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Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
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Good-quality scans. Detailed description. I hope I can repair the machine.
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High-quality scanning. Detailed description. Recommend for all technician. A+++
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This is a good quality scan of the original Service Manual from Nordmende, Germany. Contains the circuit diagram, PCB layout, adjust/tune instructions as well. It is NOT in English but in GERMAN language! That was quite right for my german friend from the lower east side in Berlin.
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Received via e-mail this PDF manual is worth the money. This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand. I have later seen the original manual and it was printed in colour, but this particular manual is black & white but scan resolution is high end quality! All drawings and pictures are presented in great detail. So, nearly perfect score in my opinion.
If you own the turntable you also should own the manual!
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
Does the take-up turn when NO 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. Check take-up reel sensor and all the NO Are pulses applied at pin(2) of IC701
YES
YES
way up thru to IC701. Check Q951 and the AT 5V line. when the take-up reel disk is turning? Q951?
Is 5V sent out the collector of
YES
NO
Check pin(90) of IC701. soldering. pin(12) of IC706 when a reel pules
Check periperal circuits for poor Is a "H"(about 1.7V) level applied at
has been inputted?
YES
Check IC706.
NO Is the voltage about 10V sent out of
FLOW CHART NO.12
pin(15) of IC706?
YES The capstan motor fails to run.
Is specified voltage applied at NO Check between IC706 and all the motor terminal? way up thru to the loading motor.
41
DC given out pin(29) of IC701.
YES
YES Is the voltage more than about 2.6V NO
Check IC701.
Dose the motor run? Replace loading motor.
NO
NO YES Is the supply voltage of 5V feed to
pin(8) of AC connector?
YES NO YES
Check PC 5V line.
Replace cassette cam, gear, etc.
Check between the AC connector Is the voltage more than 2.6V DC and all the way up thru to pin(29) sent in pin(4) of AC connector? 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 1.6~2.7V? AC connector.
YES NO Check AT 12V line and motor voltage
selector circuit. (Q955~Q956). Is the supply voltage of 12V feed to pin(5) of AC connector? YES Replace capstan motor.
VC-H992U VC-H992U(A)
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