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SH1
SH2
SH3
SH4
RX275_GSM
SH5
SH6
SH7
FL401
942.5Mhz
FL400
942,5MHz
Q400
DIPLEXER
TP865
RVCO_PCS
DCS_PCS SWITCH
FL2400
1960Mhz
U400
TP867
FL1400
1842.8Mhz
RVC0_DCS
DCS_PCS LNA
TP866
J3
RF SWITCH
RX275_DCS
RX275_GSM_PCS
U150
TX_EN
RX VCO
U151
RX_EN
FILTERED_-5V
RF_V1
J2
TX_GSM
TX_DCS
U300
TX_GSM
B+
P.A. DRAIN CONTROL
Q380
PA_B+
DM_CS
Q381
V100 - RF SCHEMATICS
RX275
RX275_GSM
Q450
SAW FILTER
FL457
400Mhz
GSM MIXER
DCS_PCS MIXER
RX275_DPCS
RX275_DPCS
FL1401
1897Mhz
Q450
Q1400
RVCO_275
Q252
RVCO_275
U250
RVCO_DCS
RVCO_PCS
EXCITER
TX275
B+
POWER AMPLIFIER
TX_DCS
Q331
Q330
TX275
GATE CONTROL
Q372
PA_B+
Q373
TX GSM
TX275
Q370
TX275
Q370
Q372
Q371
FILTERED_-5V
DM_CS
TX275
*GSM_SEL
Q1101
*DCS_SEL
TX_GSM
TX_DCS
RVC0_DCS
Q480
-10V
FILTERED_-10V
FILTERED_-5V
ISO AMP
RF_V1
MAGIC_13Mhz
CLK_SELECT
RF_V1
Q202
V1_SW
RX_ACQ
BDR
BFSR
BCLKR
GP05
U200
GP04
Q203
RF_V2
MAGIC IC
RF_V1
V1_SW
V1_FILT
RF_V2
RF_V1
TP864
*GSM_SEL
*DCS_SEL
*PCS_SEL
Q100
RF_V2
STBY_DL
Q910
SF_OUT
TX275_DPCS
U350
TX_DCS
TX275_GSM
TX VCO
TX275
U390
SAT_DETECT
DET_SW
TX_KEY_OUT
PA_B+
U391
Q371
P.A. CONTROL
J1
35
70
RVCO_275
*DCS_SEL
69
34
Q1100
RX_ACQ
33
V1
68
*PCS_SEL
-10V
32
67
DM_CS
31
66
RVC0_PCS
GP05 GP04
30
V1_SW
65
RX_EN
29
64
28
STBY_DL
63
SF_OUT
27
62
BRSR
TX_KEY
26
61
-5V
25
60
Q1102
BDR
24
TX_EN
59
RVCO_275
23
58
BCLKR
22
-5V
57
21
56
BCLKX
VREF
20
55
19
54
BDX
18
53
17
52
MQSPI_CS1
16
51
15
50
CLK_SELECT
DX1
14
49
13
48
12
47
MAGIC_13Mhz
11
46
B+
B+
10
45
B+
9
44
RF_V2
Q201
B+
8
43
B+
7
42
B+
6
41
B+
5
40
B+
4
39
VREF
B+
3
38
B+
2
37
B+
1
36
Y200
71
72
SF_OUT
V1_FILT
Q360
U360
TX_EN
DM_CS
Q361
Q361
RF_V2
*GSM_SEL
RX275_GSM
RX275
RX_EN
RX275_DCS
Q110
Q112
*DCS_SEL
Q2101
RX275_GSM_PCS
RF CONTROL
Q2102
*GSM_SEL
RX275_DPCS
RX CONTROL
TX CONTROL
SF_OUT
*GSM_SEL
RF_V2
TX275
TX275_GSM
Q121
Q2120
TX275_DPCS
TX_EN
Q121
Q120
Q120
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Table of Contents
Troubleshooting
