Casio ZD-1 Service Manual page 26

5. Selected track number cannot be searched.
0 0
Figure 27
Figure 28
5
Press the" " or "
Is waveform at
pin 42 (TEO) of IC701 like that
shown in Fig. 27 ?
No
Is waveform at
pin 42 (TEO) of IC701 like that
shown in Fig. 28 ?
No
* Check IC701.
24
" key.
* VR702 adjustment is no good.
Yes
Readjust VR702.
(Refer to CD Adjustments)
* Check CD mechanism and disc
Yes
motor.
* Check pickup.