9
White Balance adjustment(Bias ,Gain, ABL):
A. Bias (Raster luminance and cut off ) adjustment:
(a) Set mode 5 800×600 Fh: 53KHz full white pattern.
(b) To make the adjustment condition is under the Factory preset window.
Same as step 2-C.
(c) Warm up more than 20 minutes.
(d) Change pattern to mode 5 Raster pattern (only Raster, no video), Brightness
set to maximum.
Contrast
set to min., G-Bias
40, then adjust FBT screen VR. R-Bias
. B-Bias
to make Y= 3.5
±
0.2cd/m², x= 265
±
5, y= 290
±
5.
(e) Raster cut off adjustment: adjustment the Brightness makes the Y=0.08
±
0.02cd/m², then save the
adjustment data to 9300 and 6500.
B. Gain (window white luminance) adjustment:
(a) Set mode 5 800×600 Fh: 53KHz window white pattern (100mm*100mm window).
(b) Brightness set to raster just cutoff and set the contrast to max.
(c) Adjust
G-Gain
, B-Gain
, R-Gain
, to make color temperaturem Y=140
±
2 cd/m².
x=283
±
5, y=297
±
5. then save to 9300.
(d) Adjust
G-Gain
, B-Gain
, R-Gain
, to make color temperaturem Y=140
±
2 cd/m².
x=313
±
5, y=329
±
5. then save to 6500.
C. Recheck item A&B to make sure both of them in spec. Finally select OSD function to the 9300
°
K
function, then press to make the setting data saved in the memory.
D.ABL(Full white luminance) adjustment:
(a) Set mode 2 800×600 Fh: 53KHz full white pattern.
(b) Image Size : H:260
±
4mm V:195
±
4mm.
(c) Brightness set to raster just cut off and set the contrast to max.
(d) Adjust AB to the luminance at 85 ~138cd/m².
Focus Adjustment:
A. Set mode 5 800×600 Fh: 53KHz with character full page.
B. Adjust brightness to center and contrast to max.
C. Then adjust focus VR to a fine vertical and horizontal line.
Purity Adjustment
A. Be sure that the display is not being exposed to any external magnetic fields.
B. Ensure that the spacing between the Purity, Convergence, Magnet, (PCM), assembly and the CRT
stem is 29mm. (See below diagram)
C. Produce a complete, red pattern on the display. Adjust the purity magnet rings on the PCM assembly to
obtain a complete field of the color red. This is done by moving the two tabs in such a manner that they
advance in an opposite direction but at the same time to obtain the same angle between the two tabs,
which should be approximately 180'.
D. Check the complete blue and complete green patterns to observe their respective color purity. Make
minor adjustments if needed.
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Содержание 105G7
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