- 121 -
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.3K
R301
CN301
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
0
R302
22p
C301
0
R303
KJA-PH-0-0176
ENJE0007601
J301
2
3
6
5
4
1
M5_MIC
M4_L
M3_DETECT
ASSIST
M1_R
M6_GND
0
R304
100n
L305
0.1u
C302
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
1800
FB303
100K
R305
27p
C305
R306
100K DNI
R307
MIC301
SUMY0010609
SPU0410HR5H-PB
4
3
2
1
P
G1
G2
O
C306
10u
05
02
0
S4
1
CL
V
E
10
3
A
V
0
R308
100n
L301
C307
22n
L302
100n
22n
C308
C309
39p
C310
39p
39p
C311
TS5USBA33402
EUSY0372001
U302
4
B
D2
B2
A1
A2
B3
C2
A4
C1
A3
D1
E4
D3
D4
E3
E2
C3
E1
C4
1
B
YL
P
P
U
S
V
UART_TX
VBUS
UART_RX
DM
DP
USB_DM
ID
USB_DP
AUDIO_L
R2_2K
AUDIO_R
MIC
DSS
_INT
SDA
CLDO
SCL
GND
T
E
SI
0
R309
33
R310
0
R311
R312
33
10K
R313
ULCE0505C015FR
VA302
FB301
1800
FB302
1800
10K
R314
0.1u
C312
100
R330
LM49151TLX
EUSY0390501
U303
4
E
4
D
3
D
4
C
2
A
E2
B3
B2
A1
C3
E3
C2
D2
C1
A3
D1
A4
E1
4
B
1
B
D
D
V
D
D
V
SL
INM+
LSOUT+
INM-
LSOUT-
INL
SET
INR
HPL
BYPASS
I2CVDD
SDA
SCL
HPR
D
N
G
S
S
V
P
C
N1
C
P1
C
D
N
G
P
C
220n
C313
220n
C314
30
3
A
V
40
3
A
V
C315
1u
TP301
50
3
A
V
270p
C316
3
A1
B5
01
C
P1
2
MF
N
10
3L
F
4
3
2
1
NI
T
U
O
1
G
2
G
R315
100K
NCS2200SQ2T2G
EUSY0250501
U304
2
3
1
4
5
VCC
VIN-
OUT
VIN+
GND
1.5K
R316
22n
C317
220n
C318
220n
C319
2.2K
R317
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
n0
01
30
3L
DNI
R318
220n
C320
220n
C321
2.2u
C322
0.1u
C323
0
R319
2.2u
C324
C325
2.2u
0.1u
C326
100K
R320
22p
C337
DNI
R322
0.1u
C327
C328
0.1u
0.1u
C329
R323
200Kohms
R324
0
0.1uH
L304
1n
C330
100K
R325
ZD2
C
CL
50
F
M
S
V
10
3
D
4
3
5
2
6
1
ZD1
820
R326
39p
C331
39p
C332
270p
C333
39p
C334
22n
C335
2.2K
R327
10u
C336
120p
C338
0.1u
C339
220K
R328
1M
R329
VBAT
VBAT
VBAT
_PPR
_CHG_EN
VMIC_P
VMIC_N
2V5_VAUDB
HS_MIC_P
MAIN_MIC_P
HS_MIC_N
MAIN_MIC_N
USB_DP
USB_DM
UART_TX
UART_RX
VCHG_OUT
VCHG_OUT
RCV_P
RCV_N
I2C2_SCL
I2C2_SDA
VBUS_VCHG
VBUS_VCHG
VBUS_VCHG
BB_SND_R
BB_SND_L
2V62_VIO
2V62_VIO
2V62_VIO
2V62_VIO
2V62_VIO
_MUIC_INT
_CHG_EOC
I2C1_SCL
I2C1_SDA
3V1_VUSB
MUIC_DM
MUIC_DM
MUIC_DP
MUIC_DP
MUIC_ID
MUIC_ID
HSO_R
HSO_R
HSO_L
HSO_L
RCV_SPK_N
HOOK_DETECT
JACK_DETECT
FM_SND_L
FM_SND_R
RCV_SPK_P
FM_ANT_1
FM_ANT_2
EAR_GND
EAR_GND
EAR_GND
EAR_GND_2
(645mA) (100mA)
Micro USB
AUDIO AMP SUB SYSTEM & SIGNAL DISTRIBUTOR
MUIC
Single Charging IC for uUSB
MIC
- Audio AMP I2C Power Net Name changed
Rev.B
- IO Con. Part changed(ENRY0008801 -> ENRY0010801)
- Charging current setting register value changed
(1608,25V,K,X7R)
(1%)
(1%)
(1608,25V,K,X5R)
(1608,25V,K,X5R)
(1005,50V,J,NP0)
Rev.C
- MUIC part : R312 value changed (300K => 100K)
3.5phi HEADSET
(1608)
(1608)
Содержание GT350
Страница 1: ...Service Manual Model GT350 Internal Use Only Service Manual GT350 Date May 2010 Issue 1 0 ...
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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 ...