VCO440.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:R_POT VR1
U 1 1 5E9D6039
P 1300 1300
F 0 "VR1" V 1200 1300 50  0000 C CNN
F 1 "100K" V 1300 1300 50  0000 C CNN
F 2 "ROBSLIBRARY:Potentiometer_Alps_RK09K_Single_Vertical" V 1230 1300 50  0001 C CNN
F 3 "~" H 1300 1300 50  0001 C CNN
	1    1300 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 3000 6600 3000
Wire Wire Line
	6950 2050 7050 2050
Wire Wire Line
	3700 1400 3700 1650
Connection ~ 3700 1400
Wire Wire Line
	3100 1400 3700 1400
Wire Wire Line
	3100 1150 3100 1400
Wire Wire Line
	3700 1650 3750 1650
Wire Wire Line
	3700 1050 3700 1400
$Comp
L Amplifier_Operational:TL074 U1
U 3 1 5EB1C136
P 3400 1050
F 0 "U1" H 3400 1417 50  0000 C CNN
F 1 "TL074" H 3400 1326 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 3400 1050 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 3400 1050 50  0001 C CNN
	3    3400 1050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #GND01
U 1 1 5EB14D41
P 2300 1100
F 0 "#GND01" H 2300 850 50  0001 C CNN
F 1 "GND" H 2450 1050 50  0000 C CNN
F 2 "" H 2300 1100 50  0001 C CNN
F 3 "" H 2300 1100 50  0001 C CNN
	1    2300 1100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9400 1450 9450 1450
$Comp
L Device:R R21
U 1 1 5EB0BBBB
P 9250 1450
F 0 "R21" V 9150 1450 50  0000 C CNN
F 1 "1K" V 9250 1450 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 9180 1450 50  0001 C CNN
F 3 "~" H 9250 1450 50  0001 C CNN
	1    9250 1450
	0    1    1    0   
$EndComp
Wire Wire Line
	3750 1950 3300 1950
Wire Wire Line
	3300 2050 3300 2350
Wire Wire Line
	3150 2400 3150 2500
$Comp
L Connector:AudioJack2_Ground_Switch Jack6
U 1 1 5EA040D6
P 9700 2150
F 0 "Jack6" H 9520 2225 50  0000 R CNN
F 1 "TRIANGLE" H 9520 2134 50  0000 R CNN
F 2 "Connector_Audio:Jack_6.5mmLMNC" H 9700 2150 50  0001 C CNN
F 3 "~" H 9700 2150 50  0001 C CNN
	1    9700 2150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3300 2350 3300 3400
Wire Wire Line
	5300 3400 5300 3150
Wire Wire Line
	3300 3400 5300 3400
Connection ~ 4100 2050
Wire Wire Line
	4100 3150 4850 3150
Wire Wire Line
	4100 3150 4100 2050
Wire Wire Line
	4550 3050 4700 3050
Connection ~ 4550 3050
Wire Wire Line
	4550 2850 4550 3050
Wire Wire Line
	4400 2550 4550 2550
Wire Wire Line
	4350 3050 4550 3050
Wire Wire Line
	4700 2350 4400 2350
$Comp
L power:+12V #+12V02
U 1 1 5EA5AC7E
P 3150 2400
F 0 "#+12V02" H 3150 2250 50  0001 C CNN
F 1 "+12V" H 3165 2573 50  0000 C CNN
F 2 "" H 3150 2400 50  0001 C CNN
F 3 "" H 3150 2400 50  0001 C CNN
	1    3150 2400
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #+12V01
U 1 1 5EA53532
P 2300 1300
F 0 "#+12V01" H 2300 1150 50  0001 C CNN
F 1 "+12V" H 2450 1400 50  0000 C CNN
F 2 "" H 2300 1300 50  0001 C CNN
F 3 "" H 2300 1300 50  0001 C CNN
	1    2300 1300
	0    1    1    0   
$EndComp
$Comp
L power:-12V #-12V01
U 1 1 5EA50FA0
P 4500 2050
F 0 "#-12V01" H 4500 2150 50  0001 C CNN
F 1 "-12V" H 4515 2223 50  0000 C CNN
F 2 "" H 4500 2050 50  0001 C CNN
F 3 "" H 4500 2050 50  0001 C CNN
	1    4500 2050
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL074 U1
U 1 1 5E9E5109
P 6650 2050
F 0 "U1" H 6650 2417 50  0000 C CNN
F 1 "TL074" H 6650 2326 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 6650 2050 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 6650 2050 50  0001 C CNN
	1    6650 2050
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #-12V02
U 1 1 5EA14000
P 6950 1650
F 0 "#-12V02" H 6950 1750 50  0001 C CNN
F 1 "-12V" H 6965 1823 50  0000 C CNN
F 2 "" H 6950 1650 50  0001 C CNN
F 3 "" H 6950 1650 50  0001 C CNN
	1    6950 1650
	1    0    0    1   
$EndComp
Wire Wire Line
	4100 1850 4250 1850
Wire Wire Line
	4100 2050 4100 1850
Connection ~ 5300 3150
Connection ~ 5300 3050
Wire Wire Line
	5300 3050 5300 3150
Wire Wire Line
	4850 2950 4850 3150
Wire Wire Line
	5200 2950 4850 2950
Wire Wire Line
	5000 3150 5300 3150
$Comp
L power:+12V #+12V04
U 1 1 5EA22616
P 6950 1050
F 0 "#+12V04" H 6950 900 50  0001 C CNN
F 1 "+12V" H 6965 1223 50  0000 C CNN
F 2 "" H 6950 1050 50  0001 C CNN
F 3 "" H 6950 1050 50  0001 C CNN
	1    6950 1050
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL074 U1
U 5 1 5EA14EB4
P 7050 1350
F 0 "U1" H 7008 1396 50  0000 L CNN
F 1 "TL074" H 7008 1305 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7050 1350 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 7050 1350 50  0001 C CNN
	5    7050 1350
	1    0    0    -1  
$EndComp
$Comp
L Connector:AudioJack2_Ground_Switch Jack5
U 1 1 5EA00752
P 9650 1450
F 0 "Jack5" H 9470 1525 50  0000 R CNN
F 1 "SAW" H 9470 1434 50  0000 R CNN
F 2 "Connector_Audio:Jack_6.5mmLMNC" H 9650 1450 50  0001 C CNN
F 3 "~" H 9650 1450 50  0001 C CNN
	1    9650 1450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6000 2700 6000 3000
Wire Wire Line
	6000 2500 5700 2450
Wire Wire Line
	6350 2150 6350 2300
Wire Wire Line
	6100 1950 6350 1950
Wire Wire Line
	6100 2250 6100 1950
Wire Wire Line
	5700 2250 6100 2250
$Comp
L Amplifier_Operational:TL074 U1
U 2 1 5E9EC695
P 6300 2600
F 0 "U1" H 6300 2967 50  0000 C CNN
F 1 "TL074" H 6300 2876 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 6300 2600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 6300 2600 50  0001 C CNN
	2    6300 2600
	1    0    0    -1  
$EndComp
Connection ~ 3300 2350
Wire Wire Line
	3300 2350 3550 2350
Wire Wire Line
	4050 1950 4050 2350
Wire Wire Line
	4050 2350 4050 2450
Connection ~ 4050 2350
$Comp
L Device:C_Small C1
U 1 1 5E9DE7F5
P 3650 2350
F 0 "C1" V 3650 2500 50  0000 L CNN
F 1 "10nf" V 3742 2305 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 3650 2350 50  0001 C CNN
F 3 "~" H 3650 2350 50  0001 C CNN
	1    3650 2350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3550 2500 3150 2500
Wire Wire Line
	4500 2050 4400 2050
$Comp
L Connector:AudioJack2_Ground_Switch Jack1
U 1 1 5E9D930F
P 2200 2000
F 0 "Jack1" H 1900 2050 50  0000 C CNN
F 1 "CV IN" H 1900 1950 50  0000 C CNN
F 2 "Connector_Audio:Jack_6.5mmLMNC" H 2200 2000 50  0001 C CNN
F 3 "~" H 2200 2000 50  0001 C CNN
	1    2200 2000
	1    0    0    -1  
$EndComp
Connection ~ 4050 1950
Wire Wire Line
	4050 1650 4050 1950
Wire Wire Line
	4700 2450 4050 2450
Wire Wire Line
	5200 1300 5200 1550
Wire Wire Line
	3850 2500 4400 2500
$Comp
L power:+12V #+12V03
U 1 1 5E9CF4A1
P 5200 1300
F 0 "#+12V03" H 5200 1150 50  0001 C CNN
F 1 "+12V" H 5215 1473 50  0000 C CNN
F 2 "" H 5200 1300 50  0001 C CNN
F 3 "" H 5200 1300 50  0001 C CNN
	1    5200 1300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #GND02
U 1 1 5E9CEA21
P 5000 3150
F 0 "#GND02" H 5000 2900 50  0001 C CNN
F 1 "GND" H 5005 2977 50  0000 C CNN
F 2 "" H 5000 3150 50  0001 C CNN
F 3 "" H 5000 3150 50  0001 C CNN
	1    5000 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4400 2500 4400 2550
Connection ~ 4400 2500
Wire Wire Line
	4400 2350 4400 2500
Connection ~ 4700 3050
Wire Wire Line
	4350 2850 4350 3050
Wire Wire Line
	4700 2650 4350 2650
$Comp
L Device:C_Small C3
U 1 1 5E9C8BFE
P 4350 2750
F 0 "C3" H 4350 2650 50  0000 L CNN
F 1 "1nf" H 4350 2850 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 4350 2750 50  0001 C CNN
F 3 "~" H 4350 2750 50  0001 C CNN
	1    4350 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 3050 5300 2950
Wire Wire Line
	4700 3050 5300 3050
$Comp
L Device:R R5
U 1 1 5E9C8148
P 3900 2350
F 0 "R5" V 3800 2350 50  0000 C CNN
F 1 "470R" V 3900 2350 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3830 2350 50  0001 C CNN
F 3 "~" H 3900 2350 50  0001 C CNN
	1    3900 2350
	0    1    1    0   
$EndComp
$Comp
L Device:R R1
U 1 1 5E9C77C6
P 3700 2500
F 0 "R1" V 3650 2300 50  0000 C CNN
F 1 "1.5M" V 3700 2500 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3630 2500 50  0001 C CNN
F 3 "~" H 3700 2500 50  0001 C CNN
	1    3700 2500
	0    1    1    0   
$EndComp
$Comp
L Device:R R4
U 1 1 5E9C7186
P 3900 1950
F 0 "R4" V 3800 1950 50  0000 C CNN
F 1 "100K" V 3900 1950 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3830 1950 50  0001 C CNN
F 3 "~" H 3900 1950 50  0001 C CNN
	1    3900 1950
	0    1    1    0   
$EndComp
$Comp
L Device:R R13
U 1 1 5E9C69E7
P 4550 2700
F 0 "R13" V 4500 2500 50  0000 C CNN
F 1 "470R" V 4550 2700 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4480 2700 50  0001 C CNN
F 3 "~" H 4550 2700 50  0001 C CNN
	1    4550 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R3
U 1 1 5E9C60DC
P 3900 1650
F 0 "R3" V 3800 1650 50  0000 C CNN
F 1 "100K" V 3900 1650 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3830 1650 50  0001 C CNN
F 3 "~" H 3900 1650 50  0001 C CNN
	1    3900 1650
	0    1    1    0   
$EndComp
$Comp
L Device:R R17
U 1 1 5E9C2A14
P 4700 2900
F 0 "R17" H 4650 2950 50  0000 R CNN
F 1 "1.8K" V 4700 3000 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4630 2900 50  0001 C CNN
F 3 "~" H 4700 2900 50  0001 C CNN
	1    4700 2900
	-1   0    0    1   
$EndComp
Wire Wire Line
	4750 1650 4750 1500
Wire Wire Line
	4700 1750 4750 1650
Wire Wire Line
	4700 1850 4550 1850
$Comp
L Audio:AS3340 U3
U 1 1 5E9B93B1
P 5200 2250
F 0 "U3" H 5200 3131 50  0000 C CNN
F 1 "AS3340" H 5200 3040 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 5700 1950 50  0001 C CNN
F 3 "http://www.alfarzpp.lv/eng/sc/AS3340.pdf" H 5800 1800 50  0001 C CNN
	1    5200 2250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R9
U 1 1 5E9BF103
P 4250 2050
F 0 "R9" V 4150 2050 50  0000 C CNN
F 1 "620R" V 4250 2050 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4180 2050 50  0001 C CNN
F 3 "~" H 4250 2050 50  0001 C CNN
	1    4250 2050
	0    1    1    0   
$EndComp
$Comp
L Device:R R14
U 1 1 5E9BEA3D
P 4600 1500
F 0 "R14" V 4500 1500 50  0000 C CNN
F 1 "24K" V 4600 1500 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4530 1500 50  0001 C CNN
F 3 "~" H 4600 1500 50  0001 C CNN
	1    4600 1500
	0    1    1    0   
$EndComp
$Comp
L Device:R R11
U 1 1 5E9BB387
P 4400 1850
F 0 "R11" V 4300 1850 50  0000 C CNN
F 1 "5.6K" V 4400 1850 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4330 1850 50  0001 C CNN
F 3 "~" H 4400 1850 50  0001 C CNN
	1    4400 1850
	0    1    1    0   
$EndComp
$Comp
L Connector_Generic:Conn_02x05_Odd_Even J5
U 1 1 5EBBE7CA
P 8900 3800
F 0 "J5" H 8950 3375 50  0000 C CNN
F 1 "Conn_02x05_Odd_Even" H 8950 3466 50  0000 C CNN
F 2 "Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical" H 8900 3800 50  0001 C CNN
F 3 "~" H 8900 3800 50  0001 C CNN
	1    8900 3800
	-1   0    0    1   
$EndComp
Wire Wire Line
	8600 4250 8850 4250
Wire Wire Line
	9100 4250 9100 4000
Wire Wire Line
	8600 3300 8600 3600
Wire Wire Line
	8600 3300 8850 3300
Wire Wire Line
	9100 3700 9100 3800
Connection ~ 9100 3800
Wire Wire Line
	9100 3800 9100 3900
Wire Wire Line
	8600 3700 8600 3800
Connection ~ 8600 3800
$Comp
L power:+12V #PWR02
U 1 1 5EBDEF08
P 8850 3300
F 0 "#PWR02" H 8850 3150 50  0001 C CNN
F 1 "+12V" H 8865 3473 50  0000 C CNN
F 2 "" H 8850 3300 50  0001 C CNN
F 3 "" H 8850 3300 50  0001 C CNN
	1    8850 3300
	1    0    0    -1  
$EndComp
Connection ~ 8850 3300
Wire Wire Line
	8850 3300 9100 3300
$Comp
L power:-12V #PWR03
U 1 1 5EBE0159
P 8850 4250
F 0 "#PWR03" H 8850 4350 50  0001 C CNN
F 1 "-12V" H 8865 4423 50  0000 C CNN
F 2 "" H 8850 4250 50  0001 C CNN
F 3 "" H 8850 4250 50  0001 C CNN
	1    8850 4250
	-1   0    0    1   
$EndComp
Connection ~ 8850 4250
Wire Wire Line
	8850 4250 9100 4250
$Comp
L power:GND #PWR01
U 1 1 5EBE2A49
P 8600 3800
F 0 "#PWR01" H 8600 3550 50  0001 C CNN
F 1 "GND" V 8605 3672 50  0000 R CNN
F 2 "" H 8600 3800 50  0001 C CNN
F 3 "" H 8600 3800 50  0001 C CNN
	1    8600 3800
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR04
U 1 1 5EBEB3A5
P 9100 3800
F 0 "#PWR04" H 9100 3550 50  0001 C CNN
F 1 "GND" V 9105 3672 50  0000 R CNN
F 2 "" H 9100 3800 50  0001 C CNN
F 3 "" H 9100 3800 50  0001 C CNN
	1    9100 3800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8950 2150 8950 2450
Wire Wire Line
	8950 2450 9700 2450
Wire Wire Line
	8950 1450 8950 1950
Wire Wire Line
	6600 2600 6600 3000
Wire Wire Line
	6350 2300 7050 2300
Wire Wire Line
	9100 1450 8950 1450
Wire Wire Line
	9650 1750 10350 1750
Wire Wire Line
	10350 1750 10350 2450
Wire Wire Line
	10350 2450 9700 2450
Connection ~ 9700 2450
Wire Wire Line
	7050 1950 7050 2050
Connection ~ 7050 2050
Wire Wire Line
	7050 2050 7050 2300
Wire Wire Line
	7400 2150 7400 3150
Wire Wire Line
	8600 4000 8600 4250
Wire Wire Line
	8600 3900 8550 3900
Connection ~ 8600 3900
$Comp
L Device:R R22
U 1 1 5EF361D1
P 9100 2050
F 0 "R22" V 9000 2050 50  0000 C CNN
F 1 "1K" V 9100 2050 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 9030 2050 50  0001 C CNN
F 3 "~" H 9100 2050 50  0001 C CNN
	1    9100 2050
	0    1    1    0   
$EndComp
Wire Wire Line
	8600 3850 8600 3900
Wire Wire Line
	8600 3800 8600 3900
Wire Wire Line
	9100 3300 9100 3600
Wire Wire Line
	2200 2300 2600 2300
Wire Wire Line
	2600 2300 2600 2050
Wire Wire Line
	2450 1850 2450 2000
Wire Wire Line
	2450 2000 2400 2000
Wire Wire Line
	3300 1850 3300 1950
Wire Wire Line
	7050 1950 8950 1950
Wire Wire Line
	6800 2050 6950 2050
Wire Wire Line
	7400 2150 8950 2150
$Comp
L Connector:Conn_01x03_Male J3
U 1 1 5F180D90
P 2100 1200
F 0 "J3" H 2072 1132 50  0000 R CNN
F 1 "Conn_01x03" H 2072 1223 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 2100 1200 50  0001 C CNN
F 3 "~" H 2100 1200 50  0001 C CNN
	1    2100 1200
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x03_Female J16
U 1 1 5F180D96
P 2100 1200
F 0 "J16" H 1992 875 50  0000 C CNN
F 1 "Conn_01x03" H 1992 966 50  0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 2100 1200 50  0001 C CNN
F 3 "~" H 2100 1200 50  0001 C CNN
	1    2100 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 1850 3300 1850
Wire Wire Line
	3300 2050 2600 2050
$Comp
L Amplifier_Operational:TL074 U1
U 4 1 5F32E2E8
P 1100 2600
F 0 "U1" H 1100 2967 50  0000 C CNN
F 1 "TL074" H 1100 2876 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 1100 2600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 1100 2600 50  0001 C CNN
	4    1100 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 2600 1400 2900
Wire Wire Line
	1400 2900 800  2900
Wire Wire Line
	800  2900 800  2700
Wire Wire Line
	1300 1450 1900 1450
Wire Wire Line
	1900 1450 1900 1300
Wire Wire Line
	1900 1150 1900 1100
Wire Wire Line
	1300 1150 1900 1150
Wire Wire Line
	1450 1300 1800 1300
Wire Wire Line
	1800 1300 1800 1200
Wire Wire Line
	1800 1200 1900 1200
Wire Wire Line
	5300 3150 7400 3150
Connection ~ 6950 2050
Wire Wire Line
	9250 2050 9250 2150
Wire Wire Line
	9250 2150 9500 2150
Wire Wire Line
	7200 2050 8950 2050
Wire Wire Line
	7200 2050 7200 2600
Wire Wire Line
	7200 2600 6600 2600
Connection ~ 6600 2600
Wire Wire Line
	2300 1200 2850 1200
Wire Wire Line
	2850 1200 2850 950 
Wire Wire Line
	2850 950  3100 950 
$Comp
L Connector:Conn_01x03_Male J1
U 1 1 5F0F9D0C
P 4400 900
F 0 "J1" H 4372 832 50  0000 R CNN
F 1 "Conn_01x03" H 4200 1150 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 4400 900 50  0001 C CNN
F 3 "~" H 4400 900 50  0001 C CNN
	1    4400 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 900  4200 900 
$Comp
L Device:R_POT VR3
U 1 1 5F1AC00F
P 3950 900
F 0 "VR3" V 3850 900 50  0000 C CNN
F 1 "10K" V 3950 900 50  0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" V 3880 900 50  0001 C CNN
F 3 "~" H 3950 900 50  0001 C CNN
	1    3950 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 1500 4450 1300
Wire Wire Line
	4450 1300 4850 1300
Wire Wire Line
	4850 1300 4850 800 
Wire Wire Line
	4850 800  4600 800 
Wire Wire Line
	4600 1150 4600 1000
Connection ~ 4600 1000
Wire Wire Line
	4600 1000 4600 900 
Wire Wire Line
	3950 750  4200 750 
Wire Wire Line
	4200 750  4200 800 
$Comp
L Connector:Conn_01x03_Female J2
U 1 1 5F0F9D16
P 4400 900
F 0 "J2" H 4292 575 50  0000 C CNN
F 1 "Conn_01x03" H 4250 1250 50  0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 4400 900 50  0001 C CNN
F 3 "~" H 4400 900 50  0001 C CNN
	1    4400 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 1150 4250 1150
Wire Wire Line
	4250 1150 4250 1850
Connection ~ 4250 1850
Wire Wire Line
	3950 1050 4200 1050
Wire Wire Line
	4200 1050 4200 1000
$EndSCHEMATC