AIR-SA17TI - Sony Audio Service Manual (repair manual). Page 7

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AIR-SA17Ti
AIR-SA17Ti
7
7
3-1-6.  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 “CH1 PIPE” (or “CH2 PIPE”, “CH3 PIPE”, 
“CH4 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.
3-1-7.   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 or AUTO
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)
3-1-8. 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.  COLD  RESET
Procedure:
1.  The [POWER] switch is set [ON] to turn the main power on.
2.  Press the [SYSTEM MENU] button, and press the [TUNING/
SELECT +] button to select “RESET”.
3.  Press the [ENTER] button twice.
4.  The cold reset is executed.
SECTION  4
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 signals.
When the selected station signal is received in good condition, 
“TUNED” is displayed.
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