Test Mode - Sony HCD-GPX555 Service Manual

[PANEL TEST MODE]
This mode is used to check the fl uorescent indicator tube, LEDs,
keys, [VOLUME / DJ CONTROL] jog, model, destination and
software version.
Procedure:
1. Press [OPTIONS] button and [FOOTBALL] button simultane-
ously and hold 3 seconds.
2. All LEDs and segments in fl uorescent indicator tube are light-
ed up. All RGB LEDs are lighted up in white color.
3. When you want to enter to the software version display mode,
press [+ / ] button.
The model information appears on the fl uorescent indicator
tube.
• "GNX5" is shown for XXX-GPX555.
• "GNX8" is shown for XXX-GPX888.
Press [+ / ] button again to view the destination informa-
tion.
4. During the destination information display, press [+ / ] but-
ton. Each time [+ / ] button is pressed, the fl uorescent indi-
cator tube shows the version of each category software in the
following sequence: SC, MTK, OPU, UI, PF, SYS, CD, CDMA,
CDMB, ST, TA, TM, and return back to model information dis-
play.
5. When [] button is pressed while the version numbers
are being displayed except model and destination, the
date of the software creation appears. When [] button
is pressed again, the display returns to the software ver-
sion display.
6. Press [- / ] button, the key check mode is activated.
7. In the key check mode, the fl uorescent indicator tube displays
"K 0 V0".
• Each time a button is pressed, "K" value increases.
However, once a button has been pressed, it is no
longer taken into account.
• "V" value increases in the manner of 0, 1, 2, 3... if
[VOLUME] knob is turned clockwise, or it decreases
in the manner of 0, 9, 8, 7... if [VOLUME] knob is
turned counterclockwise.
8. When [ENTER] button is pressed after all LEDs and segments
in fl uorescent indicator tube light up, alternate segments in
fl uorescent indicator tube and LEDs would light up, all RGB
LEDs would light up in red color. If you press [ENTER]
button again, another half of alternate segments in fl uorescent
indicator tube and LEDs would light up, all RGB LEDs would
light up in green color. Pressing [ENTER] button again would
cause all segments in fl uorescent indicator tube and LEDs
light up, all RGB LEDs would light up in blue color. Pressing
[ENTER] button again would turn off all segments in fl uores-
cent indicator tube and all LEDs including RGB LEDs.
9. To release from this mode, press the buttons in the same
manner as step 1, or disconnect the power cord.
[USER RESET]
The user reset clears all data including preset data stored in the data
fl ash to initial conditions exclude history mode data.
Procedure:
1. Press [ ] button to turn on the system.
\/1
2. Press [] button and [MOVIE/GAME] button simultaneously
for 3 seconds.
3. "RESET" appears on the fl uorescent indicator tube. After that,
the fl uorescent indicator tube becomes blank for a while, and
the system is reset.
SECTION 3

TEST MODE

[COLD RESET]
The cold reset clears all data including preset data stored in the
data fl ash to initial conditions included history mode data. Execute
this mode when returning the set to the customer.
Procedure:
1. Press [ ] button to turn on the system.
\/1
2. Press [] button and [PAN] button simultaneously for 3
seconds.
3. "COLD RESET" appears on the fl uorescent indicator tube.
After that, the fl uorescent indicator tube becomes blank for a
while, and the system is reset.
[CD TRAY LOCK MODE]
This mode let you lock the disc tray. When this mode is activated,
the disc tray will not open when [OPEN/CLOSE] button is pressed.
The message "LOCKED" will be displayed on the fl uorescent
indicator tube. This mode only applied when there is disc(s) on
the tray.
Procedure:
1. Press [ ] button to turn on the system.
\/1
2. Select CD function.
3. Press [] button and [BASS BAZUCA] button simultaneously
and hold down until "LOCKED" or "UNLOCKED" displayed
on the fl uorescent indicator tube (around 5 seconds).
HCD-GPX555/GPX888
13