LG KG110, Service Manual, Page: 85 / 87

3 4
L H L H
H
NO.
Sheet/Sheets
A
L L L
E
2
C
RX4
RX3
RX2
L L L L
(Change to NA)
B
Iss. Notice No. Name
1
B
TX GSM 850/900
3
Date
1
5
06/05/30
Designer
4 5
RX1
TX DCS/PCS
(same size with ESD Suppressor)
Date
9 6
MODEL
DRAWING
H
L L H H
Vbs2 Vbs1 Vtx
L L H
Operating Mode
H
L H H
10
Sign & Name
8
A
2
KG110
4/4
Ver 1.0
RF
Vmod_en
Control Voltage
D
C
D
7
Sleep Mode
H
Approved
H L H
Checked
LGIC(42)-A-5505-10:01
NAME
DRAWING
LG Electronics Inc.
Section
LG Electronics Inc.
Lang Xian li
R416 1K
0.1u
RX3
18
RX4
10
V1
5
VBATT
8
VBS1
7
VBS2
2
VCC1
9
VCC2
3
VMOD_EN
4
VRAMP
6
VTX
C432
G_IN
9
G_O1
1
G_O2
2
TQM6M4003
U401
20
ANT
11
DCS_PCS_IN
13
GND1
15
GND2
17
GND3
19
GND4
21
GND5
1
GSM850_900_IN
12
RX1
14
RX2
16
FL402
1
G1
3
G2
5
G3
2
IN
4
O1
6
O2
FL401
856520
D_IN
6
D_O1
3
D_O2
4
G1
5
G2
7
G3
8
G4
10
100p
856417
C444
33nH L406
17
VCC_TXVCO
12
13
VDD
15
VLDO1
VLDO2
16
9
VLDO3
L405 33nH
26
25
RX1900B
RX850
32
31
RX850B
RX900
30
29
RX900B
SCLK
6 5
SDATA
7
SEN
TXOP_HI
11
TXOP_LO
10
18
VAFC_NC
VBAT
14
VCC_BBI
4
24
VCC_BBQ
1
VCC_FE
VCC_REF
GND
33
I
2 3
IB
NC
8
23
Q
22
QB
20
REFIN REFINB
19
REF_OP
21
RX1800
28
27
RX1800B
RX1900
C434 1000p
AD6548
U402
12
3
4
D401
SD05-TCT
x
Y400
DSX321SL
VBAT
27p
C411
VVCXO
ANT402
L408
33nH
ANT401
0 R413
R414 0
0.01u
C410
C424
0.1u
C406
47p
L411
2.2nH
L410
3.3nH
R427
0
C431
R415 0
220n
C430
0.1u
39p
C422
0.1u
C429
27nH
L404
R419
39p
C413
10K
C441 100p
S_DATA
56p C443
S_CLK
0.1u
C427C428
0.1u
C435
0.1u
220
180
R411
R409
24
R408
220
R407 C409
2
2p
0.01u
C407
22u
C416
C405
68p
C415 68p
C426 0.1u
47p
C436
6.8nH
L403
47p C420
47p C419
NA
VVCXO
C446 100p
C402
C445 100p
L412 47nH
15p
C440
C401 NA
C442 56p
1.2p
856441
FL403
G1
1 3
G2
5
G3
2
IN
4
O1
6
O2
C403
0.1u C423
27p
C414
C421
39p
C433
1000p
39p
0.1u
VBAT
VMEM
C408
C425
R401
0
NA R417
R418 100
39p
C412
R412
180
30
R410
ANT
G1 G2
RF
KMS-507
SW400
18nH
L401
7.5nH
L402
39p C418
C417 39p
680nH
L407
S_EN
PA_EN
ANT_SW1
ANT_SW2
VMOD_EN
S_EN
S_DATA
S_CLK
QN
QP
IN
IP
26MHz
AFC
TX_RAMP