4-2
Block Diagrams
4-2-1 RF Transmit Part
U601
HD155128TF
Antenna
S/W
U706
U400
VP40575
TXEN
RAMPD
A
C
BAND Selection
- GSM :
Lo
w
- DCS :
High
ITXP
ITXN
QTXP
QTXN
Loop
Filter
TX VCO
U602
Dual P
A
M
U707
APC Circuit
Coupler
15
9
1
1
6
6
U700
U702
3
3
35
2
540 MHz
PCN :
1575 ~ 1650 MHz (Tx)
GSM :
1150 ~ 1185 MHz
21
1
1
2
3
4
5
38
35
20
19
18
17
30
47
5
1
8
1
4
2
5
2
1
Ant.
S/W
Control
Circuit
3VTX
TXEN2
VC1
VC2
VC3
VC3
VC2
VC1
GSM(Tx)
DCS(Tx)
Rx
H
H
H
L
L
L
L
LL
11
SI4133-MLP28
U501
VCTCXO
13MHz
U500
IF VCO
1080MHz
PLL1
PLL2
RF VCO
AFCD
A
C
10
23
15
880 ~ 915MHz(EGSM)
890 ~ 915MHz(PGSM)
1710 ~ 1785MHz(DCS)
Содержание SGH-T100
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 04 2002 Rev 1 0 GH68 02699A ELECTRONICS ...
Страница 12: ...1 10 Exploded Views and Parts List 1 10 Battery Charger BATTERY CHARGER GH44 00279A ...
Страница 13: ...2 PCB Diagrams 2 1 Main Top PCB Diagrams 2 1 ...
Страница 14: ...2 2 Main Bottom PCB Diagrams 2 2 ...
Страница 40: ...5 14 Flow chart of Troubleshooting and Circuit Diagram U400 CN201 REC PWO1P PW01N 7 17 REC REC ...