Test Mode - Sony HCD-U1BT Service Manual

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COLD RESET
The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning the
set to the customer.
Procedure:
1. Press two buttons of [DSGX] and
2. The fluorescent indicator tube becomes blank momentarily,
then becomes standby states.
COMMON TEST MODE
This mode is used to check operations of Amplifier.
Procedure:
1. Press the button to turn the power on.
@/1
2. Press two buttons of [DSGX] and [VOLUME +] for 5 seconds.
3. When the COMMON test mode is activated, the function
enters "AUDIO IN", "c PLAY/SLEEP" blink on the fluo-
rescent indicator tube.
4. Press the [ENTER] button, next mode is displayed on the
fluorescent indicator tube.
TONE MAX
5. Press the [VOLUME +] button, "VOLUME MAX" is displayed
on the fluorescent indicator tube.
6. Press the [VOLUME --] button, "VOLUME MIN" is displayed
on the fluorescent indicator tube.
7. To release this mode, press the
PANEL TEST MODE
This mode is used to check the fluorescent indicator tube, LED,
TE model, destination, software version and button.
L 13942296513
Procedure:
1. Press the button to turn the power on.
@/1
2. Press three buttons of [SEARCH],
3. Fluorescent indicator tube and each LED is all turned on.
4. When the [DSGX] button is pressed, the screen is switched to
the version number and destination display as shown below.
Whenever the [DSGX] button is pressed, the display mode
advances in the order shown below.
MC t GC t USB t BT t CD t CDD t CDMA
TM T TA T ST T BDB T BDA T CDMB
Display example
U1 CEL
MC 0.15
060421
5. When the [ENTER] button is pressed, the machine enters the
key test mode.
6. When all keys are pressed, "KEY17" is displayed.
7. When the [SEARCH] button, the
are pressed simultaneously, the machine can exit the test mode.
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simultaneously.
@/1
TONE MIN TONE FLAT
button.
@/1
and simultaneously.
Z @/1
U1 CEL
Destination
Model name
MC 0.15
Version
Type
060421
Released date
button and the
Z @/1
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SECTION 4

TEST MODE

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8
CD SHIP MODE
This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the
@/1
2. Press the
CD u
3. Press two buttons of [ENTER] and
4. After the "CD Please wait", "STANDBY" display blinks, "CD
LOCK" is displayed on the fluorescent indicator tube, and the
ship mode is set.
5. To release this mode, press the
CD SHIP MODE & MEMORY CLEAR
This mode is used to perform CD ship mode and cold reset
simultaneously.
Procedure:
1. Press the
@/1
2. Press the
CD u
3. Press three buttons of [DSGX],
4. After the "STANDBY" display blinks, "CD LOCK" is
displayed on the fluorescent indicator tube, and the ship mode
is set.
5. To release this mode, press the
ANTITHEFT LOCK MODE
This mode is used to unable to take sample disc out of disc table in
the shop.
Procedure:
1. Press the
@/1
Q Q
2. Press the
CD u
3 6 7 1 3 1 5
3. Press two buttons of
4. The message "CD LOCKED" is displayed on the fluorescent
indicator tube and the disc slot is locked. (Even if pressing
the button, the message "CD LOCKED" is displayed on
Z
the fluorescent indicator tube and the disc table is locked)
5. To release from this mode, press two buttons of
for 5 seconds.
Z
6. The message "CD UNLOCKED" is displayed on the fluores-
cent indicator tube and the disc table is unlocked.
CD POWER MANAGE
This mode is used to changed over CD power on/off for decreasing
of reception noise in the tuner mode.
Procedure:
1. Press the
@/1
2. Press the
CD u
3. Press the
@/1
4. Press two buttons of
5. The message "CD/CD POWER ON" is displayed on the
fluorescent indicator tube momentarily.
6. Press two buttons of
7. The message "CD/CD POWER OFF" is displayed on the
fluorescent indicator tube momentarily.
buttons
co
.
HCD-U1BT
9 4 2 8
button to turn the power on.
button to select "CD".
simultaneously.
Z
button.
@/1
button to turn the power on.
button to select "CD".
and simultaneously.
Z @/1
button.
@/1
button to turn the power on.
button to select "CD".
0 5 8 2 9 9 4 2 8
and for 5 seconds.
x CANCEL Z
x CANCEL
button to turn the power on.
button to select "CD".
button again to turn the power off.
and simultaneously.
x CANCEL @/1
and simultaneously.
x CANCEL @/1
m
9 9
9 9
and
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