STR-DA1500ES - Sony Audio Service Manual (repair manual). Page 13

SIRIUS FACTORY TEST MODE
* Mode to confi rm operation of SIRIUS.  Doing display of ID 

of SIRIUS antenna and output of audio signal that SIRIUS 
antenna generates, it is confi rmed that there are no problems in 
the communication of the SIRIUS antenna and the transmission 
of the audio signal.

* Procedure:
1.  The SIRIUS antenna was connected, while pressing the [FM 

MODE] and [DISPLAY] buttons, press the [

?/1

] button to 

turn on the main power.

2.  Whenever the [DISPLAY] button is pressed, the output of the 

audio signal of 1 kHz L/R, 20 Hz L/R, 10 kHz L/R, noise L, 
noise R and stop tone are switched.

INITIALIZE MODE
* All preset contents are cleared when this mode is activated. 

Use this mode before returning the product to clients upon 
completion of repair.

* Procedure:
1.  While pressing the [SPEAKER A/B/A+B] and [SLEEP] 

buttons press the [

?/1

] button to turn on the main power.

2.  The message “CLEARING” appears and the memories are 

reset to the default values.

3.  When done, the message “CLEARED” appears.

DMPORT MODE
* All preset contents are cleared when this mode is activated. 

Use this mode before returning the product to clients upon 
completion of repair.

* Procedure:
1.  Connect the DMPORT check jig (P/N: J-2501-309-A) with 

the DMPORT Jack (CN8003) on the MICON board.

2.  While pressing the [MEMORY/ENTER] and [TONE ON/

OFF] buttons, press the [

?/1

] button to turn on the main 

power.

3.  The message “DMPORT T.” and “DMPORT OK” appears on 

the fl uorescent indicator tube and enter the digital media port 
test mode. (Confi rmation of communication line). When “
NO DETECT”, “UART NG” and “UART TO” are displayed 
on the fl uorescent indicator tube, confi rm the connection 
of the DMPORT check jig, and enter the mode again. Each 
time the [>] button on the remote commander is pressed, 
the connect check and adaptor version check are switched. 
Press the [.] button on the remote commander, connected 
confi rmation of the DMPORT check jig is done again.

4.  To a pinjack of the DMPORT check jig input information 

relevant to audio signal (sine-wave 1.0V rms) and composite 
video signal (white 100% 1.0Vp-p, color bar, etc).

5. Confi rm the output of speakers and monitor TV. (Confi rmation 

of analog signal).

6.  To release from this mode, press the [x] button on the remote 

commander.

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:
Please use 75 ohm “coaxial cable” to connect SG and the set. You 
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.

3.  Set to FM tuner function and scan the input FM signal with 

automatic scanning.

4. Confi rm that input Frequency of A, B and C are detected and 

automatic scanning stops.

The stop of automatic scanning means “The station signal is 
received in good condition.”