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Model
AIR-SA15TI AIR-SA20PK
Pages
34
Size
2.07 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
air-sa15ti-air-sa20pk.pdf
Date

Sony AIR-SA15TI / AIR-SA20PK Service Manual ▷ View online

AIR-SA15Ti
7
SECTION  4
TEST  MODE
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.
AIR-SA15Ti
8
3-1-7.  DARR setting check
This mode is setting of EZW-RT10 is confi rmed.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “DARR”.
3.  Press the [ENTER] button, main unit connect code is displayed 
on the fl uorescent indicator.
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons, change sub unit connection number, sub unit connect 
code and sub unit address this order, and returns to the main 
unit connect code display.
 
CO ****: main unit connect code
 
MUCNT **: sub unit connectoin number
 
MUCO****: sub unit connect code
 
MUADR **: sub unit address
5.  Press the [ENTER] button, return to S-AIR test mode each 
item.
3-1-8.  Channel mapping change (MODE)
This mode is channel of the main unit is change for the reception 
confi rmation of the sub unit.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “CH MODE”.
3.  Press the [ENTER] button, the messages “SURROUND” or 
“MULTI” is displayed on the fl uorescent indicator tube.
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the “SURROUND” or “MULTI”.
5.  Press the [ENTER] button, return to S-AIR test mode each 
item.
3-1-9.  Channel mapping change (CH1 to CH4)
This mode is channel of the main unit is change for the reception 
confi rmation of the sub unit.  
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “CH 1” (or “CH 2”, “CH 3”, “CH 4”).
3.  Press the [ENTER] button, channel menu displayed.
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select channel mapping.
5.  Press the [ENTER] button, return to S-AIR test mode each 
item.
3-1-10.  Channel pipe setting
This mode is channel pipe is setting.
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “CH 1 PIPE” (or “CH 2 PIPE”, “CH 3 PIPE”, 
“CH 4 PIPE”).
3.  Press the [ENTER] button, the messages “CH* - CH#” is dis-
played on the fl uorescent indicator tube.
 
*: channel number of selected step 2
 
#: number of channel pipe
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select channel pipe setting.
5.  Press the [ENTER] button, return to S-AIR test mode each 
item.
3-1-11.   NAMG  setting
This mode is change of NAMG setting. 
Procedure:
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “NAMG”.
3.  Press the [ENTER] button the messages “*** SET” is dis-
played on the fl uorescent indicator tube.
 
***: 107 to 117
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the NAMG setting value.
5.  Press the [ENTER] button, return to S-AIR test mode each 
item.
 
(This mode setting value is buck up even if it turns off power)
3-1-12. DEMO 
setting
This mode is radio wave does setting change to improve connec-
tion by batch processing in shop etc. when connection does not go 
well badly.
Procedure: 
1.  Enter the S-AIR test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “DEMO”.
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”.
 
ON: batch processing on
 
OFF: batch processing off (default)
5.  Press the [ENTER] button, return to S-AIR test mode each 
item.
4.  S-AIR  RADIO  REGULATION  LOW  TEST (ETSI/FCC)
4-1.  S-AIR radio regulation low test mode
Setting method:
1.  The [POWER] switch is set [ON] to turn the main power on.
2.  While pressing the [BAND] and [ENTER] buttons, press the 
[PAIRING] button.
3.  Entered the S-AIR radio legulation low test mode.
4.  It returns to the S-AIR radio legulation low 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 
[ENTER] buttons, press the [PAIRING] button.
4-1-1.  RF channel setting
This mode is setting of RF channel.
Procedure:
1.  Enter the S-AIR radio legulation low test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “RF CH”.
3.  Press the [ENTER] button the messages “LOW” is displayed 
on the fl uorescent indicator tube.
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the “LOW”, “MID” or “HIGH”.
5.  Press the [ENTER] button, return to S-AIR radio legulation 
low test mode each item.
AIR-SA15Ti
9
4-1-2. Tx/Rx setting
This mode is setting of transmitter/receiver. 
Procedure: 
1.  Enter the S-AIR radio legulation low test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “TX RX”.
3.  Press the [ENTER] button the messages “TX” is displayed on 
the fl uorescent indicator tube.
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the “TX” or “RX”.
5.  Press the [ENTER] button, return to S-AIR radio legulation 
low test mode each item.
4-1-3. Antenna setting
This mode is setting of antenna.
Procedure:
1.  Enter the S-AIR radio legulation low test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “ANTENNA”.
3.  Press the [ENTER] button the messages “T-* R-*” is displayed 
on the fl uorescent indicator tube.
 
*: 1 or 2
4.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the antenna setting.
5.  Press the [ENTER] button, return to S-AIR radio legulation 
low test mode each item.
4-1-4. Power setting
This mode setting the output level of RF.
Procedure:
1.  Enter the S-AIR radio legulation low test mode.
2.  Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “ANTENNA”.
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 output level. (OFF or 000 to 063)
5.  Press the [ENTER] button, return to S-AIR radio legulation 
low test mode each item.
SECTION  5
ELECTRICAL  CHECK
FM  TUNE  LEVEL  CHECK
signal
generator
set
Procedure:
1.  Turn on the set.
2.  Input the following signal from signal generator to FM antenna 
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation 
: 75 kHz
Modulation 
: 1 kHz
ANT input 
: 35 dBu (EMF)
Note: Use 75 ohm coaxial cable to connect signal generator and the set. 
You cannot use video cable for checking.
 
Use signal generator whose output impedance is 75 ohm.
3.  Set to FM tuner function and tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C sig-
nals.
When the selected station signal is received in good condition, 
“TUNED” is displayed.
AIR-SA15Ti
10
MEMO
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