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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.11 Photo senser trouble
Check Points
- photo senser soldering`
- FPCB_Folder Crack
NC1
2
3
NC2
4
NC3
NC4
5
6
OUT
1
VCC
APDS-9005-020
U100
2V9_VFM
C101
DNI
R101
12K
PHOTO_ADC_IN
START
Pin6 of U100 is
high?
FPCB is Crack?
Resolder or
Replace photo
senser
Check and Replace
charge pump.
(U101)
Yes
No
No
Pin1 of photo senser(U100)
is high(2.9v)?
Yes
No
Check Fpcb_folder
and replace
Yes
U100(Photo senser)
Replace FPCB_Folder and
Assemble
CHARGE PUMP
2.2u
C118
1u
C117
1V8_CAM
A2
VBAT
C4
C3
VSS
B2
VSS_CP
CURR31
CURR32
E3
CURR33
D3
CURR41
C1
E1
CURR42
D1
CURR43
E4
CURR6
DATA
A6
DCDC_FB
D6
DCDC_GATE
B5
DCDC_SNS
C6
A1
GPIO
D2
RGB1
RGB2
E2
C2
RGB3
E6
V2_5
VANA_GPI
U101
AS3675
B1
AUDIO_IN
C1_N
B3
C1_P
A4
A3
C2_N
B4
C2_P
CLK
B6
A5
CP_OUT
E5
CURR1
D5
CURR2
C5
CURR30
D4
1u
C112
1u
C111
1u
C115
VBAT
1u
C113
2.2u
C116
AUDIO_IN
LED2
LED3
LED4
LED5
LED6
PHOTO_ADC_IN
SCL
MLED
MLED5
MLED1
MLED2
MLED3
MLED4
SDA
LED1
Содержание KF350
Страница 1: ...Service Manual Model KF350 Service Manual KF350 Date October 2008 Issue 1 0 Internal Use Only ...
Страница 127: ... 128 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 174: ...Note ...
Страница 175: ...Note ...