LG HB620 Service Manual

LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.8 Camera trouble
Camera control signals are generated by MSM6280 and directly connected with Cameras.
HB620T has two cameras. The one is a 2 M Camera, the other is VGA camera.
Check the main Board
I2C_SCL(R213), I2C_SDA(R214),CAM_SYSCLK(R502),
CAM_PCLK(# 61 CN502), M_CAM_RESET_n(# 10 CN502),
CAM_VSYNC(FB501), CAM_HSYNC(FB502
CAM_DATA[ 0]~[7](FB506,FB507)
Check the LCD FPCB
I2C_SCL(# 23 CN104), I2C_SDA(# 22 CN104),
CAM_SYSCLK(# 18 CN104),
CAM_PCLK(C951), M_CAM_RESET_n(VA110),
CAM_VSYNC(# 20CN104), CAM_HSYNC(# 19 CN104
CAM_DATA[ 0]~[7](#2~#9 CN104)
Camera is OK?
Check the camera connector and
reconnect the camera(LCD FPCB)
N
O
End
Yes
2M START
Yes
Yes
Check the LCD FPCB
VREG_CAM_AVDD_2. 9V(C107 )
VREG_CAM_AVDD_2. 8V(C955 )
VREG_CAM_AVDD_1. 5V(C956 )
Change the Main Board
N
O
Change the LCD FPC
B
N
O
Camera is OK?
Ye
s
End
NO
YE
S
Change the CAMER
A
Camera is OK?
N
O
Yes
Check the main Board
I2C_SCL(R213), I2C_SDA(R214),CAM_SYSCLK(R502),
CAM_PCLK(# 61 CN502), M_CAM_RESET_n(# 10 CN502),
CAM_VSYNC(FB501), CAM_HSYNC(FB502
CAM_DATA[ 0]~[7](FB506,FB507)
Check the LCD FPCB
I2C_SCL(# 23 CN104), I2C_SDA(# 22 CN104),
CAM_SYSCLK(# 18 CN104),
CAM_PCLK(C951), M_CAM_RESET_n(VA110),
CAM_VSYNC(# 20CN104), CAM_HSYNC(# 19 CN104
CAM_DATA[ 0]~[7](#2~#9 CN104)
Camera is OK?
Check the camera connector and
reconnect the camera(LCD FPCB)
N
O
End
Yes
2M START
Yes
Yes
Check the LCD FPCB
VREG_CAM_AVDD_2. 9V(C107 )
VREG_CAM_AVDD_2. 8V(C955 )
VREG_CAM_AVDD_1. 5V(C956 )
Change the Main Board
N
O
Change the LCD FPC
B
N
O
Camera is OK?
Ye
s
End
NO
YE
S
Change the CAMER
A
Camera is OK?
N
O
Yes
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LG HB620 Specifications

General

Brand	LG
Model	HB620
Category	Cell Phone
Language	English