Camera Flash Trouble - LG T5100 Service Manual

3.15 Camera Flash Trouble

DBB
FLASH_EN
Camera Flash Operation
- Camera Flash is operated with LM2750_DX(5.0V)
- The Chip-Select of LM2750_DX is Low_signal which come by FLASH_EN(DBB).-
- The LEDs are forward biased and turned on.
Check Points
- Signal : FLASH_EN
- LED
- Power Source : VBAT, 2V8_CAM,
Trouble Shooting Setup
- Connect PIF-UNION to the phone, and power on.
- Go to menu "Camera
3. BASEBAND PART TROUBLE SHOOTING
Block Diag ram
LM2750
LDX_5.0
_SD
Flash On"
R506,R508,R509,R507
U501, R800, FLASH_EN, C524
Figure 44. Camera Flash Path
- 67 -