HT-SF100, HT-SS100, STR-KS100 - Sony Audio Service Manual (repair manual). Page 9

STR-KS100

1.  COLD  RESET
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.  Press the [

?/1

] button on the set to turn the power on.

2.  Keeps pressing the [

?/1

] button on the set for about fi ve sec-

onds.

3.  The message “CLEARED” appears, then the set turns off.

Note: The operation of the button of the following test modes is only a 

remote commander.

Procedure:
1.  Press the [

?/1

] button to turn the power on.

2.  Press the buttons in order of [DMPORT] 

→ [RETURN] → 

[ENTER] 

→ [0] → [1] → [0] → [SOUND FIELD] 

3.  The message “TEST” appears, then enter the test menu.
4.  Press the [

?/1

] button to exit from the test mode.

3.  PANEL  TEST
3-1. Pattern check
Procedure:
1.  Enter the test mode menu.
2.  Press the [

↑]/[↓] buttons to select “PANEL”, and press the 

[ENTER] button.

3.  All segments and all LEDs turn on. Change as follows all on, 

test pattern 1, test pattern 2, all on in this order.

3-2. Key check
Procedure:
1.  Press the [VOLUME –] button, while executing pattern 

check.

2.  The message “K0 V0” appears. “K0” value increases when-

ever a button on the set is pressed. However, once a button has 
been pressed, it is no longer taken into account. All buttons on 
the set is pressed, “OK” and “K2” are alternately displayed.

3.  “V” value increases in the manner of 0, 1, 2, 3 ... [MASTER 

VOLUME] knob is turned clockwise, or it decreases in the 
manner of 0, 9, 8, 7 ... [MASTER VOLUME] knob is turned 
counterclockwise.

4.  Press the [

?/1

] button to exit from the test mode.

3-3.  Software version and destination display
Procedure:
1.  Press the [VOLUME +] button, while executing pattern 

check.

2.  The display of model name, destination, and software version 

changes whenever [VOLUME +] button is pressed.

3.  Press the [

?/1

] button to exit from the test mode.

4.  AMP  TEST
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

5.  TUNER  FACTORY  PRESET
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

 
6.  VACS  DISPLAY
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

7.  VACS  ON/OFF
Procedure:
1.  Enter the test mode menu.
2. Press 

the 

[

↑]/[↓] buttons to select “VCS CTRL”, and press the 

[ENTER] button.

3.  VACS ON/OFF changes whenever this mode is decided. 

(There is no change in the display)

8.  DSP  HALT  MODE
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

9.  DSP  STATUS  DISPLAY
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

10. HDMI  UCOM  UPDATE
Procedure:
1.  Enter the test mode menu.
2. Press 

the 

[

↑]/[↓] buttons to select “HDMI VER”, and press the 

[ENTER] button.

3.  HDMI microprocessor software version is displayed.
4.  Press the [

?/1

] button to exit from the test mode.

11. DMPORT  TEST
Procedure:
1.  Connect the DMPORT check jig (Part No. J-2501-309-A) with 

the DMPORT jack (CN1701) on the MAIN board.

2.  Press the [

?/1

] button to turn the power on.

3. Confi rm that both LEDs of the DMPORT check jig lights. 

(Confi rmation the power supply line)

4.  Press the [DMPORT] button to select the “DMPORT”.
5.  Enter the test mode menu.
6.  Press the [

↑]/[↓] buttons to select the “DMP CHK”, and press 

the [ENTER] button.

7.  The message “DMPORTOK.” appears on the fl uorescent indi-

cator tube and enter the digital media port test mode. (Confi r-
mation of communication line)

 

When “NO DET” and “UART TO” are displayed on the fl uo-
rescent indicator tube, confi rm the connection of the DMPORT 
check jig, and enter the mode again.

 

Each time the [

>

] button is pressed, the connect check and 

adaptor version check are changed.

  Press the [

.

] button, connected confi rmation  of  the 

DMPORT check jig is done again.

8.  To a pin-jack of the DMPORT check jig input information rel-

evant to audio signal (sine-wave 1.0 Vrms).

9. Confi rm the output of speakers. (Confi rmation of analog sig-

nal)

10. Press the [

?/1

] button to exit from the test mode.

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 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.

When the station signal is received in good condition, automatic 
scanning stops.

Note: It connects with the iPod adaptor and it is necessary to repair hard-

ness to execute this mode. 

Procedure:
1.  Connect the DMPORT check jig (Part No. J-2501-309-A) with 

the DMPORT jack (CN1701) on the MAIN board.

2.  Enter the test mode menu.
3.  Press the [

↑]/[↓] buttons to select “DMP DEV”, and press the 

[ENTER] button.

4.  LED on the jig lights.
5.  Press the [

?/1

] button to exit from the test mode.

13. S-AIR  TEST  MODE
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

14. S-AIR  TEST  ELEC  MODE
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

15. UART  FLASH  (SOURCE)
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

16. UART  FLASH  (TARGET)
Not used for the servicing.
Press the [

?/1

] button if having entered this mode.

17. COLD  RESET
Procedure:
1.  Enter the test mode menu.
2.  Press the [

↑]/[↓] buttons to select “COLD RST”, and press the 

[ENTER] button.

3.  The message “CLEARED” appears, then the set turns off.