AIR-SA15TI, AIR-SA20PK - Sony Audio Service Manual (repair manual). Page 7

1.  PANEL  TEST 
Procedure:
1.  The [POWER] switch is set [ON] to turn the main power on.
2.  While pressing the [BAND] and [SYSTEM MENU] buttons, 

press the [PAIRING] button.

3.  Then all segments of fl uorescent indicator tube are turned on 

and all LEDs are lighted.

4.  Press the [SYSTEM MENU] button, the model name is dis-

played on the fl uorescent indicator tube.

5.  Each time [SYSTEM MENU] button is pressed, the display 

changes starting from model name, destination, MC, SYS, UI, 
ST and AR version this order, and returns to the model name 
display.

6.  Press the [ILLUMINATION] button, the version is displayed 

changes to last updated date displayed.

7.  Press the [BAND] button, the messages “K 0” is displayed on 

the fl uorescent indicator tube. All buttons are pressed, display 
becomes “K 5”. (Buttons other than [ENTER] and [PAIRING])

8.  To release from this mode, while pressing the [BAND] and 

[SYSTEM MENU] buttons, press the [PAIRING] button.

2.  FACTORY  PRESET
Procedure:
1.  The [POWER] switch is set [ON] to turn the main power on.
2.  While pressing the [BAND] and [TUNING/SELECT –] but-

tons, press the [PAIRING] button.

3.  The messages “FACTORY” appears and initialization is per-

formed, and the messages “FM 87.50” appears.

3.  S-AIR  TEST
3-1.  S-AIR test mode
Setting method:
1.  The [POWER] switch is set [ON] to turn the main power on.
2.  While pressing the [BAND] and [TUNING/SELECT +] but-

tons, press the [PAIRING] button.

3.  Entered the S-AIR test mode.
4.  It returns to the S-AIR test mode each item when [SYSTEM 

MENU] button is pressed after it enters each item.

5.  To release from this mode, while pressing the [BAND] and 

[TUNING/SELECT +] buttons, press the [PAIRING] button.

3-1-1.  I2C connection check
This mode is confi rm the I2C line between IC401 on the MAIN 
board and EZW-RT10.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select “I2C”.

3.  Press the [ENTER] button, the messages “OK” or “NG” is dis-

played on the fl uorescent indicator tube. When the I2C line 
between IC401 on the MAIN board and EZW-RT10 is normal, 
“OK” is displayed. When abnormality is found, “NG” is dis-
played.

4.  Press the [ENTER] button, return to S-AIR test mode each 

item.

3-1-2. Quality check
This mode is radio wave sensitivity state confi rmation of EZW-
RT10.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select “QUALITY”.

3.  Press the [ENTER] button, the messages “*** ###” is dis-

played on the fl uorescent indicator tube.

 

***: Minimum value (%)

 

###: Mean value (%)

4.  Press the [ENTER] button, return to S-AIR test mode each 

item.

3-1-3. Power setting
This mode is setting of radio wave output of EZW-RT10.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select “POWER”.

3.  Press the [ENTER] button the messages “039 SET” is dis-

played on the fl uorescent indicator tube.

4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select the radio wave output. (OFF or 000 to 063)

5.  Press the [ENTER] button, return to S-AIR test mode each 

item.

3-1-4.  RF CH check
This mode is RF CH used is confi rmed.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select “CHK RFCH”.

3.  Press the [ENTER] button the messages “*** CH#” is dis-

played on the fl uorescent indicator tube.

 

***: ON or OFF

 

#: CH number used

4.  Press the [ENTER] button, return to S-AIR test mode each 

item.

3-1-5.  ENC key change
This mode is setting of code key on/off change of EZW-RT10.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select “ENC KEY”.

3.  Press the [ENTER] button the messages “ON” or “OFF” is 

displayed on the fl uorescent indicator tube.

4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select the “ON” or “OFF”.

5.  Press the [ENTER] button, return to S-AIR test mode menu.

3-1-6. Version check
This mode is S-AIR version of the set connected with AIR-SA15Ti 
is confi rmed.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons to select “VER CHECK”.

3.  Press the [ENTER] button, S-AIR version of the set connected 

with AIR-SA15Ti is displayed on the fl uorescent indicator.

4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-

tons, change the version and date displayed.

5.  Press the [ENTER] button, return to S-AIR test mode each 

item.