TROUBLESHOOTING GUIDE
1-55
YES
NO
TUNER AUDIO(STEREO)
DOES NOT APPEAR
Does signal appear at
pin 25 of IC801?
Change TU301.
Refer to section "TUNER AUDIO
(MONO) DOES NOT APPEAR".
YES
YES
YES
YES
NO
NO
NO
NO
PB AUDIO (Hi-Fi)
DOES NOT APPEAR
Does E-E AUDIO
(STEREO) appear?
Is there audio signal at
pin 35, 37 of IC701?
Is there audio signal at
pin 15, 18 of IC701?
Check circuit around of J8005.
Refer to section "E-E AUDIO
(STEREO) DOES NOT APPEAR".
Refer to section "AT PLAY,
AUDIO DOES NOT APPEAR".
Check circuit of HEAD AMP
and CYLINDER UNIT.
Change IC701.
Does NORMAL PB
AUDIO appear?