Sony DAV-HDX275 / DAV-HDX277WC / DAV-HDX279W / DAV-HDX475 / DAVHDX576WF / DAV-HDX675 / HCD-HDX275 / HCD-HDX277WC / HCD-HDX279W / HCD-HDX475 / HCD-HDX576WF / HCD-HDX675 Service Manual ▷ View online
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
21
3-18. GEAR (STOCKER 3)
step tapping screw
(PTPWH M2.6)
(PTPWH M2.6)
gear (stocker 3)
gear (stocker 3)
(reverse-side)
rotary encoder
(ST U/D encoder)
PRECAUTION DURING GEAR (STOCKER 3) INSTALLATION
Be sure to align the rib of the gear (stocker 3) with the groove
of the rotary encoder.
groove
rib
rotary encoder (MD)
gear (BU1)
PRECAUTION DURING ROTARY ENCODER (MD) INSTALLATION
cam (BU)
Slide the cam (BU) in the direction of the arrow so that the mark
of the gear (BU1) can be seen. Engage the gears while aligning
the mark of the gear (BU1) with the protruding part of the
rotary encoder.
protruding part
mark
– CD mechanism deck bottom view –
bracket (encoder)
rotary encoder (MD)
(S771)
two claws
Remove the five solders.
three screws
(BTTP
M2.6)
step tapping screw
(2
× 6 PWH)
3-19. ROTARY ENCODER (MD) (S771)
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
22
3-20. GEAR (BU1)
screw
(PWH2.6
(PWH2.6
× 8)
screw
(PWH2.6
(PWH2.6
× 8)
screw
(PWH2.6
(PWH2.6
× 8)
pulley (BU)
gear (BU1)
gear (BU2)
belt (sub tray)
gear (BU2)
cam (BU)
PRECAUTION DURING GEAR (BU2) INSTALLATION
Before re-assembling, slide the cam (BU) in the direction of
the arrow.
Assemble the gear (BU2) in such a manner that the groove
of the cam (BU) is aligned with the rib of the gear (BU2).
rib
groove
– CD mechanism deck bottom view –
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
23
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.
power off, and retry to enter the test mode.
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.
Procedure:
1. Press the [
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.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press three buttons [
s
], [
A
] and [
?
/
1
] simultaneously.
3. When this button is operated, display as “COLD RESET” for
a while and all of the settings are reset.
PANEL TEST MODE
This mode is used to check the software version, FL, LED and
KEY.
1. Display Test Mode
Procedure:
1. Press the [
This mode is used to check the software version, FL, LED and
KEY.
1. Display Test Mode
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press three buttons [
S
], [
l
] and [
A
] simultaneously.
3. When the display test mode is activated, all segments are
turned on.
4. To exit from this mode, press three buttons [
S
], [
l
] and [
A
]
simultaneously.
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 [
l
] button
and “DCR2” is displayed, the version test mode is activated.
2. Whenever the [
l
] button is pressed, the display changes in
order of “DCR2” (model name) → “NA” (destination) → MC
→ SYS → UI → DVD → CDMA → CDMB → ST → TA →
DSP → TM → CLA → CEC → SAIR → “DCR2” (model
name).
→ SYS → UI → DVD → CDMA → CDMB → ST → TA →
DSP → TM → CLA → CEC → SAIR → “DCR2” (model
name).
Note: Model name/destination is different according to model.
3. Press the [
L
] button and the date of the software production
is displayed.
4. Press the [
L
] button again and the version is displayed.
5. To exit from this mode, press three buttons [
S
], [
l
] and [
A
]
simultaneously.
3. 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 [
H
] 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, “K13
V0” is displayed.
increases. However, once a button is pressed, it is no longer
taken into account. When all keys are pressed correctly, “K13
V0” is displayed.
3. When the [VOLUME] dial is turned in the direction of (+),
“V0” is changed to “V1”, then ... “V9”.
When the [VOLUME] dial 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 [
S
], [
l
] and [
A
]
simultaneously.
DISC TRAY LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure:
1. Press the [
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure:
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
3. Insert a disc.
4. Press
the
[
s
] button and the [
A
] button simultaneously for fi ve
seconds.
5. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure:
1. Press the [
1. Press the [
s
] button and the [
A
] button simultaneously for fi ve
seconds again.
2. The message “UNLOCKED” is displayed and the tray is un-
locked.
Note: When “LOCKED” is displayed, the tray lock is not released by
turning power on/off with the [?/1] button.
DVD SHIP MODE
Use this mode when returning the set to the customer after repair.
Procedure:
1. Press the [
Use this mode when returning the set to the customer after repair.
Procedure:
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 [
H
] and [
?
/
1
]
simultaneously.
4. After a message “MECHA LOCK” h “UNPLAG” 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.
AM STEP CHANGE
A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press the [
A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press the [
?
/
1
] button to turn the set ON.
2. Press the [FUNCTION] button to set the function “TUNER
AM”.
3. Press the [
?
/
1
] button to turn the set OFF.
4. Press two buttons [
L
] and [
?
/
1
] simultaneously, and the dis-
play of fl uorescent indicator tube changes to “AM 9k STEP” or
“AM 10k STEP”, and thus the channel step is changed over.
“AM 10k STEP”, and thus the channel step is changed over.
PRODUCT OUT
This mode moves the optical pick-up to the position durable to vi-
bration and clears all data including preset data stored in the RAM
to initial conditions. Use this mode when returning the set to the
customer after repair.
Procedure:
1. Press the [
This mode moves the optical pick-up to the position durable to vi-
bration and clears all data including preset data stored in the RAM
to initial conditions. Use this mode when returning the set to the
customer after repair.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to set the function “DVD”.
3. Remove all discs, and then press three buttons [
3. Remove all discs, and then press three buttons [
L
], [
A
] and
[
?
/
1
] simultaneously.
4. After the “STANDBY” blinking display fi nishes, the message
“MECHA LOCK” h “UNPLAG” is displayed on the fl uo-
rescent indicator tube disconnect the AC power plug, then the
ship mode is set.
ship mode is set.
Ver. 1.1
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
24
AUTOMATIC ACOUSTIC FIELD CALIBRATION MICRO-
PHONE TEST MODE
Procedure:
1. Press the [
PHONE TEST MODE
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Insert ECM-AC2 supplied as an accessory into the AUDIO IN/
A.CAL MIC jack.
3. While pressing the [
S
] and [
A
] buttons simultaneously, turn
the [VOLUME] dial in the direction of (+).
4. Confi rm that the following are shown on the display panel.
1
The JACK inserted/non-inserted detection display and the
STEREO/MONO detection display.
2
Presence of DIGITAL voice input to the microcomputer.
(OK: input, NG: no input)
3
3
The value of the MIC input to the microcomputer. (shouwn
“255h”)
* * *
* *
* * *
1 2 3
1
“NON” : Not detected
“ST” : STEREO
“MN” : MIN
“MN” : MIN
2
OK : input
NG : no input
3
0-255 (Changes in real time)
5. To exit this mode, press two buttons [
S
] and [
A
] simultane-
ously, turn the [VOLUME] dial in the direction of (+).
DEMO PLAY OUT
It is a mode to release the demonstration reproduct by the dedi-
cated demonstration disc.
Procedure:
1. During playback the DEMO disc, press the [
It is a mode to release the demonstration reproduct by the dedi-
cated demonstration disc.
Procedure:
1. During playback the DEMO disc, press the [
s
] and [
H
] but-
tons for fi ve seconds simultaneously.
2. The message “DEMO OFF” is displayed, a mode to reproduct
the demonstration is released.
VOLUME TEST MODE
Procedure:
1. Press the [
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press three buttons [
l
], [
H
] and [
L
] simultaneously.
3. The message “VOLUME MAX” is displayed, when the [VOL-
UME] dial is turned in the direction of (+).
The message “VOLUME MIN” is displayed, when the [VOL-
UME] dial is turned in the direction of (–).
UME] dial is turned in the direction of (–).
4. To exit from this mode, press the [
?
/
1
] button to turn the set
off.
PROTECTION FACTOR (SD DETECTION/DC DETEC-
TION) IDENTIFICATION TEST MODE
When an error is detected, the fl orescent indicator tube alternately
displays
“PROTECTOR” h “PUSH POWER”.
TION) IDENTIFICATION TEST MODE
When an error is detected, the fl orescent indicator tube alternately
displays
“PROTECTOR” h “PUSH POWER”.
Press
the
[
?
/
1
] button.
* Buttons other than the [
?
/
1
] button are invalid.
“STANDBY” blinks three times on the fl orescent indicator tube.
The protection release state (POWER OFF) is established.
(No fl orescent indicator tube display)
Press
(No fl orescent indicator tube display)
Press
the
[
?
/
1
] button twice.
The power to the system turns on, and the normal operation is es-
tablished. (Restore)
tablished. (Restore)
During the protection state:
1. If the AC plug is connected or disconnected during the protec-
1. If the AC plug is connected or disconnected during the protec-
tion state, the protection state is released, and the normal op-
eration is established. (The protection state is not maintained)
eration is established. (The protection state is not maintained)
2. The protection factor is displayed by pressing the [FUNC-
TION], [
A
] and [
L
] buttons at the same time during the
protection state. (during the “PROTECTOR” h “PUSH
POWER” display)
When SD is detected: Repeats
“SD
“SD
DETECT”
h “PROTECTOR”.
When DC is detected: Repeats
“DC
“DC
DETECT”
h “PROTECTOR”.
SD detection:
When the “L” output from the SD (shutdown) port on the
S-MASTER POWER Driver Shutdown and voltage descent
(15V or less) of 30V power supply (PVDD) are detected.
S-MASTER POWER Driver Shutdown and voltage descent
(15V or less) of 30V power supply (PVDD) are detected.
DC detection:
When the “L” output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds continu-
ally, the power system other than that of the fl orescent indica-
tor tube is turned off, and the protection state is established.
circuit (DC detection port) is detected for two seconds continu-
ally, the power system other than that of the fl orescent indica-
tor tube is turned off, and the protection state is established.
Ver. 1.1
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