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TROUBLESHOOTING GUIDE
Does this have signal at
pins 113, 114, 115 and
116 of IC4001?
Does this have signal at
pins 1 and 7 of IC8501?
Is CD8501 connected?
Check pins 1 and 7 of IC8501
and peripheral circuit.
NO SOUND DVD/CD ANALOG
AUDIO
No
Change IC4001.
Connected CD8501.
No
Yes
No
Yes
Yes
Change DIGITAL PCB.
Does this have signal
at pin1 of CP8501?
Check line circuit IC4001
to CP8501.
Yes
NO SOUND DVD/CD DIGITAL
AUDIO
No
Change IC4001.
Yes
No
Change DIGITAL PCB.
Does this have signal
at pin122 of IC4001?
E-13
19LV610U/22LV610U/26LV610U