A). Set Up All Test Equipment Like As Test - Samsung STH-N271 Service Manual

4. Manual test procedure
4-1.RXA Audio Muting (Ref 2.2.2.2)
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 3":Compon
"0 3 2:":HFK_on
"1 3 4":RXUNMUTE
e). Measure AC level of audio in
AFGen: 1004Hz
FM: 8KHz dev
f). Send command RXMUTE (133)and Measure AC level of audio in
g). Compare value of e). and f).
4-2.RXA Adjacent and Alternate Channel Desensitization (Ref 2.3.1.2)
a). Set up all test equipment like as Test configuration-1
Setup channel, RF amplitude based on standard 2.3.1.2.2
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 Adjacent channel (Signal Generator) to meet 12dB SINAD
based on standard 2.3.1.2.2
f). Measure Power of Alternate channel (Signal Generator) to meet 12dB SINAD
based on standard 2.3.1.2.2
4-3.RXA Inter-modulation Spurious Response Attenuation (Ref 2.3.1.3)
a). Set up all test equipment like as Test configuration-1
Setup channel, RF amplitude based on standard 2.3.1.3.2
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 Intermodulation channel (2-Signal Generator) to meet 12dB SINAD
based on standard 2.3.1.3.2
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3-9
STH-N271 Test Procedure