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What is HCD-DX155?

This electronic component, produced by the manufacturer "Sony", performs the same function as "(HCD-DX155 / HCD-DX255) SUPER AUDIO CD/DVD RECEIVER User Manual".


HCD-DX155 Datasheet PDF - Sony

Part Number HCD-DX155
Description (HCD-DX155 / HCD-DX255) SUPER AUDIO CD/DVD RECEIVER User Manual
Manufacturers Sony 
Logo Sony Logo 


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HCD-DX155/DX255
SERVICE MANUAL
Ver. 1.4 2007.10
US Model
Canadian Model
HCD-DX155/DX255
E Model
Australian Model
HCD-DX155
HCD-DX155/DX255 are the amplifier, DVD/CD
and tuner section in DAV-DX155/DX255.
Photo : HCD-DX255
This system incorporates with Dolby*1 Digital and Dolby Pro Logic (II)
adaptive matrix surround decoder and the DTS*2 Digital Surround
System.
*1 Manufactured under license from Dolby Laboratories.
“Dolby,” “Pro Logic,” and the double-D symbol are trademarks of
Dolby Laboratories.
*2 Manufactured under license from Digital Theater Systems, Inc.
“DTS” and “DTS Digital Surround” are trademarks of Digital
Theater Systems, Inc.
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
HCD-DX150
CDM81C-DVBU101
KHM-310CAB
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
for the US model
DX155
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION
(FTC Output Power): FL/FR/LS/RS/C: 84 W/ch
3 ohm at 170 - 20,000 Hz,
0.7 % THD
SW: 80 W 3 ohm at 40 -
170 Hz, 0.7 % THD
DX255
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION
(FTC Output Power):
FL/FR/LS/RS/C: 84 W/ch
3 ohm at 170 - 20,000 Hz,
0.7 % THD
SW: 160 W 1.5 ohm at 40 -
170 Hz, 0.7 % THD
Amplifier section
DX155
US models:
Surround mode (reference) RMS output power, 10 %
THD
Front: 142 W + 142 W
(with SS-TS52)
Center*: 142 W
(with SS-CT51)
Surround*: 142 W + 142
W
(with SS-TS51)
Subwoofer*: 140 W
(with SS-WS52)
Mexican and other models:
Stereo mode (rated)
108 W + 108 W (3 ohms at
1 kHz, 1 % THD)
Surround mode (reference) RMS output power, 10 %
THD
Front: 142 W + 142 W
(with SS-TS52)
Center*: 142 W
(with SS-CT51)
Surround*: 142 W + 142
W
(with SS-TS51)
Subwoofer*: 140 W
(with SS-WS52)
Latin American models:
Stereo mode (rated)
100 W + 100 W (3 ohms at
1 kHz, 1 % THD)
Surround mode (reference) RMS output power, 10 %
THD
Front: 133 W + 133 W
(with SS-TS52)
Center*: 133 W
(with SS-CT51)
Surround*: 133 W + 133
W
(with SS-TS51)
Subwoofer*: 135 W
(with SS-WS52)
DX255
US models:
Surround mode (reference) RMS output power, 10 %
THD
Front: 143 W + 143 W
(with SS-TS52)
Center*: 143 W
(with SS-CT51)
Surround*: 143 W + 143
W
(with SS-TS51)
Subwoofer*: 285 W
(with SS-WS52B)
— Continued on next page —
SUPER AUDIO CD/DVD RECEIVER
9-887-098-05
2007J16-1
© 2007.10
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation

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HCD-DX155 equivalent
SECTION 1
SERVICING NOTE
HCD-DX155/DX255
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH
1. Open the cover and turn POWER on with no disc inserted.
2. Confirm that the following operation is performed while
observing the objecting lens.
1) Confirm that laser beam is spread.
2) Up and down motion of the objective lens. (3 times)
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 ?/1 button to turn the set on.
2. Press the [FUNCTION] button to set DVD function.
3. Insert a disc.
4. Press the x button and the A button simultaneously for five
seconds.
5. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press the x button and the A button simultaneously for five
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.
Note on MAIN board replacement
New part of EEP ROM (IC1103) on the MAIN board cannot be used.
Therefore, if the mounted MAIN board (A-1151-985-A, etc.) is replaced,
exchange new EEP ROM (IC1103) with that used before the replacement.
Self-diagnosis Function
(When letters/numbers appear in the
display)
When the self-diagnosis function is activated to
prevent the system from malfunctioning, a 5-
character service number (e.g., C 13 50) with a
combination of a letter and 4 digits appears on
the screen and the front panel display. In this
case, check the following table.
C:13:50
First 3
characters of
the service
number
Cause and/or corrective action
C 13 The disc is dirty.
,Clean the disc with a soft cloth
C 31 The disc is not inserted correctly.
,Restart the system, then re-insert
the disc correctly.
E XX
To prevent a malfunction, the
(xx is a number) system has performed the self-
diagnosis function.
,Contact your nearest Sony
dealer or local authorized Sony
service facility and give the 5-
character service number.
Example: E 61 10
When displaying the version
number on the screen
When you turn on the system, the version
number [VER.X.XX] (X is a number) may
appear on the screen. Although this is not a
malfunction and for Sony service use only,
normal system operation will not be possible.
Turn off the system, and then turn on the system
again to operate.
VER.X.XX
5


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Part Details

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Featured Datasheets

Part NumberDescriptionMFRS
HCD-DX155The function is (HCD-DX155 / HCD-DX255) SUPER AUDIO CD/DVD RECEIVER User Manual. SonySony

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