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5. Trouble shooting
5.2 Power on Trouble
Check Points
- Battery Voltage( Need to over 3.35V)
- Power-On Key detection (PWRON signal)
- Outputs of LDOs from PMIC
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Power On
RTC_2V11
K
2
5
1
2
R
4
1
2
R
K
2
3
1
4
2
5
6
U203
EMX18
EQBN0013701
3
1
2
R
K
0
3
3
7
1
2
R
M
3
.
3
K
0
0
1
0
2
2
R
u
0
1
1
3
2
C
N
E
_
N
O
R
W
P
R
N
O
R
W
P
R
N
O
R
W
P
N
I
_
Y
E
K
_
D
N
E
External Reset
u
1
.
0
2
3
2
C
K
0
0
1
6
1
2
R
U204
7
1
A
3
2
A
6
1
B
2
2
B
4
D
N
G
8
C
C
V
1
1
Y
5
2
Y
VIO_2V62
EUSY0102802
NC7WZ08L8X
RTC_2V11
n
T
S
R
T
X
E
T
N
I
_
R
E
W
O
P
S
T
N
I
_
M
P
n
T
S
R
M
P
T
E
S
E
R
_
TP1
TP2
Содержание KP500
Страница 1: ...Service Manual Model KP500 Service Manual KP500 Date October 2008 Issue 1 0 Internal Use Only ...
Страница 119: ... 120 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 127: ... 128 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 147: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 148 ...
Страница 169: ...Note ...
Страница 170: ...Note ...