Samsung SCH-811 User manual

SERVICE

CDMA CELLULAR

TELEPHONE

SCH-811

Manual

CDMA CELLULAR TELEPHONE

SAMSUNG PROPRIETARY-CONTENTS MAY CHANGE WITHOUT NOTICE

CONTENTS

1. General Introduction

2. Specification

3. Installation

4. NAM Programming

5. Product Support Tools

6. Troubleshooting

7. Exploded view and its Part List

8. Electrical Parts List

9. PCB diagrams

10. Block & circuit diagrams

Samsung Electronics Co.,Ltd.

GH68-00398A

1999. 3. REV. 1.0

ELECTRONICS

SAMSUNG Proprietary-Contents may change without notice 1-1

1. General Description

The SCH-811 cellular phone functions as both analog cellular phone working in AMPS (Advanced Mobile

Phone Service) mode and digital cellular phone working in CDMA (Code Division Multiple Access) mode.

CDMA type digital mode applies DSSS (Direct Sequential Spread spectrum) mode which first came to be used

in the military.

The DSSS reduces channel cross talk and allow to use one frequency channel by multiple users in the same

specific area, resulting in increase of channel capacity to about ten times compared to that of analog mode

currently used.

Soft/Softer Handoff, Hard Handoff, and Dynamic RF Power Control technologies are combined into this phone

to reduce the call drop while usage.

CDMA digital cellular network consists of MSO (Mobile Switching Office), BSC (Base Station Controller),

BTS(Base Station Transmission System), and MS (Mobile Station). MS meets the specifications of the below:

E IS-95A : Mobile Station-Base Station Compatibility Standard for Dual-Mode Wideband Spread Spectrum

Cellular System

E IS-96A : Speech Service Option 1 Standard for Dual-Mode Wideband Spread Spectrum Cellular Systems

E IS-98A : Standards for Dual-Mode Wideband Spread Spectrum Cellular Mobile Station

E IS-126 : Mobile Station Loopback Service Options Standard

SCH-811 is composed of main handset, rapid charger, three batteries (1600 mAh, 1000 mAh, 550mAh), hands-

free kit, car adaptor, and travel charger. Hands-Free Kit is designed to be operated in full-duplex mode taking

turn-around delay between the phone and the system into account.

2-1 SAMSUNG Proprietary-Contents may change without notice

2. Specification

2-1 General

Frequency Range Digital Mode Analog Mode

Transmitter : 824 ~ 849 MHz 824 ~ 849 MHz

Receiver : 869 ~ 894 MHz 869 ~ 894 MHz

Channel Spacing : 1.23 MHz 30kHz

Number of Channels : 20 FA 832CHs

Duplex Spacing : 45 MHz 45MHz

Frequency Stability : ±2.5 ppm (-20ûC ~ +60ûC, -4ûF ~ +140ûF)

Operating Temperature : -30ûC~+60ûC (-4ûF ~ +140ûF)

Operating Voltage

HHP : 3.6V DC (±10%)

Hands-free : 13.7V DC (±10%)

Size and Weight : 88.0 x 56.5 x 26.7/27.6/31.3 mm

including slim battery : 117.3 g

including standard battery : 145.2 g

including extended battery : 160.5 g

Operating Time

Digital Mode Standby Time : up to 36 hours (with slim battery)

: up to 65 hours (with standard battery)

: up to 100 hours (with extended battery)

Talk Time : up to 75 min (with slim battery)

: up to 150min (with standard battery)

: up to 240min (with extended battery)

SAMSUNG Proprietary-Contents may change without notice 2-2

2-2 Digital Mode

Waveform Quality 0.944 or more

Time Reference ±1uS or less

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

-25dBm, FER=0.5% or less

Tx Output Power 320mW (25dBm)

Tx Frequency Deviation ±300Hz or less

Occupied Band Width 1.32MHz

Tx Conducted Spurious Emission 900KHz : -42dBc / 30KHz below

1.98MHz: -54dBc / 30KHz below

Minimum Tx Power Control below -50dBm

-25dBm: -57.0dBm ~ -38.5dBm

Open Loop Power Control -65dBm: -17.5dBm ~ + 1.5dBm

-104dBm: +18.0dBm ~ +30.0dBm

Standby Output Power below -61dBm

Test1: ±24dB or less

Test2: 0mS ~ 2.5mS

Colsed Loop Tx Power Control Range Test3: ±24dB or more

Test4: ±24dB or more

Test5: ±24dB or more

2-3 SAMSUNG Proprietary-Contents may change without notice

2-3 ANALOG MODE

TRANSMITTER

RF output power

Carrier ON/OFF conditions

ÒONÓ Condition

ÒOFFÓ Condition

Compressor

Compression Rate

Attack Time

Recovery Time

Reference Input

Preamphasis

Maximum Freqency Deviation

F3 of G3

Supervisory Audio Tone

Signaling Tone

Wideband Data

Post Deviation Limiter Filter

3.0 ~ 5.9KHz

5.9 ~ 6.1KHz

6.1 ~ 15KHz

Over 15KHz

Spectrum Noise Suppression

For all modulation

f0+20KHz ~ f0+45KHz

For modulation by voice and SAT

f0 +45KHz

For modulation by WBD(without SAT)

and ST (with SAT)

f0+45KHz ~ f0+60KHz

f0+60KHz ~ f0+90KHz

f0+90KHz ~ 2f0

Harmonic and conducted Spurious Emissions

0.6W (+2/-4dB)

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

below-60dBm (in 2mS)

2:1

3mS

13.5mS

Input level for producing a nominal ±2.9KHz

peak freqency deviation of transmitted carrier

6dB/OCT within 0.3 ~ 3KHz

±12KHz

±2KHz (±10%)

±8KHz (±10%)

above 40 LOG (F/3000) dB

above 35 dB

above 40 LOG (F/3000) dB

above 28 dB

above 26 dB

above 63 +10 LOG (PY) dB

above 45 dB

above 65 dB

above 63 +10 LOG (PY) dB

(where f0=carrier frequency

PY=mean output power in watts)

below 43 + 10 LOG (PY) dB

SAMSUNG Proprietary-Contents may change without notice 2-4

RECEIVER

De-Emphasis

Expander

Expander Rate

Attack Time

Recovery Time

Reference Input

Sensitivity

Intermodulation Spurious Response Attenuation

RSSI Range

Protection Against Spurious Response

Interference

In Band Conducted Spurious Emission

Transmit Band

Receive Band

Other Band

Radiated Spurious Emission

Frequency Range

25 ~ 70 MHz

70 ~ 130MHz

130 ~ 174 MHz

174 ~ 260 MHz

260 ~ 470 MHz

470 ~ 1GHz

-6dB / OCT within 0.3 ~3KHz

1:2

within 3mS

within 13.5mS

output level to a 1000Hz tone from a carrier

within ±2.9KHz peak frequency deviation

12dB SINAD / -116dBm

avove 65dB

above 60dB

below -60dBm

below -80dBm

below -47dBm

Maximum Allowable EIRP

-45dBm

-41dBm

-41 ~ -32dBm

-32dBm

-32 ~ -26dBm

-21dBm

2-5 SAMSUNG Proprietary-Contents may change without notice

2-4 CDMA Debug Display Information (menu 8)

IN IDLE MODE

IN CONVERSATION MODE

1 : Sxxxxx : SID (System ldentification) toggle

Nxxxxx : NID (Network Identification) toggle

2 : SIx : Slot cycle index (lowest between the system and the phone will be used)

3 : Handset Status : 0 - Acquisition

1 - Synchronization

2 - Paging (Idle)

3 - Traffic Initialization

4 - Traffic Mode

5 - Exit

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

5 : Dxxx : sector power in dBm

6 : -xx : Ec/Io

7 : Pxxx : PN offset

8 : CHxxxx : channel number

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

E : EVRC

V : 13k or 8k

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

11 : xx : Walsh code used in traffic channel

64 Sxxxx

TEx

T-xx Dxxx -xx

CHxxxxPxxx

REx xx x

T-xx Dxxx -xx

CHxxx

Pxxx

SIx x

91011

SAMSUNG Proprietary-Contents may change without notice 2-6

2-5 FM Debug Display Information (menu 8)

1 : SIDxxxxx : FM 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

52 SIDxxxxx

PWRx RSSIxxx

CHxxxx

SATx

3. Installation

3-1 Installing a Battery Pack

1. To attach the battery pack after charging, align it with the phone about 1cm (1/2 inch away from its place so

that the two arrows on the phone are seen, the battery charge contacts pointing downward.

2. Slide the battery pack upwards until it clicks firmly into position. The phone is now ready to be turned on.

3. To remove the battery pack, release it by pressing the button on the rear of the phone.

4. Slide the battery pack downward about 1cm (1/2inch and lift it away from the phone.

3-1 SAMSUNG Proprietary-Contents may change without notice

Press this button to

release the battery pack

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