Sanyo PLC-WM5500 - Troubleshooting: No Sound

-73-
Troubleshooting
INPUT1 INPUT2 INPUT3
IC5001
AUDIO-SW
<NJW1156>
A/V
MAIN
SPEAKER
SP901
6,16
7 15 9 10
4
22
439 342 345 444 355
15
2
5,17 3,20
AUDIO
OUT
L,R
K21A K10A
Q5061/Q5063
Q8810
Q5062 Q5064
IC001
AUDIO
OUT
<LV49152V-EP>
Q1361 Q1363
1 3
K8F
IC301
SCAN
CONVERTER
&
SYSTEM
CONTROL
<PW392>
PW_SCL0
OUT_DET OUT_DET_EX
AV_SHUT_DOWN
PW_SDA0
PW_SDA0_S5V
PW_SCL0_S5V
AUDIO
PC_R/L
BNC_R/L RCA_R/L
MUTE_OUT
MUTE_SP
Q5034
Q036
Mute On: H
25
MUTE_OUT
Mute On: H
AV SHUTDOWN: H
26
20
6
Q5032 Q5031
4 2
OUT_R/L
No Sound