Service manual

GX30
5 – 26
CONFIDENTIAL
Figure 22 SCHEMATIC DIAGRAM (20/22)
789
10 11
12
The numbers 121 andto 18 are waveform numbers shown in pages 5-2 to 5-4.( ) : Not Mount
AERIAL
11
10
9 8
6
7
8
9
10
GND
GND
GND
GSM900_RX
GSM850_RX
GSM1800_RX
GSM1900_RX
Vc1
VDD
ANT
Vc2
GND
VcGSMTx
GSM1800/1900-TX
GSM850/900-TX
Vc850RX
1234567
8
9 101112131415
16
NC
1
2
3
4
GND
GND
GSM900
DCS
Out1
Out2
Out1
Out2
IN
IN
GND
GND
1
2
3
4
5
6
7
8
9
10
1 2 3
4 5
Pout_DCS 1800/1900
Pout_GSM 850/900
Pin_GSM 850/900
GND Vdd1 GND Vband VddIC
GND
GND
GND
GND
GND GND GND GND GND GND GND
GND GND GND GND GND GND GND
GND
Vtxb
GND
Vramp
GND
GND
GND
Vdd2
GND
Pin_DCS 1800/1900
1234567
8
9
10
11
12131415161718
19
20
21
22
23 24 25 26 27 28 29
30313233343536
1
2
3
4
56
1
2
3
4
5
1
2
3
4
5
TXOUT_DCS/PCS
RX_DCS
RX_PCS
TXOUT_GSM
RX_GSM850
RX_GSM900
BS1
BS1
BS4
BS4
BS3
BS3
BS2
BS2
BS2
BS2
VRF
850
GSM
DCS
GSM
LOW
Pin16
900
PCS
Pin2
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
This Parts is Supplied
with Cabinet Parts
104
FL823
FERRITE
BEADS
C866 C865
C862
100P(CH)
C855
47P(CH)
C856
22P(CH)
C857
22P(CH)
C872
47P(CH)
C871 47P(CH)
C870 47P(CH)
C863
47P(CH)
C873
0.001
C864 47P(CH)
C854
47P(CH)
C881
47P(CH)
FL803
RF SWITCH
C874
47P(CH)
J801
RF CONNECTOR
IC805
NL17SZ32XV5T2
LOGIC
IC802
PF08141B
PA MODULE
C867 47P(CH)
FL905
ESD
DEVICE
FL901
SAW FILTER
FL902
SAW FILTER
FL903
SAW FILTER
C860
L834 6.8nH
C885 1P(CH)
L872 3.3nH
C876
1P(CH)
C832A
4P(CH)
C831A 1P(CH)
R884
0
L871 3.3nH
C875
2P(CH)
C861A
82P(CH)
R812
15K
C
861
1
00P(CH)
ANT801
AERIAL
TERMINAL