DHC-MD373, HCD-MD373 - Sony Audio Service Manual (repair manual). Page 8

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• The cold reset clears all data inculuding preset data stored in the RAM to initial conditions. Execute this mode when returning  the set to the

customer.

Procedure 1: (recommended)
Press the  RESET  button on the back panel.
Procedure 2:
1. When the power ON, press the  

1/u  button while pressing the  PLAY MODE/TUNING MODE  button and  p (CD) buttons together.

2. “COLD RESET” is displayed on the fluorescent indicator tube and reset is executed.

• This mode reset the preset data kept in the memory. The hot reset mode functions same as if the power cord is plugged in and out.

Procedure :
1. When the power ON, press the  

1/u  button while pressing the  PLAY MODE/TUNING MODE  button and  ^ (CD) buttons together.

2. Turn off the unit and reset is executed.

Procedure :
1. When the power ON, press the  

1/u  button while pressing the  PLAY MODE/TUNING MODE  button and  6 (CD) buttons together.

2. LEDs and fluorescent indicator tube are all turned on.
3. Press  

^ (MD)  button to turn set on.

4. In the key check mode, the fluorescent indicator tube displays “Key 0 Vol 0”. Each time a button is pressed, “Key” value increases.

However, once a button is pressed, it is no longer taken into account.
“Vol” Value increases like “1, 2, 3 ...” if rotating  VOLUME  knob in the clockwise direction, or decreases like “0, 9, 8 ...” if rotating in the
counterclockwise diretion.

5. To exit from this mode, press three buttons in the same procedure as step 1, or disconnect the power cord.
Note:
Press the  

=0/MD/CD/TUNING–  button or  )+/MD/CD/TUNING+  button for more than 1 second.

• A step of AM channels can be changed over between 9kHz and 10kHz.
1. Press  

1/u  button to turn set on.

2. Select the function “TUNER”, and press  TUNER/BAND  button to select the BAND “AM”.
3. Press  

1/u  button to turn on the set OFF.

4. When the power OFF, press  

1/u  button while pressing the  PLAY MODE/TUNING MODE  button.

The display of fluorescent indicator tube changes to “AM 9k STEP” or “AM 10k STEP”, and thus the channel step is changed over.

• This unit displays CD text.

Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case.
In some cases, some special characters will not be displayed and may be replaced by other characters. Donot suspect a fault in this case.