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This is a very good quality print (scan) of the original SONY service manual. The original from Sony is on very thin paper. Nevertheless it is very clear and sharp and excellent readable. I'm very satisfied to have now this rare document. I've looking for it many years (infrequent). It contains very detailed circuit diagrams, exploded views, part lists, PCB view with good readable connection lines. Very recommended.
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A complete manual with all the needed details of calibrations and service instructions about the radio receiver.
A big deal.
Many thanks !
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Fast delivery and good quality copy. To be recommended
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Excellent product, very clear print. Detailed circuit and assembly diagrams - this enabled me to repair my CD player with confidence. I highly recommend this site.
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Fast access, 100% correct and complete service manual
CHAPTER 3. TROUBLE SHOOTING
1. Trouble shooting 2. Device problem 3. Power source abnormal 4. Power on problem 5. Power line problem 6. 3.3V/5V problem 7. VTT problem 8. VCC_CORE problem 9. Battery charge problem 10. Sheet Battery charge problem 11. Clock problem 12. MEMORY problem 13. BIOS problem 14. HDD problem 15. LCD problem 16. CRT problem 17. Keyboard problem 18. Touch pad problem 19. Audio problem 20. Modem problem 21. PCMCIA problem 22. IR problem 23. LAN problem 24. USB1 problem 25. USB2 problem 26. USB HUB problem 27. IEEE1394 problem 28. CDROM problem 29. FDD problem 30. PDC Adapter problem
1. Trouble shooting
Start
System work?
Y
Device problem Charge problem
N
Power on
Power LED light?
N
Y
Power source abnormal
Y
BIOSCS# OK?
N
Device problem 2 POWEROK = H?
N
Y
Check R90,R570,U14,U16
N
X504 32.768kHz OK?
Y
VCC_RTC >2.6V
N
Y
Check D16,D18,D20, C160,R125,C152
Check X504,R554, C528,C538
PCIRST# OK? RSTDRV OK?
N
Y
Check U510
N
every Clock OK?
Y
Clock problem
Check U509,U510
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 $4.99 PC-AX40 SHARP
Parts Catalog Parts Catalog only. It's available in PDF format. Useful, if Your equipment is broken and You need t…
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