
4-2
Block Diagrams
4-2 Main RF
IF SA
W
Filter
(225MHz)
LC
Filter
(45MHz)
Dual P
o
w
er AMP Module
(U608)
SI4133-MLP28
(U612)
VCTCXO
13MHz
(U613)
HD155128TF
(U605)
IF VCO
1080MHz
925~960MHz
Ant.
S/W
(U602)
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
v
2
90MHz
v
6
90
°
Shift
v
2
DCS :
270MHz
GSM :
540MHz
I&Q
Mod.
GSM :
270MHz
DCS :
135MHz
Phase
Detector
Loop
filter
GSM :
270MHz
DCS :
135MHz
VP40575
(U501)
880 ~ 915MHz
1710 ~ 1785 MHz
Tx Dual
VCO
(U610)
Mix
er 2
Ser
ial data
interf
ace
45MHz
270MHz
v
2
GSM :
1150~1185MHz
DCS :
1580~1655MHz
IRXP
IRXN
QRXP
QRXN
I&Q Demo
.
SCLK
S
D
ATA
A
GC_EN
bias circuit
Mix
er 1
RF VCO
v
2
Rx
SA
W
filter
540MHz
GSM :
1150~1185MHz
DCS :
1575~1650MHz
(CH 62 :
947.4MHz)
(CH 698 :
1842.2MHz)
(CH 62 :
902.4MHz)
(CH 698 :
1747.2MHz)
CH 62 :
1172.4MHz
CH 698 :
1617.2MHz
IRXP
IRXN
QRXP
QRXN
U604
U606
U601
C617, L608
APC IC
(U611)
Coupler
(U607)
Coupler
(U607)
SGH-N288
RF
Bloc
k
Dia
gram
Содержание SGH-N200
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 06 2001 Rev 5 1 GH68 02049A ...
Страница 11: ...Exploded Views and Parts List 1 8 1 10 Desk Top Charger DESK TOP CHARGER GH44 00186B ...
Страница 12: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 13: ...PCB Diagrams 2 2 2 2 Main Bottom ...
Страница 44: ...5 16 Flow chart of trouble shooting RN1102 2 3 1 Q204 LED208 CL 150YG CD T R215 220 VBATT RI_LIGHT ...