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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.
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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!
TROUBLE SHOOTING TABLE (Continued)
LED LIGHT NO NORMAL SOUND
comes No sound from the
Check F4701. F3700. out at AV-out J905 speaker
Normal Blown out
Set volume to maximum. Is there any sound output signal at pin 10 & 14 of IC 301 ?
Check sound output signal from No Yes pin 92 & 93 of IC 2100 and its if there Check related circuit. is sound input connection to
Replace the Fuse.
No signal at pin 2 the speaker Yes
Is the Fuse again blown out? & 21 of IC 301.
No
Check output main unit ? consisting of IC701, IC702,
Does STBY+5V appear at pin 1 P1001 Check the power circuit T701 and its related parts. signal at pin
68, 69 of IC 2100 and its
19
19-1 19-2
No Yes
the power Check 3V output related circuit. circuit at the front from pin 22 of IC unit consisting of 2100 and its IC4702, IC4701, related parts. D4707 and its related parts.
29H-FD5RU
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