TROUBLESHOOTING GUIDE
E-6
Yes
NO PLAYBACK PICTURE
No
Does E-E appear on
the Monitor TV ?
No
Yes
No
Yes
Is the voltage at pins
23, 45, 52, 68 and 77
of IC4501 5V ?
Check Power circuit.
Is there Y/C signal at pin
26 of IC4501 ?
Replace IC4501.
Check IC601 and peripheral circuit.
NO COLOR DURING PLAYBACK
No
No
Yes
Yes
Does FM ENVELOPE
appear at TP4501 ?
Does CHROMA signal
at pin 26 of IC4501 ?
Check TV Block.
Check IC4501 and HEAD AMP
BLOCK.
Replace IC4501.
