Toshiba SD-25VLSR Service Manual page 82

TROUBLESHOOTING GUIDE
TUNER AUDIO (STEREO)
DOES NOT APPEAR
Refer to section "TUNER AUDIO
Does TUNER AUDIO
NO
(MONO) DOES NOT APPEAR".
(MONO) appear?
YES
Refer to section "E-E AUDIO
NO
Does E-E AUDIO
(STEREO) DOES NOT APPEAR".
(STEREO) appear?
YES
At the time of channel
NO
Change IC701.
change,does the display of a
stereo come out to the screen?
YES
Check circuit around
NO
Is there audio signal at
of TU301 at pin 16.
pin 2 of IC801?
YES
NO
Is there audio signal at
Change IC701.
pin 78 and 80 of IC701?
YES
Is there audio signal
NO
Check IC801.
at pin 1 and pin 2 of
IC8001?
YES
Check circuit around of J8001.
E-26