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let's say first that i do not need to have a credit for my opinion, i am a retired sparkie and i voluteerd to fix an electronic device for a local "Youthgroup",as no diagram was present i checked the "net" and gambled on this site and paying some fee via PayPall, i was gladly surprised that the manual arrived as was stated, GOOD SHOW, and best wishes, John
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I had been looking for a Manual for my CS2150 for quite a while -- in fact I had just about given up. I saw this site and decided to download the Manual. When I Received it by Email I was really pleased with what I got, with the result that My Kenwood 'Scope is now 100% repaired and working well. As an AV Serviceman, you need a good 'scope, and thanks to this site, and the Service Manual, I have been able to repair it. The Manual was a copy of the Factory Original and the copy was very clear, especially in the area of the Circuit Schematics, where You really need to be sure of what You are looking at.
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I recently purchased a manual for a Samsung DLP tv to help with a trouble shooting problem I was having. Every tv repair shop wanted close to $400.00 for the fix, but after I found Owner-Manuals.com I hit pay dirt. The manual they had for me to purchase and download was a complete service manual for the exact tv I needed. It was complete with wiring diagrams, schematics, and even part numbers. If your the fix it yourself type I highly recommend trying to find any manual here before paying someone else to fix whatever problem your having.
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Once again, excellent price and manual delivered in a timely manner and as advertised!
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Outstanding quality manual. This is the exact documentation I needed to service my AKAI GX-210D. This is a PERFECT COPY of the service manual for my machine. Outstanding service. Thank-you!
MD-MT290H
� Recording/playback operation.
Insert a low reflection disc, and ascertain audio output by normal playback, and then set TEST REC mode. Change MSL from 00H to 80H by the control setting of EEPROM. After completing the operation, return in to 00H. Does the head move down, failing to start record even when the continuous record mode is set after address ? Yes Does the RF waveform appear at TP201 when recording/ Playback is performed. No Does level of pins 69 of IC401 and pin 2 of change depending on record and playback ? Yes Yes No Check voltage of pins 89 and 90 of IC201, pins 17, 18, 20, and 21 of IC601, pins 8 and 9 of CN601. Check whether disc is record-inhibited.
No
Check periphery of IC401 and IC101.
Is RF pattern output from IC201 pin 36, 37 ? Yes Check whether there is any damage in IC101, periphery of laser diode. Check for defects of IC351 head, flexible PWB.
No
Check for soldering failure of IC201 .
Check whether input waveform is observed on the pins 3 and 4 of IC501. Yes
No
Check whether the audio signal line between IC501 and J701 is defective.
Is the output waveform output to the pin 9 of IC501 ? Yes Check the periphery of IC501 and the waveform of the pins 97, 100, 101, 102 of IC201.
No
Check whether the pin 16 of IC501 and the pin 108 of IC201 are in H state.
� 35 �
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