Hitachi CML176SXW Service Manual page 56

V-AUDIO V-AUDIO
C501
0.1u
AUDIO_GND AUDIO_GND
CN302
L501 BLM21P300S R503 20K
3
L502 BLM21P300S
2
L503 BLM21P300S R504 20K
1
CON3 R501 R502
0# 620#
AUDIO_GND
2,5 PD-AUDIO
2 MUTE
AUDIO_VOL
for AR877/899 : add 513 delete R515,R518
for EM989/JP877 : add R511, R515,R518
+ C502
V-AUDIO
470uF/6.3V
C505
0.1u
U501
4
Mode
C503 0.33uF
12
Vin A
R505 20K 13
Vo A
C504 0.33uF
10
Vin B
R506 20K 9
VO B
7
Vol DC
R507 BEAD 2
Shutdown
R508 BEAD 5
Mute
22
Bypass
R509 R510
100k 100k
C512
+ C507
0.1u
4.7uF/16V
AUDIO_GND AUDIO_GND AUDIO_GND
R513 0
R511 4.7k#
C506
2.2uF
GND_AUDIO
C508 68P
V-AUDIO
V-AUDIO
R512 10k R514 20k
R515
100K#
C509
17
-OUT A
15
A +OUT
21 R518 100K#
HP-IN
R519
26 C510 220uF/10V
B -OUT
LM4838
28
+OUT B
R522 10k R524 20k
C51168P
V-AUDIO
R517
220uF/10V 1k
R516 100
CN301
1
VR
2
L+
3
L-
4
AGND
5
HP-S
6
HP-L
7
HP-R
100
8
AGND
9
R+
10
R-
11
CON11
R521 R520
1k 1k
AUDIO_GND AUDIO_GND
VL-750 Sheet 6