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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.
KD-SX998R,KD-SX997R
3.3 Troubleshooting 3.3.1 Feed section
Is the voltage output at IC621 pin "40" 5V or 0V? YES Is 4V present at both sides of the feed motor? YES Check the feed motor.
3.3.2 Focus section
NO
Is the wiring for IC681 pin 27? NO
YES Is 3.3V present at IC681 pin "20"? YES Check the vicinity of IC621. YES Check the feed motor connection wiring.
NO Check CD 8V and 5V.
NO
Is 6V or 2V present at IC681 "4" and "5"? NO Check IC601.
When the lens is moving: 4V
Does the S-search waveform appear at IC681 pins "8" and "9"?
NO
Check the circuits in the vicinity of IC681 pins "8","9"and"15". YES
YES
Check the pickup and its connections
3.3.3 Spindle section
Is the disk rotated? YES Does the RF signal appear at RF test point? YES Is the RF waveform at RF test point distorted? YES Proceed to the Tracking section
3.3.4 Tracking section
NO
Is 4V present at IC681 pins "6" and "7"? YES
NO
Is 4V present at IC621 pins "41" ? YES Check the vicinity of IC561.
NO
Check the spindle motor and its wiring NO Check the circuits in the NO vicinity of IC681 "19"~ "24" or the pickup
Check IC621 and IC681.
When the disc is rotated at first:
YES
Approx. 1.2V Is the tracking error signal output at IC601 "11"?
Check the circuit in the vicinity of IC501 pins "2"~"7".
YES
Check the pickup and its connections
YES Check IC621.
(No.49819)1-25
 $4.99 KDSX998R JVC
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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