LG GD580, Руководство по обслуживанию

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4. Trouble Shooting
4. Trouble Shooting
4. TROUBLE SHOOTING
4.1 Power ON Trouble
START
No
Change main board
change
main battery
Yes
Yes
No
No
The voltage of mainbattery
is higher than 3.3V ?
END key operates well?
UART_TX( TP1 ) level is 1.8V
when END key pressed.
Follow the
keypad Trouble
shooting guide
Check
the voltage.
VRADA_2V8 ( TP2 ) 2.8V
VDDD_1V5 ( TP3 ) 1.5V
VDDE_1V8 ( TP4 ) 1.8V
VDDC_2V65( TP5 ) 2.65V
VDDH_2V75( TP6 ) 2.75V
VDDF_2V5 ( TP7 ) 2.5V
VDDG_2V85 ( TP8 ) 2.85V
VDDK_2V75( TP9 ) 2.75V
VCORE( TP10 ) 1.2V
TP1
TP3 TP4
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP1
0
< Main Board – Bottom side >
TP2
n 0 0 1
1 0 6 C
N O
1 0 6 T U
2 1
1 1
0 1
9
8
7
6
5
4
3
2
1
D N G
X R
X T
1 C N
W S _ N O
T A B V
2 C N
3 C N
4 C N
R S D
S T R
S T C
D N G
X R
X T
R A H C V
W S _ N O
T A B V
R W P
D X R U
D X T U
G 3 G 5 . 2
T A B V H S A L F P P V D N G Y A R R A
T A B V
T U R U
0 7 4 8 2 6 R
0 7 4 9 2 6 R
K 1 0 3 6 R
H S A L F P P V
N _ B W S N O
X T _ T R A U _ C C A _ P P A
X R _ T R A U _ C C A _ P P A
N I C D
T R A U
T N I O P P T Y A R R A
B S U
0
6 0 4 R
0
7 0 4 R
6 0 4 C
u 1
5 7 V 2 _ K D D V
8 0 4 R
0
0
9 0 4 R
RB5
2
1
S
-3
0
D4
0
1
n 0 0 1
7 0 4 C
C _ T A B V
u 7 . 4 1 0 4 L
5 7 V 2 _ H D D V
1 0 4 T A B
u 0 1
9 0 4 C
8 V 2 _ A D A R V
0 1 4 C
u 1
2 1 4 C
u 2 . 2
8 V 1 _ D A R G I D V
4 1 4 C
u 1
u 0 1
5 1 4 C
u 1
6 1 4 C
u 1
7 1 4 C
E R O C V
T A B V
5 8 V 2 _ G D D V
9 1 4 C
u 1 u 1
0 2 4 C
9 1 4 R
0
8 V 1 _ E D D V
1 0 4 B F
B
L
M
1
8P
G
121S
N
1
J
120
0
3 2 4 R
5 V 1 _ D D D V
5 V 2 _ F D D V
K 7 . 4
9 2 4 R
4 3 4 R
0
u 1
6 3 4 C
T A B V
1 B
1 A
2 A
2 B
1 1 J
2 1 M
7 A
9 A
2 1 B
1 1 A
2 1 D
2 1 F
1 1 B
2 1 C
A _ D D V
O D L T X E
D _ D D V
E _ D D V
C _ D D V
H _ D D V
F _ D D V
G _ D D V
K _ D D V
P L D D V
K C U B V
K C U B D D V
K C U B W S
K C U B S S V
5 6 V 2 _ C D D V
0
8 3 4 R
8 V 1 _ E D D V
T A B V
8 V 1 _ D A R G I D V
8 V 2 _ A D A R V
5 7 V 2 _ K D D V
5 V 2 _ F D D V
5 7 V 2 _ H D D V
5 8 V 2 _ G D D V
5 6 V 2 _ C D D V
5 V 1 _ D D D V
P U K C A B V
E R O C V
B F _ K C U B V
E R O C V h t i w l e l l a r a P
) z H M 0 0 1 @ ( m h o 0 2 1 8 0 6 1
e n a l P d n u o r G l a c o L
J 1 N S 1 2 1 G P 8 1 M L B
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10