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4. TROUBLE SHOOTING
4.17.4 Checking RF Rx Level
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
GSM
PCS
DCS
PCN_RX2
14
PCS_RX1
15
PCS_RX2
VDD
7
21
WCDMA_2100
CTRL3
16
EGSM_RX1
EGSM_RX2
17
GND1
2
GND2
3
8
GND3
10
GND4
GND5
20
GND6
22
GND7
23
GND8
24
GSM850_EGSM_TX
11
GSM850_RX1
18
19
GSM850_RX2
9
PCN_PCS_TX
12
PCN_RX1
13
DGM112M02
FL100
1
ANT
4
CTRL1
5
CTRL2
6
L108
18nH
C114
10n
L107
5.6nH
47nH
L109
L110
18nH
6.8nH
L103
10n
C111
RF
KMS-507
SW101
ANT
G1
G2
4.7nH
L106
C118
1p
100p
C100
5.6nH
L104
L102
5.6nH
6.8nH
L100
L101
18nH
22nH
L105
[Fig. 4.21] Schematic of EGSM-900, DCS-1800, PCS-1900 Rx Block
[Fig. 4.22] Test Point of Rx Block
Содержание KF700
Страница 1: ...Service Manual Model KF700 Service Manual KF700 Date May 2008 Issue 1 1 Internal Use Only ...
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Страница 193: ...Note ...
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