Service Manual
Page 18
...its display device. - customer can control the screen easily with Video colck and PLL clock. - Image Lock This means "Fineness adjustment" in LCD Monitor, the features are "Fine" and "Coarse" - DVI (Digital Visual Interface) This provides a high speed digital connection for visual data types...frame for Digital. It can make it Plug and Play between Host Computer and related equipment. Inverter Device that convert various input resolution to other resolution.(ex. 640* 480 to LCD panel lamp. This device generates about 1,500~2,000V. - Image Scaler Technology that supplies Power ...
...its display device. - customer can control the screen easily with Video colck and PLL clock. - Image Lock This means "Fineness adjustment" in LCD Monitor, the features are "Fine" and "Coarse" - DVI (Digital Visual Interface) This provides a high speed digital connection for visual data types...frame for Digital. It can make it Plug and Play between Host Computer and related equipment. Inverter Device that convert various input resolution to other resolution.(ex. 640* 480 to LCD panel lamp. This device generates about 1,500~2,000V. - Image Scaler Technology that supplies Power ...
Service Manual
Page 34
Yes Does the proper clock pules No 10 appear at R101,105, 108 (Red,Green,Blue)? Yes Replace LCD Panel. Check pc signal. 4-2 No Video (PC Analog Signal) 4 Troubleshooting 6 Is pin9 of the CN201? Check IC302 and IC201. 4-3 Yes Does the analog video signal No 7 appear at Pin6,7 of CN501(BKLT_EN)high(3.3V)? Check the X200, IC201. Yes 8 Does the X201 and X200 No oscilate Properly? No Check TFT_LCD panel or inverter and connection between then.
Yes Does the proper clock pules No 10 appear at R101,105, 108 (Red,Green,Blue)? Yes Replace LCD Panel. Check pc signal. 4-2 No Video (PC Analog Signal) 4 Troubleshooting 6 Is pin9 of the CN201? Check IC302 and IC201. 4-3 Yes Does the analog video signal No 7 appear at Pin6,7 of CN501(BKLT_EN)high(3.3V)? Check the X200, IC201. Yes 8 Does the X201 and X200 No oscilate Properly? No Check TFT_LCD panel or inverter and connection between then.
Service Manual
Page 36
No Check TFT_LCD panel or inverter and connection between then. No Check PC signal. Yes Does the Digital video 11 signal appear at Pin6,7 of CN501(BKLT_EN)high(3.3V)? No Check IC301 and 302. 4-5 Yes Does the proper clock pules 10 appear at R129~R136? Yes Replace LCD Panel. 4-3 No Video (PC Digital Signal) 4 Troubleshooting 1 Is Pin9 of the CN201?
No Check TFT_LCD panel or inverter and connection between then. No Check PC signal. Yes Does the Digital video 11 signal appear at Pin6,7 of CN501(BKLT_EN)high(3.3V)? No Check IC301 and 302. 4-5 Yes Does the proper clock pules 10 appear at R129~R136? Yes Replace LCD Panel. 4-3 No Video (PC Digital Signal) 4 Troubleshooting 1 Is Pin9 of the CN201?