LG L1150 Service Manual page 81

4. TROUBLE SHOOTING
The power is supplied to U501?
The soldering of U501 is OK?
The signal "TX_IrDA, RX_IrDA"
START
Set c onfiguration like Fig 1.
Execute PCSync
program(ContentsBank.exe)
Yes
Yes
are measured?
The DBB is broken.
Change the board.
PC
Illumination
- 80 -
Resolder the
No
R501, C503.
No
Resolder the U501.
No
Change the U501.
Cone
30 Cm
Phone