Samsung SCH-880 User manual

ELECTRONIC
CDMA PORTABLE
TELEPHONE
SCH-880
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. Jun. 00
Pinted in Korea.
Code No.: GH68-012608A
ELECTRONICS

Samsung Electronics
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
824 ~ 849MHz
869 ~ 894MHz
1.23MHz
30KHz
832
45MHz
40K0F8W,40K0F1D
50Ω
130.38MHz
85.38MHz
1st (FTX +130.38MHz)
2nd (260.76MHz)
1st (170.76MHz)
2nd (FRX +85.38MHz)
19.68MHz
(FRX -45MHz)± 300Hz
-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 800MHz CDMA
1) General
Frequency Range
• Transmitter : 824 ~ 849 MHz
• Receiver : 869 ~ 894MHz
Channel Bandwidth : 1.23MHz
Channel Spacing : 30kHz
Number of Channels : 832
Duplex Seperation : 45 MHz
Type of Emission : 40K0F8W,40K0F1D
Input/Output Impedance : 50 Ω
Intermediate Freequency
• Transmitter : 130.38MHz
• Receiver : 85.38MHz
Local Frequency
• Transmitter : 1st(FTX+130.38MHz), 2nd(260.76MHz)
• Receiver : 1st(FRX+85.38MHz), 2nd(170.76MHz)
TCXO Frequency : 19.68MHz
Frequency Stability : (FRX-45MHz) ± 300Hz
Operation Temperature : -30°C ~ 60°C
Supply Voltage : +3.6V
2) Transmitter
Waveform Quality :0.944 or more
Open Loop Power Control Range
• -25dBm : -57.5dBm ~ -38.5dBm
• -65dBm : -17.5dBm ~ +1.5dBm
• -104dBm : +18.0dBm ~ +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 @900 KHz : -42dBc/30kHz
@1.25 MHz : -54dBc/30kHz
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1-2

3) Receiver
Rx Sensitivity and Dynamic Range : -104dBm, FER=0.5% or less
: -25dBm, FER=0.5% or less
Conducted Spurious Emission
• 869 ~ 894 MHz : <-81dBm
• 824 ~ 849 MHz : <-61dBm
• All Other Frequencies : <-47dBm
Single Tone Desensitization : lower than 1 %
Rx power level = -101dBm
Tone power level = -30dBm
Tone offset from carrier = ±900 kHz
Intermodulation Spurious Response Attenuation : lower than 1 %
Rx power = -101dBm
Tone 1 power =-43dBm
Tone 2 power =-43dBm
Tone 1 offset from carrier = ± 900kHz
Tone 2 offset from carrier = ± 1.700MHz
1-3
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2. Nam Programming
NAM features can be programmed as follows:
LCD Display Key in Function
menu + 47*869#08#9 - Selects NAM programming
NAM program 1 Choose ‘ General’
1. General
2. Setup NAM1
3. Setup NAM2
General
ESN - Electronic Serial Number of the phone is displayed
B0000000 OK - Press OK, to view next status item.
General
CAI version - Common Air Interface version is displayed
3OK - Press OK, to view next status item.
General
VOC Select
SO_VOICE_EVRC < or > - To change Vocoder rate, press < or >
OK - Store it
General
SCM - Station Class Mark displays the power class,
01101010 transmission, slotted class, dual mode.
OK - Press OK, to view next status item.
General
Lock Code 0000 4-digit lock code, current ststus is displayed
OK - Press OK, to view next status item.
General
Slot Mode Slot mode. ‘Yes’ indicates the slot mode.
Yes < or > - Changes the status.
OK - Store it.
General
Slot Index Slot mode index is displayed
2OK The higher, the longer sleeping time
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2-1

NAM program 2 choose ‘Setup NAM1’
1. General
2. Setup NAM1
3. Setup NAM2
Setup NAM1 1 choose ‘Phone #’
1:Phone #
2:CDMA
NAM1 Digital
Phone # - Phone number
1234567890 - To change, enter new one.
OK - Store it.
NAM2 Digital
Directory # - Directory number
1234567890 - To change, enter new one.
OK - Store it.
Setup NAM1 2 Choose ‘CDMA’
1:Phone #
2:CDMA
NAM1 Digital
IMSI_MCC 000 IMSI Moble Country Code, current code is displayed.
OK - Press OK, to view next status item.
NAM1 Digital
IMSI_MNC 00 IMSI Mobile Network Code, current code is displayed.
OK
NAM1 Digital
CDMA ACCOLC class number
6 CDMA Access Overload Class, current status is displayed.
OK -Press OK, to view next status item
NAM1 Digital
Pchn Sys A 283
Primary channel at System A, current channel is displayed
OK - Press OK, to view next status item
NAM1 Digital
Pchn Sys B 384 P
rimary channel at System B, current channel is displayed
OK - Press OK, to view next status item
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LCD Display Key in Function

NAM1 Digital
Schn Sys A 691
Secondary channel at System A, current channel is displayed
OK - Press OK, to view next status item
NAM1 Digital
Schn Sys B 777
Secondary channel at System B, current channel is displayed
OK -Press OK, to view next status item
NAM1 Digital
LockoutSID01 0 1st lock system ID,current status is displayed.
OK - Press OK, to view next status item
NAM1 Digital
LockoutSID02 0 2nd lock system ID,current status is displayed.
OK - Press OK, to view next status item
—————- repeated to LockoutSID10 ————————————-
NAM1 Digital
CDMA HomeSID CDMA Home system ID, current status is displayed
Yes < or > - Changes the status.
OK - Store it.
NAM1 Digital
CDMA fSID CDMA foreign SID, current status is displayed.
Yes < or > - Changes the system.
OK - Store it.
NAM1 Digital
CDMA fNID CDMA foreign NID, current status is displayed.
Yes < or > - Changes the system.
OK - Store it.
NAM1 Digital
Home SID 018465 1st CDMA Home system ID, current status is displayed
OK - Press OK, to view next status item
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LCD Display Key in Function

NAM1 Digital
Home NID 01
65535 1st CDMA Home Network ID, current status is displayed
OK - Press OK, to view next status item
NAM1 Digital
Home SID 028465 2nd CDMA Home system ID, current status is displayed
OK - Press OK, to view next status item
NAM1 Digital
Home NID 02
65535 2nd CDMA Home Network ID, current status is displayed
OK - Press OK, to view next status item
————— repeated to SID 4 & NID 4——————————
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LCD Display Key in Function

2-5 Samsung Electronics
NAM program 3 choose ‘Setup NAM2’
1. General
2. Setup NAM1
3. Setup NAM2
Setup NAM2 1 choose ‘Phone #’
1:Phone #
2:CDMA
NAM2 Digital
Phone # - Phone number
1234567890 - To change, enter new one.
OK - Store it.
NAM2 Digital
Directory # - Directory number
1234567890 - To change, enter new one.
OK - Store it.
Setup NAM2 2 choose ‘CDMA’
1:Phone #
2:CDMA
NAM2 Digital
IMSI_MCC 000 IMSI Moble Country Code, current code is displayed.
OK - Press OK, to view next status item.
NAM2 Digital
IMSI_MNC 00 IMSI Mobile Network Code, current code is displayed.
OK
NAM2 Digital
CDMA ACCOLC class number
6 CDMA Access Overload Class, current status is displayed.
OK - Press OK, to view next status item
NAM2 Digital
Pchn Sys A 283 Primary channel at System A, current channel is displayed
OK - Press OK, to view next status item
NAM2 Digital
Pchn Sys B 384 Primary channel at System B, current channel is displayed
OK - Press OK, to view next status item
LCD Display Key in Function