- 90 -
4. TROUBLE SHOOTING
4.7.3 Checking Rx Level
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
[Fig 4.7.3.1] Test point of the WCDMA RX Block
[Fig 4.7.3.2] Schematic of the WCDMA RX Block
REV.D
C167
L121
47p
56p
C158
4.7nH
C168
6.8nH
C159
2.7nH
ANT
GND1
GND2
GND3
GND4
GND5
GND6
RX
TX
B7638
FL103
TX
FL104
ACMD-7402-TR1G
ANT
G1
G2
G3
G4
G5
G6
G7
RX
C171
NA
56p
C152
33p
C169
RX_WCDMA_850
WCDMA_850
WCDMA_1900
RX_WCDMA_1900
REV.D
REV.D
REV.D
REV.D
C203
47p
C187
NA
15nH
82p
C196
L132
3.3nH
L138
4.7p
C185
22nH
L133
L131
22nH
3
O1
4
O2
B7838
FL106
2
G1
5
G2
1
IN
NA
C202
3.9nH
L134
C194
47p
IN
3
O1
4
O2
B7847
FL107
G1
2
5
G2
1
100p
C182
C180
4.7p
L139
3.9nH
3.9nH
L137
1.8p
C201
1.8p
C195
L129
3.9nH
0.1u
C179
15nH
L130
1.5K
R123
1.5nH
L136
NA
R127
C178
82p
VREG_W
rev.B
C101
56p
A
C
G1
G2
KMS-518
SW101
100nH
L103
TP1
TP2
TP6
(Vvias)
TP7
TP8
TP3
TP5
TP4
Z3X-BOX.COM
Содержание CU720 Black
Страница 203: ...Note Z 3 X B O X C O M ...
Страница 204: ...Note Z 3 X B O X C O M ...