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4.16.2. Checking RF Tx Level
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2.2K
R1018
C1008
33p
C1063
1000p
C1005
56p
33u
C1059
3.9p
C1068
WCDMA_2100
21
3
GND2
8
GND3
10
GND4
GND5
20
GND6
22
23
GND7
GND8
24
GSM850_EGSM_TX
11
12
GSM850_RX1
13
GSM850_RX2
9
PCN_PCS_TX
PCN_RX1
16
PCN_RX2
17
PCS_RX1
18
19
PCS_RX2
VDD
7
FL1000
DGM129M01
1
ANT
CTRL1
4
CTRL2
5
6
CTRL3
14
EGSM_RX1
15
EGSM_RX2
2
GND1
1.8nH
L1008
39p
C1074
PGND20
36
19
PGND3
20
PGND4
PGND5
21
22
PGND6
23
PGND7
PGND8
24
PGND9
25
RSVD1
4
RSVD2
8
RSVD3
12
1
TX_EN
VAPC
6
5
VBATT
14
GND4
GND5
15
GSM_IN
7
GSM_OUT
9
PGND1
17
26
PGND10
27
PGND11
28
PGND12
PGND13
29
PGND14
30
31
PGND15
PGND16
32
PGND17
33
34
PGND18
35
PGND19
PGND2
18
U1001
SKY77329
3
BS
2
DCS_PCS_IN
DCS_PCS_OUT
16
10
GND1
11
GND2
GND3
13
3.3nH
C1069
100nH
L1001
+VPWR
33p
C1006
18pC1014
33p
C1007
KMS-518
SW1000
A
C
G1
G2
R1005
0
R1020
C1062
39p
15p
C1060
15nH
C1075
ANT_SEL1
ANT_SEL0
ANT_SEL2
TX_GSM
GSM_PA_EN
GSM_PA_BAND
GSM_PA_RAMP
TX_DCS_PCS
[Fig.] Schematic of the GSM Tx Block
[Fig.] Test Point of GSM Tx Block
TP1
TP2
TP3
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Содержание KF310
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