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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.
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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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Input Signal Step
A
Adjusting Method
Adjust the black level of the Red and Blue signals referring to that of the Green signal Adjust the signal amplitude of the Red and Blue signals referring to that of the Green signal
Green signal waveform
Green signal waveform
Red or Blue signal waveform
Signal amplitude of the Green signal
Red or Blue signal waveform
B
Black level of the Green signal
Video signal
Black level of the Red or Blue signal
14
C
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Increase the MAT CONT adjustment value of OFFSET-RGB1 by 3. OFFSET mode: Select RGB 1 mode with the top and bottom keys. MAT CONT : "1" key Increase the adjustment value by 3 with the right and left keys. Increase the MAT BRIGHT adjustment value of OFFSET-RGB1 by 2. OFFSET mode: Select RGB 1 mode with the top and bottom keys. MAT BRIGHT : "2" key Increase the adjustment value by 2 with the right and left keys. Turn the ACL SW setting to ON. INITIALIZE mode ACL SW : "3" key Select ON with the right and left keys. Input a RGB (PC) signal to the INPUT1 or INPUT2. Use a signal consisting of the luminance signal only, such as a ramp signal or STEP signal, whose black level (0IRE) and gradation can be checked. � Recommended signal: VESA VGA@60Hz
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D
2 3 4 RGB (PC) signal 5
Set the unit to Standby mode then to Factory mode. MENU � SET � POWER ON Take a trigger of the oscilloscope with HD_PLL (3.3Vp-p) of K4805. Measure the signal waveform of the Green signal at K4603, and measure the black level (0IRE) and amplitude. AD R LOW adjustment Measure the black level (0IRE) of the Red signal at K4602, and adjust the level of AD R LOW so that its black level (0IRE) becomes the same as that of the Green signal measured in step 9. Tolerance: ± 0.05V OFFSET mode: Select RGB 1 mode with the top and bottom keys. AD R LOW : "9" key Adjust with the right and left keys.
E
6
AD R HIGH adjustment Measure the signal amplitude of the Red signal at K4602, and adjust the level of AD R HIGH so that its signal amplitude becomes the same as that of the Green signal measured in step 9. Tolerance: ± 0.05V OFFSET mode: Select RGB 1 mode with the top and bottom keys. AD R HIGH : "6" key Adjust with the right and left keys.
F
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PRO-800HDI
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