Samsung SCH-A205 Service Manual page 22

4. AMPS(FM)
TEST ITEMS
1.
PREPARATION
2. RF
POWER
3. TX
FREQUENCY
SAMSUNG Proprietary - Contents may change without notice
Set test equipments up.
"* 7 5 9 # 8 1 3 5 8 0" : Enter the Test Mode
"0 1" : Suspend
"0 4" : Current Mode Check
Confirm that the phone is in the "AMPS Mode".
( If not AMPS Mode, Use Test Command "21", "10000" or "10001"
and Enter "0 2" to restart)
"4 6" : Initialize Vocoder in Analog mode
If a wrong key would be selected, press "#", and then enter new command.
To exit the Test Mode at any time, just press "0 2".
"731" : Drive Amp "ON".
"0 1" : Suspend.
"4 6" : Initialize Vocoder in Analog mode.
"0 9 0 3 6 3 #" : Set channel to 363.
"0 7" : Carrier On.
"731" : Drive Amp "ON".
"1 0 2" : RF Power level selection, "2" means one of the power levels
(0~7).
Measurement of the Power Output Levels
Level
0 ~ 2
3
4
5
6
7
"0 8" : Carrier off
Note 1 : In case of using the antenna cable, compensation for the cable loss
should be added (about 1.5dB).
Note 2 : To prevent phones from being damaged, they must be measured only
by calibrated test equipments.
Warning !
Adjustments without calibrated equipments can cause phones to be heated
excessively and would void the warranty.
"0 1" : Suspend.
"4 6" : Initialize Vocoder in Analog mode.
"0 9 0 3 6 3 #" : Set channel to 363.
"0 7" : Carrier On.
"731" : Drive Amp "ON".
Measure the TX frequency : 835.89 MHz ±.5ppm.
PROCEDURE
RF Power
+ 28 dBm +2/- 4 dB
+ 24 dBm +2/- 4 dB
+ 20 dBm +2/- 4 dB
+ 16 dBm +2/- 4 dB
+ 12 dBm +2/- 4 dB
+ 8 dBm +2/- 4 dB
5-9