Block Diagrams
4-2
4-2 Main RF
IF SA
W
Filter
(225MHz)
LC
Filter
(45MHz)
Dual P
o
w
er AMP Module
SI4133-MLP28
(U612)
VCTCXO
13MHz
HD155128TF
IF VCO
1080MHz
925~960MHz
Ant.
S/W
VC1(GSM)
VC2(DCS)
LPF
LPF
Dip
.
TX
RX
VC3
Dual
SA
W
Filter
(U603)
1805~1880MHz
Rx
SA
W
filter
LNA
LNA
PLL1
PLL2
PGA
90
°
Shift
90MHz
90
°
Shift
DCS :
270MHz
GSM :
540MHz
I&Q
Mod.
GSM :
270MHz
DCS :
135MHz
Phase
Detector
Loop
filter
GSM :
270MHz
DCS :
135MHz
Baseband
Bloc
k
Dual Directional
Coupler
880~915MHz
(CH 62:902.4MHz)
1710~1785MHz
(CH 698:1747.2MHz)
Tx Dual
VCO
Mix
er 2
Ser
ial data
interf
ace
45MHz
270MHz
GSM :
1150~1185MHz
DCS :
1580~1655MHz
I
-I
Q
-Q
I&Q Demo
.
CLK
S
D
ATA
LE
bias circuit
Mix
er 1
RF VCO
Rx
SA
W
filter
540MHz
GSM :
1150~1185MHz
DCS :
1575~1650MHz
(CH 62 :
947.4MHz)
(CH 698 :
1842.2MHz)
CH 62 :
1172.4MHz
CH 698 :
1617.2MHz
I
-I
Q
-Q
U604
U606
U601
C617, L608
APC
Circuit
÷
2
÷
2
÷
6
÷
2
÷
2
Содержание SGH-A200
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 03 2001 Rev 1 0 GH68 01895A ELECTRONICS ...
Страница 12: ...Exploded Views and Parts List 1 9 1 10 Battery Charger BATTERY CHAGER GH44 00177A ...
Страница 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 14: ...PCB Diagrams 2 2 2 1 1 Main RF Top ...
Страница 15: ...PCB Diagrams 2 3 2 1 2 Main Base Band Top ...
Страница 16: ...PCB Diagrams 2 4 2 2 Main Bottom ...
Страница 17: ...2 5 PCB Diagrams 2 2 1 Main RF Bottom ...
Страница 18: ...PCB Diagrams 2 6 2 2 2 Main Base Band Bottom ...
Страница 46: ...Flow chart of trouble shooting and Circuit Diagram 5 16 RI_LIGHT R706 Q101 3 CN503 KPCB A SSY ...