Samsung SCH-1500 series Manual de usuario

SERVICE

PORTABLE CELLULAR

TELEPHONE

SCH-1500 Series

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Manual

PORTABLE CELLULAR TELEPHONE CONTENTS

1. General Introduction

2. Specification

3. Installation

4. Nam Programming

5. Product Support Tools

6. Circuit Description

7. Test Procedure

8. Trouble Shooting

9. Exploded Views and Parts List

10. PCB Diagrams

11. Electrical Parts List

12. Block & Circuit Diagrams

Samsung Electronics Co.,Ltd.

ELECTRONICS

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 1-1

1-2 Samsung Electronics

General Introduction

Memo

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 : (FRX - 80MHz) ± 150Hz ± 2.5 ppm

Operating Temperature : -30 oC ~ 60 oC

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

2-2 Samsung Electronics

Specification

2-2 AMPS Mode

TRANSMITTER

RF output power : 0.6 W (+2/ - 4 dB)

Carrier ON/OFF Conditions

ÒONÓ Condition : within ± 3 dB of specification output (in 2mS)

ÒOFFÓ Condition : below - 60 dBm (in 2mS)

Compressor

Compression Rate : 2:1

Attack Time : 3 mS

Recovery Time : 13.5 mS

Reference Input : Input level for producing a nominal ± 2.9 kHz peak

frequency deviation of transmitted carrier

Preamphasis : 6 dB/OCT within 0.3 ~ 3 kHz

Maximum Frequency Deviation

F3 of G3 : ± 12 kHz (± 10 %)

Supervisory Audio Tone : ± 2 kHz (± 10 %)

Signaling Tone : ± 8 kHz (± 10 %)

Wideband Data : ± 8kHz (± 10 %)

Post Deviation Limiter Filter

3.0 kHz ~ 5.9 kHz : above 40LOG (F/3000) dB

5.9 kHz ~ 6.1 kHz : above 35 dB

6.1 kHz ~ 15 kHz : above 40 LOG (F/3000) dB

Over 15 kHz : above 28 dB

Spectrum Noise Suppression

For All Modulation

f0+ 20 kHz ~ f0+ 45 kHz : above 26 dB

For Modulation by Voice and SAT

f0+ 45 kHz : above 63 + 10LOG (Py) dB

For Modulation by WBD (without SAT) and ST (with SAT)

f0+ 45 kHz ~ f0+ 60 kHz : above 45 dB

f0+ 60 kHz ~ f0+ 90 kHz : above 65 dB

f0+ 90 kHz ~ 2f0: above 63 + 10LOG (Py) dB

(where f0= carrier frequency,

Py = mean output power in watts)

Harmonic and Conducted Spurious Emissions : above 43 + 10 LOG (Py) dB

Samsung Electronics 2-3

Specification

Frequency Range Maximum Allowable EIRP

25 ~ 70 MHz -45 dBm

70 ~ 130 MHz -41 dBm

130 ~ 174 MHz -41 ~ -32 dBm

174 ~ 260 MHz -32 dBm

260 ~ 470 MHz -32 ~ -26 dBm

470 ~ 1 GHz -21 dBm

RECEIVER

DE-Emphasis : -6 dB/OCT within 0.3 ~ 3 kHz

Expander

Expansion Rate : 1:2

Attack Time : within 3 mS

Recovery Time : within 13.5 mS

Reference Input : Output level to a 1000 Hz tone from a carrier within ±

2.9 kHz peak frequency deviation

Sensitivity : 12 dB SINAD/-116 dBm

Intermodulation Spurious Response Attenuation : above 65 dB

RSSI Range : above 60 dB

Protection Against Spurious Response Interference : above 60 dB

In Band Conducted Spurious Emissions

Transmit Band : below -60 dBm

Receive Band : below -80 dBm

Out of Band Conducted Spurious Emissions : below - 47 dBm

Radiated Spurious Emissions

Specification

2-3 PCS Mode

TRANSMITTER

Waveform Quality : 0.944 or more

Open loop Power Control Range

-25 dBm : -60.5 dBm ~ 41.5 dBm

-65 dBm : -20.5 dBm ~ -1.5 dBm

-104 dBm : +15.0 dBm ~ +30.0 dBm

Minimum Tx Power Control : -50 dBm below

Closed Loop Power Control Range : ±24 dB

Maximum RF Output Power : 200 mW (+23 dBm)

Occupied Bandwidth : 1.23 MHz

Conducted Spurious Emissions @ 1.25 MHz : -42 dBc/30 KHz

RECEIVER

Rx Sensitivity and Dynamic Range : -104 dBm, FER=0.5% or less

(Rate Set 1) : -25 dBm, FER=0.5% or less

Conducted Spurious Emission

1930 ~ 1990 MHz : <-81 dBm

1850 ~ 1910 MHz : <-61 dBm

All Other Frequencies : <-47 dBm

Single Tone Desensitization : lower than 1%

Rx power = -101 dBm

Tone power = -30 dBm

Tone offset from carrier = ±1.25 MHz

Intermodulation Spurious Response Attenuation : lower than 1%

Rx power = -101 dBm

Tone power 1 = -43 dBm

Tone power 2 = -43 dBm

Tone 1 offset from carrier = ±1.25 MHz

Tone 2 offset from carrier = ±2.05 MHz

2-4 Samsung Electronics

Samsung Electronics 2-5

Specification

IN IDLE MODE

IN CONVERSATION MODE

1 Sxxxxx : SID (System Identification) toggle

Nxxxxx : NID (Network Identification) toggle

2 SIx : Slot cycle index (lowest between the system

and the phone will be used)

1. SI0 : Slot Index 0

2. SI1 : Slot Index 1

3. SI2 : Slot Index 2

3 Handset Status : 0 - NO SVC

1 - Synchronization

2 - Paging (Idle)

3 - Reg. Access state

4 - Traffic Initialization

5 - Waiting for order

6 - Waiting for answer

7 - Conversation state

8 - Exit

4 T-xx : Tx adjust, Value ranges from +63~0~63dB

5 Dxxx : Sector power in dBm

6 -xx : ec/lo

7 Pxxx : PN offset

8 CHxxxx : Channel number

9 TV : Tx vocoder rate (8 is full rate, 1 is 1/8th rate)

10 RV : Rx vocoder rate (8 is full rate, 1 is 1/8th rate)

11 xx : Walsh code used in traffic channel

12 System acquisition state

2-4 PCS Debug Display Information

To select debug display mode : Press [MENU] + [8] + [0], and press [0] + [4] + [0] + [7] + [9] + [3] or

press [0] + [0] + [0] + [0] + [0] + [0].

SIDxxxxx SIx x

T - xx Dxxx - xx

Pxxx CHxxxx

xx xx

2 3

TVx RVx xx x

T - xx Dxxx - xx

Pxxx CHxxxx

xx xx

10 11

Specification

2-6 Samsung Electronics

1 SIDxxxxx : AMPS Home System ID

2 PWRx : Power Level 0 ~ 7

3 SATx : Supervisory Audio Tone code (0 ~ 3)

4 x (Using Frequency Band) : A Band or B Band

5 RSSIxxx : RSSI value

6 CHxxx : Using Channel

7 Handset Status : 1 - Initialization state

2 - Idle state

3 - System Access state

4 - Voice channel state

8 System acquisition state

2-5 AMPS Debug Display Information

To select debug display mode : Press [MENU] + [8] + [0], and press [0] + [4] + [0] + [7] + [9] + [3] or

press [0] + [0] + [0] + [0] + [0] + [0].

SIDxxxxx x x

PWRx RSSIxxx

SATx CHxxxx

xx xx

7 4

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