Samsung sch-880 Service Manual

Samsung Electronics

3-1

To change the phone from normal mode to test mode, you should enter the following keys :
Press [*759#813580]

Command No

Command SW Name

Description

01(1F,0,0)

02(3F,0,0)
04(1D,0,1)

07(81,0,0)

08(82,0,0)

09(83,4,0)

10(84,1,0)

11(85,0,0)
12(86,0,0)

13(87,0,0)

14(88,0,0)

15(89,10)

16(8F,0,0)

17(90,0,0)
18(92,20)
19(93,0,0)

20(9E,3,0)

21(9C,5,0)

22(91,96,96)

23(95,3,4)

24(9F,7,8)
25(92,0,0)

26(93,0,0)

27(FA 0,0)

28(FB 0,0)
30(9D,15,0)

31(00,1,0)

32(A0,1,0)

33(A1,0,0)

34(A2,0,0)

37(A5,3,0)

38(A6,3,0)

39(A7,3,0)
40(A7,3,0)

41(A9,3,0)
42(AA,1,0)

43(AB,0,0)
44(B0,0,0)

45(B1,0,0)
46(B2,0,0)
47(B3,3,0)

T_SUSPEND_I    

T_RESTART_I  

T_GET_MODE_I   

T_CARRIERON_I   

T_CARRIEROFF_I 

T_LOADSYN_I    
T_PWRLEVEL_I   

T_RXMUTE_I     

T_RXUNMUTE_I  

T_TXMUTE_I   

T_TXUNMUTE_I   
T_VOC_ESEC_I                

T_STON_I    

T_STOFF_I   

T_LCD_CONTRAST_I   

T_INDEX_DECR_I   

T_LNA_GAIN_WR_I 

T_TEST_SYS_I                

T_SNDNAM_I1)    

T_SNDVERSION_I1) 

T_SNDESN_I1)   

T_BACKLIGHT_ON_I 
T_BACKLIGHT_OFF_I 

T_LAMP_ON_I  
T_LAMP_OFF_I   

T_PLINE_I  

T_AUTOANSWER_I 
T_SATON_I*2) 

T_SATOFF_I*

T_CDATA_I  

T_RXRAS_FLATNESS_I
T_VOC_ENC_OFFSET_I          

T_VOC_DEC_OFFSET_I                
T_VOC_CDMA_UNITY_GAIN_I   

T_VOC_FM_HFRX_UPGAIN_I 
T_DTMFON_I2)  

T_DTMFOFF_I 
T_COMPANDORON_I 

T_COMPANDOROF_I  
T_FM_VCLINE_I*

T_FM_AUD_GAIN_I 

Enter to test menu

Escape from test menu

Get mode CDMA/FM  
Turn on the carrier  

Turn off the carrier  

Load the synthesizer for locking

Change RF power level 

Mute rx audio 

Unmute rx audio
Mute tx audio 

Unmute tx audio

Echo Canceller On/Off

Transmit a continuous Signaling Tone(ST) 

Stop transmit a continuous Signaling Tone(ST) 

Tune LCD contrast 
Index DECR

write LNA gain for IMD test

set test system & Channel              

Display & Send NAM Information 

Display & Send Software Version 

Display & return ESN 
Backlight on  

Backlight off 

DATASVC on  

DATASVC off 
Display and return production date

Enable Auto-answer mode
Enable the transmission of SAT

Disable the transmission of SAT

Continuously send TX Control data

Adjust CDMA RX RAS flatness. 
Vocoder ENC offset   

Vocoder DEC offset 
Vocoder CDMA unity gain  

Vocoder FM hfrx upgain   
Turn on DTMF

Turn off DTMF
Turn on compandor 

Turn off compandor 
Enter FM voice state
FM audio gain