Acer AL1716x Panduan Servis - Halaman 31

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TROUBLESHOOTING

If you change the M/B, Please re-do "DDC" programmed &"Auto Color balance"

If Replace "Power & Inverter board" only, please re-do "Auto color balance".

If you adjust clock and phase, please do it at condition of Windows shut down pattern.

If you confirm the R.G.B. color is normal or not, please do it under 16-grey scalar pattern.

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.

If you check the H/V position, please use the crosshatch pattern.

This LCM support 20 timing modes, if the input timing mode is out of specification, the picture

appears abnormally.

"Auto Color Balance"- Press ">" and "<" together and plug in AC power cord at the same time at

VGA cable in.

2.1 No Power & Power LED Off

Chapter 4