LG KP260 - Page 96

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LGMC
GSM850
7
PCS1900 RX
Checked
7
EUSY0280101
SFAY0008602
ANT_SW1
5
GSM850_EGSM TX
LGIC(42)-A-5505-10:01
A
42
10
H
PCS1900
EGSM900 RX
VER 1.0
Not Mount
DRAWING
DCS_PCS TX
3
NO.
B
5
Section
KP260 / KP265
1
GSM850 RX
Date
L
L
L
LG Electronics Inc.
6
GSM900
Sheet/Sheets
NAME
L
L
LG Electronics Inc.
H
D
L
89
A
Sign & Name
H
DRAWING
3
MODEL
2 4
C
Designer
Approved
DCS1800 RX
RF
5/5
C
ANT_SW2
L
1
SMPY0014001
H
DCS1800
ENWY0004501
EXXY0025201
D
H
E
A
6
C537
5.6p
L505
18nH
R508220
C517 33p
C529
0.1u
22p
DNI
C511
C512
2V75_VVCXO
R500 47
R509
0
C500
27p
1u
C535
C510
0.5p
27p
C507
C544
22p
22p
C532
C545
VBAT
22p
C528
5p
5p
C534
1K
R502
C505
39p
0.01u
SW500
RF500
ANT
G1 G2
RF
C502
C523
0.01u
C508
27p
18nH
L504
39p
5.6p
C536
C524
C516
DNI
C538
100p
2V75_VVCXO
100p
L501
2.2p
C541
C531
0.1u
ANT501
C513
1000p
2V75_VVCXO
R511
10K
5p
C527
R512180
0.01u
C509
C504 1.5p
DNI
C515
6.2nH
L502
12
34
0
R503
VLDO2
16
9
VLDO3
DSX321G-26M
X500
26MHz
30
RX900
29
RX900B
SCLK
6 5
SDATA
7
SEN
11
TXOP_HI
TXOP_LO
10
18
VAFC_NC
VBAT
14
VCC_BBI
4
24
VCC_BBQ
1
VCC_FE
VCC_REF
17
12
VCC_TXVCO
13
VDD
15
VLDO1
GND
33
I
2 3
IB NC
8
Q
23 22
QB
20
REFIN
REFINB
19
REF_OP
21
RX1800
28
27
RX1800B
RX1900
26
25
RX1900B
RX850
32
31
RX850B
6.2nH
AD6548
U502
20
VAPC
VBATT
17
VCC1A
2
VCC1B
6
L503
3
DCS_PCS_INDCS_PCS_OUT
15
EGSM_IN
4
EGSM_OUT
11
18
ENABLE
5
GND1 GND2
7
GND3
8 9
GND4 GND5
10 12
GND6 GND7
13 14
GND8
16
GND9
P_GND
21
RSVD_GND
19
R505
0
U501
SKY77318
1
BS
DNIR504
0.1u
27p
2V8_VMEM
C530
82p
C506
C542
220nC526
R510
30
22p
R501 47
C518
ANT500
22u
VBAT
3
4
GSM900_RX2
23
NC1
24
NC2
VC1
19
20
VC2
21
VDD
C503
GND1
10
GND2
GND3
12
13
GND4
GND5
14
16
GND6
18
GND7
22
GND8
15
GSM1800_1900_TX
GSM1800_RX1
5
6
GSM1800_RX2
GSM1900_RX1
7
8
GSM1900_RX2
GSM850_900_TX
17
GSM850_RX1
1
2
GSM850_RX2
GSM900_RX1
LMSP43QA-538
FL500
ANT
11
9
180 R513
0.1u
C522
0.1u
C520
L500
2.4nH
2.2u
C514
MC74VHC1G04DFT2G
U500
2
GND
3
5
VCC
4
24
R506
C543
2.2p
47p
C501
220 R507
C521
0.1u
C519
82p
5p
C525
100p
C539
0.1u
C533
C540
100p
26M_DBB
TX_RAMP
PA_EN
PA_BAND
IN
IP
QP
AFC
26M_BT
S_EN
S_DATA
S_CLK
0.15MM
QN
ANT_SW2
ANT_SW1
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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Only for training and service purposes