850  7550 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
	4400 5000 4650 5000
Wire Wire Line
	4600 5000 4600 5250
Wire Wire Line
	4600 5250 5150 5250
Connection ~ 4600 5000
$Comp
L R R9
U 1 1 59364F92
P 5300 5250
F 0 "R9" V 5380 5250 50  0000 C CNN
F 1 "1k" V 5300 5250 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 5230 5250 50  0001 C CNN
F 3 "" H 5300 5250 50  0001 C CNN
	1    5300 5250
	0    1    1    0   
$EndComp
Wire Wire Line
	5050 5250 5050 5100
Wire Wire Line
	5050 5100 5200 5100
Connection ~ 5050 5250
$Comp
L C C27
U 1 1 593652A9
P 5350 5100
F 0 "C27" V 5400 5150 50  0000 L CNN
F 1 "2n7" V 5250 5200 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 5388 4950 50  0001 C CNN
F 3 "" H 5350 5100 50  0001 C CNN
	1    5350 5100
	0    1    1    0   
$EndComp
Wire Wire Line
	5750 5100 5500 5100
Wire Wire Line
	5650 5100 5650 5250
Wire Wire Line
	5650 5250 5450 5250
Wire Wire Line
	5750 3700 5750 5100
Wire Wire Line
	5750 4850 5650 4850
Connection ~ 5650 5100
$Comp
L GNDPWR #PWR036
U 1 1 59365F86
P 4500 4700
F 0 "#PWR036" H 4500 4500 50  0001 C CNN
F 1 "GNDPWR" H 4500 4550 50  0000 C CNN
F 2 "" H 4500 4650 50  0001 C CNN
F 3 "" H 4500 4650 50  0001 C CNN
	1    4500 4700
	0    1    1    0   
$EndComp
Wire Wire Line
	4500 4700 4650 4700
Wire Wire Line
	3650 6200 3350 6200
Wire Wire Line
	3350 5850 3550 5850
$Comp
L R R10
U 1 1 59368717
P 5350 6100
F 0 "R10" V 5430 6100 50  0000 C CNN
F 1 "1k" V 5350 6100 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 5280 6100 50  0001 C CNN
F 3 "" H 5350 6100 50  0001 C CNN
	1    5350 6100
	0    1    1    0   
$EndComp
$Comp
L C C28
U 1 1 593688FD
P 5350 5900
F 0 "C28" V 5400 5950 50  0000 L CNN
F 1 "2n7" V 5250 6000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 5388 5750 50  0001 C CNN
F 3 "" H 5350 5900 50  0001 C CNN
	1    5350 5900
	0    1    1    0   
$EndComp
Wire Wire Line
	5200 5900 5150 5900
Wire Wire Line
	5150 5900 5150 6100
Wire Wire Line
	5150 6100 5200 6100
Wire Wire Line
	5550 6100 5500 6100
Wire Wire Line
	5550 5900 5550 6100
Wire Wire Line
	5550 5900 5500 5900
Wire Wire Line
	4600 6000 5150 6000
Wire Wire Line
	4600 6000 4600 5850
Connection ~ 4600 5850
Connection ~ 5150 6000
Wire Wire Line
	5750 6000 5550 6000
Wire Wire Line
	5750 5700 5750 6000
Wire Wire Line
	5750 5700 5650 5700
Connection ~ 5550 6000
$Comp
L GNDPWR #PWR037
U 1 1 59369360
P 4500 5550
F 0 "#PWR037" H 4500 5350 50  0001 C CNN
F 1 "GNDPWR" H 4500 5400 50  0000 C CNN
F 2 "" H 4500 5500 50  0001 C CNN
F 3 "" H 4500 5500 50  0001 C CNN
	1    4500 5550
	0    1    1    0   
$EndComp
Wire Wire Line
	4500 5550 4650 5550
Wire Wire Line
	3550 5850 3550 4950
Wire Wire Line
	3550 4950 3900 4950
Wire Wire Line
	4400 5200 4400 5000
$Comp
L Earth #PWR038
U 1 1 5936B546
P 3000 7200
F 0 "#PWR038" H 3000 6950 50  0001 C CNN
F 1 "Earth" H 3000 7050 50  0001 C CNN
F 2 "" H 3000 7200 50  0001 C CNN
F 3 "" H 3000 7200 50  0001 C CNN
	1    3000 7200
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR039
U 1 1 5936B739
P 4050 7200
F 0 "#PWR039" H 4050 6950 50  0001 C CNN
F 1 "Earth" H 4050 7050 50  0001 C CNN
F 2 "" H 4050 7200 50  0001 C CNN
F 3 "" H 4050 7200 50  0001 C CNN
	1    4050 7200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 7200 4050 7100
Wire Wire Line
	3000 7100 3000 7200
$Comp
L TPA6120 U4
U 1 1 5936C2F8
P 6950 3200
F 0 "U4" H 7000 3250 60  0000 C CNN
F 1 "TPA6120" H 7300 3250 60  0000 C CNN
F 2 "Housings_SOIC:SOIC-20W_7.5x12.8mm_Pitch1.27mm" H 6950 3200 60  0001 C CNN
F 3 "" H 6950 3200 60  0001 C CNN
	1    6950 3200
	1    0    0    -1  
$EndComp
$Comp
L L_Small L6
U 1 1 5936CC12
P 6300 3350
F 0 "L6" V 6250 3400 50  0000 L CNN
F 1 "10u" V 6250 3200 50  0000 L CNN
F 2 "" H 6300 3350 50  0001 C CNN
F 3 "" H 6300 3350 50  0001 C CNN
F 4 "DLV-121-M2.0" V 6300 3350 60  0001 C CNN "No."
	1    6300 3350
	0    -1   -1   0   
$EndComp
$Comp
L L_Small L8
U 1 1 5936CF7D
P 8350 3350
F 0 "L8" V 8300 3400 50  0000 L CNN
F 1 "10u" V 8300 3200 50  0000 L CNN
F 2 "" H 8350 3350 50  0001 C CNN
F 3 "" H 8350 3350 50  0001 C CNN
F 4 "DLV-121-M2.0" V 8350 3350 60  0001 C CNN "No."
	1    8350 3350
	0    -1   -1   0   
$EndComp
$Comp
L CP C30
U 1 1 5936D506
P 6500 3100
F 0 "C30" H 6525 3200 50  0000 L CNN
F 1 "22u" H 6525 3000 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x5.3" H 6538 2950 50  0001 C CNN
F 3 "" H 6500 3100 50  0001 C CNN
	1    6500 3100
	-1   0    0    1   
$EndComp
$Comp
L CP C36
U 1 1 5936E4FB
P 8150 3100
F 0 "C36" H 8175 3200 50  0000 L CNN
F 1 "22u" H 8175 3000 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x5.3" H 8188 2950 50  0001 C CNN
F 3 "" H 8150 3100 50  0001 C CNN
	1    8150 3100
	1    0    0    -1  
$EndComp
$Comp
L C C32
U 1 1 5936ED37
P 6700 3100
F 0 "C32" H 6725 3200 50  0000 L CNN
F 1 "100n" H 6725 3000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 6738 2950 50  0001 C CNN
F 3 "" H 6700 3100 50  0001 C CNN
	1    6700 3100
	1    0    0    -1  
$EndComp
$Comp
L C C35
U 1 1 5936EFE5
P 7950 3100
F 0 "C35" H 7975 3200 50  0000 L CNN
F 1 "100n" H 7975 3000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7988 2950 50  0001 C CNN
F 3 "" H 7950 3100 50  0001 C CNN
	1    7950 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	7900 3350 8250 3350
Connection ~ 7900 3350
Wire Wire Line
	8150 3250 8150 3350
Connection ~ 8150 3350
Wire Wire Line
	6400 3350 6750 3350
Wire Wire Line
	6750 3300 6750 3400
Connection ~ 6750 3350
Wire Wire Line
	6700 3350 6700 3250
Connection ~ 6700 3350
Wire Wire Line
	6500 3350 6500 3250
Connection ~ 6500 3350
Wire Wire Line
	7900 3300 7900 3400
Wire Wire Line
	7950 3350 7950 3250
Connection ~ 7950 3350
Wire Wire Line
	6500 2950 6500 2900
Wire Wire Line
	6500 2900 8150 2900
Wire Wire Line
	6700 2900 6700 2950
Wire Wire Line
	8150 2900 8150 2950
Connection ~ 6700 2900
Wire Wire Line
	7950 2950 7950 2900
Connection ~ 7950 2900
Wire Wire Line
	7350 2900 7350 2950
Connection ~ 7350 2900
$Comp
L GNDPWR #PWR040
U 1 1 59370561
P 7350 2950
F 0 "#PWR040" H 7350 2750 50  0001 C CNN
F 1 "GNDPWR" H 7350 2800 50  0000 C CNN
F 2 "" H 7350 2900 50  0001 C CNN
F 3 "" H 7350 2900 50  0001 C CNN
	1    7350 2950
	1    0    0    -1  
$EndComp
Connection ~ 5750 4850
$Comp
L R R11
U 1 1 5937135E
P 5950 3700
F 0 "R11" V 6030 3700 50  0000 C CNN
F 1 "1k" V 5950 3700 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 5880 3700 50  0001 C CNN
F 3 "" H 5950 3700 50  0001 C CNN
	1    5950 3700
	0    1    1    0   
$EndComp
Wire Wire Line
	5800 3700 5750 3700
Wire Wire Line
	6100 3700 6750 3700
Wire Wire Line
	6700 3600 6750 3600
Wire Wire Line
	6700 4000 6750 4000
Wire Wire Line
	6700 3600 6700 4650
$Comp
L GNDPWR #PWR041
U 1 1 59371B67
P 6700 4650
F 0 "#PWR041" H 6700 4450 50  0001 C CNN
F 1 "GNDPWR" H 6700 4500 50  0000 C CNN
F 2 "" H 6700 4600 50  0001 C CNN
F 3 "" H 6700 4600 50  0001 C CNN
	1    6700 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 4100 6050 5850
Wire Wire Line
	6050 5850 5750 5850
Connection ~ 5750 5850
$Comp
L R R12
U 1 1 593721CE
P 6250 4100
F 0 "R12" V 6330 4100 50  0000 C CNN
F 1 "1k" V 6250 4100 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 6180 4100 50  0001 C CNN
F 3 "" H 6250 4100 50  0001 C CNN
	1    6250 4100
	0    1    1    0   
$EndComp
Wire Wire Line
	6050 4100 6100 4100
Wire Wire Line
	6400 4100 6750 4100
Connection ~ 6700 4000
Wire Wire Line
	7950 4250 7400 4250
$Comp
L R R13
U 1 1 59372F7C
P 7250 4250
F 0 "R13" V 7330 4250 50  0000 C CNN
F 1 "1k" V 7250 4250 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 7180 4250 50  0001 C CNN
F 3 "" H 7250 4250 50  0001 C CNN
	1    7250 4250
	0    1    1    0   
$EndComp
Wire Wire Line
	7100 4250 6600 4250
Wire Wire Line
	6600 4250 6600 4100
Connection ~ 6600 4100
Wire Wire Line
	7900 3650 8400 3650
Wire Wire Line
	8100 3650 8100 4450
Wire Wire Line
	8100 4450 7400 4450
$Comp
L R R14
U 1 1 5937350B
P 7250 4450
F 0 "R14" V 7330 4450 50  0000 C CNN
F 1 "1k" V 7250 4450 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 7180 4450 50  0001 C CNN
F 3 "" H 7250 4450 50  0001 C CNN
	1    7250 4450
	0    1    1    0   
$EndComp
Wire Wire Line
	7100 4450 6500 4450
Wire Wire Line
	6500 4450 6500 3700
Connection ~ 6500 3700
$Comp
L +12V #PWR042
U 1 1 5937422B
P 6100 3300
F 0 "#PWR042" H 6100 3150 50  0001 C CNN
F 1 "+12V" H 6100 3440 50  0000 C CNN
F 2 "" H 6100 3300 50  0001 C CNN
F 3 "" H 6100 3300 50  0001 C CNN
	1    6100 3300
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR46
U 1 1 59374872
P 8550 3400
F 0 "#PWR46" H 8550 3500 50  0001 C CNN
F 1 "-12V" H 8550 3550 50  0000 C CNN
F 2 "" H 8550 3400 50  0001 C CNN
F 3 "" H 8550 3400 50  0001 C CNN
	1    8550 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	8450 3350 8550 3350
Wire Wire Line
	8550 3350 8550 3400
Wire Wire Line
	6100 3300 6100 3350
Wire Wire Line
	6100 3350 6200 3350
Wire Wire Line
	7900 4050 7950 4050
Wire Wire Line
	7950 3850 7950 4250
$Comp
L JACK_TRS_6PINS J3
U 1 1 593770B0
P 9450 3850
F 0 "J3" H 9450 4250 50  0000 C CNN
F 1 "JACK_TRS_6PINS" H 9400 3550 50  0000 C CNN
F 2 "" H 9550 3700 50  0001 C CNN
F 3 "" H 9550 3700 50  0001 C CNN
	1    9450 3850
	-1   0    0    1   
$EndComp
$Comp
L R R15
U 1 1 59377722
P 8550 3650
F 0 "R15" V 8630 3650 50  0000 C CNN
F 1 "5" V 8550 3650 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 8480 3650 50  0001 C CNN
F 3 "" H 8550 3650 50  0001 C CNN
	1    8550 3650
	0    1    1    0   
$EndComp
$Comp
L R R16
U 1 1 59377880
P 8550 3850
F 0 "R16" V 8630 3850 50  0000 C CNN
F 1 "5" V 8550 3850 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 8480 3850 50  0001 C CNN
F 3 "" H 8550 3850 50  0001 C CNN
	1    8550 3850
	0    1    1    0   
$EndComp
Connection ~ 8100 3650
Wire Wire Line
	8700 3650 8850 3650
Wire Wire Line
	8850 3650 8850 3850
Wire Wire Line
	8850 3850 9050 3850
Wire Wire Line
	9050 3650 8950 3650
Wire Wire Line
	8950 3650 8950 3750
Wire Wire Line
	8950 3750 8750 3750
Wire Wire Line
	8750 3750 8750 3850
Wire Wire Line
	8750 3850 8700 3850
Wire Wire Line
	8400 3850 7950 3850
Connection ~ 7950 4050
NoConn ~ 9050 3750
NoConn ~ 9050 3950
NoConn ~ 9050 4150
$Comp
L GNDPWR #PWR043
U 1 1 59378761
P 8700 4150
F 0 "#PWR043" H 8700 3950 50  0001 C CNN
F 1 "GNDPWR" H 8700 4000 50  0000 C CNN
F 2 "" H 8700 4100 50  0001 C CNN
F 3 "" H 8700 4100 50  0001 C CNN
	1    8700 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 4150 8700 4050
Wire Wire Line
	8700 4050 9050 4050
$Comp
L R R8
U 1 1 593591E4
P 4300 5850
F 0 "R8" V 4380 5850 50  0000 C CNN
F 1 "500" V 4300 5850 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 4230 5850 50  0001 C CNN
F 3 "" H 4300 5850 50  0001 C CNN
	1    4300 5850
	0    1    1    0   
$EndComp
$Comp
L R R7
U 1 1 593593A7
P 4200 5200
F 0 "R7" V 4280 5200 50  0000 C CNN
F 1 "500" V 4200 5200 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 4130 5200 50  0001 C CNN
F 3 "" H 4200 5200 50  0001 C CNN
	1    4200 5200
	0    1    1    0   
$EndComp
Wire Wire Line
	4350 5200 4400 5200
Wire Wire Line
	3900 5850 4150 5850
Wire Wire Line
	4450 5850 4650 5850
$Comp
L CONN_01X03 J4
U 1 1 5935D2F8
P 1700 6850
F 0 "J4" H 1700 7050 50  0000 C CNN
F 1 "CONN_01X03" V 1800 6850 50  0000 C CNN
F 2 "Connectors:PINHEAD1-3" H 1700 6850 50  0001 C CNN
F 3 "" H 1700 6850 50  0001 C CNN
	1    1700 6850
	-1   0    0    1   
$EndComp
Wire Wire Line
	4050 6450 4050 6550
Wire Wire Line
	1900 6450 4050 6450
Wire Wire Line
	1900 6450 1900 6750
Wire Wire Line
	1900 6850 2100 6850
$Comp
L +5V #PWR044
U 1 1 5935DF04
P 2100 6850
F 0 "#PWR044" 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
NoConn ~ 1900 6950
Wire Wire Line
	3000 6550 3000 6450
Connection ~ 3000 6450
$Comp
L 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:SMA_Handsoldering" H 3500 6850 50  0001 C CNN
F 3 "" H 3500 6850 50  0001 C CNN
	1    3500 6850
	0    1    1    0   
$EndComp
Wire Wire Line
	3000 7150 3500 7150
Wire Wire Line
	3500 7150 3500 7000
Connection ~ 3000 7150
Wire Wire Line
	3500 6700 3500 6450
Connection ~ 3500 6450
$Comp
L Dual_Pot_ALPS RV1
U 1 1 5935E896
P 3800 5400
F 0 "RV1" H 4150 5200 50  0000 C CNN
F 1 "Dual_Pot_ALPS" H 3650 5200 50  0000 C CNN
F 2 "Potentiometers:Potentiometer_Alps-RK163-double_20mm" H 4050 5325 50  0001 C CNN
F 3 "" H 4050 5325 50  0001 C CNN
	1    3800 5400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3700 5150 3550 5150
Connection ~ 3550 5150
Wire Wire Line
	3900 5450 3650 5450
Wire Wire Line
	3650 5450 3650 6200
Wire Wire Line
	3650 5650 3700 5650
Connection ~ 3650 5650
Wire Wire Line
	3900 5350 4050 5350
Wire Wire Line
	4050 5350 4050 5200
$EndSCHEMATC