Sony service manual HCD-C5 Section Test Mode

Models: HCD-C5

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HCD-C5

SECTION 4

TEST MODE

[Factory Preset Mode]

This mode clears all data including preset data stored in the RAM to initial conditions. Excute this mode when returning the set to the customer.

Procedure:

1.Press the ?/1 button to turn the power on.

2.Press the FUNCTION z button to set the CD function. (except the TUNER function)

3.Press three buttons VOL + , CD Z and MD Z simultaneously.

4.The message “COLD RESET” blinks and the present contents are reset to the default values.

[Version and Destination Display Mode]

The version or destination is displayed.

Procedure:

1.Press the ?/1 button to turn the power on.

2.To enter the test mode, press the three buttons VOL + , x and MD Z simultaneously.

3.The model and destination are displayed.

4.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

5.The version is displayed as “STR/CD V . ”.

6.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

7.The version is displayed as “MD V . ”.

8.Press the REC/REC IT/NORMAL and u buttons simul- taneously, then the mode returns to step 3.

9.To exit from this mode, press the ?/1 button to turn the power off.

[FL Tube Test Mode]

All fluorecent segments and LEDs are tested.

Procedure:

1.Press the ?/1 button to turn the power on.

2.To enter the test mode, press three buttons VOL + , x and

./m TUNING - simultaneously.

3.All segments and LEDs are turned on.

4.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

5.All segments are turned off (All LEDs still lit).

6.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

7.Almost half segments are turned on. (PATTERN 1)

8.Press the REC/REC IT/NORMAL and u buttons simul- taneously.

9.The segments which are turned on in step 7 are turned off, then remaining segments are turned on. (PATTERN 2)

10.Press the REC/REC IT/NORMAL and u buttons simul- taneously, the mode returms to step 3 and all segments are turned on.

11.To exit from this mode, press the ?/1 button to turn the power off.

[Key Test Mode]

Keyboard check.

Procedure:

1.Press the ?/1 button to turn the power on.

2.To enter the test mode, press three buttons VOL + , x and >/M TUNING + simultaneously.

3.In the key test mode, the fluorecent indicator displays “KEY00”.

4.Each time a button is pressed, “KEY ” value increases. However, once a button is pressed, it is no longer taken into account.

5.To exit from this mode, press three buttons simultaneously as step 2 , or disconnect the power cord.

[Amp Test Mode]

Procedure:

1.Press the ?/1 button to turn the power on.

2.Press three buttons VOL - , CD Z and MD Z simulta- neously.

3.Press two buttons REC/REC IT/NORMAL and x simulta- neously.

4.The message “7 [TESTMIN]” is displayed for a few seconds.

5.Press two buttons REC/REC IT/NORMAL and x simulta- neously again.

6.Each time two buttons are depressed, the display changes as “8 [TESTMID]” , “9 [TESTMAX]”, and “10 [TESTSUR]” .

7.Press the VOL + button, the display changes “VOLUME 21” to “VOLUME MAX”.

8.Press the VOL - button, the display changes “VOLUME 21” to “VOLUME MIN”.

9.To exit from this mode, press the ?/1 button to turn the power off and cold reset is executed.

[CD Test Mode]

The CD system versions are displayed.

Procedure:

1.Press the ?/1 button to turn the power on.

2.Press the FUNCTION z button to set the CD function.

3.Press three buttons of VOL + , x and CD SYNC HIGH simultaneusly.

4.The message “dut CD VER” is displayed.

5.Press the CD Z button and the version “CD . ” is dis- played.

6.Press the >/M TUNING + button and “CDSYS ” is displayed.

7.Each time the >/M TUNING + button is depressed , the display changes as “CDMA S”, “CDBD O”, “CDCD M”.

8.By depressing the ./m TUNING - button the versions are displayed in reverse.

9.To exit this mode, press the ?/1 button to turn the power off.

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Sony service manual HCD-C5 Section Test Mode