Samsung SCH-8500 User manual

ELECTRONIC
DUAL BAND(PCS+AMPS)
PORTABLE
TELEPHONE
SCH-8500
Manual
DUAL MODE TELEPHONE CONTENTS
1. Specification
2. Nam Programming
3.Test Commands & Test Procedure List
4.Test Procedure
5. Exploded View & its Parts List
6. Electrical Parts List
7. Block Diagram
8. PCB Diagram
9. Schematic Diagrams
SERVICE

Samsung Electronics Co.,Ltd. Dec. 99
Pinted in Korea.
Code No.: GH68-00949A
ELECTRONICS

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1-1
1. Specification
1-1 General
ITEM
Tx Freq. range
Rx Freq. range
Channel Bandwidth
Channel Spacing
Number of Channel
Duplex Separation
Type of Emission
In/Output Impedance
Tx Intermediate Freq.
Rx Intermediate Freq.
Tx Local Freq.
Rx Local Freq
TCXO freq.
Freq. Stability
Operating Temperature
CDMA
1850 ~ 1910MHz
1930 ~ 1990MHz
1.23MHz
50KHz
1200
80MHz
1M25F9W
50
130.38MHz
210.38MHz
1st (FTX-130.38MHz)
2nd (260.76MHz)
1st (420.76MHz)
2nd (FRX-210.38MHz)
19.68MHz
(FRX-80MHz)±150Hz
-30°C ~ +60°C
AMPS
824 ~ 849MHz
869 ~ 894MHz
30KHz
30KHz
832
45MHz
40K0F8W,40K0F1D
50
130.38MHz
85.38MHz
1st (FTX+130.38MHz)
2nd (260.76MHz)
1st (170.76MHz)
2nd (FRX+85.38MHz)
19.68MHz
±2.5ppm
-30°C ~ +60°C
Supply Voltage 3.6V
Size and Weight Slim : 88mm X 50mm X 23.5mm, 105 g, 500 mA
STD : 88mm X 50mm X 25.7mm, 135 g, 1000 mA
EXT : 88mm X 50mm X 27.5mm, 151 g, 1600 mA

1-2. 1.9GHz CDMA(US PCS)
1) General
Frequency Range
• Transmitter : 1850-1910MHz
• Receiver : 1930-1990MHz
Channel Bandwidth : 1.23MHz
Channel Spacing : 50kHz
Number of Channels : 1200
Duplex Seperation : 80 MHz
Type of Emission : 1M25F9W
Input/Output Impedance : 50
Intermediate Frequency
• Transmitter : 130.38MHz
• Receiver : 210.38MHz
Local Frequency
• Transmitter : 1st(FTX-130.38), 2nd(260.76MHz),
• Receiver : 1st(FRX-210.38MHz), 2nd(420.76MHz),
TCXO Frequency : 19.68MHz
Frequency Stability : (FRX-80MHz) ±150Hz
Operation Temperature : -30°C ~ 60°C
Supply Voltage : +3.6V
2) Transmitter
Waveform Quality :0.944 or more
Open Loop Power Control Range
• -25dBm : -60.5dBm ~ -41.5dBm
• -65dBm : -20.5dBm ~ +1.5dBm
• -104dBm : +15.0dBm ~ +30dBm
Minimum Tx Power Control : below -50dBm
Closed Loop Power Control Range : ±24dB
Maximum RF Output Power : 200mW(+23dBm)
Occupied Bandwidth : 1.23MHz
Conducted Spurious Emission @1.25 MHz: -42dBc/30kHz
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3) Receiver
Rx Sensitivity and Dynamic Range : -104dBm, FER = 0.5% or less
: - 25dBm, FER = 0.5% or less
Conducted Spurious Emission
• 1930 ~ 1990MHz : <-81dBm
• 1850 ~ 1910MHz : <-61dBm
• All Other Frequencies : <-47dBm
Single Tone Desensitization : lower than 1 %
Rx power = -101dBm
Tone power = -30dBm
Tone offset from carrier = ±1.25 MHz
Intermodulation Spurious Response Attenuation : lower than 1 %
Rx power = -101dBm
Tone 1 power = -43dBm
Tone 2 power = -43dBm
Tone 1 : offset from carrier = ±1.25 MHz
Tone 2 : offset from carrier = ±2.05 MHz
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1-3. 800MHz AMPS
1) General
Frequency Range
• Transmitter : 824~849 MHz
• Receiver : 869~894MHz
Channel Spacing : 30kHz
Number of Channels : 832
Duplex Spacing : 45MHz
Frequency Stability : ±2.5ppm(-30°C ~ 60°C, -22°F ~ 140°F)
Modulation/Demodulation
• Voice : PM
• Data : FM
Operating Temperature :-30°C ~ 60°C, -22°F ~ 140°F
Supply Voltate : 3.6V
2) Transmitter
RF output power : 0.6W(+2/-4dB)
Carrier ON/OFF conditions
“ON” Condition : within ±3dB of specification output(in 2 ms)
“OFF” Condition : below -60dBm(in 2ms)
Compresssor
Compression Rate : 2 : 1
Attack Time : 3ms
Recovery Time : 13.5ms
Reference Input : input power level for producing a nominal ±2.9kHz
: peak frequency deviation of transmitted carrier
Preamphasis : 6dB/OCT within 0.3 ~ 3 kHz
Maximum Frequency Deviation
F3 of G3 :±12 kHz
Supervisory Audio Tone : ±2 kHz(±10%)
Signaling Tone : ±8 kHz(±10%)
Wideband Data : ±8 kHz(±10%)
Post Deviation Limiter Filter
3.0 ~ 5.9 kHz : above 40 LOG(F/3000)dB
5.9 ~ 6.1 kHz : above 35dB
6.1 ~ 15 kHz : above 40 LOG(F/3000)dB
Over 15 kHz : above 28 dB
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Spectrum Noise Suppression
For all modulation
fo +20 kHz ~ fo + 45 kHz : above 26dB
For modulation by voice and SAT
fo + 45 kHz : above 63dB+10LOG(PY)dB
For modulation by WBD(without SAT) and ST(with SAT)
fo +45 kHz ~ fo + 60 kHz : above 45 dB
fo +60 kHz ~ fo + 90 kHz : above 65 dB
fo +90 kHz ~ 2 fo : above 63 dB + 10 LOG(PY) dB
(where fo = carrier frequency
PY = mean output power in watts)
Harmonic and conducted Spurious Emissions : below 43 + 10 LOG(PY) dB
3) Receiver
De-emphasis : -6dB/OCT within 0.3 ~ 3 kHz
Expandor
Expandor Rate : 1 : 2
Attack time : within 3 ms
Recovery Time : within 13.5 ms
Reference input : output power level to a 1000Hz tone from a carrier within ±2.9 kHz
peak frequency deviation
Sensitivity : 12 dB SINAD/-116dBm
Intermodulation Spurious Response Attenuation : above 65dB
RSSI Range : above 60dB
Protection Against Spurious Response Interference : above 60dB
In Band Conducted Spurious Emission
Transmit Band : below -60 dBm
Receive Band : below -80 dBm
Out of Band Conducted Spurious Emissions : below -47dBm
Radiated Spurious Emission
Frequency Range : Maximum Allowable EIRP
25 ~ 70MHz : -45dBm
70 ~ 130MHz : -41dBm
130 ~ 174 MHz : -41 ~ -32dBm
174 ~ 260 MHz : -32 dBm
260 ~ 470 MHz : -32 ~ -26 dBm
470 ~ 1G MHz : -21 dBm
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2. Nam Programming
LCD Display Key in Function
MENU, 8,2,0 - Selects NAM programming
Enter Lock 222222 - Enter random 6-digit code(MSL)
??????
SVC Menu 1 - Choose ‘Phone #’
1: Phone #
2: General
3: NAM
Phone # - Phone number setup
1234567890 keypad - To change phone number, enter phone #.
OK - Store it.
Mobile ID # - Mobile ID setup
1234567890 keypad - To change phone number, enter phone #.
OK - Store it.
SVC Menu 2 - Choose ‘GENERAL’
1: Phone #
2: General
3: NAM
ESN - Electronic Serial Number of the phone is
B0000000 OK displayed
CAI version - Common Air Interface version is displayed
1OK
SCM - Station Class Mark displays the power class,
00001010 OK transmission, slotted class, dual mode.
Lock Code Lock code, current status is displayed
0000 4-digit code - to change, enter new code.
OK - stores it
Slot Mode Slot mode. ‘Yes’ indicates the slot mode.
No * or # - changes the status.
OK - stores it.
Slot Index Slot mode index. The higher,the longer sleeping
time
20-7 - to change,enter new one.
OK - stores it.
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Svc Menu 3 - Choose ‘Setup NAM’
1: Phone #
2: General
3: NAM
IMSI_MCC IMSI Moble Country Code,current code is
displayed.
310 number - To change,enter new one.
OK - Sstores it.
IMSI_MNC IMSI Mobile Network Code,current code is
displayed.
00 number - To change,enter new one.
OK - Stores it.
CDMA ACCOLC CDMA Access Overload Class,current status is
displayed.
0 class number - To change,enter new one.
OK - Stores it.
CDMA Home SID CDMA Home system ID,current status is displayed
Yes * or # - Changes the status.
OK - Stores it.
CDMA fSID CDMA foreign SID,current status is displayed.
Yes * or # - Changes the system.
OK - Stores it.
CDMA fNID CDMA foreign NID,current status is displayed.
Yes * or # - Changes the system.
OK - Stores it.
HOME SID SID written in the list,current status is displayed.
number - To change,enter new one.
1700 OK - Stores it.
NID NID written in the list,current status is displayed.
1 number - To change,enter new one.
OK - Stores it.
AMPS ACCOLC AMPS Access Overload Class,current status is
displayed.
0 class number - To change,enter new one.
OK - Stores it.
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LCD Display Key in Function

NAM program 3 choose ‘Setup NAM2’
1. General
2. Setup NAM1
3. Setup NAM2
NAM2 Digital
IMSI_MCC IMSI Moble Country Code, current code is displayed.
000 number - To change, enter new one.
OK - Store it.
NAM2 Digital
IMSI_MNC IMSI Mobile Network Code, current code is displayed.
00 number - To change, enter new one.
OK - Store it.
NAM2 Digital
Phone # - Phone number
1234567890 Phone number - To change, enter new one.
OK - Store it.
NAM2 Digital
Directory # - Directory number
1234567890 Phone number - To change, enter new one.
OK - Store it.
NAM2 Digital
Home SID 01 1st CDMA Home system ID, current status is displayed
1 Phone number - To change, enter new one.
OK - Store it.
NAM2 Digital
Home NID 01 1st CDMA Home Network ID, current status is displayed
65535 Phone number - To change, enter new one.
OK - Store it.
NAM2 Digital
Home SID 02 2nd CDMA Home system ID, current status is displayed
1 Phone number - To change, enter new one.
OK - Store it.
NAM2 Digital
Home NID 02 2nd CDMA Home Network ID, current status is displayed
65535 Phone number - To change, enter new one.
OK - Store it.
————— repeated to SID 20 & NID 20——————————
NAM2 Digital
Lockout SID01 1st lock system ID,current status is displayed.
0 ID number - To change, enter new one.
OK - Store it.
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LCD Display Key in Function