Hitachi P50T01E - Audio Troubleshooting; Input Signal Audio Diagnostics

23
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
[Sound troubleshooting]
Which input is abnormal?
Sound is abnormal
C
No
Yes
Are all inputs no sound?
HDMI
Same as HDMI (Picture)
troubleshooting
DTT
Same as DTT (Picture)
troubleshooting
RF (analog)/ AV1/2/3/4/5
D
d
c
Are all analog inputs
with no sound?
Which input is abnormal?
Yes
No
RF (analog tuner)
AV1/2/3/4/5
AV1/2/3/4/5
RF (analog tuner)
Change Terminal PCB
If no improvement,
change MAIN PCB
Change MAIN PCB
If no improvement,
change Terminal PCB
E