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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
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Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
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The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
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Quick site processing. A complete and very useful manual with all details. Thank you!
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Das Service Manual war von der ersten bis zur letzten Seite sehr informativ und hilfreich. Die Darstellung aller Teile war klar und der Text gut lesbar.
Vielen Dank, das war nicht der letzte Download bei ownner-manuals.com.
XA-905 XA-920
NO.10 FLOW CHART NO.11
The cassette tape fails to eject. No power is turned on.
See FLOW CHART NO.12.
pin(4) of IC701 change from "L" to
YES
Does the capstan motor start when NO Check IC701. the EJECT button is pressed? "H" level?
NO Does power control(H) signal at
YES
NO Does the take-up turn when disk reel drive unit. Does base of Q951 change from NO Check IC701 and all the way up thru
the capstan motor is running? about 5.0V 4.5V? to Q951.
YES
way up thru to IC701.
YES
Check take-up reel sensor and all the Is 5V sent out the collector of NO Are pulses applied at pin(2) of IC701 Check Q951 and the AT 5V line. Q951? when the take-up reel disk is turning?
YES
NO
Check pin(90) of IC701. soldering. pin(12) of IC706 when a reel pules
Check peripheral circuits for poor Is a "H"(about 4.7V) level applied at
has been inputted?
YES
Is the voltage about 10V sent out of NO pin(15) of IC706? Check IC706. FLOW CHART NO.12
YES The capstan motor fails to run.
NO Is specified voltage applied at Check between IC706 and all the
40
DC given out pin(29) of IC701.
YES
motor terminal? way up thru to the loading motor.
YES Is the voltage more than about 2.6V NO
Check IC701.
Does the motor run? Replace loading motor.
NO
YES Is the supply voltage of 5V feed to NO
pin(8) of AC connector?
YES NO sent in pin(4) of AC connector? and all the way up thru to pin(29) YES
Check PC 5V line.
Replace cassette cam, gear, etc.
Check between the AC connector Is the voltage more than 2.6V DC of IC701. Check between the pin(92) of IC701 Is the voltage at pin(3) of AC NO and all the way up thru to pin(3) of connector about 3.5V? AC connector.
YES NO
Is the supply voltage of 23V feed to pin(5) of AC connector? YES
Check AT 23V line. Replace capstan motor.
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