Sampo SME-27FDL5, Руководство по обслуживанию

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SERVICE MODE ADJUSTMENT VER1.0
3
-9
ITEM ADJUSTMENT PROCEDURE.
8. V-size adjustment (RGB mode)
(under factory adjustment mode)
1. Set to RGB mode.
2. Receive CROSS HATCH pattern (we have nine main
modes, please see the specification of CHROMA-2135
generator pattern).
3. Entry the factory adjustment item 2 to choice the V-size
adjustment.
4. Use the adjustment to let the V-size meet the specification
( 465mm for all main modes )
9. Focus adjustment
(VR901, FOCUS)
1. Set to RGB mode.
2. Receive H or @ pattern (H:37.8K V:72Hz 640X480 mode) or
whole letter Picture.
3. Adjust VR901 on CRT PWB and FOCUS VR of FBT to let
the picture clear both at center and corner.
10. White balance adjustment
(under factory adjustment mode)
1. Set to RGB mode. (H:31.47K V:60Hz 640X480 mode).
2. Receive back ground pattern (no Video Signal).
3. Press MENU key to select bright function and set bright
function to max. by pressing “+” key on remote control or
volume “+” key front panel. Then press MENU key again
to select contrast function. And set contrast function to
max. by pressing “+” key on remote control or volume “+”
key front panel.
4. Entry the item 1 of factory setting to adjust RGB-BLK
LEVEL and let R.G.B.-BLK LEVEL are all minimum.
5. Adjust SCREEN VR to let the picture just bright. At this
time the screen appears only one color of R or G or B. The
BIAS of this color does not do any adjustment.
6. Use CA-100 to measure the color temperature.
7. Adjust the R.G.B. BLACK LEVEL of the other two color to
let x=270, y=270.
8. Receive BLACK pattern. And adjust SCREEN VR to let
Y=0.45
± ±± ±
0.2FL
9. Receive center white window single.
10. G-Gain fix in 150 to 180 and adjust R-Gain and B-Gain to
let x=270
±
±±
±
5, y=270
±
±±
±
5
11. Adjust contrast (Sub-CONT-RGB) to let Y=85FL
±
±±
±
2FL.