TROUBLESHOOTING GUIDE
E-20
D-VR5SU/D-VR5SC
YES
YES
YES
YES
NO
NO
NO
NO
THE AUDIO CAN NOT
RECORD
Is bias level at L101 OK?
In starting recording,
is there sine wave at
pin 11 of IC101 ?
Check POWER BLOCK and
voltage of base of Q103.
Check disconnection
and short of L101.
Is there audio signal at
pin 76, 78 and 80 of
IC101 ?
Check IC701 and
the circuit from TUNER
or audio input jack to IC701 .
Change L101.
Is there a sine wave
at pin 5 of L101 ?
Check lead wire of A/C HEAD
and CONNECTOR.