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