Samsung SCH-1500 service manual.pdf

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Samsung SCH-1500 service manual
PORTABLE CELLULAR
TELEPHONE
SCH-1500 Series
SERVICE
Manual
PORTABLE CELLULAR TELEPHONE
CONTENTS
1. General Introduction
2. Specification
3. Installation
4. Nam Programming
5. Product Support Tools
6. Circuit Description
TALK
END/
7. Test Procedure
1
2
ABC
3
DEF
8. Trouble Shooting
4
GHI
5
JKL
6
MNO
9. Exploded Views and Parts List
7
PQRS
8
TUV
9
WXYZ
0
OPER
10. PCB Diagrams
CLR
OK
MENU
11. Electrical Parts List
12. Block & Circuit Diagrams
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ELECTRONICS
Samsung Electronics Co.,Ltd.
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1. General Introduction
The SCH-1500 DBDM phone functions as both analog phone working in AMPS (Advanced Mobile Phone
Service) mode and digital phone working in PCS (Personal Communication Service) mode.
The following standards and minimum performance standards shall be met or exceeded by each subscriber
unit.
Air Interface
The Subscriber Unit shall be Dual mode and Dual band in compliance with ANSI J-STD-008 and TIA/EIA IS-
95A(Analog).
ANSI J-STD-008 : Personal Station-Base Station Compatibility Requirements for 1.8 to 2.0 GHz CDMA PCS.
ANSI J-STD-018 : Recommended Minimum Performance Requirements for 1.8 to 2.0 GHz CDMA Personal
Stations.
CDG Ref. Document #27 : High Rate Speech Service Option for Wideband Spread Spectrum System.
TIA/EIA IS-96A : Speech Service Option 1 Standard for Dual mode Wideband Spread Spectrum Cellular
Systems.
TIA/EIA IS-125 : Recommended Minimum Performance standards for Digital Cellular Wideband Spread
Spectrum Speech Service Option1.
TIA/EIA IS-126-A : Mobile Station Loop back Service Option standard.
CDMA Receiver/Transmitter Specifications and Requirements
The Subscriber Unit shall comply with ANSI J-STD-008 and meet or exceed TIA/EIA IS-98A. The Subscriber
Unit shall comply with Personal Station Class II.
Analog Receiver/Transmitter Specifications and Requirements
The Subscriber Unit shall comply with TIA/EIA IS-95A and meet or exceed TIA/EIA IS-95. The Subscriber Unit
shall comply with Mobile Station Power Class III (600mW).
Samsung Electronics
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General Introduction
Memo
1-2
Samsung Electronics
 
2. Specification
2-1 General
Frequency Range
PCS Mode
AMPS Mode
Transmitter
: 1850 ~ 1910 MHz
824 ~ 849 MHz
Receiver
: 1930 ~ 1990 MHz
869 ~ 894 MHz
Channel Spacing
: 1.25 MHz
30 kHz
Number of Channels
: 1200
832
Duplex Spacing
: 80 MHz
45 MHz
Frequency Stability
: (F RX - 80MHz) ° 150Hz
° 2.5 ppm
Operating Temperature
: -30 o C ~ 60 o C
Operating Voltage
HHP
: 7.2V DC (° 10%)
Hands-free
: 13.7V DC (° 10%)
Size and Weight
including standard battery
: 14.6 x 5.4 x 2.5 cm, 191 cc, 220 g (7.7 ounces)
including extended-life battery
: 14.6 x 5.4 x 3.35 cm, 250 cc, 226 g (7.9 ounces)
Samsung Electronics
2-1
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