Service Manual
39
Chapter 6- TROUBLE SHOOTING
Remark:
Back view with monitor stand
1. Common Acknowledge
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If you change the M/B, be sure that the U103,U204 and U108 these three
components also changed to the new M/B because there was program inside.
If not, please re-write EDID or upload firmware into serial flash(U108) via
VGA Cable. How to do please refer to the Page 19.
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If you adjust clock and phase, please do it at condition of Windows shut
down pattern.
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Please confirm the R/G/B color under 32gray scale pattern.
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This LCM is analog interface. So if the entire screen is an abnormal color
that means the problem happen in the analog circuit part, if only some scale
appears abnormal color that stand the problem happen in the digital circuit
part.
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If you check the H/V position, please use the crosshatch pattern.
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This LCM support 10 timing modes, if the input timing mode is out of
specification, “Cannot Display this Video Mode” will be displayed on the
screen.
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If brightness uneven, repairs Inverter circuit or change a new panel.
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If you find the vertical line or horizontal line lost on the screen, please
The round cover (circled by
red) located in the center of
the rear cover is designed to
hid rear cover molding lines.
It’s required to remove it for
repairing since under which
there are screws.
Press the upper side of the
round cover to remove it.
Содержание ST2010 - 20" LCD Monitor
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Страница 21: ...Service Manual 20 8 Key Parts Pin Assignments 8 1 U105 TSUMU58EDJ LF ...
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Страница 27: ...Service Manual 26 Chapter 4 Disassembly Assembly 1 Exploded Diagram ...
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Страница 60: ...Service Manual 59 Attachment 2 Schematic 1 Interface board schematic ...
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Страница 72: ...Service Manual 71 Attachment 3 PCB Layout Power inverter board Top Layer ...
Страница 73: ...Service Manual 72 Bottom Layer ...
Страница 74: ...Service Manual 73 I F board Top Layer Bottom Layer ...
Страница 75: ...Service Manual 74 Keypad ...
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