sound.sch

EESchema Schematic File Version 4
LIBS:All Spectrums-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 17
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L All-Spectrums-rescue:Audio-Jack-3_2Switches-Connector_Specialized J5
U 1 1 5B306A4F
P 4800 1600
F 0 "J5" H 4513 1670 50  0000 R CNN
F 1 "EAR" H 4513 1579 50  0000 R CNN
F 2 "SINCLAIR:AUDIO-JACK" H 5050 1700 50  0001 C CNN
F 3 "~" H 5050 1700 50  0001 C CNN
	1    4800 1600
	-1   0    0    -1  
$EndComp
$Comp
L All-Spectrums-rescue:Audio-Jack-3_2Switches-Connector_Specialized J6
U 1 1 5B306B5F
P 4800 3650
F 0 "J6" H 4512 3720 50  0000 R CNN
F 1 "MIC" H 4512 3629 50  0000 R CNN
F 2 "SINCLAIR:AUDIO-JACK" H 5050 3750 50  0001 C CNN
F 3 "~" H 5050 3750 50  0001 C CNN
	1    4800 3650
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5B306BB5
P 5000 1850
F 0 "#PWR0108" H 5000 1600 50  0001 C CNN
F 1 "GND" H 5005 1677 50  0000 C CNN
F 2 "" H 5000 1850 50  0001 C CNN
F 3 "" H 5000 1850 50  0001 C CNN
	1    5000 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5B306BFB
P 5000 3900
F 0 "#PWR0109" H 5000 3650 50  0001 C CNN
F 1 "GND" H 5005 3727 50  0000 C CNN
F 2 "" H 5000 3900 50  0001 C CNN
F 3 "" H 5000 3900 50  0001 C CNN
	1    5000 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 3850 5000 3900
NoConn ~ 4600 3750
NoConn ~ 4600 3450
NoConn ~ 4600 1700
NoConn ~ 4600 1400
$Comp
L Device:Speaker LS1
U 1 1 5B316323
P 5750 6700
F 0 "LS1" H 5920 6696 50  0000 L CNN
F 1 "Speaker" H 5920 6605 50  0000 L CNN
F 2 "Buzzer_Beeper:Buzzer_15x7.5RM7.6" H 5750 6500 50  0001 C CNN
F 3 "~" H 5740 6650 50  0001 C CNN
	1    5750 6700
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x03 J9
U 1 1 5B3164B1
P 5600 6200
F 0 "J9" H 5680 6242 50  0000 L CNN
F 1 "Conn_01x03" H 5680 6151 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 5600 6200 50  0001 C CNN
F 3 "~" H 5600 6200 50  0001 C CNN
	1    5600 6200
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:BC548 Q9
U 1 1 5B3165AC
P 5000 5900
F 0 "Q9" H 5191 5946 50  0000 L CNN
F 1 "BC548" H 5191 5855 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 5200 5825 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 5000 5900 50  0001 L CNN
	1    5000 5900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 5B316647
P 5450 6900
F 0 "#PWR0111" H 5450 6650 50  0001 C CNN
F 1 "GND" H 5455 6727 50  0000 C CNN
F 2 "" H 5450 6900 50  0001 C CNN
F 3 "" H 5450 6900 50  0001 C CNN
	1    5450 6900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5B31665C
P 5250 6400
F 0 "#PWR0112" H 5250 6150 50  0001 C CNN
F 1 "GND" H 5255 6227 50  0000 C CNN
F 2 "" H 5250 6400 50  0001 C CNN
F 3 "" H 5250 6400 50  0001 C CNN
	1    5250 6400
	1    0    0    -1  
$EndComp
Text GLabel 3750 5250 0    50   Input ~ 0
EAR
Text GLabel 3750 5900 0    50   Input ~ 0
SPK
$Comp
L Device:D D2
U 1 1 5B316775
P 4050 5900
F 0 "D2" H 4050 5684 50  0000 C CNN
F 1 "1N4148" H 4050 5775 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 4050 5900 50  0001 C CNN
F 3 "~" H 4050 5900 50  0001 C CNN
	1    4050 5900
	-1   0    0    1   
$EndComp
$Comp
L Device:R R5
U 1 1 5B316815
P 4500 5600
F 0 "R5" H 4570 5646 50  0000 L CNN
F 1 "22K" H 4570 5555 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4430 5600 50  0001 C CNN
F 3 "~" H 4500 5600 50  0001 C CNN
	1    4500 5600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 5B3168CB
P 4050 5250
F 0 "C4" H 4165 5296 50  0000 L CNN
F 1 "100n" H 4165 5205 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 4088 5100 50  0001 C CNN
F 3 "~" H 4050 5250 50  0001 C CNN
	1    4050 5250
	0    -1   -1   0   
$EndComp
$Comp
L power:+5V #PWR0113
U 1 1 5B316B4A
P 5100 5550
F 0 "#PWR0113" H 5100 5400 50  0001 C CNN
F 1 "+5V" H 5115 5723 50  0000 C CNN
F 2 "" H 5100 5550 50  0001 C CNN
F 3 "" H 5100 5550 50  0001 C CNN
	1    5100 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 6400 5250 6300
Wire Wire Line
	5250 6300 5400 6300
Wire Wire Line
	5100 6100 5400 6100
Wire Wire Line
	5400 6200 5000 6200
Wire Wire Line
	5000 6200 5000 6700
Wire Wire Line
	5000 6700 5550 6700
Wire Wire Line
	5550 6800 5450 6800
Wire Wire Line
	5450 6800 5450 6900
Wire Wire Line
	5100 5550 5100 5700
Wire Wire Line
	4200 5900 4500 5900
Wire Wire Line
	4500 5750 4500 5900
Connection ~ 4500 5900
Wire Wire Line
	4500 5900 4800 5900
$Comp
L Device:C C16
U 1 1 5B4F3F41
P 4200 1800
F 0 "C16" H 4315 1846 50  0000 L CNN
F 1 "1n" H 4315 1755 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 4238 1650 50  0001 C CNN
F 3 "~" H 4200 1800 50  0001 C CNN
	1    4200 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C15
U 1 1 5B4F3FB1
P 2900 1600
F 0 "C15" H 3015 1646 50  0000 L CNN
F 1 "100n" H 3015 1555 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 2938 1450 50  0001 C CNN
F 3 "~" H 2900 1600 50  0001 C CNN
	1    2900 1600
	0    1    1    0   
$EndComp
$Comp
L Device:R R34
U 1 1 5B4F4043
P 3850 1800
F 0 "R34" H 3920 1846 50  0000 L CNN
F 1 "10K" H 3920 1755 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3780 1800 50  0001 C CNN
F 3 "~" H 3850 1800 50  0001 C CNN
	1    3850 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:R R33
U 1 1 5B4F40BF
P 3550 1600
F 0 "R33" H 3620 1646 50  0000 L CNN
F 1 "12K" H 3620 1555 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3480 1600 50  0001 C CNN
F 3 "~" H 3550 1600 50  0001 C CNN
	1    3550 1600
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR050
U 1 1 5B4F43B3
P 4200 2000
F 0 "#PWR050" H 4200 1750 50  0001 C CNN
F 1 "GND" H 4205 1827 50  0000 C CNN
F 2 "" H 4200 2000 50  0001 C CNN
F 3 "" H 4200 2000 50  0001 C CNN
	1    4200 2000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR049
U 1 1 5B4F43D6
P 3850 2000
F 0 "#PWR049" H 3850 1750 50  0001 C CNN
F 1 "GND" H 3855 1827 50  0000 C CNN
F 2 "" H 3850 2000 50  0001 C CNN
F 3 "" H 3850 2000 50  0001 C CNN
	1    3850 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 1800 5000 1850
Wire Wire Line
	4200 1950 4200 2000
Wire Wire Line
	3850 1950 3850 2000
Wire Wire Line
	4600 1600 4450 1600
Wire Wire Line
	3850 1650 3850 1600
Connection ~ 3850 1600
Wire Wire Line
	3850 1600 3700 1600
Wire Wire Line
	4200 1650 4200 1600
Connection ~ 4200 1600
Wire Wire Line
	4200 1600 3850 1600
Wire Wire Line
	3400 1600 3200 1600
$Comp
L Device:D_Zener D3
U 1 1 5B4F5782
P 3200 1200
F 0 "D3" V 3154 1279 50  0000 L CNN
F 1 "1N4047a" V 3245 1279 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 3200 1200 50  0001 C CNN
F 3 "~" H 3200 1200 50  0001 C CNN
	1    3200 1200
	0    1    1    0   
$EndComp
Wire Wire Line
	3200 1350 3200 1600
Connection ~ 3200 1600
Wire Wire Line
	3200 1600 3050 1600
$Comp
L Device:C C14
U 1 1 5B4F5DBD
P 2450 1400
F 0 "C14" H 2565 1446 50  0000 L CNN
F 1 "1n" H 2565 1355 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 2488 1250 50  0001 C CNN
F 3 "~" H 2450 1400 50  0001 C CNN
	1    2450 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:R R35
U 1 1 5B4F5FD3
P 1450 1850
F 0 "R35" H 1520 1896 50  0000 L CNN
F 1 "470" H 1520 1805 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 1380 1850 50  0001 C CNN
F 3 "~" H 1450 1850 50  0001 C CNN
	1    1450 1850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C13
U 1 1 5B4F604F
P 1500 1000
F 0 "C13" H 1615 1046 50  0000 L CNN
F 1 "100n" H 1615 955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 1538 850 50  0001 C CNN
F 3 "~" H 1500 1000 50  0001 C CNN
	1    1500 1000
	0    1    1    0   
$EndComp
$Comp
L power:+5V #PWR046
U 1 1 5B4F69E4
P 3200 1000
F 0 "#PWR046" H 3200 850 50  0001 C CNN
F 1 "+5V" H 3215 1173 50  0000 C CNN
F 2 "" H 3200 1000 50  0001 C CNN
F 3 "" H 3200 1000 50  0001 C CNN
	1    3200 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 1400 2150 1200
Wire Wire Line
	2150 1200 2450 1200
Wire Wire Line
	2450 1200 2450 1250
Wire Wire Line
	2150 1600 2450 1600
Wire Wire Line
	2450 1550 2450 1600
Connection ~ 2450 1600
Wire Wire Line
	3200 1000 3200 1050
$Comp
L power:+5V #PWR045
U 1 1 5B4F85EE
P 1950 950
F 0 "#PWR045" H 1950 800 50  0001 C CNN
F 1 "+5V" H 1965 1123 50  0000 C CNN
F 2 "" H 1950 950 50  0001 C CNN
F 3 "" H 1950 950 50  0001 C CNN
	1    1950 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 1200 1950 1000
Wire Wire Line
	1650 1000 1850 1000
Connection ~ 1950 1000
Wire Wire Line
	1950 1000 1950 950 
$Comp
L power:GND #PWR048
U 1 1 5B4F931F
P 1950 1900
F 0 "#PWR048" H 1950 1650 50  0001 C CNN
F 1 "GND" H 1955 1727 50  0000 C CNN
F 2 "" H 1950 1900 50  0001 C CNN
F 3 "" H 1950 1900 50  0001 C CNN
	1    1950 1900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR047
U 1 1 5B4F934C
P 1250 1050
F 0 "#PWR047" H 1250 800 50  0001 C CNN
F 1 "GND" H 1255 877 50  0000 C CNN
F 2 "" H 1250 1050 50  0001 C CNN
F 3 "" H 1250 1050 50  0001 C CNN
	1    1250 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 1800 1950 1900
Wire Wire Line
	1350 1000 1250 1000
Wire Wire Line
	1250 1000 1250 1050
Wire Wire Line
	2650 1600 2650 2200
Wire Wire Line
	2650 2200 1450 2200
Wire Wire Line
	1450 2200 1450 2000
Wire Wire Line
	2450 1600 2650 1600
Connection ~ 2650 1600
Wire Wire Line
	2650 1600 2750 1600
$Comp
L ALEA:TL712 U8
U 1 1 5B4FDF43
P 1850 1500
F 0 "U8" H 1850 1114 50  0000 C CNN
F 1 "TL712" H 1850 1023 50  0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_LongPads" H 1850 1500 50  0001 C CNN
F 3 "http://www.analog.com/media/en/technical-documentation/obsolete-data-sheets/139484016SSM2017.pdf" H 1850 1500 50  0001 C CNN
	1    1850 1500
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1850 1200 1850 1000
Connection ~ 1850 1000
Wire Wire Line
	1850 1000 1950 1000
Wire Wire Line
	1550 1600 1450 1600
Wire Wire Line
	1450 1600 1450 1700
Text GLabel 900  1500 0    50   Input ~ 0
EAR
Wire Wire Line
	1550 1500 900  1500
Wire Wire Line
	4200 5250 4500 5250
Wire Wire Line
	4500 5250 4500 5450
$Comp
L Device:C C18
U 1 1 5B50D469
P 3750 3900
F 0 "C18" H 3865 3946 50  0000 L CNN
F 1 "3.3n" H 3865 3855 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 3788 3750 50  0001 C CNN
F 3 "~" H 3750 3900 50  0001 C CNN
	1    3750 3900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR051
U 1 1 5B50D53B
P 3750 4150
F 0 "#PWR051" H 3750 3900 50  0001 C CNN
F 1 "GND" H 3755 3977 50  0000 C CNN
F 2 "" H 3750 4150 50  0001 C CNN
F 3 "" H 3750 4150 50  0001 C CNN
	1    3750 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C17
U 1 1 5B50D56A
P 4250 3650
F 0 "C17" H 4365 3696 50  0000 L CNN
F 1 "100n" H 4365 3605 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 4288 3500 50  0001 C CNN
F 3 "~" H 4250 3650 50  0001 C CNN
	1    4250 3650
	0    1    1    0   
$EndComp
$Comp
L Device:R R36
U 1 1 5B50DBC2
P 3200 3650
F 0 "R36" H 3270 3696 50  0000 L CNN
F 1 "33K" H 3270 3605 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3130 3650 50  0001 C CNN
F 3 "~" H 3200 3650 50  0001 C CNN
	1    3200 3650
	0    -1   -1   0   
$EndComp
Text GLabel 2750 3650 0    50   Input ~ 0
MIC
Wire Wire Line
	3050 3650 2750 3650
Wire Wire Line
	3750 3750 3750 3650
Wire Wire Line
	3750 4150 3750 4050
$Comp
L Device:R R37
U 1 1 5B51278F
P 3200 4050
F 0 "R37" H 3270 4096 50  0000 L CNN
F 1 "12K" H 3270 4005 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 3130 4050 50  0001 C CNN
F 3 "~" H 3200 4050 50  0001 C CNN
	1    3200 4050
	0    -1   -1   0   
$EndComp
Text GLabel 2750 4050 0    50   Input ~ 0
SPK
Wire Wire Line
	3450 3650 3450 4050
Wire Wire Line
	3450 4050 3350 4050
Connection ~ 3450 3650
Wire Wire Line
	3450 3650 3350 3650
Wire Wire Line
	3050 4050 2750 4050
Wire Wire Line
	3450 3650 3750 3650
Wire Wire Line
	4400 3650 4450 3650
Wire Wire Line
	4100 3650 3750 3650
Connection ~ 3750 3650
NoConn ~ 4600 3550
NoConn ~ 4600 1500
$Comp
L All-Spectrums-rescue:Audio-Jack-3_2Switches-Connector_Specialized J16
U 1 1 5B593E48
P 4800 2700
F 0 "J16" H 4512 2770 50  0000 R CNN
F 1 "PLUS3_EAR_MIC" H 4512 2679 50  0000 R CNN
F 2 "SINCLAIR:AUDIO-JACK" H 5050 2800 50  0001 C CNN
F 3 "~" H 5050 2800 50  0001 C CNN
	1    4800 2700
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4450 2700 4450 3650
Connection ~ 4450 3650
Wire Wire Line
	4450 3650 4600 3650
Wire Wire Line
	4450 2600 4450 2350
Connection ~ 4450 1600
Wire Wire Line
	4450 1600 4200 1600
NoConn ~ 4600 2500
NoConn ~ 4600 2800
$Comp
L power:GND #PWR0131
U 1 1 5B59A1FB
P 5000 2950
F 0 "#PWR0131" H 5000 2700 50  0001 C CNN
F 1 "GND" H 5005 2777 50  0000 C CNN
F 2 "" H 5000 2950 50  0001 C CNN
F 3 "" H 5000 2950 50  0001 C CNN
	1    5000 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 2900 5000 2950
Wire Wire Line
	4450 2700 4600 2700
Wire Wire Line
	4450 2600 4600 2600
$Comp
L All-Spectrums-rescue:Audio-Jack-3_2Switches-Connector_Specialized J15
U 1 1 5BA60F92
P 8700 1500
F 0 "J15" H 8413 1570 50  0000 R CNN
F 1 "EAR" H 8413 1479 50  0000 R CNN
F 2 "SINCLAIR:AUDIO-JACK" H 8950 1600 50  0001 C CNN
F 3 "~" H 8950 1600 50  0001 C CNN
	1    8700 1500
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5BA60FA0
P 8900 1800
F 0 "#PWR0132" H 8900 1550 50  0001 C CNN
F 1 "GND" H 8905 1627 50  0000 C CNN
F 2 "" H 8900 1800 50  0001 C CNN
F 3 "" H 8900 1800 50  0001 C CNN
	1    8900 1800
	1    0    0    -1  
$EndComp
NoConn ~ 8500 1600
NoConn ~ 8500 1300
Wire Wire Line
	8900 1700 8900 1800
NoConn ~ 8500 1400
Wire Wire Line
	3750 5900 3900 5900
Wire Wire Line
	3750 5250 3900 5250
Wire Wire Line
	8300 1500 8400 1500
$Comp
L Device:D D32
U 1 1 5BAE3EBF
P 7400 1800
F 0 "D32" H 7400 1584 50  0000 C CNN
F 1 "1N4148" H 7400 1675 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 7400 1800 50  0001 C CNN
F 3 "~" H 7400 1800 50  0001 C CNN
	1    7400 1800
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C37
U 1 1 5BAE4209
P 7050 1800
F 0 "C37" H 7165 1846 50  0000 L CNN
F 1 "1n" H 7165 1755 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 7088 1650 50  0001 C CNN
F 3 "~" H 7050 1800 50  0001 C CNN
	1    7050 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:R R72
U 1 1 5BAE4459
P 6750 1500
F 0 "R72" H 6820 1546 50  0000 L CNN
F 1 "12K" H 6820 1455 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 6680 1500 50  0001 C CNN
F 3 "~" H 6750 1500 50  0001 C CNN
	1    6750 1500
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C36
U 1 1 5BAE4515
P 7700 1500
F 0 "C36" H 7815 1546 50  0000 L CNN
F 1 "100n" H 7815 1455 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 7738 1350 50  0001 C CNN
F 3 "~" H 7700 1500 50  0001 C CNN
	1    7700 1500
	0    1    -1   0   
$EndComp
$Comp
L Device:R R73
U 1 1 5BAE49E1
P 8150 1500
F 0 "R73" H 8220 1546 50  0000 L CNN
F 1 "12K" H 8220 1455 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8080 1500 50  0001 C CNN
F 3 "~" H 8150 1500 50  0001 C CNN
	1    8150 1500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R71
U 1 1 5BAE4A8D
P 6150 1050
F 0 "R71" H 6220 1096 50  0000 L CNN
F 1 "10K" H 6220 1005 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 6080 1050 50  0001 C CNN
F 3 "~" H 6150 1050 50  0001 C CNN
	1    6150 1050
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:BC848 Q14
U 1 1 5BAE57D8
P 6250 1500
F 0 "Q14" H 6440 1546 50  0000 L CNN
F 1 "BC848" H 6440 1455 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 6450 1425 50  0001 L CIN
F 3 "http://www.infineon.com/dgdl/Infineon-BC847SERIES_BC848SERIES_BC849SERIES_BC850SERIES-DS-v01_01-en.pdf?fileId=db3a304314dca389011541d4630a1657" H 6250 1500 50  0001 L CNN
	1    6250 1500
	-1   0    0    -1  
$EndComp
Text GLabel 6000 1250 0    50   Input ~ 0
EAR
Wire Wire Line
	8000 1500 7850 1500
Wire Wire Line
	7050 1650 7050 1500
Connection ~ 7050 1500
Wire Wire Line
	7050 1500 6900 1500
Wire Wire Line
	7400 1650 7400 1500
Connection ~ 7400 1500
Wire Wire Line
	7400 1500 7050 1500
Wire Wire Line
	6150 1200 6150 1250
Wire Wire Line
	6000 1250 6150 1250
Connection ~ 6150 1250
Wire Wire Line
	6150 1250 6150 1300
Wire Wire Line
	6450 1500 6600 1500
$Comp
L power:GND #PWR0133
U 1 1 5BB070BD
P 7400 2000
F 0 "#PWR0133" H 7400 1750 50  0001 C CNN
F 1 "GND" H 7405 1827 50  0000 C CNN
F 2 "" H 7400 2000 50  0001 C CNN
F 3 "" H 7400 2000 50  0001 C CNN
	1    7400 2000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0134
U 1 1 5BB07116
P 7050 2000
F 0 "#PWR0134" H 7050 1750 50  0001 C CNN
F 1 "GND" H 7055 1827 50  0000 C CNN
F 2 "" H 7050 2000 50  0001 C CNN
F 3 "" H 7050 2000 50  0001 C CNN
	1    7050 2000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0135
U 1 1 5BB0716F
P 6150 2000
F 0 "#PWR0135" H 6150 1750 50  0001 C CNN
F 1 "GND" H 6155 1827 50  0000 C CNN
F 2 "" H 6150 2000 50  0001 C CNN
F 3 "" H 6150 2000 50  0001 C CNN
	1    6150 2000
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0136
U 1 1 5BB07300
P 6150 800
F 0 "#PWR0136" H 6150 650 50  0001 C CNN
F 1 "+5V" H 6165 973 50  0000 C CNN
F 2 "" H 6150 800 50  0001 C CNN
F 3 "" H 6150 800 50  0001 C CNN
	1    6150 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 800  6150 900 
Wire Wire Line
	6150 1700 6150 2000
Wire Wire Line
	8400 1500 8400 2350
Wire Wire Line
	8400 2350 4450 2350
Connection ~ 8400 1500
Wire Wire Line
	8400 1500 8500 1500
Connection ~ 4450 2350
Wire Wire Line
	4450 2350 4450 1600
Wire Wire Line
	7050 1950 7050 2000
Wire Wire Line
	7400 1950 7400 2000
Wire Wire Line
	7550 1500 7400 1500
Wire Notes Line
	5650 500  5650 2550
Wire Notes Line
	5650 2550 9350 2550
Wire Notes Line
	9350 2550 9350 500 
Wire Notes Line
	9350 500  5650 500 
Wire Notes Line
	600  550  600  2400
Wire Notes Line
	600  2400 4300 2400
Wire Notes Line
	4300 2400 4300 2250
Wire Notes Line
	4300 2250 5450 2250
Wire Notes Line
	5450 2250 5450 550 
Wire Notes Line
	5450 550  600  550 
Wire Notes Line
	4500 2400 4500 3300
Wire Notes Line
	4500 3300 5700 3300
Wire Notes Line
	5700 3300 5700 2600
Wire Notes Line
	5700 2600 5400 2600
Wire Notes Line
	5400 2600 5400 2400
Wire Notes Line
	5400 2400 4500 2400
Text Notes 5850 2800 0    50   Italic 10
Dos circuitos alternativos para el EAR\nDos opciones de conectores, separados tipo 48K, o juntos tipo +2A/+3
$EndSCHEMATC