Lcd Display Trouble - LG T5100 Service Manual

3.6 LCD Display Trouble

(Main PCB)
(Main Board)
LCD Control signals from Main Board
- LCD_RESET, _LCD_CS, _WEM, LCD_BL_EN, LCD_ID, LCD_IFMODE, V_A(2), V_D(0) ~
V_D(15)
Check Points
- The Assembly status of the LCD Module
- The Soldering of connector
- The FPCB which connects the LCD Module
Trouble Shooting Setup
- Connect PIF Jig, and Power on
3. BASEBAND PART TROUBLE SHOOTING
Check soldering around connector
If the FPCB has a problem, the control
signals for LCD cannot be transmitted
properly
Figure 26. LCD Module
- 43 -
(LCD Module)