LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 39 -
4.2 RF Part Component
U400
FL400
SW400
X101
U102
< PCB Placement>
V_EXTH
1000p
C433
C431
1000p
NC1
23
NC2
24
VC1
19
20
VC2
VDD
21
GND3
12
13
GND4
GND5
14
16
GND6
GND7
18
GND8
22
15
GSM1800_1900_TX
3
GSM1800_RX1
GSM1800_RX2
4
1
GSM1900_RX1
GSM1900_RX2
2
GSM850_900_TX
17
7
GSM850_RX1
GSM850_RX2
8
5
GSM900_RX1
GSM900_RX2
6
LMSP43QC-789TEMP
FL400
ANT
11
9
GND1
10
GND2
C432
1000p
ANT_SW1
ANT_SW2
<ASM interface>
C436
4p
3.5p
C426
3.5p
C427
C428
2.7p
2.7p
C429
3.5p
C430
C434
3.5p
L409
15nH
4p
C435
5.1nH
3.9nH
L407
L406
15nH
L408
NC1
23
NC2
24
VC1
19
20
VC2
VDD
21
GND3
12
13
GND4
GND5
14
16
GND6
GND7
18
GND8
22
15
GSM1800_1900_TX
3
GSM1800_RX1
GSM1800_RX2
4
1
GSM1900_RX1
GSM1900_RX2
2
GSM850_900_TX
17
7
GSM850_RX1
GSM850_RX2
8
5
GSM900_RX1
GSM900_RX2
6
LMSP43QC-789TEMP
FL400
ANT
11
9
GND1
10
GND2
GSM_RXN
GSM_RXP
EGSM_RXN
EGSM_RXP
PCS_RXN
PCS_RXP
DCS_RXP
DCS_RXN
<SAW Filter interface>
< PCB Placement>
REFERENCE
PART Description
U102
DBB(Included RF Block)
U400
PAM (Power Amp. Module)
X101
DCXO (26MHz)
FL400
FEM (Front Ended Module)
SW400
Mobile Switch
Содержание CP150
Страница 1: ...Service Manual Model CP150 Service Manual CP150 Date August 2008 Issue 1 0 Internal Use Only ...
Страница 117: ...Note ...
Страница 118: ...Note ...