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There are currently no product reviews.
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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
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Ordered service manuel for a hard to find plasma tv - your company made it easy to find and purchase - I will use you again
Thanks for your help
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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
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When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
MECHANISM TROUBLESHOOTING GUIDE
1.Deck Mechanism
A.
No Auto Rewind operates.
YES
Is output of the end sensor �H�? �H�: 3.5V or less �L�: 0.7V �1V or less
YES
NO
Is the end sensor Vcc applied at 5V?
NO
Check the Syscon power supply.
YES
Replace the end sensor.
Is voltage at both ends of the IR LED 0.8V-1.5?
NO
Replace the LED.
YES
Is the Syscon checked?
B.
No F/R operates.
YES
Is the current mode an F/R mode?
NO
Check the assembly position of the Mode S/W.
YES NO
Does the Capstan motor rotate? Is normal voltage applied at the Vcc1 and the Vcc2 of the Capstan motor?
YES
Does the T/up and the supply reel Operate?
YES
Is the Vctl terminal voltage of the Capstan Motor applied at more than 4V?
NO
Check the Servo, Power circuit.
YES
Check the Syscon circuit.
YES
Replace the Capstan motor.
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