- 111 -
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C336
220p
100p
C347
33p
C315
1u
C313
DNI
C338
1u
C305
942.5MHz
FL301
4
5
1
3
2
G1 O1
IN
G2 O2
1842.5MHz
FL302
4
5
1
3
2
G1 O1
IN
G2 O2
1960MHz
FL303
4
5
1
3
2
G1 O1
IN
G2 O2
C317
1p
C324
L306 2.4n
L307 2.4n
C310
1p
L304
DNI
6p
C334
TP300
L305
15n
7p
C307
TP301
TP302
C343
2.2u
TP303
TP304
TP306
1n
C303
C308
7p
6p
C327
100K
R303
10K
R319
18K
R301
33p
C345
DNI
C325
0
R309
C302
5.6p
ZD301
VIO
L321 1.2n
VBAT
VIO
ANT302
3.3p
C312
1K
R302
10n
L315
ANT300
100K
R304
C322
3.3p
R305
0
10K
R306
33p
C346
C328
5.6p
100n
C314
BT_2V8
100K
R307
C301 5.6p
R321
1
1n
C319
ANT303
SDBTPTR3015
2
3
1
4
DUMMY3
FEED
DUMMY2
DUMMY1
DNI
C320
BT_2V8
DNI
C321
5.6p
C330
L301
10n
2450MHz
LFB212G45BA1A220
FL304
5
6
7
4
8
3
2
1
NC
NC_DC
UB
3
G
1
G
B2
G2
B1
22n
L319
BT_2V8
15K
R313
1u
C306
881.5MHz
FL305
4
5
1
3
2
G1 O1
IN
G2 O2
1n
C304
DNI
C337
DNI
C316
DNI
L302
L311 6.8n
51K
R320
VA300
DNI
MT6612
U302
43
5
9
53
8
91
51
41
01
11
21
32
31
33
32
25
30
29
6
7
3
4
1
40
26
24
27
28
36
39
2
37
38
13
20
21
22
16
18
17
14
D
A
P
D
N
G
RFTEST1
RFTEST2
RFTEST3
RF2G_N
RF2G_P
RES_IN
OSC_IN
TESTMODE
SRCLKENA
SYSRST_B
EXT32K
GPIO0
GPIO1
GPIO4
GPIO5
ECLK_SEL
UTXD1
URXD1
PCMCLK
PCMSYNC
PCMOUT
PCMIN
JTCK
JTRST_B
JTDI
JTMS
JTDO
JRTCK
1_
82
C
C
V
N
E8
2
O
DL
T
A
B
V
T
U
O_
82
C
C
V
2_
82
C
C
V
3_
82
C
C
V
4_
82
C
C
V
5_
82
C
C
V
82
D
D
V
T
U
O
O
DL
_2
1
D
D
V
1_
21
D
D
V
2_
21
D
D
V
C323
1u
18n
L303
C309
1.5p
C326
10u
U301
SI4704-D50-GMR
12
61
71
81
91
02
11
12
13
14
15
01
9
8
7
6
5
4
3
2
1
NC1
FMI
RFGND
LPI
RST_
_
NE
S
KL
CS
OI
DS
KL
C
R DV
DOUT
LOUT
ROUT
GND
VA
2
C
N
1
OP
G
_T
NI
_2
0P
G
KL
C
D_
3
OP
G
SF
D
G
UL
S_
G
10n
L300
2.4n
L308
2.4n
L309
1p
C318
L320
6.8n
L310
39n
ANT304
TP307
C350
2p
C311
12p
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
VRF
33p
C329
22p
C332
SKY77547
U303
34
35
36
16
15
14
13
12
11
10
31
32
33
71
9
81
8
91
7
02
6
12
5
22
4
32
3
42
2
25
26
27
28
29
30
1
GND1
VBATT
DCS_PCS_IN
GND17
GSM_IN
GND16
GND15
CI
G
OL
V
41
D
N
G
P
M
A
R
V
31
D
N
G
N
E_
XT
21
D
N
G
1
S
B
11
D
N
G
2
S
B
01
D
N
G
2
D
N
G
9
D
N
G
3
D
N
G
8
D
N
G
4
D
N
G
T
N
A
PGND3
PGND2
PGND1
GND5
RX1
RX2
RX3
RX4
GND6
GND7
PGND6
PGND5
PGND4
VBAT
22p
C333
DNI
C331
BT_1V2
1u
C340
BT_2V8
0.1u
C342
2.2u
C341
VBAT
100K
R324
BT_2V8
SW301
4
3
2
1
T
N
A
N
O
M
M
O
C
3
G
4
G
R308
0
FM_32K
FM_ANT
BAND_SW2
PA_EN
BAND_SW1
BT_TXD
BT_RESET
BT_PCMCLK
BT_PCMIN
BT_PCMOUT
BT_PWR_EN
BTCLK_EN
BT_32K
BB_WAKEUP
APC
FM_AUDIO_L
DCS1800P
DCS1800N
PCS1900P
PCS1900N
T
NI
_
MF
BT_PCMSYNC
BT_RXD
FM_RST
GSM_OUT
DCS_PCS_OUT
FM_AUDIO_R
GSM850P
GSM900P
BT_CLK26M
1
A
D
S_
C2I
1L
C
S_
C2I
GSM850N
GSM900N
DNI
FM RADIO_SI4704
MT6612_Bluetooth
MAIN_RF
DCS
PCS
GSM850
EGSM
RF PART
Содержание LG-A155
Страница 1: ...Service Manual Model LG A155 Internal Use Only Service Manual LG A155 Date October 2010 Issue 1 0 ...
Страница 121: ... 122 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 129: ... 130 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...