Casio PZ-3100, Руководство по обслуживанию

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4
Is the waveform
at TE like that shown
in fig. 8 ?
No
Yes
*
Pickup NG.
Is the waveform
at TE like that shown
in fig. 9 ?
No
Yes *
Check mechanism unit and sled motor.
*
Pickup unit is defective.
*
IC103 is defective.
Repair Item 4: Selected track number cannot be searched.
Repair Item 5: No audio signal output.
5
Press or key.
Press or key.
*
Check soldering of IC106 and IC107.
*
IC106 is defective.
*
IC107 is defective.
Figure 8
VC 0
Figure 9
10