JVC HR-XVC25US Service Manual page 54

Hi-Fi AUDIO
CAN NOT RECORD
Does E-E AUDIO appear?
AT state of video recording,
is there audio signal at
pin 10 and 15 of IC701?
Is there audio signal at
pin 53, 57 of IC701?
At recording and play,is
there signal at pin 7, 8
and 9 of CP101?
Check IC701.
1-50
TROUBLESHOOTING GUIDE
NO
YES
NO
YES
NO
YES
NO
YES
Refer to section "E-E AUDIO
(MONO) DOES NOT APPEAR".
Check circuit arounf of J8004,
J8005 and TU301.
Change IC701.
Check CYLINDER UNIT.