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It´s very very nice manual with all, what i need. Original in good quality. Very fast business. Very much thanks...
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site.
Thank you very much
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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
4-A A
! Note: Open the CD door and check the radiation
power with an optical power meter or by watching the radiaation through the lens of the pickup unit at a minimum distance of 30cmfrpm the pickup.
Is 92 pin (C16M) (16.93 MHz) of IC502 normal ?
!
No
* Check CN504 and CN604. * Check cn603. * C heck IC701 and X701.
Yes
!
Does the LASER emit ? No
A1
Yes
!
Dose the lens move up and down ? No
A2
Yes Load a disc and close CD tray (PLAY). Then check the following.
5V
Is the waveform at pin 16 (SEL) of IC501 like that shown in Fig. 10 ?
No * Check circuit around IC501 and IC502.
Figure 10
Yes
1V
Is the waveform at pin 9 of IC501 (RFO) like that shown in Fig. 11 ? Yes
No
* Check wire connector from pickup CN505 and CN506. * Check IC501. * Check pickup.
Figure 11
>0.4V
Is the waveform at pin 60 (FEI) of IC502 like that shown in Fig. 12 ?
No
* Check circuit around pins 14 and 15 of IC501. * Check VR502.
Yes
Figure 12
* Check circuit around IC501.
14
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