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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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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.
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PDP-501MX
4.2 White Balance Adjustment
Set COLOUR to minimum and the other video settings to the standard setting in the following measurements.
1. Black level adjustment
1) Input the RAMP signal. 2) Monitor the output TP terminals of the RGB assembly (R:P5802, G:P5801, B:P5803), and adjust R,G,B LOW LIGHT so that the black level (0IRE) becomes 2.4V.
(Reference) Adjustment values using the Minolta colour-difference meter CA-100 80% window step -3dB [PAL] [SECAM] [4.43NTSC] [NTSC] [HDTV] x=317 y=324 Y=52 +20 cd/m2
�15
2. LOW LIGHT adjustment
Input the RAMP signal, and adjust R, G, B:LOW LIGHT so that the point which starts to light up becomes gray.
[RGB] x=317 y=332 Y=23 +10.0 cd/m2 (20% 1.9cd/m2)
�7.5
3. HIGH LIGHT adjustment
1) Input the RAMP signal. 2) Monitor the TP terminals of the RGB assembly (R:P5802, G:P5801, B:P5803), and adjust R,G,B HIGH LIGHT so that the white level (100IRE) becomes 4.4V. 3) Input the white signal (80IRE). 4) Adjust R,G,B HIGH LIGHT so that the screen becomes reddish white (T=6500K, dev=0.000uv).
20% 3.5cd/m2 NTSC, HDTV, PAL SECAM, 4.43NTSC
Checking picture quality
1. Face colour check (Colour balance check)
After adjusting the white balance, check the face colour of figures in LD still pictures. If the colour is not natural, adjust COLOUR and TINT and memorize the value.
4. Adjusting voltage check
Input the RAMP signal, monitor the TP terminals of the RGB assembly (R:P5802, G:P5801, B:P5803), and check that the black level (0IRE) is 2.4V ± 0.1. The white level (100IRE) value is not specified.
2. Picture quality check
Set the sharpness to 120 for both NTSC and HDTV, and the detail setting to 110 for NTSC, 140 for PAL/SECAM/4.43NTSC and 65 for HDTV, and check the picture quality. Note: Adjust the white balance and check the picture quality in each NTSC screen mode (natural wide, zoom, etc.) and HDTV (MUSE).
� 3 LINE Y/C ASSY LOCATION
PROGRESSIVE SCAN BLOCK (AWZ6222) 3 Line Y/C Assy (AWZ6306)
VIDEO Assy (AWZ6331)
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