Service manual

GX30
4 – 4
CONFIDENTIAL
Figure 4 RF BLOCK DIAGRAM (2/2)
LOOP
FILTER
RF Synthesizer
LOOP
FILTER
RF SWITCH
FL803
J801
AERIAL
0
deg
ft(1/2)
RF CONNECTOR
12
38,39
9
7
3
9
VBAT
850 / 900
1800 / 1900
15 13
3,7,8,16
9
12
1
2
3,4
10
1
2,5
GSM850 Band;
Tx: 824.2 to 848.8 MHz
Rx: 869.2 to 893.8 MHz
GSM900 Band;
Tx: 880.2 to 914.8 MHz
Rx: 925.2 to 959.8 MHz
DCS1800 Band;
Tx: 1710.2 to 1784.8 MHz
Rx: 1805.2 to 1879.8 MHz
PCS1900 Band;
Tx: 1850.2 to 1909.8 MHz
Rx: 1930.2 to 1989.8 MHz
Tx VCO
GSM850 824.2 to 848.8 MHz
GSM900 880.2 to 914.8 MHz
DCS1800 1710.2 to 1784.8 MHz
PCS1900 1850.2 to 1909.8 MHz
RFVCO
Tx GSM850 3616.8 to 3715.2 MHz
GSM900 3848.8 to 3979.2 MHz
DCS1800 3580.4 to 3729.6 MHz
PCS1900 3860.4 to 3979.6 MHz
Rx GSM850 3476.8 to 3575.2 MHz
GSM900 3700.8 to 3839.2 MHz
DCS1800 3610.4 to 3759.6 MHz
PCS1900 3860.4 to 3979.6 MHz
0
deg
SAW FILTER
FL903
SAW FILTER
FL902
SAW FILTER
FL901
6
2,5
1
6
4
GSM850 Rx
PCS Rx
DCS Rx
MATCHING
DEVICE
LNA
LNA
LNA
GSM900 Rx
BS2
BS3
BS2
IC802
PF08141B
PA MODULE
18
1
4
4,5,8,9,10,11,14,
15,19,20,21,22,23
12
7
FL904
3
4
3,8
5
1
910
7
62
1
3
4
3
4
45
3,6,13
16
1,2
5
BS1
BS2
BS3
BS4
6,10,12,14
11
P
D
17
19
IC805
NL17SZ32XV5T2
LOGIC
PA
APC
17
2
5,7,8,10
ft(1/2)