Asus P735, Service Manual

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Lv3Lv4 Repair Manual
- 28 - ASUS Proprietary
華
華
碩
碩
電
電
腦
腦
LCD Problem:
1. Inspect LCD connector and power on signals, which are LCD_VDD (R49.1) and
nLCD_RST (R49.2), as shown in Pig 5-1, if panel can not monitor.
2. Inspect PCLK (C80.2) signal of CPU as shown in Pig.5-2, if panel appear white monitor.
3. Inspect FCLK (C779.2)signal of CPU as shown in of Pig.5-2, if panel appear horizontal
line.
4. Inspect LCLK (C780.2)signal of CPU as shown in of Pig.5-2, if panel appear shift
monitor.
5. Inspect LCD back light driver as shown in Pig.5-3, if panel can not drive back light.
Pig.5-1 61 pin of LCD connector and power domain located in P735 bottom side
Pig.5-2 PCLK, FCLK and LCLK