Aiwa VX-G143K Service Manual page 51

AUDIO SHAKES
Is AUDIO HEAD scratched?
No
Does pin 8 of IC1006
output a 3.0Vp-p square
wave?
Yes
In playback, is the voltage
at pin 4 of CP1004 2.8V?
Yes
Check AUDIO BLOCK.
TROUBLESHOOTING GUIDE
Yes
No
No
E-19
Replace AUDIO HEAD.
Replace CAPSTAN DD MOTOR.
Check peripheral components
of IC1006.