Philips MCM233 - Headphone Board Diagrams; Headphone Board Circuit Diagram

CIRCUIT DIAGARM - HEADPHONE BOARD
7 - 1 7 - 1
JACK BOARD
NO Headphone 0
YES Headphone 1
J501
HP JACK
1
2
3
4
USB501
USB
L
R
G
J502
AUX JACK
C513
220/10
C506
102
C517
102
C514
220/10
R508
15K
C503
225
R501
15K
C509
225
R510 22K
R503
15K
R511
22K
R509
15K
1
OUT1
2
IN1-
3
IN1+
4
GND
5
IN2+
6
IN2-
7
OUT2
8
VCC
IC501
ETK4800
C510
220P
C505
220P
C511
104
C515
100/10
R532
100K
C564
100/10
Q504
C8050
R533
22K
1
2
3
4
5
6
7
8
9
10
CN502
TO main BD
Q502
C8050
R536
22K
R535
22K
R534
1K
Q503
8550
D501
IN4148
R537
22K
1
2
3
4
5
6
CN501
L513
0
L514 0
L515
0
L516
0
L510
0
L511
0
L512
0
C518
102
C519
102
R513
22K
R505
22K
R515
22K
R512
22K
L501
0
L504
0
L506
0
L505
0
L509
0
C563
100/10
C565
104
HP_LCH
HP_RCH
VDD
VDD
HP_DET
AUX_LCH
GND
AUX_RCH
MUTE
GND
VDD
OUT_L
OUT_R