LG KF700 Service Manual page 121

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