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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.
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I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid.
I would highly recommend these to my friends.
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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
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Manual was just as described!!! I odered it and in less than a day was able to download it and the text was clear and pages were all complete just as the original manual was. Purcashed this for a friend and they were more than happy. Perfect all around!
CX68KF5 SX68KF7
TROUBLE SHOOTING TABLE (Continued)
NO PICTURE
Does the snow noise appear Snow noise increase.
TROUBLE SHOOTING TABLE (Continued)
B
No snow noise.
Yes
on the picture tube at max contrast and brightness control?
No
B
Check pins (6) and (7) of IC800.
Does 5V appear at pins (6) and (7) of TU200 (TUNER)?
No
Check IC600, L200, TU200 and etc.
Yes
Does 31V appear at pin (9) of TU200?
Normal
No
Check IC1751, L201 and etc. Noise or signal appear.
Abnormal
Check TU200, SF200 and their related parts.
Yes
Check TU200, TP201 and etc.
Is AV1, AV2 or AV3 input normal?
Yes
Check Q455 and its peripheral circuit.
No
18
18-1
Which does pin (43) of Noise IC400 appear, noise or signal?
Check IC400 and its peripheral circuit.
Signal
Which does pin (39) of Signal IC800 appear, noise or signal? Are waveform at pins (7), (8) and (9) of IC850 normal?
Is IC800 RGB out Normal?
Yes
Noise
No
Yes
No
Check IC400, Q401 and their peripheral circuit.
Check IC800 and its peripheral circuit.
Check the peripheral circuits of screen heater (FBT) and the CRT.
Check IC850 and its peripheral circuit.
18-2
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