Toshiba D-VR4SU Service Manual page 92

AT PLAY, AUDIO (MONO)
DOES NOT APPEAR
At E-E, does audio appear ?
YES
Is the voltage at pin 6 of
IC101 about 2.5V ?
YES
Is there audio signal at pin
10 of IC101 ?
YES
Check whether there are not a
damage, dirt in AUDIO HEAD and
peripheral circuit of pin 4 of IC701.
TROUBLESHOOTING GUIDE
NO
NO
NO
E-18
Refer to section
"AT E-E NO SOUND".
Check A/C HEAD.
Change IC101 and check
peripheral circuit of pin 10
of IC101.
D-VR4SU/D-VR4SC