Samsung SGH-A500 User manual

SGH-A500
SERVICE
Manual
GSMTELEPHONECONTENTS
1.Specification
2.ExplodedViewsand PartsList
3.ElectricalPartsList
4.BlockDiagram
5.PCB Diagrams
6.FlowChartofTroubleshooting and
CircuitDiagrams
GSMTELEPHONE

ELECTRONICS
Samsung ElectronicsCo.,Ltd.November.2002
Printedin Korea.
CodeNo.:GH68-03059A
BASIC.
ⓒ

SAMSUNG Proprietary-Contents may change without notice
1.SGH-A500 Specification
1-1
GSM900
Phase1EGSM900 Phase2DCS1800 Phase1
Freq.Band[MHz]
Uplink/Downlink 890~915 935~960 880~915 925~960 1710~1785 1805~1880
ARFCNrange1~124 0~124 &975~1023 512~885
Tx/Rxspacing 45MHz45MHz95MHz
Mod.Bit rate/
Bit Period 270.833kbps 3.692us270.833kbps 3.692us270.833kbps 3.692us
TimeSlotPeriod/Frame
Period 576.9us 4.615ms576.9us 4.615ms576.9us 4.615ms
Modulation 0.3GMSK0.3GMSK0.3GMSK
MS Power33dBm~13dBm33dBm~5dBm30dBm~0dBm
PowerClass 5pcl~15pcl5pcl~19pcl0pcl~15pcl
Sensitivity-102dBm-102dBm-100dBm
TDMAMux 8 8 8
CELL RADIUS35Km35Km2Km
1. GSMGeneralSpecification

SAMSUNG Proprietary-Contents may change without notice
1-2
SGH-A500 Specification
TXPower
control levelGSM900
5 33±2 dBm
6 31±3 dBm
7 29±3 dBm
8 27±3 dBm
9 25±3 dBm
10 23±3 dBm
11 21±3 dBm
12 19±3 dBm
13 17±3 dBm
14 15±3 dBm
15 13±3 dBm
16 11±5 dBm
17 9±5 dBm
18 7±5 dBm
19 5±5 dBm
TXPower
control levelDCS1800
0 30±2 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
2. GSMTXpower class (@Normalcondition)

SAMSUNG Proprietary-Contents may change without notice
2.SGH-A500 ExplodedViewand its Partslist
2-1
1.CellularphoneExplodedView
15 6
7
8
9
10
11
12
14
17
18
19
20
21
22
23
25
24
16
13
1
2
3
4
5