Toshiba MW27H63 Service And Owner's Manual page 82

NO COLOR DURING SELF
RECORDING AND PLAYBACK
Does VIDEO signal
appear at pins 28, 30
and 32 of IC4501 ?
Yes
Is FM signal at pin 73
of IC4501 ?
Yes
Replace CYLINDER UNIT.
NO NORMAL AUDIO IN
PLAYBACK MODE
Is sound heard on E-E?
Yes
Does AUDIO signal appear
at pin 6 of IC4501 ?
Yes
Replace IC4501.
TROUBLESHOOTING GUIDE
No
No
No
No
E-8
Check J2202 and VIDEO input
circuit.
Replace IC4501.
Refer to section "NO E-E".
Check AUDIO HEAD for debris or
stains.
Check the connector from AUDIO
HEAD is fully inserted to CP4502.