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NO SOUND DVD/CD ANALOG
AUDIO
Is there signal at pins
113, 114, 115 and
116 of IC4001?
Yes
Is there signal at pins 1
and 7 of IC8501?
Yes
Does CD8501 connected?
Yes
Change DIGITAL PCB.
NO SOUND DVD/CD DIGITAL
AUDIO
Is there signal at pin1
of CP8501?
No
Is there signal at
pin122 of IC4001?
No
Change IC4001.
All manuals and user guides at all-guides.com
TROUBLESHOOTING GUIDE
No
No
No
Yes
Yes
Check pins 1 and 7 of IC8501
and peripheral circuit.
E-9
Change IC4001.
Connected CD8501.
Change DIGITAL PCB.
Check line circuit IC4001
to CP8501.
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