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- Very good scan quality, PERFECT!
- Sehr gute scan Qualitaet, empfehlenswert!
Wolfgang Sundhaus
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Good site, works ok and you get what you order, no problems experienced, got my manual within a day. A++++
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Original well scanned manual. Got the job done. Microwave problem found & corrected. For $5 and a new magnitron from ebay, it was a cheap and good the first shot fix. Electrical schematics allowed me to mage sure every thing else was ok before cutting and order for parts. Hard to live without.
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I was very skeptical of this website, I have never downloaded manuals before. I put it on the AMEX and payed through Paypal to ensure protection. I got the manual exactly as described and now I can replace the filter capacitor for this amp. Great Price, others selling for 12.99 or more and this is the same manual. I will search out this website for other manuals. Thank you
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Manual was reasonably easy to follow. I am not an engineer or know much about electronics but with the manuals help I was able to figure out the problem, identify the part required for the repair. Replacement part cost around $30. Whilst replacing the part I was telling myself, "this aint gonna work cos it seems far too easy". Took about 15 minutes to do and my plasma TV works a treat. Would never have been able to do this without the service manual.
NO.13 FLOW CHART NO.15
The drum motor fails to run. No head switching pulse.
Is the voltage more than about 2.6V NO Check IC701. Is the drum motor rotating? See FLOW CHART NO.13,14. DC given out pin(46) of IC701?
YES YES
Is the supply voltage of 5V feed to Is the PG signal and drum FG NO Are there drum PG M.M.signal at pin(3) IC706? pin(81) of IC701? Check PC 5V line. signal present on pins(66) and (65) of IC701, respectively?
YES YES NO
YES
Is the voltage more than about 2.6V NO IC706.
NO
Check C723 and readjust R701 Check between pin(46) of IC701 (HEAD SW. POINT control.) applied at pin(2) of IC706? and all the way up to pin(2) of
YES Replace IC701.
Is the supply voltage of feed to Check AT 12V line. pin(21) of IC706? Are the PG and drum FG YES signals present on pins(7) and (8) of IC706?
NO
Could be lines between IC706
YES and IC701.
Check or replace drum motor. Check peripheral circuit of IC706.
41
FLOW CHART NO.14
Replace IC706.
NO
The drum motor runs only for a few seconds.
Is drum PG signal given out NO Check pins (4), (5), (6) of IC706 and pin(7) of IC706? periperal circuits.
YES
Check or replace drum motor.
Is drum PG signal given out of
pin(66) of IC701?
Check line between pin(7) of IC706 NO and all the way up thru to pin(66) of IC701.
YES
Is V-H.SW.P pulse given out of NO
Check IC701. pin(23) of IC701?
YES
VC-A312T/A315T VC-H812T/H815T
Replace IC701.
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