JVC HR-XVC25US Service Manual page 52

TUNER AUDIO (STEREO)
DOES NOT APPEAR
Does TUNER AUDIO
(MONO) appear?
Does E-E AUDIO
(STEREO) appear?
At the time of channel
change,does the display of a
stereo come out to the screen?
Is there audio signal at
pin 48 of IC701?
Is there audio signal at
pin53, 57 of IC701?
Is there audio signal
a collector of
Q8005 and Q8006.
Check circuit around of J8001.
1-48
TROUBLESHOOTING GUIDE
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Refer to section "TUNER AUDIO
(MONO) DOES NOT APPEAR".
Refer to section "E-E AUDIO
(STEREO) DOES NOT APPEAR".
Change IC701.
Check ciruit around of TU301.
Change IC701.
Check IC701.