Sony MHC-V5, Service Manual

Page: 35 / 102

MHC-V5
35
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 this unit
to the customer.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] and [PAN] simultaneously for
three seconds.
3. The message “COLD RESET” is displayed on the fl uorescent
indicator tube, then becomes the standby state.
Screen display
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 [
x
] and [BASS BAZUCA] simultane-
ously for three seconds.
3. The message “RESET” is displayed on the fl uorescent indica-
tor tube, then becomes the standby state.
Screen display
AM TUNER STEP CHANGE
It can change AM step interval into 9 kHz or 10 kHz.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to turn the AM function.
3. Press the [
?/1
] button to turn the power off.
4. Press two buttons of the [
,
M >
] and [
?/1
]
simultaneously.
5. The message “9K STEP” or “10K STEP” is displayed on the
fl uorescent indicator tube, and AM step interval changed.
Screen display
or
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 [
x
] and [ENTER] simultaneously for
fi ve seconds.
6. The message “LOCKED” is displayed on the fl uorescent indi-
cator 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)
Screen display
Releasing method:
1. Press two buttons of the [
x
] and [ENTER] 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 [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to turn the Bluetooth function.
3. Press two buttons of the [
x
] and [FLANGER] simultaneously
for three seconds.
4. The message “BT HISTORY”
→
“CLEAR” is displayed on
the fl uorescent indicator tube, and the pairing history of Blue-
tooth is cleared.
Screen display