STR-DA4ES, STR-DA7ES, STR-VA333ES - Sony Audio Service Manual (repair manual). Page 11

11

All fluorescent segments are tested.  When this test is activated, all
segments turn on at the same time, then each segment turns on one
after another.
Procedure:
1. While depressing, the [DISPLAY] and the [ENTER] buttons si-

multaneously, press the power  `/1  button to turn on the main
power.

2. All segments turn on at the same time, then each segment turns

on press the [DIMMER] button.

All preset contents are reset to the default setting.
Procedure:
Procedure:
1. While pressing [SET UP] and [DIMMER] buttons, press  `/1
     button, then “TUNER FACTORY PRESET” is displayed in
     several seconds and PRESET is complete.

Procedure:
1. Press  `/1  button continuously, then “ENTER to Clear ALL” is
    displayed and press [ENTER] the preset data are cleared.”

The preset sound field is cleared when this mode is activated.  Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While depressing the [MODE +] button, press the power `/1

button to turn on the main power.  The message S.F Initialize
appears and initialization is performed.

Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Set the FUNCTION to AM.  Turn off the main power.
2. While depressing the [TUNING +] button press the power  `/1

button to turn on the main power.

3. Either the message AM 9kHz Step or AM 10kHz Step appears.

Select the desired step.

Procedure:
1. While pressing [SURR] and [ENTER] buttons, press  `/1

button, then “MENU SPECIALIZED!” is displayed in several
seconds.

2. Press [>] button, then “D7ES U_CA VX.XX...” is displayed in

several seconds.