E-18
TROUBLESHOOTING GUIDE
NO
NO
YES
NO
YES
YES
Cylinder not rotating during
playback and recording
Investigate UNREG 12V line of a
MAIN PCB.
When playback, is a
voltage of 5th pin of
CP1005 DC 1.2V
approximately?
When playback, is a
voltage of 77th pin of
IC1001 square wave of
5Vp-p?
Exchange a cylinder motor.
Investigate a circuit to CP1005
5th pin and IC1001 77th pin.
Exchange IC1001.
Whether is a voltage of
CP1005 2nd pin DC 12V
approximately or not?