LG KG800 - Page 109

- 110 -
LG Electronics Inc.
Date
DRAWING
Date
(TO DBB)
2006
Approved
Sheet/
Checked
5
MODEL
01/10
K.U.PARK
01/10
(TO MULTI)
Sheets
2006
H.C.LIM
MAIN PCB
REV.1.1
4/10
SON80
Iss. Notice No.
Section
DRAWING
(SPFY0123101)
13MHz
Name
NO.
Sign & Name
2006
LG Electronics Inc.
Designer
NAME
S.Y.LEE
(RF)
L401
2V75_VVCXO
01/10
NA
33p
C404
VBAT
0
R405
2.2u
C400
R404
100
C436
TP402
3p
NA
ANT401
C406
22u
C422
C4011000p
55
Q+_TX_Q+
5
4
Q-_TX_Q-
RXENA
49
SXENA
59
TXENA
48
VAPC
9
42
VBAT
6
VCC1
52
VCC2
VCC3
1
VCC_1A
11
22
VCC_1B
XBUFF
54
XTAL
51
XTUNE
53
PGND20
PGND21
89
90
PGND22
PGND23
91
92
PGND24
93
PGND25
94
PGND26
PGND27
95
96
PGND28
71
PGND3
72
PGND4 PGND5
73 74
PGND6
75
PGND7
76
PGND8
PGND9
77
PREQ_SEL
PCO2 PCO3
67 68
PCO4
PED_SELECT
7
PGND1
69
PGND10
78
PGND11
79
80
PGND12
PGND13
81
82
PGND14
PGND15
83
84
PGND16
PGND17
85
PGND18
86
PGND19
87
70
PGND2
88
GND3
GND4
15
16
GND5
GND6
17
18
GND7
19
GND8
20
GND9
GSM_OUT
31
2
I+_TX_I+
I-_TX_I-
3
LE
57 64
NC_RX_I+
NC_RX_I-
63
NC_RX_Q+
62
NC_RX_Q-
61
PCO1
65 66
27
28
GND16 GND17
29 30
GND18
32
GND19
13
GND2
GND20
33 34
GND21 GND22
35 36
GND23 GND24
37 38
GND25
40
GND26
41
GND27 GND28
43 50
GND29
14
45
44
1900LNA
850LNA
47
46
900LNA
10
BAND_SELECT
CHIP_EN
60 58
CLK
56
DATA_IN
DCS_PCS_OUT
39
8
ENABLE
12
GND1
GND10
21
GND11
23
GND12
24
GND13
25
26
GND14
GND15
U401
SKY74400_12
1800LNA
0
R402
0.1u
C402
C421
3p
C427
NA
0.1u
C409
1M
R401
1000p
C407
C435
4.7u
4.7u
C430
GND3
7
GND4
GND5
14
GND6
15
16
GND7
GSM18001900_TX
8
GSM1800_RX
4
GSM1900_RX
6
GSM900_RX
2
GSM900_TX
10
VC1
11
9
VC2
VC3
12
LMSP54LA-445TEMP
FL400
13
ANT
1
GND1
GND2
3
5
C423
0.01u
27p
2
GND
3
OUT
4
VCC
1
VCONT
C415
13MHz
X400
4
OUT
VCC
5
C429
0.01u
U400
SN74AHC1GU04DCKR
3
GND
IN
2
1.8nH
C433
0.5p
C432
33p
C410
TP400
33p
C419
ANT
G1 G2
RF
5p
KMS-510
SW400
2.7nH
R406
C428
5.1nH
R407
27p
C416
47p
C414
27p
C426
VBAT
VBAT
L400
NA
39p
ANT400
VBAT
C417
C408
1u
C405
1000p
10K
R403
C418
0.1u
3p
C431
3p
C420
C412
3p
3p
C403
2V75_VVCXO
22u
C411
39p
C413
100
R400
1000p
C424
VBAT
VBAT
S_EN
0.01u
C434
13MHz
13MHz
ANT_SW2
ANT_SW1
ANT_SW3
IN
QP
QN
RX_EN
SYNTH_EN
TX_EN
TX_RAMP
AFC
PA_BAND
RF_PWR_DWN
S_CLK
S_DATA
PA_EN
IP
7. CIRCUIT DIAGRAM