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7. Circuit Diagram
1
2
A
TP600
TP601
TP602
R604
R625
R603
0
0
NA
C649
5.6p
R606
NA
R609
0
R610
NA
SW600
ENWY0004501
RF500
FL600
LSHS-M085FJ
C615
GND7
GSM850_900_TX
22p
20
GND6
GSM1800_1900_TX
19
GND5
18
GND4
GSM1900_RX_OUT2
16
GND3
GSM1900_RX_OUT1
13
GND2
GSM1800_RX_OUT2
11
GND1
GSM1800_RX_OUT1
9
GSM900_RX_OUT2
GSM900_RX_OUT1
R616
100ohm
ANT_SW2
VC2
GSM850_RX_OUT2
R617
100ohm
15
ANT_SW1
VC1
GSM850_RX_OUT1
14
C630
C631
39p
39p
ANT_SW1
ANT_SW2
GSM_TX
HIGH
LOW
LOW
HIGH
DCS/PCS_TX
LOW
LOW
GSM_RX
LOW
LOW
DCS_RX
LOW
LOW
PCS_RX
E
1
2
LGIC(42)-A-5505-10:01
LGE Internal Use Only
3
4
5
6
VBAT
C605
C600
C601
C602
C603
C604
0.01u
33p
12p
33 uF
18p
0.01u
R607
220
C609
15
3
DCS_PCS_OUT
DCS_PCS_IN
0
11
4
R611
EGSM_OUT
EGSM_IN
C610
C652
U600
19
18
180
RSVD_GND
ENABLE
0.5p
NA
SKY77318
21
1
P_GND
BS
C653
22p
C612
C613
NA
1.2p
QN
C614
39p
QP
12
10
C618
2.7p
8
7
L602
6.2nH
6
5
C619
2.7p
4
3
2
1
C620
6.8p
L603
6.2nH
C624
6.8p
IP
C629
6.8p
IN
L604
18nH
C632
6.8p
S_DATA
S_CLK
S_EN
C633
6.8p
L605
18nH
C635
6.8p
3
4
5
7
8
R600
TX_RAMP
1K
C650
39p
VBAT
C651
0.01u
C608
R605
R608
24
33p
220
R612
C611
30
R613
10p
180
R601
100ohm
PA_EN
R602
100ohm
2V75_VVCXO
PA_BAND
C606
C607
R614
27p
NA
0
R615
26M_DBB
NA
C616
C617
0.1u
0.1u
2V8_VMEM
RX1900B
25
RX1900
VLDO2
26
16
RX1800B
VLDO1
U601
27
15
RX1800
VBAT
28
14
AD6549
RX900B
VDD
29
13
RX900
VCC_TXVCO
30
12
C621
RX850B
TXOP_HI
31
11
RX850
TXOP_LO
0.1u
32
10
VLDO3
9
C626
C627
C628
C625
GND
33
0.1u
0.1u
0.1u
NA
EUSY0280103
C634
39p
SN74AHC1GU04DCKR
C636
R619
0
0.01u
C639
C641
NA
C645
C646
C642
C643
C644
39p
27p
27p
27p
NA
0.1u
X600
R622
1
3
AFC
VCONT
OUT
15K
2
4
GND
VCC
C647
26MHz
1000p
TG-5010LH-26M
EXSK0008101
6
7
- 94 -
9
10
VBAT
C622
C623
0.1u
NA
2V75_VVCXO
U602
5
C637
VCC
2
4
R624
0
26M_MIDI
IN
OUT
GND
1000p
R623
0
3
C640
26M_DBB
R620
2.2u
R621
0
1M
26M_BT
2V75_VVCXO
C648
2.2u
LG Electronics Inc.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
D
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