E-E Audio (Mono) - JVC HR-A60Uc Service Manual

NO E-E AUDIO (MONO)
Is the voltage at pins 52,
68 and 77 of IC4001 5V?
Yes
Does signal appear
at pin 78 of IC4001?
Yes
Does signal appear
at pin 10 of IC4001?
Yes
Check J4201.
TROUBLESHOOTING GUIDE
No
No
No
Check POWER BLOCK.
Check J4204 and J4205.
Replace IC4001.
1-39