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I used your service and I found myself well I need service manual teac v plate 770 and I was able to access and remove the belt that erno routes. thanks I recommend it to all
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At first I thought there had been a mix up as I required the service manual for the cassette unit and the one supplied was for the CD unit. However when I scrolled further down I realised that both had been scanned together! This enabled me to dismantle and repair the cassette unit as intended and I also have a copy of the manual for both the CD and graphic equaliser units should I ever need them. Thanks very much for a great service.
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Excelent service, the manual is complete, very cheap and fast
Alberto
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The item received was as described, as expected. I was pleased with the order. Thank you.
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Superb rendition. Drawings (schematics) complete and unabridged. I do a great deal of vintage audio restoration. Documentation is essential for successful repairs. I have found sources over the years that offer good documentation, but rarely all that is necessary. Owner's Manuals has filled that void with complete and legible documentation. They have narrowed my "favorites" to a more manageable collection. This Denon manual in particular contained the latest revisions level, and offered alterations favorable to updating the item. The Illustrated Parts Breakdown (IPB) was well enough detailed to simplify part symbols and physical locations. You will not be disappointed!
VC-6050 VC-7050 VC-H8050
NO.13 FLOW CHART NO.15
The drum motor fails to run. No head switching pulse.
Is the voltage more than about 2.6V Is the drum motor rotating? NO Check IC701. See FLOW CHART NO.13,14. DC given out pin(46) of IC701.
YES
Is the PG signal and drum FG NO Are there drum PG M.M.signal at Is the supply voltage of 5V feed to Check PC 5V line. signal present on pins(66) and (65) pin(81) of IC701? pin(3) of IC706? of IC701, respectively?
YES NO
YES NO Check between pin(46) of IC701 Is the voltage more than about 2.6V
YES
Check C723 and readjust R724. applied at pin(2) of IC706? IC706. (HEAD SW. POINT control.) and all the way up to pin(2) of
YES Replace IC701. NO
Is the supply voltage of feed to Check AT 12V line. pin(21) of IC706? Are the PG and drum FG YES Could be lines between IC706 signals present on pins(7) and (8) of
NO
IC706? Check peripheral circuit of IC706.
and IC701. YES
Check or replace drum motor.
FLOW CHART NO.14
42
Replace IC706.
NO
The drum motor runs only for a few seconds.
Is drum PG signal given out NO Check pin(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
Replace IC701.
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