LG B2000 Service Manual

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4 . TROUBLE SHOOTING
Checking Flow
START
Is the voltage level VBAT
3.6~4.2V?
Are all LEDs
Working?
Backlight will work properly
Replace or resoldering
component
Check the soldering
each R and LED
Charge battery
YES
NO
NO
NO
YES
CIRCUIT DIAGRAM
T
HGILKCAB YEK
H
4
1S
-B
B
EL
5
03DL
u1
9
13C
7
4
8
4
3
R
7
4
7
4
3R
6
43R
7
4
9
43
R
74
74
5
43
R
40
3
DL
H41S-
B
BE
L
TABV
2
23C
u
1
u
1
3
23C
H
41
S
-BBEL
00
3
D
L
023
C
u
1
1
2
3
C
u1
8
13
C
u
1
H
41
S
-BBEL
3
0
3D
L
44
3
R
74
1
0
3
D
L
H
4
1
S
-
BB
E
LH4
1
S
-B
B
E
L
2
03DL
2
LB_YE
K
_
ID
I
M
1L
B
_
Y
E
K_
I
DIM

LG B2000 Specifications

General

Brand	LG
Model	B2000
Category	Cell Phone
Language	English