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LGE Property
Figure 3. SM-Power Circuit Diagram of GT350
Figure 4 charging part
- -
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
K0
01
70
2
R
K7.
4
80
2
R
1uF
C206
10
2
PT
2.2uF
C207
C208
2.2uF
1uF
C209
C210
1uF
FB201
220
C211
1uF
C212
22uF
0.1uF
C213
Fu
1
41
2
C
C215
2.2uF
C216
1uF
2.2uF
C217
R209
100K
20
2
PT
1uF
C218
K0
01
01
2
R
30
2
PT
H-
KT
R
E0
61
S
D
K
10
2
D
0.1uF
C219
C220
2.2uF
27K
R211
I
N
D
21
2
R
12
2
C
Fu
01
1uF
C222
C223
1uF
K7.
4
31
2
R
C224
DNI
C225
0.1uF
62
2
C
Fu
01
Fu
01
72
2
C
C228
0.1uF
PMB6821
EUSY0323901
U201
4
H
8
H
9
D
6
J
7
H
6
H
5
H
9
G
8
G
7
G
6
G
5
G
4
G
3
G
9
F
8
F
7
F
6
F
5
F
4
F
3
F
9
E
8
E
7
E
6
E
5
E
4
E
8
D
7
D
6
D
5
D
4
D
6
C
L2
L10
K2
J10
K1
K11
J3
J11
H3
H9
J2
J1
H10
H1
H11
H2
G10
G1
G2
G11
F11
F1
F10
F2
E11
E1
E10
E2
D1
D11
E3
D10
D2
C10
C1
C11
D3
C2
B1
1
1
L
8
A
9
J
0
1
K
9
L
9
K
8
L
8
K
7
L
8
J
7
K
6
L
7
J
6
K
5
K
5
J
5
L
4
L
4
K
3
L
3
K
4
J
1
A
4
B
1
1
B
1
L
1
1
A
9
B
0
1
A
0
1
B
9
C
9
A
8
C
8
B
6
A
7
C
7
A
5
A
7
B
5
C
6
B
5
B
4
A
4
C
3
A
3
B
3
C
2
A
2
B
M
V_
0
E
S
P
V_
T
A
D
-
C
A
+
C
A
D
N
E
P
S
U
S
N_
E
O
B
S
U
V
B
S
U_
D
D
V
P
NI
_
O
N
O
M
N
NI
_
O
N
O
M
O
N
O
M_
D
D
V
M_
X
EF
E
R
V
PT
U
O_
O
N
O
M
O
N
O
M_
S
S
V
NT
U
O_
O
N
O
M
F
E
R
R
F
E
R
V
K
NI
H
S_
H
S
AL
F
N
O_
H
S
AL
F
A
P
N
O
XT
LL
P
V
OI
LL
P
D
D
V
OI
V
2
D
S
V
3
S
M
U
P
2
S
M
U
P
1
S
M
U
P
T
R
O
PT
U
O
N
O_
R
E
W
O
P
G
O
D
W
1F
F
O_
N
O
2F
F
O_
N
O
T
U
O_
FF
O_
N
O
LT
R
C_
E
C
R
U
O
S
E
R
T
NI
_
C2I
T
A
D_
C2I
KL
C_
C2I
M
W
P_
1L
B
M
W
P_
2L
B
M
W
P_
3L
B
L
RT
N
C_
H
C
E
C
R
U
O
S_
H
C
C
U_
E
G
R
A
H
C
E
G
R
A
H
C_
D
D
V
1
NI
_
E
S
N
E
S
2
NI
_
E
S
N
E
S
F
E
R_
D
D
V
D
EL
V
1
D
S
V
RCV
VPIN
VMIN
VMME
D+
VDDMME
D-
VDDRF2
RESET_N
VRF2
RESET2_N
SLEEP1_N
VRF3
SLEEP2_N
VDDRF13_AFC
VAUDIOA
VRF1
VDDAUDIOA
VVIB
VDDSIMVIB
VDDAUDIOB
VAUDIOB
VSIM
VAUX
VAFC
VDDAUX
VRTC
SU1_GATE
SU1_GND
VDDUMTS
SU1_FB
VUMTS
SU1_ISENSE
VDDSD1
VDDSD2
SD1_FB
SD2_FB
SD1_FBL
SD2_FBL
1
S
S
V
2
S
S
V
3
S
S
V
4
S
S
V
5
S
S
V
6
S
S
V
7
S
S
V
8
S
S
V
9
S
S
V
01
S
S
V
11
S
S
V
21
S
S
V
31
S
S
V
41
S
S
V
51
S
S
V
61
S
S
V
71
S
S
V
81
S
S
V
91
S
S
V
02
S
S
V
12
S
S
V
22
S
S
V
32
S
S
V
42
S
S
V
52
S
S
V
62
S
S
V
72
S
S
V
82
S
S
V
92
S
S
V
03
S
S
V
F
E
R
V_
S
S
V
1
D
S_
S
S
V
2
D
S_
S
S
V
Fu
1
92
2
C
C230
2.2uF
L201
10uH
1uF
C231
C232
1uF
H-
KT
R
E0
61
S
D
K
20
2
D
0.1uF
C233
43
2
C
Fu
1
20
2L
Hu
01
C235
2.2uF
2.2u
C236
C237
1uF
20
2
BF
02
2
u2.
2
93
2
C
C240
10u
10u
C241
1uF
C242
VBAT
VBAT
VBAT
VBAT
VBAT
VBAT
VBAT
VBAT
VBAT
USB_SE0_VM
N
E
_
Y
E
K
G
O
D
W
2V0_VRTC
1V35_VPLL
2V9_VMME
1V35_VCORE
2V5_VAUDB
TXON_PA
RTC_OUT
USB_DAT_VP
L
R
T
C
_
E
C
R
U
O
S
E
R
USB_DP
USB_DM
VCHG_OUT
T
N
I
_
R
E
W
O
P
S
_PMRST
1V8_VSD
1V8_VSD
_USB_OE
2V62_VIO
2V9_VSIM
2V5_VAUDA
L
C
S
_
1
C
2
I
A
D
S
_
1
C
2
I
2V8_VCAM_A
3V1_VUSB
ON_OFF2
2
F
F
O
_
N
O
L
B
_
Y
E
K
_
Y
T
R
E
W
Q
2V85_VRF
1V53_VRF
BT_VCXO_EN
VCXO_EN
2V7_VBT
2V9_VAUX
N
O
R
W
P
2V85_VCAMIO
2V65_VTOUCH
PMIC
(1608)
(1608)
(1608)
(1608)
(1608)
(1608)
(1608)
3.3K
R301
CN301
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
22p
C301
EUSY0388501
U301
BQ25040
5
6
7
4
8
3
9
2
10
1
11
PGND
IN
BAT
ISET
_PG
VSS1
CHG
LDO
VSS2
EN_SET
IFULL
1u
C303
C304
1u
100K
R305
27p
C305
R306
100K DNI
R307
0.1u
C312
3
A1
B5
01
C
P1
2
MF
N
10
3L
F
4
3
2
1
NI
T
U
O
1
G
2
G
C
CL
50
F
M
S
V
10
3
D
4
3
5
2
6
1
820
R326
VBAT
_PPR
_CHG_EN
VCHG_OUT
VBUS_VCHG
VBUS_VCHG
2V62_VIO
_CHG_EOC
MUIC_DM
MUIC_DP
MUIC_ID
(645mA) (100mA)
Micro USB
Single Charging IC for uUSB
(1%)
(1%)
(1608,25V,K,X5R)
(1608,25V,K,X5R)
(1005,50V,J,NP0)
Содержание GT350
Страница 1: ...Service Manual Model GT350 Internal Use Only Service Manual GT350 Date May 2010 Issue 1 0 ...
Страница 117: ... 118 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 127: ... 128 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 131: ... 132 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 151: ... 152 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...