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Sony MHC-V4D Service Manual

Sony MHC-V4D
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MHC-V3/V4D
25
SECTION 3
TEST MODE
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 [
\/1] button to turn the power on.
2. Press two buttons of the [ENTER] and [u]
*1
/ [B]
*2
simultaneously for three seconds.
3. The message “COLD RST” is displayed on the 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 [\/1] button to turn the power on.
2. Press two buttons of the []
*1
/ [X]
*2
and [ENTER] simultane-
ously for three seconds.
3. The message “RESET” is displayed on the 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 [\/1] button to turn the power on.
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 []
*1
/ [X]
*2
and [REC USB]
simultaneously for ve seconds.
6. The message “LOCKED” is displayed on the 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 []
*1
/ [X]
*2
and [REC USB]
simultaneously for ve seconds.
2. The message “UNLOCKED” is displayed on the uorescent
indicator tube and the disc tray is unlocked.
Bluetooth PAIRING HISTORY CLEAR
It can clear the Bluetooth pairing history.
Procedure:
1. Press the [\/1] button to turn the power on.
2. Press the [FUNCTION] button to turn the Bluetooth function.
3. Press two buttons of the []
*1
/ [X]
*2
and [DJ EFFECT]
simultaneously for three seconds.
4. The message “BT HIST” “CLEAR” is displayed on the
uorescent indicator tube, and the pairing history of Bluetooth
is cleared.
Ver. 1.1
Note:
*1
V3 model
*2
V4D model
VERSION DISPLAY
It can con rm the SC and CD version (V3) / DVD version (V4D).
Procedure:
1. Press the [
\/1] button to turn the power on.
2. Press two buttons of the [] and [OPTIONS]
*1
/ [X]
*2
simultaneously for three seconds.
3. The SC and CD version (V3) / DVD version (V4D) is displayed
on the uorescent indicator tube, and it returns to the display of
the normal mode.
(Displayed values in the above gure are example)
PANEL TEST
It can con rm the uorescent indicator tube, LEDs, model name,
destination, software version and button.
Procedure:
1. Press the [
\/1] button to turn the power on.
2. Press two buttons of the [ENTER] and
[M
L
TUNING
+]
*1
/ [>
TUNING +]
*2
simultaneously for three seconds.
3. It enters the panel test mode, and all segments on the uorescent
indicator tube and all LEDs light up.
Screen display
NX
c PLAY FLDR SHUF PGM NTSC
SLEEP ST VIDEO PHOTO MUSIC
1
BASS
REC
4. Each time the [ENTER] button is pressed, the screen display is
changed in order as follows.
All segments,
Bluetooth LED and
speaker LED turn on.
Test pattern 1
Bluetooth LED turn on.
Test pattern 2
Speaker LED turn on.
NX
c PLAY FLDR SHUF PGM NTSC
SLEEP ST VIDEO PH OTO MUS IC
1
BASS
REC
NX
c PLAY FLDR SHUF PGM NTSC
SLEEP ST VIDEO PH OTO MUS IC
1
BASS
REC
NX
c PLAY FLDR SHUF PGM NTSC
SLEEP ST VIDEO PHOTO MUSIC
1
BASS
REC
NX
c PLAY FLDR SHUF PGM NTSC
SLEEP ST VIDEO PHOTO MUSIC
1
BASS
REC
All segments,
Bluetooth LED and
speaker LED turn on.
All segments,
Bluetooth LED and
speaker LED turn off.
V
SC version
CD version
DVD version or

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Sony MHC-V4D Specifications

General IconGeneral
TypeHome audio mini system
Cassette deckNo
Product colorBlack
Optical disc playerYes
Number of optical discs1 discs
Bass reflex-
Speaker type3-way
RMS rated power720 W
Woofer diameter200 mm
Tweeter diameter40 mm
Number of speakers5
Mid-range driver diameter100 mm
Equalizer modesCustom, Pop, Flat, Rap, Rock
FM band range87.5 - 108 MHz
Supported radio bandsFM
Power sourceAC
Input voltage120-240 V
Input frequency50 - 60 Hz
Composite video out1
Apple docking compatibilityNot supported
On Screen Display (OSD) languagesEnglish
Playback modesProgram, Shuffle, Repeat, Normal
Audio formats supportedWMA, MP3
Display typeLCD
Weight and Dimensions IconWeight and Dimensions
Depth295 mm
Width280 mm
Height780 mm

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