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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!
LC-121M2U LC-150M2U 5-6-2. AV input Adjustment
1 Adjustment Brightness adjustment (N358) Adjustment conditions 1. Input the standard color bar signal (the same pattern as that of JPN-8CH) of N358 into AV1. 2. Connect the oscilloscope to TP821 (IC803, pin7, G output).
LC-121M2U LC-150M2U
Adjustment method 1. Adjust N358 BRIGHTNESS, and adjust the black level of G output so as to get DC 1.5±0.05V.
2
R-cut off adjustment
1. Input the standard color bar signal (the same pattern as that of JPN-8CH) of N358 into AV1. 2. Connect the oscilloscope to TP821 (IC803, pin7, G output). 3. Connect the oscilloscope to TP819 (IC803, pin1, R output). 1. Input the standard color bar signal (the same pattern as that of JPN-8CH) of N358 into AV1. 2. Connect the oscilloscope to TP821 (IC803, pin7, G output). 3. Connect the oscilloscope to TP820 (IC803, pin8, B output). 1. Input the standard color bar signal (the same pattern as that of JPN8CH) of N358 into AV1. 2. Connect the oscilloscope to TP821 (IC803, pin7, G output).
1. Adjust R CUTOFF so as to equalize the black levels of green and red.
3
B-cut off adjustment
1. Adjust B CUTOFF so as to equalize the black levels of green and blue.
4
Unicolor adjustment (N358)
1. Adjust N358UNICOLOR, and adjust so as to get 100% whiteblack level video component equal to 2.3±0.05Vp-p.
5
R DRIVE adjustment
1. Input the standard color bar signal (the same pattern as that of JPN8CH) of N358 into AV1. 2. Connect CH1 of oscilloscope to TP821 (G output). 3. Connect CH2 of oscilloscope to TP819 (R output).
1. Adjust so as to get 100% white level identical with that of green.
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