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SAMSUNG Proprietary-Contents may change without notice
5-7
Product Support Tools
5-4. CONVERSION TABLE OF FREQUENCY vs CHANNEL
T Y P E
CHANNEL
CONVERSION EQUATION
REMARK
TX
1
≤
N
≤
799
F=0.03
✕
N + 825.00
FREQUENCY
990
≤
N
≤
1023
F=0.03
✕
(N-1023) + 825.00
RX
1
≤
N
≤
799
F=0.03
✕
N + 870.00
FREQUENCY
990
≤
N
≤
1023
F=0.03
✕
(N-1023) + 870.00
Change to Test Mode
A. To change the phone’s state from Normal Mode to Test Mode, You should enter the following keys.
“ * 7 5 9 # 8 1 3 5 8 0 “
B. The command “0 1” is Suspend.
C. To finish the Test Mode, You should enter the command “0 2”.
* Note
: Make sure to change to “Digital only” or “Analog only” mode in NAM1,
EST MODE. (Refer to 4. NAM Programming)
Channel Selection and Tx Power Output Level Control
1. Digital Mode (CDMA)
A. Enter to Test Mode ( * 7 5 9 # 8 1 3 5 8 0 ).
B. “0 1” : Suspend.
C. “0 9 0 3 6 3 #” : Set to ‘0363’ channel.
D. “0 7” : Carrier On.
E. “3 4” : Spread spectrum to 1.23MHz band width.
F. “7 1 2 7 5 #” : Output RF power level setting.
“275” means AGC level and AGC level range is from 0 to 511.
2. Analog Mode ( FM )
A. Enter to Test Mode ( * 7 5 9 # 8 1 3 5 8 0 ).
B. “0 1” : Suspend.
C. “4 6” : Vocoder initial to Analog mode.
D. “0 9 0 3 8 3 #” : Set to ‘0383’ channel.
E. “0 7” : Carrier On.
F. “7 2 2 7 5 #” : Output RF power level setting.
“275” means AGC level and AGC level range is from 0 to 511.
G. “1 0 2” : RF Power level control, 2(0~7) means power level .
N ; CH NUMBER
F ; FREQUENCY
Summary of Contents for SCH 620
Page 75: ...9 Block Diagrams SAMSUNG Proprietary Contents may change without notice 9 1 9 1 Main Diagram ...
Page 77: ...SAMSUNG Proprietary Contents may change without notice 9 3 MEMO MEMO ...
Page 79: ...PCB diagrams Samsung Electronics 10 2 10 2 Main PCB Bottom Diagram ...
Page 80: ...PCB diagrams Samsung Electronics 10 3 10 3 CLC PCB Top Diagram 10 4 CLC PCB Bottom Diagram ...
Page 81: ...PCB diagrams Samsung Electronics 10 4 10 5 Hands free Kit PCB Top Diagram ...
Page 84: ...Samsung Electronics 11 3 Circuit diagrams 11 3 CLC Circuit Diagram ...
Page 85: ... Samsung Electronics Co Ltd APRIL 2000 Printed in Korea Code No GH68 00669A BASIC ELECTRONICS ...