Sony DAV-DZ280 / DAV-DZ680 / DAV-HDZ284 / DAV-HDZ485 / HCD-DZ280 / HCD-DZ680 / HCD-HDZ284 / HCD-HDZ485 Service Manual ▷ View online
HCD-DZ280/DZ680/HDZ284/HDZ485
21
3-9. TRAY
3-10. BELT
two claws
tray
Move the chuck cam
in the direction of the arrow.
bottom side
two claws
belt
chuck cam
HCD-DZ280/DZ680/HDZ284/HDZ485
22
3-11. MS-203 BOARD
3-12. BASE UNIT
three claws
MS-203 board
DC motor
screw
(M
(M
1.7
× 2.5)
two claws
two claws
chuck cam
base unit
HCD-DZ280/DZ680/HDZ284/HDZ485
23
3-13. OPTICAL PICK-UP
FFC holder
two insulator screws
two insulator screws
two insulators
two insulators
optical pick-up
(KHM-313CAA)
(KHM-313CAA)
two claws
HCD-DZ280/DZ680/HDZ284/HDZ485
24
SECTION 4
TEST MODE
Note: Incorrect operations may be performed if the test mode is not
entered properly.
In this case, press the [?/1] button to turn the power off, and
retry to enter the test mode.
retry to enter the test mode.
1. 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 customers.
returning the set to the customers.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn the power on.
2. Press three buttons [
x
], [
N
] and [
?/1
] simultaneously.
3. When this button is operated, display as “COLD RESET” for
a while and all of the settings are reset.
2. Panel Test Mode
• This mode is used to check the software version, FL and
KEY.
2-1. Display Test Mode
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press three buttons [
x
], [
.
] and [FUNCTION] simultane-
ously.
3. When the display test mode is activated, all segments are turned
on. When the mode in, lamps of “MOVIE”, “MUSIC” and
“i-ENHANCER” are turn off.
“i-ENHANCER” are turn off.
4. To exit from this mode, press three buttons [
x
], [
.
] and
[FUNCTION] simultaneously.
2-2. Version Test Mode
Procedure:
1. When the display test mode is activated, press the [
Procedure:
1. When the display test mode is activated, press the [
.
] button
and the message “DSY2E” (DZ280), “DSY6E” (DZ680),
“DSY2N” (HDZ284), “DSY4N” (HDZ485) are displayed, the
version test mode is activated.
“DSY2N” (HDZ284), “DSY4N” (HDZ485) are displayed, the
version test mode is activated.
2. Whenever the [
.
] button is pressed, the display changes in
the following order.
“DSY4N” (Model name) U“NA
*1
” (Destination) UMC Version
*1: NA changes depending on destination.
3. Press the [
>
] button and the date of the software production
is displayed.
4. Press the [
>
] button again and the version is displayed.
5. To exit from this mode, press three buttons [
x
], [
.
] and
[FUNCTION] simultaneously.
2-3. FL Pattern Test Mode
Procedure:
1. When the display test mode is activated, press the [
Procedure:
1. When the display test mode is activated, press the [
x
] button,
to select the FL pattern test mode. When the FL pattern test
mode, half segments of FL display and lamps of “MOVIE”,
“i-ENHANCER” are turn on.
mode, half segments of FL display and lamps of “MOVIE”,
“i-ENHANCER” are turn on.
2. Press the [
x
] button, half segments of FL display and lamp of
“MUSIC” is turn on.
3. Next press the [
x
] button, all segments of FL display is turn
on.
4. To exit from this mode, press three buttons [
x
], [
.
] and
[FUNCTION] simultaneously.
2-4. Key Test Mode
Procedure:
1. When the display test mode is activated, press the [
Procedure:
1. When the display test mode is activated, press the [
N
] button,
to select the key test mode.
2. To enter the KEY test mode, the fl uorescent indicator displays
“K0 V0”. Each time an another button is pressed, “KEY” value
increases. However, once a button is pressed, it is no longer
taken into account. When all keys are pressed correctly, “K9
V0” is displayed.
increases. However, once a button is pressed, it is no longer
taken into account. When all keys are pressed correctly, “K9
V0” is displayed.
3. When the [VOLUME] control is turned in the direction of (+),
“V0” is changed to “V1”, then ... “V9”.
When the [VOLUME] control is turned in the direction of (–),
“V0” is changed to “V9”, then ... “V1”.
“V0” is changed to “V9”, then ... “V1”.
4. To exit from this mode, press three buttons [
x
], [
.
] and
[FUNCTION] simultaneously.
3. Disc Tray Lock
• The disc tray lock function for the antitheft of an demonstra-
tion disc in the store is equipped.
Setting Procedure :
1. Press the [
1. Press the [
?/1
] button to turn the set on.
2. Press the [FUNCTION] button to set DVD function.
3. Insert a disc.
4. Press the [
3. Insert a disc.
4. Press the [
x
] button and the [
Z
] button simultaneously for fi ve
seconds.
5. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press the [
Releasing Procedure :
1. Press the [
x
] button and the [
Z
] button simultaneously for fi ve
seconds again.
2. The message “UNLOCKED” is displayed and the tray is
unlocked.
Note: When “LOCKED” is displayed, the tray lock is not released by
turning power on/off with the [?/1] button.
4. DVD Ship Mode
• Use this mode when returning the set to the customer after
repair.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn the set on.
2. Press the [FUNCTION] button to set the function “DVD”.
3. Remove all discs, and then press two buttons [
3. Remove all discs, and then press two buttons [
N
] and [
?/1
]
simultaneously.
4. After a message “MECHA LOCK” h “UNPLUG” is dis-
played on the fl uorescent indicator tube, pull out the AC plug.
5. To exit from this mode, press the [
?/1
] button to turn the set
on.
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