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I PURHASED THIS PRODUCT BECAUSE I WAS HAVING PROBLEMS WITH MY CDR20 HARMAN KARDON RECORDER. WHICH I PURCHASED NEW 12 YEARS AGO. AFTER REVIEWING THE MANUAL, I WAS ABLE TO ADJUST THE TENSIONER IN THE SYSTEM. WORKS LIKE A CHAMP!.
SAVED ME AT LEAST 100.00 WHICH WAS WHAT A SERVICE REPAIR STATION WANTED. GREAT MANUAL EASY TO READ. SPECIALLY AFTER I PRINTED THE PAGES WHICH DEALT WITH MY RECORDER. THANKS A LOT!!!!!!!!
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Yes thank you i got the file i was after. There was a slight problem in my communication but it all worked out well.
A job well done.
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Great manual...really saved me. The only problem is that I thought I would be able to download it directly when I paid for it but never received the download instructions until the next morning. The board trace pages were somewhat light also: really need to turn up the contrast on the printer before printing them. The schematic page was great; very clear! Well worth the money.
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I've been in the electronic business for a long time. I used to buy Sam's Photofact for my needs which intailed having to go to the store and paying about $20 for a package of 3 different units so I was forced to buy more than I needed just to get one.
Owner manual is just at your keyboard and the information is almost instantansouly and the cost is very reasonable. Easy to print out if needed or simply read off of the screen. The larger the screen the better for obvious reasons.
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Very good manual, at a very good price. Received in a timely manner
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Only thу cover has poor quality, internal material has excellent quality - exactly what I needed
Thanks!
TROUBLESHOOTING GUIDE FOR CD-RW BOARD
Reset or Power Check.
�Is the Pin 1, 3 of PN105 5V? �Is the Pin 5 of PN105 12V? YES
NO
� Check the PN105. � Check the SMPS board.
Does the pin1 of IC101 change 0V to 5V at the power supply initial input mode? YES
NO
� Check the IC101(RESET IC). � Check the IC301(HD64F3062), IC301(XC10TQ80)
Are the X701 and X301 oscillating?
NO
�Check the X701, X301. �Check the IC701, IC301.
YES
�Is the pin4 of IC103 3.9V? �Is the Pin32 of IC401 2.0V? �Is the Pin4 of IC102 3.3V? YES
NO
�Check the IC103(BA3939). �Check the IC401(CXA2551R). �Check the IC102(BA033S).
�Is the Pin7 of IC514 2.5V? �Is the pin1 and 2 of IC514 2.0V? YES
NO
Check the IC514(NJM3414).
�Is the pin1 of IC511 8.0V? �Is the pin1 of IC512 8.0V? YES OK
NO
�Check the IC511(NJM7808). �Check the IC512(NJM7808).
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