|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Everything was ok with the manual. If I have a small complaint, is that I ordered it during the weekend and I think you guys were closed. But I did receive it late Sunday. I will surely order from you again
;
Best Service! Very fast and easy to handle. Fast Download an you can come back every day to download again
;
Very good quality, no parts are missing and everthing is readable.
Thank you very much. :-)
;
This manual is all I need to check and repair my equipment. Thank you....
 ;
sorry for my english...the service given by O.M.com is perfect for content and codition...!!!
thank's a lot!!!
best greetings
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.
|
|
|
> |
|
