Electrical Instructions - Philips 200P7ES/00 Service Manual

20.1" lcd monitor

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User manual (99 pages)

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Table of Contents

200P7 LCD

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Remark : Mode 35:/ 36 1600 * 1200 70 Hz and 75Hz only supported

by analog signal , DVI can' t support these mode

AC, DC power board

3.1

Setup the AC I/P at 90VAC, and 18V panel loading 0.25A, the

voltage is 18V +/- 0.9V, inverter 18V loading 1.8A, the output

voltage is 18V +/- 0.9V, 5V loading 1.2A, the DC output voltage is

5V +/-0.25VDC,

Display Adjustment

4.1

Access to factory mode (IIC) in auto-alignment system

The communication protocol switch to IIC .

4.2

Auto color adjustment (B)

Apply a 1280x1024/60Hz signal with Black ( 0mV) and

white ( 700 mV) pattern, set brightness control at 100%,

and contrast control at 50%.

Adjust the R. G. B offset, and gain to calibrate the color

smoothly and 64-gray level distinguishable.

Check all factory pre-setting modes.

4.3

Adjustment of WHITE-D (B)

Apply a 1280*1024 / 60Hz signal with white pattern, set brightness

control at 100%, and contrast control at 50%. Adjust the R, G, B

Sub-Gain, for the screen center, the 1931 CIE chromaticity (X, Y)

co-ordinates shall be;

x (center)

y (center)

Use Minolta CA-110 for colour coordinates and luminance check.

Luminance is > 200 Nits in the center of the screen when brightness

at 100% and

contrast set to 100%.

4.4

Adjustment of sRGB

Apply a 1280*1024 / 60Hz signal with white pattern, set brightness control at

100%, and contrast control at 50%. Adjust the R, G, B Sub-Gain, for the screen

center, the 1931 CIE chromaticity (X, Y) co-ordinates shall be;

x(center)

y(center)