TROUBLESHOOTING GUIDE
E-12
Is sound heard on E-E ?
Yes
No
Refer to section "NO E-E".
Yes
No
No
Yes
NO NORMAL AUDIO IN
PLAYBACK MODE
Does Audio appear at
pin 11 of IC4001?
Check L4001, Q4007 and
peripheral circuit.
Check AUDIO HEAD for debris of
stains.
Check that the connector from
AUDIO HEAD is fully inserted to
CP4005.
Does Audio signal
appear at pin 21 of
IC701?
Yes
Check sound AMP circuite.
No
Check IC701.
Does Audio signal
appear at pin 1 of
IC701?