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4-1-2 No Output
No Output
Check all function
(CD/DVD, Tuner, AUX).
Check MAIN PCB
FIC1 R2S15904 input and
output signal
1 / 2
Check MAIN PCB
AIC1 Pin 23: Low Mute; High Normal
FIC1 Pin 24: 9V
Check MAIN PCB
PT01 Pin 9: -24V and
Pin 10: +24V
Replace AAIC1
Samsung Electronics
All manuals and user guides at all-guides.com
Only CD/DVD/USB
Yes
All function fail
Input signal fail
Yes
Input fine but output fail
Refer to wave pattern
Yes
image of Fig. 4-3-1
and Fig. 4-3-2.
Yes
No
Check MPEG PCB
No
Check AUX signal input and signal
No
Check MICOM IC "UIC1"
Pin 44: Low Normal, High Mute
No
Check SMPS stage
(All power source check)
Troubleshooting
pattern
4-5
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