8. CIRCUIT DIAGRAM
- 128 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6
C
I
G
N
I
G
R
A
H
C
D
E
8
0
6
1
5
3
T
E
S
E
R
L
A
N
R
E
T
X
E
F
8
F
0
1
A
m
0
0
6
7
8
0
6
1
1
A
m
7
1
1
5
k
c
o
l
c
K
2
3
V
8
.
1
%
1
C
I
M
P
8
0
6
1
B
%
1
n
O
r
e
w
o
P
e
t
o
m
e
R
8
0
6
1
1
1
B
1608
6
2
1
2
1
3
%
1
A
4
H
M
F
+
H
T
O
O
T
E
U
L
B
G
A
D
9
8
0
6
1
8
0
6
1
9
H
8
0
6
1
2
1608
C
A
m
8
7
3
8
0
6
1
8
8
0
6
1
4
0
1
1608
7
8
0
6
1
8
0
6
1
1608
C
2
T
M
S
t
o
N
G
1
R
O
T
C
E
N
N
O
C
Y
R
E
T
T
A
B
E
1608
1
1
%
1
1608
VBATT
36
VDDIO
13
VDDR3V
37
VDDRF
35
VDDTF
28
34
VREG_CTL
N
_
L
A
T
X
8
1
P
_
L
A
T
X
9
1
I2S_SCK
24
25
I2S_SDO I2S_WS
23
0
3
N
I
_
O
P
L
K
L
C
_
M
C
P
3
N
I
_
M
C
P
2
8
3
T
U
O
_
M
C
P
4
C
N
Y
S
_
M
C
P
33
RST_N
0
M
T
4
1
S
T
C
_
T
R
A
U
1
1
S
T
R
_
T
R
A
U
8
D
X
R
_
T
R
A
U
9
D
X
T
_
T
R
A
U
0
1
L
F
A
V
6
1
R
F
A
V
5
1
1
D
N
G
1
2
4
0
1
D
N
G
2
D
N
G
5
3
D
N
G
7
4
D
N
G
2
1
0
2
5
D
N
G
1
3
6
D
N
G
7
D
N
G
9
3
0
4
8
D
N
G
9
D
N
G
1
4
21
GPIO0 GPIO1
17
22
GPIO5
7
2
6
O
I
P
G
K
L
C
_
C
2
I
9
2
A
T
A
D
_
C
2
I
6
2
D
S
_
8
V
1
1
0
2
M
A
1
6
5
B
-
A
C
B
R
T
N
A
_
T
B
6
T
N
A
_
M
F
2
3
R213
4.7K
2
4
2
C
u
1
0
.
0
2.2u
C228
7
3
2
C
u
2
.
2
T
A
B
V
2
6
2
C
I
N
D
TP204
u
1
.
0
1
4
2
C
1
0
2
R
K
0
0
1
4
6
2
C
TP212
u
2
.
2
6
3
2
C
u
2
.
2
u
2
.
2
3
1
2
C
D
S
_
8
V
1
FB205
3
4
2
C
u
1
0
.
0
T
A
B
V
7
2
A
3
1
B
6
2
B
2
D
N
G
4
C
C
V
8
1
Y
1
2
Y
5
T
A
B
V
O
I
V
_
2
6
V
2
2
0
2
U
X
8
L
8
0
Z
W
7
C
N
1
A
RB521S-30
D202
TP206
2
3
2
R
u
1
K
7
4
9
3
2
C
u
2
.
2
C
T
R
_
1
1
V
2
0
6
2
C
C229
1
2
2
C
u
1
.
0
4.7u
M
3
.
3
u
1
8
0
2
R
1
6
2
C
0
0
5
2
R
3
6
2
C
I
N
D
2
0
2
B
F
K
7
.
4
2
0
2
R
2
0
2
L
H
u
0
1
u
0
1
T
A
B
V
G
H
C
V
_
B
S
U
4.7K
R211
3
2
2
C
1
2
2
R
K
0
0
1
1
3
2
R
K
8
1
9
0
2
R
I
N
D
TP203
D
S
_
8
V
1
5
3
2
C
R235
u
2
.
2
0
K
0
0
1
0
2
2
R
p
0
0
1
6
4
2
C
8
1
2
C
u
7
.
4
5
N
E
D
N
G
4
7
1
C
C
V
_
O
I
2
C
C
V
_
O
I
6
2
1
L
V
_
O
I
3
2
L
V
_
O
I
C
C
V
8
L
V
1
D
S
_
8
V
1
G
A
T
U
M
3
7
3
3
X
S
L
N
3
0
2
U
7
5
2
C
A
D
U
A
V
_
5
V
2
TP202
C208
u
1
2.2u
1
0
2
B
F
K
7
2
7
0
2
R
1
0
2
L
H
u
0
1
u
7
.
4
9
1
2
C
3
0
2
D
0
3
-
S
1
2
5
B
R
0
3
2
2
R
I
N
D
4
2
2
R
E
R
O
C
_
5
3
V
1
C202
T
B
V
_
5
8
V
2
2.2u
0
1
2
R
K
7
4
4
0
2
C
u
1
u
1
8
5
2
C
T
A
B
V
2.2u
C209
E
5
7
0
4
C
T
K
2
3
1
p
8
1
2
0
2
Q
3
0
2
C
2
5
2
C
H
n
1
u
1
.
0
5
4
2
C
C210
C220
10u
C
T
R
_
1
1
V
2
0.1u
E
5
7
0
4
C
T
K
1
0
2
Q
2
3
1
6
0
2
R
K
7
4
p
2
2
5
5
2
C
O
I
V
_
2
6
V
2
0
4
2
C
u
2
.
2
K
1
7
0
2
B
F
T
A
B
V
R212
4.7K
M
F
V
_
5
8
V
2
O
I
V
_
2
6
V
2
1
R234
C226
2.2u
TP205
F
R
V
_
5
V
1
3
0
2
L
A
N
0
5
2
C
p
0
0
1
6
5
2
C
p
6
5
4
0
2
R
u
3
3
5
0
2
C
0
1
2
P
T
T
B
V
_
5
8
V
2
M
3
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3
1
0
2
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L
L
P
V
_
5
3
V
1
u
2
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2
K
0
1
7
1
2
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C207
u
1
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A
B
V
1u
4
1
2
C
u
2
.
2
1
3
2
C
I
N
D
8
1
2
R
3
3
2
C
u
1
100K
R215
C216
10u
2
3
1
B
D
U
A
V
_
5
V
2
7
0
2
P
T
3
0
2
Q
E
5
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0
4
C
T
K
5
2
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4
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2
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M
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2
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A
B
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9
4
2
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K
3
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1
1
0
3
2
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p
0
1
10u
F
R
V
_
5
8
V
2
D
C
L
V
_
5
8
V
2
C217
K
0
0
1
7
2
2
R
C230
4.7u
6
0
2
C
u
2
.
2
3
5
2
C
TP211
I
N
D
K
0
1
9
1
2
R
C212
1u
FB206
1
0
2
N
C
1
D
2
D
1
2
3
9
0
2
P
T
u
2
.
2
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I
V
_
2
6
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2
8
0
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T
8
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4
3
2
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T
A
B
V
u
2
.
2
K
7
.
4
3
0
2
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O
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2
6
V
2
9
2
2
R
9
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D
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D
N
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P
3
1
P
Y
B
_
B
S
U
0
1
1
C
D
V
2
1
P
Y
B
_
C
D
V
B
S
U
V
2
4
G
H
C
_
5
N
E
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R
P
P
_
3
G
H
C
V
K
7
.
4
1
2
2
9
L
S
I
4
0
2
U
1
1
T
A
B
D
N
G
8
N
I
M
I
6
7
B
S
U
I
u
1
.
0
1
1
2
C
2
2
2
R
n
T
S
R
M
P
TP215
0
FB204
u
1
B
S
U
V
TP213
2
2
2
C
9
5
2
C
u
0
1
u
7
.
4
8
4
2
C
3
0
2
B
F
D
S
_
8
V
1
C
T
R
_
1
1
V
2
VSS30
VSS4
D6
D7
VSS5
VSS6
D8
VSS7
E4
VSS8
E5
E6
VSS9
C7
VSS_MONO
VSS_SD1
H8
H4
VSS_SD2
D9
VSS_VREF
1
1
J
S
T
M
U
V
A4
VUSB
B
I
V
V
1
1
F
WDOG
L3
F6
F7
VSS17
VSS18
F8
F9
VSS19
D4
VSS2
VSS20
G3
G4
VSS21
VSS22
G5
VSS23
G6
G7
VSS24
VSS25
G8
G9
VSS26
VSS27
H5
H6
VSS28
VSS29
H7
D5
VSS3
J6
C8
VREFEX_M
A5
0
1
F
1
F
R
V
2
F
R
V
1
1
D
3
F
R
V
0
1
E
C
T
R
V
0
1
H
VSD1
L11
VSD2
L1
M
I
S
V
0
1
G
C6
VSS1
VSS10
E7
E8
VSS11
VSS12
E9
F3
VSS13
VSS14
F4
F5
VSS15
VSS16
1
1
E
0
1
D
2
F
R
D
D
V
1
D
S
D
D
V
1
1
K
2
D
S
D
D
V
1
K
1
1
G
B
I
V
M
I
S
D
D
V
S
T
M
U
D
D
V
9
H
VDD_CHARGE
K9
B7
VDD_MONO
VDD_REF
J9
B5
VDD_USB
A11
VIO
A8
VLED
N
I
M
V
3
D
1
1
C
E
M
M
V
2
C
N
I
P
V
VPLL
A10
VREF
1
E
3
H
B
F
_
1
U
S
1
J
E
T
A
G
_
1
U
S
D
N
G
_
1
U
S
2
J
E
S
N
E
S
I
_
1
U
S
3
J
A3
SUSPEND
TXONPA
B10
1
1
H
C
F
A
V
2
F
A
O
I
D
U
A
V
B
O
I
D
U
A
V
1
G
2
H
X
U
A
V
A
O
I
D
U
A
D
D
V
1
F
2
G
B
O
I
D
U
A
D
D
V
X
U
A
D
D
V
1
H
E
M
M
D
D
V
0
1
C
B9
VDDPLLIO
C
F
A
_
3
1
F
R
D
D
V
PUMS1
PUMS2
B4
B11
PUMS3
V
C
R
1
B
N
_
2
T
E
S
E
R
1
D
3
E
N
_
T
E
S
E
R
RESOURCE_CRTL
J5
B8
RREF
0
1
J
B
F
_
1
D
S
L
B
F
_
1
D
S
0
1
L
B
F
_
2
D
S
2
K
L
B
F
_
2
D
S
2
L
B2
SE0_VM
SENSE_IN1
L9
K10
SENSE_IN2
2
E
N
_
1
P
E
E
L
S
N
_
2
P
E
E
L
S
A2
C9
FLASH_ON
FLASH_SHINK
A9
J7
I2C_CLK
I2C_DAT
K6
K5
I2C_INT
MONO_INN
C5
MONO_INP
B6
MONO_OUTN
A6
MONO_OUTP
A7
OE_N
C4
K4
ON_OFF1
L4
ON_OFF2
L5
ON_OFF_OUT
OUTPORT
J4
K3
POWER_ON
A1
1
2
8
6
B
M
P
1
0
2
U
B3
AC+
AC-
C3
L6
BL1_PWM
BL2_PWM
K7
J8
BL3_PWM
CHARGE_UC
L8
CH_CNTRL
L7
K8
CH_SOURCE
1
C
+
D
-
D
2
D
DAT_VP
p
9
3
7
4
2
C
I
N
D
C
T
R
_
1
1
V
2
6
2
2
R
6
1
2
R
K
0
0
1
K
0
0
1
8
2
2
R
1
0
2
T
N
A
D
E
E
F
1
C
N
2
C
N
u
2
.
2
T
A
B
V
5
2
2
C
u
1
.
0
4
2
2
C
TP214
5
1
2
C
K
0
0
1
3
3
2
R
u
1
4
1
2
R
K
0
0
1
T
A
B
V
E
M
M
V
_
9
V
2
0
5
0
2
R
p
3
1
5
2
C
p
8
.
1
4
4
2
C
1
0
2
D
V
1
3
3
R
D
K
3
1
2
F
R
V
_
7
V
2
C227
4.7u
DBB_BT_INT
BT_INT
X
R
_
T
R
A
U
_
T
B
X
T
_
T
R
A
U
_
T
B
BL1
BL2
I2S_WS
I2S_SDO
I2S_SCK
BL3
BT_RESETn
BT_VCXO_EN
8
V
1
_
K
2
3
K
L
C
K
2
3
K
L
C
8
V
1
_
K
2
3
K
L
C
C
N
Y
S
_
M
C
P
_
T
B
K
L
C
_
M
C
P
_
T
B
X
T
_
M
C
P
_
T
B
X
R
_
M
C
P
_
T
B
K
L
C
_
T
B
T
N
A
_
M
F
L
_
T
U
O
_
O
I
D
A
R
R
_
T
U
O
_
O
I
D
A
R
N
O
R
W
P
D
I
_
T
A
B
S
T
C
_
T
R
A
U
_
T
B
S
T
R
_
T
R
A
U
_
T
B
PWRON
G
H
C
V
_
P
V
O
T
C
E
T
E
D
_
A
T
B
B
D
_
N
O
R
W
P
R
WDOG
SDA_PMIC
N
I
_
Y
E
K
_
D
N
E
Y
E
K
_
D
N
E
n
T
S
R
M
P
T
E
S
E
R
_
T
N
I
_
M
P
T
N
I
_
R
E
W
O
P
S
B
S
U
V
_
P
V
O
R
P
P
_
n
T
S
R
T
X
E
MAIN_KEY_LED
B
S
U
V
_
P
V
O
G
H
C
V
_
P
V
O
N
E
_
G
H
C
C
O
E
_
MAIN_KEY_EN
2
F
F
O
_
N
O
T
U
O
_
C
T
R
0
N
I
Y
E
K
0
T
U
O
Y
E
K
N
E
_
N
O
R
W
P
R
N
I
_
Y
E
K
_
D
N
E
n
T
S
R
M
P
P
V
_
T
A
D
_
B
S
U
M
V
_
0
E
S
_
B
S
U
P
D
_
S
F
_
B
S
U
M
D
_
S
F
_
B
S
U
SCL_PMIC
SPOWER_INT
n
E
O
_
B
S
U
ON_OFF2
RESOURCE_CTRL
N
E
_
O
X
C
V
_
M
P
N
E
_
O
X
C
V
_
T
B
Содержание GM310
Страница 1: ...Service Manual Model GM310 Internal Use Only Service Manual GM310 Date April 2009 Issue 1 0 ...
Страница 141: ... 142 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 159: ... 160 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...