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no problems with the purchase of a circuit diagram
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Scan are good quality and overall just what i was looking for. Thanks!
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Very good quality pdf file, no missing pages and all words and schematics clearly readable. Whole manual is present featuring different languages.
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Very,very good manual.It was very explicit and readble.It was helpfull.Thanks.
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The service manual is scanned, but high quality, high resolution. The smallest texts on schematics diagram is readable. Super! Thank you!
TROUBLESHOOTING GUIDE FOR CD-RW BOARD
Reset or Power Check.
�Is the Pin 1, 3 of PN403 5V? �Is the Pin 5 of PN403 12V? YES
NO
� Check the PN403. � Check the SMPS board.
Does the pin1 of IC326 change 0V to 5V at the power supply initial input mode? YES
NO � Check the IC326 (RESET IC).
Are the IC405 Pin 4 and X302 oscillating? YES
NO
�Check the X302, IC405. �Check the IC320 (µ-COM), PN402, Pin 7 (33M).
�Is the pin4 of IC305 3.9V? �Is the Pin32 of IC108 2.0V? �Is the Pin4 of IC414 3.3V? YES
NO
�Check the IC305 (BA3939). �Check the IC108 (CXA2551R). �Check the IC414 (BA033S).
�Is the Pin7 of IC210 2.5V? �Is the pin1 and 2 of IC210 2.0V? YES
NO
Check the IC210 (NJM3414).
�Is the pin1 of IC204 8.0V? �Is the pin1 of IC205 8.0V? YES OK
NO
�Check the IC204 (NJM7808). �Check the IC205 (NJM7808).
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 $4.99 C660 NAD
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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