Samsung STH-N271 Service Manual page 26

STH-N271 Test Procedure
4-4.RXA Protection Against Spurious Response Interference (Ref 2.3.1.4)
a). Set up all test equipment like as Test configuration-1
Setup channel, RF amplitude based on standard 2.3.1.4.2
b). Power ON the phone
c). For entering the test mode, Press the key number "
d). Input the commands.
"0 3 1" : Suspend.
"1 3 1" : Set_atten '3 8 3' channel.
"1 7 3":Compoff
"0 3 2:":HFK_on
"1 3 4":RXUNMUTE
e). Measure Power of undesired input (Signal Generator) to meet 12dB SINAD
based on standard 2.3.1.4.2
4-5.RXA RSSI (Ref 2.6.1)
a). Set up all test equipment like as Test configuration-1
Setup channel, RF amplitude based on standard 2.6.1.2
b). Power ON the phone and Press the key number "
c). Make a call
d). Measure RSSI by test mode in the telephone based on standard 2.6.1.2
4-6.TXA Audio Muting (Ref 3.3.1.2.4)
a). Set up all test equipment like as Test configuration-1
RF amplitude: -50dBm, Setup channel: 383ch, SAT : 6000Hz
b). Power ON the phone
c). For entering the test mode, Press the key number "
d). Input the commands.
"0 3 1" : Suspend.
"1 3 1" : Set_atten '3 8 3' channel.
"1 7 2":Compon
"0 3 2:":HFK_on
"1 3 6":TXUNMUTE
e). Measure FM deviation and Set Reference level
f). Send command TXMUTE (1 3 5)
g). Measure relative FM deviation based on standard 3.3.1.2.4.3
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