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:C C4
U 1 1 5E9315A7
P 3400 3300
F 0 "C4" V 3652 3300 50  0000 C CNN
F 1 "2.2u" V 3561 3300 50  0000 C CNN
F 2 "" H 3438 3150 50  0001 C CNN
F 3 "~" H 3400 3300 50  0001 C CNN
	1    3400 3300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3550 3300 3650 3300
$Comp
L Device:R R2
U 1 1 5E931B66
P 3100 2600
F 0 "R2" H 3170 2646 50  0000 L CNN
F 1 "100k" H 3170 2555 50  0000 L CNN
F 2 "" V 3030 2600 50  0001 C CNN
F 3 "~" H 3100 2600 50  0001 C CNN
	1    3100 2600
	1    0    0    -1  
$EndComp
$Comp
L Device:R R3
U 1 1 5E931D42
P 3100 3900
F 0 "R3" H 3170 3946 50  0000 L CNN
F 1 "100k" H 3170 3855 50  0000 L CNN
F 2 "" V 3030 3900 50  0001 C CNN
F 3 "~" H 3100 3900 50  0001 C CNN
	1    3100 3900
	1    0    0    -1  
$EndComp
Connection ~ 3650 3300
Wire Wire Line
	3650 3300 3950 3300
$Comp
L Device:R R4
U 1 1 5E93212A
P 3450 3650
F 0 "R4" V 3657 3650 50  0000 C CNN
F 1 "100k" V 3566 3650 50  0000 C CNN
F 2 "" V 3380 3650 50  0001 C CNN
F 3 "~" H 3450 3650 50  0001 C CNN
	1    3450 3650
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3600 3650 3650 3650
Wire Wire Line
	3650 3300 3650 3650
Wire Wire Line
	3300 3650 3100 3650
Wire Wire Line
	3100 3650 3100 3750
Wire Wire Line
	3100 2750 3100 3650
Connection ~ 3100 3650
Wire Wire Line
	2450 3300 3250 3300
Connection ~ 2450 3300
Wire Wire Line
	2450 3750 2450 3300
$Comp
L Device:R R1
U 1 1 5E938DF3
P 2450 3900
F 0 "R1" H 2520 3946 50  0000 L CNN
F 1 "100" H 2520 3855 50  0000 L CNN
F 2 "" V 2380 3900 50  0001 C CNN
F 3 "~" H 2450 3900 50  0001 C CNN
	1    2450 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 3300 2450 3300
$Comp
L Connector:Conn_01x01_Male J2
U 1 1 5E930B02
P 1900 3300
F 0 "J2" H 2008 3481 50  0000 C CNN
F 1 "6 / 8: audio in" H 2008 3390 50  0000 C CNN
F 2 "" H 1900 3300 50  0001 C CNN
F 3 "~" H 1900 3300 50  0001 C CNN
	1    1900 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5E93BB29
P 2750 3900
F 0 "C3" H 2865 3946 50  0000 L CNN
F 1 "22u" H 2865 3855 50  0000 L CNN
F 2 "" H 2788 3750 50  0001 C CNN
F 3 "~" H 2750 3900 50  0001 C CNN
	1    2750 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 3750 2750 3650
Wire Wire Line
	2750 3650 3100 3650
Wire Wire Line
	2450 4050 2450 4200
Wire Wire Line
	2450 4200 2750 4200
Wire Wire Line
	3100 4200 3100 4050
Wire Wire Line
	2750 4050 2750 4200
Connection ~ 2750 4200
Wire Wire Line
	2750 4200 3100 4200
$Comp
L power:GND #PWR03
U 1 1 5E93C58E
P 2750 4350
F 0 "#PWR03" H 2750 4100 50  0001 C CNN
F 1 "GND" H 2755 4177 50  0000 C CNN
F 2 "" H 2750 4350 50  0001 C CNN
F 3 "" H 2750 4350 50  0001 C CNN
	1    2750 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 4350 2750 4200
$Comp
L Device:C C2
U 1 1 5E93DE05
P 3750 2600
F 0 "C2" H 3865 2646 50  0000 L CNN
F 1 "0.1u" H 3865 2555 50  0000 L CNN
F 2 "" H 3788 2450 50  0001 C CNN
F 3 "~" H 3750 2600 50  0001 C CNN
	1    3750 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 2350 3100 2450
Wire Wire Line
	4150 2350 4150 3100
$Comp
L Connector:Conn_01x01_Male J1
U 1 1 5E941037
P 1900 2350
F 0 "J1" H 2008 2531 50  0000 C CNN
F 1 "4, 5:  +20V in" H 2008 2440 50  0000 C CNN
F 2 "" H 1900 2350 50  0001 C CNN
F 3 "~" H 1900 2350 50  0001 C CNN
	1    1900 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 2350 2300 2350
Connection ~ 3100 2350
Wire Wire Line
	3100 2350 3750 2350
$Comp
L Device:C C1
U 1 1 5E947A16
P 2300 2600
F 0 "C1" H 2415 2646 50  0000 L CNN
F 1 "220u" H 2415 2555 50  0000 L CNN
F 2 "" H 2338 2450 50  0001 C CNN
F 3 "~" H 2300 2600 50  0001 C CNN
	1    2300 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 2450 2300 2350
Connection ~ 2300 2350
$Comp
L power:GND #PWR01
U 1 1 5E94DCC8
P 2300 2850
F 0 "#PWR01" H 2300 2600 50  0001 C CNN
F 1 "GND" H 2305 2677 50  0000 C CNN
F 2 "" H 2300 2850 50  0001 C CNN
F 3 "" H 2300 2850 50  0001 C CNN
	1    2300 2850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5E94E046
P 3750 2850
F 0 "#PWR02" H 3750 2600 50  0001 C CNN
F 1 "GND" H 3755 2677 50  0000 C CNN
F 2 "" H 3750 2850 50  0001 C CNN
F 3 "" H 3750 2850 50  0001 C CNN
	1    3750 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 2850 2300 2750
Wire Wire Line
	3750 2850 3750 2750
$Comp
L power:GND #PWR05
U 1 1 5E954AB9
P 4150 3750
F 0 "#PWR05" H 4150 3500 50  0001 C CNN
F 1 "GND" H 4155 3577 50  0000 C CNN
F 2 "" H 4150 3750 50  0001 C CNN
F 3 "" H 4150 3750 50  0001 C CNN
	1    4150 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 3750 4150 3700
$Comp
L Device:C C5
U 1 1 5E955467
P 3800 4450
F 0 "C5" H 3915 4496 50  0000 L CNN
F 1 "2.2u" H 3915 4405 50  0000 L CNN
F 2 "" H 3838 4300 50  0001 C CNN
F 3 "~" H 3800 4450 50  0001 C CNN
	1    3800 4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 4300 3800 4200
Wire Wire Line
	3800 3500 3950 3500
$Comp
L Device:R R5
U 1 1 5E95609E
P 3800 4850
F 0 "R5" H 3870 4896 50  0000 L CNN
F 1 "4k7" H 3870 4805 50  0000 L CNN
F 2 "" V 3730 4850 50  0001 C CNN
F 3 "~" H 3800 4850 50  0001 C CNN
	1    3800 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 4700 3800 4600
$Comp
L power:GND #PWR04
U 1 1 5E95735E
P 3800 5100
F 0 "#PWR04" H 3800 4850 50  0001 C CNN
F 1 "GND" H 3805 4927 50  0000 C CNN
F 2 "" H 3800 5100 50  0001 C CNN
F 3 "" H 3800 5100 50  0001 C CNN
	1    3800 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 5100 3800 5000
$Comp
L Device:R R6
U 1 1 5E95CDA0
P 4350 4200
F 0 "R6" V 4143 4200 50  0000 C CNN
F 1 "100k" V 4234 4200 50  0000 C CNN
F 2 "" V 4280 4200 50  0001 C CNN
F 3 "~" H 4350 4200 50  0001 C CNN
	1    4350 4200
	0    1    1    0   
$EndComp
Wire Wire Line
	4200 4200 3800 4200
Connection ~ 3800 4200
Wire Wire Line
	3800 4200 3800 3500
Wire Wire Line
	4500 4200 4600 4200
Wire Wire Line
	4600 4200 4600 3400
Wire Wire Line
	4600 3400 4550 3400
$Comp
L Device:D D2
U 1 1 5E95E389
P 4600 4500
F 0 "D2" V 4554 4579 50  0000 L CNN
F 1 "D" V 4645 4579 50  0000 L CNN
F 2 "" H 4600 4500 50  0001 C CNN
F 3 "~" H 4600 4500 50  0001 C CNN
	1    4600 4500
	0    1    1    0   
$EndComp
$Comp
L Amplifier_Audio:TDA2030 U1
U 1 1 5E9303C6
P 4250 3400
F 0 "U1" H 4594 3446 50  0000 L CNN
F 1 "TDA2030" H 4594 3355 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical" H 4250 3400 50  0001 C CIN
F 3 "http://www.st.com/resource/en/datasheet/cd00000128.pdf" H 4250 3400 50  0001 C CNN
	1    4250 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 4350 4600 4200
Connection ~ 4600 4200
$Comp
L power:GND #PWR06
U 1 1 5E96169D
P 4600 4800
F 0 "#PWR06" H 4600 4550 50  0001 C CNN
F 1 "GND" H 4605 4627 50  0000 C CNN
F 2 "" H 4600 4800 50  0001 C CNN
F 3 "" H 4600 4800 50  0001 C CNN
	1    4600 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 4800 4600 4650
$Comp
L Device:D D1
U 1 1 5E9623DA
P 4600 2600
F 0 "D1" V 4554 2679 50  0000 L CNN
F 1 "D" V 4645 2679 50  0000 L CNN
F 2 "" H 4600 2600 50  0001 C CNN
F 3 "~" H 4600 2600 50  0001 C CNN
	1    4600 2600
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 2750 4600 3400
Connection ~ 4600 3400
Wire Wire Line
	4600 2450 4600 2350
Wire Wire Line
	4600 2350 4150 2350
Connection ~ 4150 2350
$Comp
L Device:R R7
U 1 1 5E967089
P 5000 3750
F 0 "R7" H 5070 3796 50  0000 L CNN
F 1 "1" H 5070 3705 50  0000 L CNN
F 2 "" V 4930 3750 50  0001 C CNN
F 3 "~" H 5000 3750 50  0001 C CNN
	1    5000 3750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C6
U 1 1 5E967648
P 5000 4150
F 0 "C6" H 5115 4196 50  0000 L CNN
F 1 "0.1u" H 5115 4105 50  0000 L CNN
F 2 "" H 5038 4000 50  0001 C CNN
F 3 "~" H 5000 4150 50  0001 C CNN
	1    5000 4150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR07
U 1 1 5E967B1B
P 5000 4400
F 0 "#PWR07" H 5000 4150 50  0001 C CNN
F 1 "GND" H 5005 4227 50  0000 C CNN
F 2 "" H 5000 4400 50  0001 C CNN
F 3 "" H 5000 4400 50  0001 C CNN
	1    5000 4400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C7
U 1 1 5E967F8E
P 5350 3400
F 0 "C7" V 5098 3400 50  0000 C CNN
F 1 "2200u" V 5189 3400 50  0000 C CNN
F 2 "" H 5388 3250 50  0001 C CNN
F 3 "~" H 5350 3400 50  0001 C CNN
	1    5350 3400
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 3400 5000 3400
Wire Wire Line
	5000 3600 5000 3400
Connection ~ 5000 3400
Wire Wire Line
	5000 3400 5200 3400
Wire Wire Line
	5000 3900 5000 4000
Wire Wire Line
	5000 4300 5000 4400
$Comp
L Connector:Conn_01x01_Male J3
U 1 1 5E96C10D
P 5800 3400
F 0 "J3" H 5772 3332 50  0000 R CNN
F 1 "7 / 9: speaker signal out" H 5772 3423 50  0000 R CNN
F 2 "" H 5800 3400 50  0001 C CNN
F 3 "~" H 5800 3400 50  0001 C CNN
	1    5800 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	5500 3400 5600 3400
Wire Wire Line
	2300 2350 3100 2350
Wire Wire Line
	3750 2450 3750 2350
Connection ~ 3750 2350
Wire Wire Line
	3750 2350 4150 2350
$Comp
L Connector:Conn_01x01_Male J4
U 1 1 5E989AED
P 2000 4750
F 0 "J4" H 2108 4931 50  0000 C CNN
F 1 "1, 2: GND" H 2108 4840 50  0000 C CNN
F 2 "" H 2000 4750 50  0001 C CNN
F 3 "~" H 2000 4750 50  0001 C CNN
	1    2000 4750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5E98A1F3
P 2350 4900
F 0 "#PWR08" H 2350 4650 50  0001 C CNN
F 1 "GND" H 2355 4727 50  0000 C CNN
F 2 "" H 2350 4900 50  0001 C CNN
F 3 "" H 2350 4900 50  0001 C CNN
	1    2350 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 4900 2350 4750
Wire Wire Line
	2350 4750 2200 4750
$EndSCHEMATC