LG GT350 - Page 123

7. CIRCUIT DIAGRAM
- 124 -
LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
zHM0881, 5.638
106LF
02 91 31
11
81
51 8
41
7
216
95
4
013 61
2 1
17
ANT
1XR058MSG 2XR058MSG
4DNG
1XR009MSG 2CV 2XR009MSG
1XR0081MSG 1DNG 2XR0081MSG 2DNG 1XR0091MSG
1CV
2XR0091MSG
XT00
9
_05
8
MSG
5DNG
XT0091_0081MSG
3DNG 1CN 2CN
CN601
2
65 43
1
N
I
1DNG 2DNG 3DNG 4DNG
TUO
100n
L601
10u
C601
8.2p
C637
1R603
1R604
0
R601
DNI
C603
22p
C604
L602
0.018uH
L603
0.0051uH
100R606
C605
2.7pF
100R607
L
K
J
I
H
G
F
E
D
C
B
A
12
11
10
9
8 7 6 5 4 3 2 1
L
K
J
I
H
G
F
E
D
C
B
A
12
11
10
9
8 7 6 5 4 3 2 1
C606
DNI
C607
47pF
X601
26MHZ
TSX-3225
21
3
4
GND2 HOT2
HOT1 GND1
DNI
C608
C609
0.1uF
U601
PMB6272
20
19
18
17
16
15
14
13
1221 2211 3201 429 528 627 726 825 924 033 132 231
33
34
35
36
37
38
39
40
41
GND4
GND3
VDDMIX2V8
VDDTX2V8
TX2
TX1
VDDTX1V5
VBIAS
FE2
A 1EF
XA 8V2SAIBDDV
B X1XR
XB 1XR
8V2GIDDDV X2XR
AD 2XR
KLC 2DNG
5V1GIDDDV X3XR
3SYSF 3XR 2SYSF X4XR
OX 4XR
XOX 5V1ANLDDV
GND1
FSYS1
VDDXO2V8
EN
VDDVCO2V8
VCO_RC
VDDRX1V5
VDDRX2V8
47pF
C610
47pF
C611
DNI
C612
0.22uF
C613
4.7pF
C614
4.7pF
C615
ANT601
L604
0.015uH
0.0047uH
L605
0.001uFC616
0.047uF
C617
C618
0.1uF
R608 1K
SKY77344
U602
12
11 10
12 9
13 8
14 7
15 6
16 5
17 4
18 3
19 2
20 1
BSMODE
ENABLEVDET
VRAMPVBATT2
DCS_PCS_INVBATT1
GSM_INGND9
GND1DCS_PCS_OUT
GND2GND8
GND3GSM_OUT
GND4GND7
GND5GND6
DNGP
0.1uF
C620
906R
01
C621
0.0047uF
10R610
C622
0.22uF
DNI
C623
ANT602
C602
DNI
C624
2.2pF
4.7pF
C625
4.7pF
C626
ANT603
C627
1uF
C628
27pF
DNI
C629
DNI
C630
C631
2.2pF
R612
820
22K
R613
PT601
10K
0.1uF
C632C633
0.1uF
C634
0.1uF
2.7pF
C635
L607
1n
1p
C636
1n
L606
12n
L608
VBAT
PA_LEVEL
PA_MODE
PA_BAND
TXON_PA
RF_EN
RF_DA
RF_CLK
RF_TEMP
26MHZ_MCLK
QX
Q
IX
I
2V85_VRF
2V85_VRF2V85_VRF
2V85_VRF
2V85_VRF
VC1
VC1
VC2
VC2
LBAND_PAM_IN
LBAND_PAM_IN
HBAND_PAM_IN
HBAND_PAM_IN
1V53_VRF
1V53_VRF
1V53_VRF
26MHZ_BT
- Antenna matching Ckt & Antenna Pad changed.
Rev.B
DCS1800GSM900
(FROM Transceiver)
(FROM Transceiver)
SKY77344
L
L
GSM 1800 / 1900_ RX
GSM850 / 900_RX
VC2 (FE2)
PCS1900GSM850
H
H
L
GSM850 / 900_TX
L L
L
GSM 1800 / 1900_ TX
VC1 (FE1)
RF
CI:$0.05(CMOS->PIN)
RF(SKY77344)
(1608)