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Super manual it contains all the things you need to service your Marantz 2100.
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A very easy to understand and use manual. Well worth the money.
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Very good information with clear drawings. Thanks!
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The ease of this purchase was a good start. The content of this manual was exactly all I needed to retore my Tandberg 64.
All of the mechanical and electrical information is contained in the manual and the quality of the document makes reading the data easy.
The exerience with the resource has made this my prime source for technical data.
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Owner-manuals.com is the best Possibility to give vantage HIGH CLASS Elektronic COMPONENTS
a new Life.Thanks alot for your perfekt Service.
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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