ST-SDB900 - Sony Audio Service Manual (repair manual). Page 5

5

1. Enter test mode, then turn the [TUNING/SELECT] dial to display “FL/KEY TEST”.

2. Press the [ENTER] button. The entire screen lights up.

3. Turning the [TUNING/SELECT] dial displays the dial check screen. When you turn the [TUNING/SELECT] dial left and right, the character

display moves left and right.

4. To check operation of each button, press it and verify that the corresponding display goes out.

[BAND] button ................. “TP” display
[TUNING MODE] button ..... “MONO” display
[DISPLAY] button ..............  “DRC” display
[MENU] button .................  “TUNED” display
[ENTER] button .................  “PRESET” display
[MEMORY] button ..............  “PTY” display

5. Press the [DAB] button on remote control after checking front panel button, “O” and “K” light up on a character display.
6. Turn OFF the power.

1. Enter test mode, then turn the [TUNING/SELECT] dial to display “VERSION”.

2. Press the [ENTER] button. The System Version is displayed.

3. Turn the [TUNING/SELECT] to the right to display the DAB version.

Turn the [TUNING/SELECT] dial to the left to display the System Version.

4. Press the [ENTER] button to return to test mode.

[ FL / KEY TEST ]

Character display

[ VERSION ]

[ VERSION ]

sys   v1.03     4415

Syscon Firmware
Version

Check sum

[ VERSION ]

dev   v1.8 - 3

DAB Module Firmware Version