XL-DV60
7 – 3
Check the TE waveform at pin 39 on U7.
(2) Tracking system check.
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
Check the CNP802 and J5 connect well or not.
No
"Initialization" is not possible.
Check the J5 connect well
or not
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)
Yes
The spin driver circuit is OK.
No
2. The turntable doesn't rotate. Check around pins 17,18 on U8.
Figure 5
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