Test Mode - Sony MHC-V3 Service Manual

COLD RESET
It can clears all data including preset data stored in the memory
to initial conditions. Execute this mode when returning the unit to
the customer.
Procedure:
1. Press the [ ] button to turn the power on.
\/1
2. Press two buttons of the [ENTER] and [u]
simultaneously for three seconds.
3. The message "COLD RST" is displayed on the fl uorescent
indicator tube, then becomes the standby state.
USER RESET
It can clears all data including preset data stored in the memory
to initial conditions (Only the connection history information of
Bluetooth is not initialized).
Procedure:
1. Press the [ ] button to turn the power on.
\/1
2. Press two buttons of the []
ously for three seconds.
3. The message "RESET" is displayed on the fl uorescent
indicator tube, then becomes the standby state.
DISC TRAY LOCK MODE
It can be unable to take sample disc out of disc tray in the shop.
Procedure:
1. Press the [ ] button to turn the power on.
\/1
2. Press the [FUNCTION] button to turn the CD function.
3. Press the [Z] button to open the disc tray and set the CD.
4. Press the [Z] button to close the disc tray.
5. Press two buttons of the []
simultaneously for fi ve seconds.
6. The message "LOCKED" is displayed on the fl uorescent
indicator tube and the disc tray is locked.
(Even if pressing the [Z] button, the message "LOCKED"
is displayed on the liquid crystal display and the disc tray is
locked)
Releasing method:
1. Press two buttons of the []
simultaneously for fi ve seconds.
2. The message "UNLOCKED" is displayed on the fl uorescent
indicator tube and the disc tray is unlocked.
Bluetooth PAIRING HISTORY CLEAR
It can clear the Bluetooth pairing history.
Procedure:
1. Press the [ ] button to turn the power on.
\/1
2. Press the [FUNCTION] button to turn the Bluetooth function.
3. Press two buttons of the []
simultaneously for three seconds.
4. The message "BT HIST" → "CLEAR" is displayed on the
fl uorescent indicator tube, and the pairing history of Bluetooth
is cleared.
SECTION 3

TEST MODE

*1 / [B]
/ [X] and [ENTER] simultane-
*1 *2
*1 / [X] *2 and [REC USB]
/ [X] and [REC USB]
*1 *2
*1 / [X] *2 and [DJ EFFECT]
VERSION DISPLAY
It can confi rm the SC and CD version (V3) / DVD version (V4D).
Procedure:
1. Press the [ ] button to turn the power on.
\/1
2. Press two buttons of the [] and [OPTIONS]
simultaneously for three seconds.
*2 3. The SC and CD version (V3) / DVD version (V4D) is displayed
on the fl uorescent indicator tube, and it returns to the display of
the normal mode.
SC version
CD version
DVD version
V
(Displayed values in the above fi gure are example)
PANEL TEST
It can confi rm the fl uorescent indicator tube, LEDs, model name,
destination, software version and button.
Procedure:
1. Press the [ ] button to turn the power on.
\/1
2. Press two buttons of the [ENTER] and [M L TUNING
+] / [> TUNING +]
*1
3. It enters the panel test mode, and all segments on the fl uorescent
indicator tube and all LEDs light up.
Screen display
c PLAY FLDR SHUF PGM NTSC
SLEEP ST V I D E O P H O T O M U S I C
BASS
NX
4. Each time the [ENTER] button is pressed, the screen display is
changed in order as follows.
c PLAY FLDR SHUF PGM NTSC 1
SLEEP ST V I D E O P H O T O M U S I C
BASS NX REC
c PLAY FLDR
SHUF PGM NTSC 1
SLEEP ST V I D E O P H O T O M U S I C
BASS
NX REC
c PLAY FLDR SHUF PGM NTSC 1
SLEEP ST V I D E O P H O T O M U S I C
BASS NX REC
c PLAY FLDR SHUF PGM NTSC 1
SLEEP ST V I D E O P H O T O M U S I C
BASS NX REC
Note: *1 V3 model
*2 V4D model
MHC-V3/V4D
or
simultaneously for three seconds.
*2
1
REC
All segments,
Bluetooth LED and
speaker LED turn on.
Test pattern 1
Bluetooth LED turn on.
Test pattern 2
Speaker LED turn on.
All segments,
Bluetooth LED and
speaker LED turn on.
All segments,
Bluetooth LED and
speaker LED turn off.
Ver. 1.1
*1 / [X] *2
25