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There are currently no product reviews.
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Manual found fast and good quality, very helpfull service
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8-17-12 Been using the sight for about 6 months. Fast Downloads and top quality
Manuels !
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Everything was great, the manual, the response time, the simplicity of the order, and the
Price. The only thing that I could possible say on a negative note would be that the manual I ordered was more for a service tech. There were a lot of schematic diagrams that didn't help me solve the problem. However I would order again and recommend the web sight to others.
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I'd been looking for this manual for awhile. Exactly what I needed - and at an excellant price. Thanks!
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very complete. acceptable resolution. details are a little unclear. is a manual note 8.
3.2 Troubleshooting 3.2.1 Feed section
Is the voltage output at IC521 pin u 5V or 0V? NO Is the wiring for IC521 (90) ~ (100) correct? YES Is 5V present at IC581 pin 6? YES YES Check the vicinity of IC521. NO Is 6V or 2V present at IC581 Q and R? NO Check IC581. YES Check the feed motor connection wiring. NO Check CD 9V and 5V.
Is 4V present at both sides of the feed motor? YES Check the feed motor.
3.2.2 Focus section
When the lens is moving: NO Check the circuits in the vicinity of IC581 pins H K. YES
4V
Does the S-search waveform appear at IC581 pins H and I?
YES
Check the pickup and its connections.
3.2.3 Spindle section
Is the disk rotated? YES Does the RF signal appear at TP1? YES Is the RF waveform at TP1 distorted? YES Proceed to the Tracking section NO NO Check the circuits in the vicinity of IC501 J O or the pickup Check the spindle motor and its wiring. NO Is 4V present between IC581 pins 1 and 2? NO Is 4V present at IC521 pin x? YES Check the vicinity of IC581. NO Check IC501 and IC521.
3.2.4 Tracking section
When the disc is rotated at first: YES Approx. 1.2V Is the tracking error signal output at TP3? YES Check IC521. Check the circuit in the vicinity of IC501 pins ~ 2C . YES Check the pickup and its connections
1-24 (No.49861)
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