LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 46 -
(2) Checking Mobile SW & Rx SAW filter
SW401
TP3
TP4
TP5
TP6
CHANGE THIS TXmodule
TO PART_NO SMRH0004501
IN CASE OF GSM900/DCS1800
PART_NO SMRH0004701
OUT402
68p
OUT401
C403
L405
15nH
68
R410
VBAT
R416
180
R401
0
0
R402
C422
NA
100ohm
R406
C423
3p
3p
C431
R413
C404
220
27p
L422
4.7nH
0.01u
C411
4.7p
C450
OUT404
3p
C426
18nH
L403
12p
C410
1000p
C418
L401
39nH
RF500
SW401
ANT
G1
G2
RF
R417
30
C409
22u
C412
18p
24
R412
27p
100ohm
R407
C405
4.7nH
L421
3p
C425
4
I2
O1_1
9
8
O1_2
7
O2_1
O2_2
6
FL401
B9310
SFSB0001301
G1
2
G2
3
G3
5
G4
10
1
I1
GND8
20
GND9
17
GSM_IN
GSM_RX
7
18
NC
PCS_IN
19
6
PCS_RX
PGND
21
4
TX_EN
VBATT
1
2
VLOGIC
VRAMP
3
U401
SKY77517
ANT
11
BS
5
8
GND1
GND2
9
GND3
10
12
GND4
GND5
13
14
GND6
GND7
15
16
5.1nH
L402
39p
C402
33p
C413
100ohm
OUT403
R411
PA_BAND
TX_RAMP
PA_EN
ANT_SW1
TEST POINT
CIRCUIT
TP3
TP6
TP5
TP4
Содержание KP210
Страница 1: ...Date February 2008 Issue 1 0 Service Manual Model KP210 KP215 Service Manual KP210 KP215 ...
Страница 101: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 102 ...
Страница 107: ... 108 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 121: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 122 ...
Страница 138: ...Note ...
Страница 139: ...Note ...