Toshiba SD-25VLSR Service Manual page 81

TUNER AUDIO(MONO)
DOES NOT APPEAR
Does E-E AUDIO
(MONO) appear?
YES
Does audio signal
appear at pin 2 of
IC801?
YES
Does audio signal appear
at pin 30 and 31 of
IC801?
YES
Does audio signal
appear at pin 78 and
80 of IC701?
YES
Check circuit at pin 1 and pin 2 of
IC8001 and circuit around J8001.
TROUBLESHOOTING GUIDE
NO
NO
NO
NO
E-25
Refer to section "E-E AUDIO
(MONO) DOES NOT APPEAR".
Check pin 16 of TU301.
Change IC801.
Change IC701.