SHARP XLDV60
Instrukcja Serwisowa

XL-DV60
(2) Tracking system check. Check the TE waveform at pin 39 on U7.
If the waveform shown in Figure 4 appears and soon after NO DISC appears? Yes The tracking servo is not activated. Check the peripheral circuits at pin 39 on U7, and Pin 145 on U9 and FFC1B.

No "Initialization" is possible, but play is not possible? Yes No "Initialization" is not possible. Check the J5 connect well or not

Check the CNP802 and J5 connect well or not.

Stop

Figure 4

(3) Spin system check.
Press the OPEN/CLOSE switch without inserting a disc, and then try starting the play operation.

1. The turntable rotates a little? (Waveform drawing Figure 5) No 2. The turntable doesn't rotate.

The spin driver circuit is OK. Yes

Check around pins 17,18 on U8.
Stop

Figure 5

7�3