LG KG920 - Page 144

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Sign & Name
11
(AFCDAC)
B
12
03/11
C
(GPO_11)
3dB ATTEN
G
10
Date
D
E
H
LG Electronics Inc.
62
9
Notice No.
(GPO_9)
6 84
LGIC(42)-A-5505-10:01
1
1 4
2
DRAWING
DRAWING
5
Date
Name
10
Checked
NAME
H
E
LG Electronics Inc.
12
B
F
9
A
(GPO_20)
(GPO_19)
8
MODEL
A
NO.
Section
Approved
G
H. LEE
7
7
(GPO_17)
(GPO_4)
(PA)
5
Iss.
3
2006/
2dB ATTEN
(GPO_21)
(GPO_10)
(GPO_16)
Sheet/Sheets
KG920(MAIN)
RF PART
VER_1.0
5/7
3
Designer
F
11
C543
4.7u
430
R512
C541
R513
430
4
VCONT
1
27p
26MHz
X501
2
GND
3
OUT
VCC
10K
R515
39p
R508
C526
C504
300
27p
0.1u
C521
6.8nH
L504
1000p
C537
R521
100
C532
27p
C531
22p
27p
R503
0
C516
1.8p
C527
L502
1.8nH
L501
18nH
R511
NA
C544
27p
27p
C552
G1 G2
RF
TP502
KMS-507
SW501
ANT
GSM_IN
11
GSM_OUT
21
PGND
19
RSVD_GND
VAPC
20 17
VBATT
2
VCC1A
6
VCC1B
TP501
BS
1
DCS_PCS_IN
315
DCS_PCS_OUT
ENABLE
18
GND1
5
GND2
7 8
GND3 GND4
9 10
GND5 GND6
12 13
GND7 GND8
14
GND9
16
4
2
4
5
VCC
SKY77328
U501
NC7SV00P5X_NLU503
3
GND
1
R514
0
C507
VBAT
NA
1000p
C540
C501
22u
10p
C505
0
R519
1.5p
C539
1V8_VCORE
L505
27nH
R518
NA
10p
C512
C542
18
R507
NA
33p
C509
C530
27p
2V8_VEXT
R510
12
C522
100p
L503
1.8p
5.6nH
R505
4.7p
C525
C506
1000p
25
XOUT
8
XTAL1
31
XTAL2
30
_PDN
9 10
_RESET
2
_SEN
1000p
C508
19
RFIEN
22
RFIEP
21
RFIPN
18
RFIPP
17
16
RFOH
RFOL
15
SCLK
1
3
SDIO
VDD1
12 13
VDD2VDD3
28 29
VDD4
11
VIO
26
XDIV
32
XEN XMODE
SI4210D
U502
27
AFC
BIN
6
BIP
7
BQN
4
BQP
5
GND
14
PGND
33
RFIAN
24
RFIAP
23
RFIDN
20
RFIDP
15K
R523
C548
1000p
1.5p
C533
U504
BYP
43
EN
2
GND
IN
1
OUT
5
C551
MIC5255-2.85BM5
2V75_VVCXO
27p
C545
27p
R522
2V85_RF
1V8_CLK
U505 BH18LB1WHFV
BGND
6
GND
2
5
NC
1
STBY
VIN
3
VOUT
4
0
0
R501
1uF
VBAT
R520
1M
C546
2V85_RF
1.5p
C536
1.5p
C529
C517
NA
C524
270p
TP503
C510
0.5p
C528
270p
0.01u
C503
2.2u
C550
C511
C519
NA
27p
GND9
20
PCS_RX1
14
15
PCS_RX2
3
VC_DCSPCS
9
VC_EGSM
1V8_CLK
C538
0.1u
13
DCS_RX2
EGSM_RX1
10
11
EGSM_RX2
EGSM_TX
8
GND1
2
21
GND10
GND11
22
23
GND12
GND13
24
GND2
4
6
GND3
7
GND4
GND5
16
17
GND6
GND7
18
19
GND8
HWXQ511
FL501
1
ANT
5
DCSPCS_TX
DCS_RX1
12
0.01u
C547
R517
0
0
R516
0.1u
C535
C555
15p
18p
C502
0
R504
C549
2.2u
2V85_RF
C534
22p
C520
22p
0.01u
C513
C518
NA
39p
1uF
C553
C523
27p
C515
300
0.01u
R509
VBAT
C514
0
R502
AFC
CLKON
CLKON
CLKON
26MHZ
RF_RST
PA_BAND
TX_RAMP
PA_EN
S_EN
S_CLK
IN
IP
QN
QP
RF_PWR_DWN
ANT_SW1
ANT_SW2
S_DATA
7. CIRCUIT DIAGRAM