Test Mode - Sony MHC-V44D Service Manual

[PANEL TEST MODE]
This mode is used to check the screen display panel, LEDs,
keys, [VOLUME/DJ CONTROL] jog, model, destination and
software version.
Procedure:
1. Press [ 1 ] to turn on the system.
2. Press [ ] button and [
ously and hold 3 seconds.
3. All LEDs and segments in screen display panel are lighted up.
4. When [ENTER] button is pressed after all LEDs and segments
in screen display panel light up, alternate segments in screen
display panel and LEDs would light up. If you press [ENTER]
button again, another half of alternate segments in screen
display panel and LEDs would light up, all Party Light LEDs
would light up in green color. Pressing [ENTER] button again
would cause all segments in screen display panel and LEDs
light up, all Party Light LEDs would light up in blue color.
Pressing [ENTER] button again would turn off all segments in
screen display panel and all LEDs including Party Light LEDs.
5. When you want to enter to the software version display mode,
press [ +] button.
The model information appears on the screen display panel.
Press [ +] button again to view the destination
information.
6. During the destination information display, press [
button. Each time [
display panel shows the version of each category software in
the following sequence: SC, MTK, OPU, UI, PF, SUB, SYS,
CD, CMA, CMB, ST, TA, TM, CEC and return back to model
information display.
7. 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 version display.
8. Press [ - ] button, the key check mode is activated.
9. In the key check mode, the screen display panel 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. After all the buttons have been pressed, "K" value
will toggle between "OK" and "K26".
"V" value increases in the manner of 0, 1, 2, 3 ... if [VOLUME/
DJ CONTROL] knob is turned clockwise, or it decreases in the
manner of 0, 9, 8, 7 ... if [VOLUME/DJ CONTROL] knob is
turned counterclockwise.
10. To release from this mode, press the buttons in the same
manner as step 2, 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 [ 1 ] button to turn on the system.
2. Press [ENTER] button and [
multaneously for 3 seconds.
3. "RESET" appears on the screen display panel. After that, the
screen display panel becomes blank for a while, and the system
goes to demo mode.
SECTION 3

TEST MODE

TUNING - .] button simultane-
+] button is pressed, the screen
TUNING + >] button si-
[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 [ 1 ] button to turn on the system.
2. Press [ ] button and [
simultaneously for 3 seconds.
3. "COLD RST" appears on the screen display panel. After
that, the screen display panel will display "SONY". The set
will automatically Power ON and Power OFF again, and the
system is reset.
[DISC THEFT PREVENTION]
This mode let you lock the disc tray. When this mode is activated,
the disc tray will not open when [Z] button is pressed. The mes-
sage "LOCKED" will be displayed on the screen display panel.
This mode only applied when there is disc on the tray.
Procedure:
1. Press [ ] button to turn on the system.
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2. Press [FUNCTION] button to turn the DVD/CD function.
3. Press [ENTER] button and [VOCAL FADER] button
simultaneously and hold down until "LOCKED" or
"UNLOCKED" displayed on the screen display panel (around
+] 3 seconds).
Bluetooth PAIRING HISTORY CLEAR
It can clear the Bluetooth pairing history.
Procedure:
1. Press [ 1 ] button to turn on the system.
2. Press [FUNCTION] button to turn the Bluetooth function.
3. Press two buttons of [ENTER] and [
for 3 seconds.
4. The message "BT HIST" → "CLEAR" is displayed on the
screen display panel, and the pairing history of Bluetooth is
cleared.
DEMO MODE
The demo mode can be performed.
(This mode is used by shop front)
Procedure:
1. Press [ ] button to turn on the system.
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2. Press two buttons of the [ ] and [MIC ECHO]
simultaneously for 5 seconds.
3. The message "AutoPLAY" is displayed on the screen display
panel .
TUNING + >] or [
4. Press [
either AutoPLAY or AutoSTOP in Demo mode, then press
[ENTER] to make selection.
TUNING + >] or [
5. Press [
reset timer setting, then press [ENTER] to make selection.
6. Set will power off and power on, after that it will mode into
Demo mode.
7. The message "* DEMO *" is displayed on the screen display
panel.
To release from Demo Mode
1. Press two buttons of the [ ] and [MIC ECHO] simultaneously
for 5 seconds or perform the "USER RESET".
Note: The demo mode does not release by unplug the AC cord.
MHC-V44D
TUNING + >] button
- ] simultaneously
TUNING - .] to select
TUNING - .] to select
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