Sony HCD-DZ20 User manual

SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by SonyTechno Create Corporation
AEP Model
UK Model
E Model
DVD RECEIVER
9-887-568-03
2007F16-1
© 2007.06
Ver. 1.2 2007.06
HCD-DZ20
HCD-DZ20 is the amplifier, DVD/CD and
tuner section in DAV-DZ20.
SPECIFICATIONS
Model Name Using Similar Mechanism HCD-DZ230
Mechanism Type CDM85-DVBU102
Optical Pick-up Name KHM-313CAA
Thissystem incorporateswith Dolby*Digital andDolby ProLogic (II)adaptive
matrix surround decoder and the DTS** Digital Surround System.
*Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are trademarks of Dolby
Laboratories.
** Manufactured under license from DTS, Inc.
“DTS” and “DTS Digital Surround” are registered trademarks of DTS, Inc.
Amplifier section
Stereo mode (rated) 50 W + 50 W (at 3 ohms,
1 kHz, 1 % THD)
Surround mode (reference) RMS output power
FL/FR/C/SL/SR*: 67 watts
(per channel at 3 ohms,
1 kHz, 10 % THD)
Subwoofer*: 65 watts (at 3
ohms, 80 Hz, 10 % THD)
*Depending on the sound field settings and the source,
there may be no sound output.
Inputs (Analog)
TV (AUDIO IN)(AEP, UK models)
Sensitivity: 450/250 mV
DVD system
Laser Semiconductor laser
(DVD: λ= 650 nm)
(CD: λ= 790 nm)
Emission duration:
continuous
Signal format system
Tuner section
System PLL quartz-locked digital
synthesizer
FM tuner section
Tuning range 87.5-108.0 MHz (50 kHz
step)
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
Mexican and Latin American models:
530 – 1,710 kHz (with the
interval set at 10 kHz)
531 – 1,710 kHz (with the
interval set at 9 kHz)
European, Russian and Middle Eastern models:
531 – 1,602 kHz (with the
interval set at 9 kHz)
TV/VIDEO (AUDIO IN)(Except AEP, UK models)
Sensitivity: 450/250 mV
Mexican and Latin American models:
NTSC
Other models: NTSC/PAL
Other models: 531 – 1,602 kHz (with the
interval set at 9 kHz)
530 – 1,610 kHz (with the
interval set at 10 kHz)
Antenna (aerial) AM loop antenna (aerial)
Intermediate frequency 450 kHz
Video section
Outputs
AEP, UK models: VIDEO: 1 Vp-p 75 ohms
R/G/B: 0.7 Vp-p 75 ohms
Dimensions (approx.) 430×67×310 mm (w/h/d)
incl. projecting parts
Mass (approx.) 3.2 kg
Design and specifications are subject to change
without notice.
Except AEP, UK models: VIDEO: 1 Vp-p 75 ohms
S VIDEO:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P
B
/C
B
, P
R
/C
R
: 0.7 Vp-p
75 ohms
General
Power requirements
Mexican models: 120 V AC, 60 Hz
Latin American models: 110 - 240 V AC, 50/60 Hz
Other models: 220 - 240 V AC, 50/60 Hz
Argentine models: 220 - 240 V AC, 50/60 Hz
Power consumption On: 80 W
Standby: 0.3 W (at the
Power Saving mode)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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2
HCD-DZ20
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
•Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
•Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
•Keep the temperature of the soldering iron around 270 °C
during repairing.
•Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•Be careful not to apply force on the conductor when soldering
or unsoldering.
This appliance is classified as
a CLASS 1 LASER product.
This marking is located on the
rear of the unit.
MODEL IDENTIFICATION
– Rear Panel –
Model Part No.
AEP, UK models 2-892-575-0[]
RU model 2-892-575-1[]
E32 model 2-892-575-2[]
MX model 2-892-575-3[]
E3 model 2-892-575-4[]
E12 model 2-892-575-5[]
AR model 2-892-575-6[]
SP model 2-892-575-7[]
TH model 3-270-984-0[]
•Abbreviation
AR : Argentine model
E3 : 220 – 240 V AC area in E model
E12 :220 – 240 V AC area in E model
E32 :110 – 240 V AC area in E model
MX : Mexican model
RU : Russian model
SP : Singapore model
TH :Thai model
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
CAUTION
Use of controls or adjustments or performance of procedures
otherthanthosespecifiedhereinmayresult in hazardousradiation
exposure.
Parts No.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
Special Component Notice
The components identified by mark 9contain confidential
information.
Strictlyfollowtheinstructions wheneverthecomponents are repaired
and/or replaced.
Ver. 1.2
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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3
HCD-DZ20
TABLE OF CONTENTS
1. SERVICING NOTE ................................................... 4
2. GENERAL ................................................................... 8
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 11
3-2. Case ................................................................................. 12
3-3. Front Panel Assy.............................................................. 12
3-4. FL Board.......................................................................... 13
3-5. KEY Board, P-SW Board................................................ 13
3-6. MAIN Board.................................................................... 14
3-7. Tuner (FM/AM), IO Board (AEP, UK) ........................... 15
3-8. Tuner (FM/AM), IO Board (Except AEP, UK) ............... 15
3-9. DVD Mechanism Deck (CDM85-DVBU102) ................ 16
3-10. Tray.................................................................................. 16
3-11. Belt, MS-203 Board ........................................................ 17
3-12. Optical Pick-up (KHM-313CAA) ................................... 18
4. TEST MODE ............................................................... 19
5. ELECTRICAL ADJUSTMENTS .......................... 23
6. DIAGRAMS
6-1. Block Diagram – RF Section –....................................... 26
6-2. Block Diagram – VIDEO Section – ............................... 27
6-3. Block Diagram – AUDIO Section – ............................... 28
6-4. Block Diagram – AMP Section – ................................... 29
6-5. Block Diagram – POWER Section –.............................. 30
6-6. Printed Wiring Board – MAIN Board (Side A) –........... 31
6-7. Printed Wiring Board – MAIN Board (Side B) –........... 32
6-8. Schematic Diagram – MAIN Board (1/8) – ................... 33
6-9. Schematic Diagram – MAIN Board (2/8) – ................... 34
6-10. Schematic Diagram – MAIN Board (3/8) – ................... 35
6-11. Schematic Diagram – MAIN Board (4/8) – ................... 36
6-12. Schematic Diagram – MAIN Board (5/8) – ................... 37
6-13. Schematic Diagram – MAIN Board (6/8) – ................... 38
6-14. Schematic Diagram – MAIN Board (7/8) – ................... 39
6-15. Schematic Diagram – MAIN Board (8/8) – ................... 40
6-16. Printed Wiring Board – MS-203 Board –....................... 41
6-17. Schematic Diagram – MS-203 Board – ......................... 41
6-18. Printed Wiring Board – IO Board –................................ 42
6-19. Schematic Diagram – IO Board – .................................. 43
6-20. Printed Wiring Boards – KEY, FL, P-SW Board – ........ 44
6-21. Schematic Diagram – KEY, FL, P-SW Board –............. 45
7. EXPLODEDVIEWS
7-1. Overall Section ................................................................ 57
7-2. Front Panel Assy.............................................................. 58
7-3. DVD Mechanism Deck Section (CDM85-DVBU102) ... 59
8. ELECTRICAL PARTS LIST .................................. 60
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

4
HCD-DZ20 SECTION 1
SERVICING NOTE
NOTES ON HANDLINGTHE 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 case and turn POWER on with no disc inserted.
2. Confirm that the following operation is performed while
observing the objecting lens from the clearance of DVD
mechanism deck.
1) Confirm that laser beam is spread.
2) Up and down motion of the objective lens. (2 times)
On cleaning discs, disc/lens cleaners
•Do not use cleaning discs or disc/lens cleaners
(including wet or spray types). These may cause the apparatus
to malfunction.
IMPORTANT NOTICE
Caution: This system is capable of holding a still video image or
on-screen display image on your television screen indefinitely.
If you leave the still video image or on-screen display image
displayed on your TV for an extended period of time you risk
permanent damage to your television screen.
Projection televisions are especially susceptible to this.
Attention when transported
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 Hand ?/1
simultaneously.
4. After a message “MECHA LOCK” is displayed on the
fluorescent indicator tube, pull out the AC plug.
5. To exit from this mode, press the ?/1 button to turn the set
on.
DISCTRAY 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 about CDs/DVDs
The system can play CD-ROMs/CD-Rs/CD-RWs recorded in the
following formats:
–audio CD format
–VIDEO CD format
–MP3 audio tracks, JPEG image files, and DivX video files* of
formatconformingto ISO 9660Level1/Level2, or its extended
format, Joliet
The system can play DVD-ROMs/DVD+RWs/DVD-RWs/
DVD+Rs/DVD-Rs recorded in the following formats:
–MP3 audio tracks, JPEG image files, and DivX video files* of
format conforming to UDF (Universal Disc Format)
*Except for United Kingdom model.
Example of discs that the system cannot play
The system cannot play the following discs:
•CD-ROMs/CD-Rs/CD-RWs other than those recorded in the
formats listed on “Note about CDs/DVDs”
•CD-ROMs recorded in PHOTO CD format
•Data part of CD-Extras
•DVD Audios
•Super Audio CD
•DATA DVDs that do not contain MP3 audio tracks, JPEG
image files, or DivX video files*
*Except for United Kingdom model.
•DVD-RAMs
Also, the system cannot play the following discs:
•ADVD VIDEO with a different region code
•Adisc that has a non-standard shape (e.g., card, heart)
•Adisc with paper or stickers on it
•Adisc that has the adhesive of cellophane tape or a sticker
still left on it
Notes about CD-R/CD-RW/DVD-R/DVD-RW/DVD+R/
DVD+RW
In some cases, CD-R/CD-RW/DVD-R/DVD-RW/DVD+R/
DVD+RW cannot be played on this system due to the recording
quality or physical condition of the disc, or the characteristics of
the recording device and authoring software.
The disc will not play if it has not been correctly finalized. For
more information, see the operating instructions for the recording
device.
Note that some playback functions may not work with some
DVD+RWs/DVD+Rs, even if they have been correctly finalized. In
this case, view the disc by normal playback.Also some DATA CDs/
DATA DVDs created in Packet Write format cannot be played.
Copyrights
This product incorporates copyright protection technology that is
protected by U.S. patents and other intellectual property rights. Use
of this copyright protection technology must be authorized by
Macrovision, and is intended for home and other limited viewing
uses only unless otherwise authorized by Macrovision. Reverse
engineering or disassembly is prohibited.
This system incorporates with Dolby* Digital and Dolby Pro Logic
(II) adaptive matrix surround decoder and the DTS** Digital
Surround System.
*Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are
trademarks of Dolby Laboratories.
** Manufactured under license from DTS, Inc.
“DTS” and “DTS Digital Surround” are registered trademarks
of DTS, Inc.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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5
HCD-DZ20
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 TV screen or front panel display. In this case,
check the following table.
When displaying the version
number on the TV screen
When you turn on the system, the version
number [VER.X.XX] (X is a number) may
appear on the TV 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.
Self-diagnosis Function
(When letters/numbers appear in the
display)
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.
,Restartthesystem,thenre-insert
the disc correctly.
E XX
(xx is a number) To prevent a malfunction, the
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
C:13:50
VER.X.XX
The lever is moved in the direction of the arrow with the thin rod.
DVD lid
How to open the disc table when power switch turns off
Insert a tapering driver into the aperture of the unit bottom, and slide it in the direction of the arrow.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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6
HCD-DZ20
MAIN BOARD
(SIDE A)
IC3250 IC3100
IC3300 IC3150
TP3053
800
Ω
/2W
TP3054
IC3200
IC3400
Point of discharge for
TP3053 and TP3054
R912
R913
FR901
FR902
C903
T901
MAIN BOARD
(SIDE B)
800
Ω
/2W
Point of discharge for
FR902 and R913
(Mexican model)
Point of discharge for
FR901 and R912
(Except Mexican model)
Prevention of electric shock and damage to IC
When disassembling the machine, be sure to discharge the charged electricity in the below point.
Use a resistor of 800 ohms, 2 Watts for discharging.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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7
HCD-DZ20
MAIN board service position
Please take the above-mentioned position in the repair of MAIN board.
In that case, it is necessary the following extension cable during CN801 on FL board and CN509 on MAIN board.
CN509 extension cable
jig P/N: J-2501-231-A
(pitch 1.00 mm/15p/300L)
Note on replacement of C803, C802, L801, and L802
Please fold in the directtion of the arrow and set up at replacement of C803, C802, L801, and L802 on FL board.
L801 L802C803
+
–
Precaution when installing a new OP unit /
Precaution before unsoldering the static electricity prevention solder bridge
When installing a new OP unit, be sure to connect the flexible printed circuit board first of all
before removing the static electricity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by unsoldering after the flexible printed
circuit board has already been connected.
(Do not remove nor unsolder the solder bridge as long as the OP unit is kept standalone.)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

8
HCD-DZ20 SECTION 2
GENERAL
Front panel
A"/1(on/standby) (18)
BA(open/close) (18)
CDisc operation (18)
DFUNCTION (18)
EFront panel display (78)
F(remote sensor) (8)
GVOLUME control (18)
HDisc tray (18)
R
AEP, UK MODEL
EXCEPT AEP, UK MODEL
ear panel
ASPEAKER jacks (9)
BEURO AV TOUTPUT (TO TV) jack (9)
CAM terminal (9)
DCOAXIAL FM 75Ωjack (9)
SPEAKER
ANTENNA
FRONT R FRONT L SUR R SUR L CENTER WOOFER
EURO AV
OUTPUT(TO TV)
COAXIAL
AM
FM75
ASPEAKER jacks (9)
BTV/VIDEO (AUDIO IN R/L) jacks (21)
CMONITOR OUT (S VIDEO/VIDEO) jacks
(18)
DAM terminal (9)
ECOAXIAL FM 75Ωjack (9)
FCOMPONENT VIDEO OUT jacks (18)
SPEAKER
ANTENNA
COMPONENT VIDEO OUT
FRONT R FRONT L SUR R SUR L CENTER WOOFER
TV/VIDEO
MONITOR OUT
COAXIAL
AM
FM75
RLAUDIO IN (DVD ONLY)
YPB/CBPR/CR
VIDEO
(DVD ONLY)
S VIDEO
This section is extracted
from instruction manual.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

9
HCD-DZ20
Fr
AEP, UK MODEL
EXCEPT AEP, UK MODEL
ont panel display
About the indications in the front panel display
ALights up when the time information of
a title or chapter appears in the front
panel display. (DVD only) (34)
BLights up when an NTSC disc is loaded.
CLights up when a station is received.
(Radio only) (47)
DStereo/Monaural effect (Radio only)(48)
ELights up when the sleep timer is set.
(52)
FLights up when the movie or music
mode is selected. (21)
GPlaying status (DVD function only)
HCurrent repeat mode (30)
ILights up when the child lock function
is set to on. (53)
JIndicates the selected [SPEAKER
FORMATION]. (57)
KCurrent surround format (Except for
JPEG)
LLights up when the DYNAMIC BASS is
selected. (51)
MDisplays system’s status such as
chapter, title, or track number, time
information, radio frequency, playing
status, sound field, etc.
ALights up when the time information of
a title or chapter appears in the front
panel display. (DVD only) (38)
BLights up when the color system is set
toNTSC.(Asian,Australian,andMiddle
Eastern models only)
CLights up when a station is received.
(Radio only) (51)
DStereo/Monaural effect (Radio only)(52)
ELights up when the sleep timer is set.
(56)
FLights up when the movie or music
mode is selected. (25)
GPlaying status (DVD function only)
HCurrent repeat mode (34)
ILights up when the child lock function
is set to on. (57)
JLights up when the system outputs
progressive signals (DVD function
only). (19)
KIndicates the selected [SPEAKER
FORMATION]. (61)
LCurrent surround format (Except for
JPEG)
MLights up when the DYNAMIC BASS is
selected. (55)
NDisplays system’s status such as
chapter, title, or track number, time
information, radio frequency, playing
status, sound field, etc.
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TEL 13942296513 QQ 376315150 892498299
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10
HCD-DZ20
Remote control
ANGLE 5(36)
AUDIO 4(31)
CLEAR ef (25, 50, 60)
D.TUNING wf (48)
DISC SKIP* eg
DISPLAY 2(34, 49)
DVD MENU wh (31, 44, 50)
DVD TOP MENU qf (31)
DYNAMIC BASS wd (51)
ENTER wg (50)
FUNCTION ws (18, 19, 26, 47,
57)
MOVIE/MUSIC qj (21)
MUTING 7(18)
Number buttons** qg (25, 48, 50,
54)
PICTURE NAVI 6(26, 50)
PRESET +/– wk es (48)
SOUND FIELD qh (22)
SUBTITLE wf (37)
SYSTEM MENU wg (16, 19, 50,
52, 83)
THEATRE SYNC w; (51)
TUNING +/– 0qs (47)
TV e; (50)
TV CH +/– wa (50)
TV INPUT qk (50)
TV VOL +/– eh (50)
VIDEO FORMAT 3(15)
VOLUME +/–** 8(18, 48, 64)
[/1(on/standby) 1(13, 16, 18,
26, 48)
TV [/1(on/standby) ej (50)
C/X/x/c/ qd (13, 16, 19, 25,
47, 54) REPLAY/
ADVANCE 9(18)
./>es wk (18)
m/
/
Mqs 0(24)
SLOW qs 0(24)
H (play)** ea (18, 26, 56)
STEP 9(24)
x(stop) wl (18, 26, 54)
X(pause) qa (18)
Z(open/close) ql (18)
DISPLAY wj (15, 25, 54, 79)
ORETURN ed (26)
-/-- ef (50)
*TheDISC SKIP button is not
available for this model.
**The H, number 5, and
VOLUME + buttons have
tactile dots. Use the tactile dots
as references when operating
the system.
ALPHABETICAL ORDER
A – O P – Z
BUTTON DESCRIPTIONS
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TEL 13942296513 QQ 376315150 892498299
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11
HCD-DZ20
SECTION 3
DISASSEMBLY
3-1. DISASSEMBLY FLOW
•This set can be disassembled in the order shown below.
3-4. FL BOARD
(Page 13)
3-5. KEY BOARD,
P-SW BOARD
(Page 13)
3-9. DVD MECHANISM DECK
(CDM85-DVBU102)
(Page 16)
3-10.TRAY
(Page 16)
3-11
1
. BELT,
MS-203 BOARD
(Page 17)
3-12. OPTICAL PICK-UP
(KHM-313CAA)
(Page 18)
3-6. MAIN BOARD
(Page 14) 3-7.TUNER (FM/AM),
IO BOARD
(AEP, UK)
(Page 15)
3-8.TUNER (FM/AM),
IO BOARD
(EXCEPT AEP, UK)
(Page 15)
3-3. FRONT PANEL ASSY
(Page 12)
3-2. CASE
(Page 12)
SET
Ver. 1.1
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TEL 13942296513 QQ 376315150 892498299
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12
HCD-DZ20
3-2. CASE
4
case
1
screw
(CASE3 TP2)
2
screw
(CASE3 TP2)
3
five screws
(+BVTP 3
×
8)
6
two claws
1
The lever is moved in the direction
of the arrow with the thin rod.
2
3
loading panel
7
front panel assy
5
three screws
(+BV 3
×
6)
4
wire (flat type)
15core (CN509)
3-3. FRONT PANEL ASSY
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TEL 13942296513 QQ 376315150 892498299
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13
HCD-DZ20
3-5. KEY BOARD, P-SW BOARD
3-4. FL BOARD
4
shield (front)
8
FL board
3
three
screws
(+BVTP 2.6
×
10)
1
screw
(+BVTP 2.6
×
10)
2
clamp
clamp
5
two
screws
(+BVTP 2.6
×
10)
7
wire (flat type)
15core (CN801)
6
connector
6p (CN805)
Route the wire (flat type) as shown below.
1
knob (vol)
2
nut
q;
KEY board
4
button (AIO)
7
Remove th
e
soldering.
8
harness
3
four
screws
(+BVTP
2.6
×
10
)
5
screw
(+BVTP
2.6
×
10
)
6
button (AIO)
9
P-
SW board
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TEL 13942296513 QQ 376315150 892498299
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14
HCD-DZ20
Attaching the two radiation sheets on the
IC MAIN board first, and then attach the
heatsink (AMP).
1
two screws (+BV 3
×
10)
3
heatsink (AMP)
qd
fourteen screws (+BV 3
×
6)
qs
three screws
(+BVTP 3
×
8
)
qf
MAIN board
4
two radiation sheets
2
screw (+BVTP 3
×
12)
radiation
sheets
heatsink (AMP)
IC on the
MAIN board
q;
wire (flat type)
15core (CN509)
8
wire (flat type) 5core (CN1202)
9
connector
6p (CN1201)
qa
connector
2p (CN901)
7
wire (flat type) 24core (CN1101)
6
wire (flat type) 13core (CN1301)
5
wire (flat type) 17core (CN507)
(AEP, UK)
wire (flat type) 15core (CN508)
(EXCEPT AEP, UK)
3-6. MAIN BOARD
Ver. 1.1
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TEL 13942296513 QQ 376315150 892498299
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15
HCD-DZ20
3-7. TUNER (FM/AM), IO BOARD (AEP, UK)
3-8. TUNER (FM/AM), IO BOARD (EXCEPT AEP, UK)
2
two screws
(+BVTT 2.6
×
6)
8
IO board
3
tuner (FM/AM)
7
two screws
(+BVTP 3
×
8)
6
wire (flat type) 11core (CN101)
1
wire (flat type) 11core
5
wire (flat type) 13core (CN201)
4
wire (flat type) 17core (CN601
)
2
two screws
(+BVTT 2.6
×
6)
8
IO board
3
tuner (FM/AM)
7
three screws
(+BVTP 3
×
8)
6
wire (flat type) 9core (CN102)
1
wire (flat type) 9core
5
wire (flat type) 13core (CN201)
4
wire (flat type) 15core (CN602
)
Ver. 1.1
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TEL 13942296513 QQ 376315150 892498299
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16
HCD-DZ20
3-10. TRAY
3-9. DVD MECHANISM DECK (CDM85-DVBU102)
7
three
screws
(+BV 3
×
6)
1
The lever is moved in the direction
of the arrow with the thin rod.
2
3
loading panel
4
connector
6p (CN1201)
5
wire (flat type)
24core (CN1101)
8
Remove the
DVD mechanism deck
(CDM85-DVBU102)
in the direction of the arrow.
6
wire (flat type) 5core
4
2
3
two claws
5
tray
1
Move the chuck cam
in the direction of the arrow.
bottom side
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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17
HCD-DZ20
3-11. BELT, MS-203 BOARD
1
two claws
5
three claws
7
MS-203 board
6
DC motor
3
belt
2
chuck cam
4
screw
(M 1.7
×
2.5)
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Q
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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18
HCD-DZ20
3-12. OPTICAL PICK-UP (KHM-313CAA)
1
two claws
3
two claws
2
chuck cam
4
base unit
5
two claws
7
bu holder
8
two insulators
9
two insulators
6
four insulator screws
0
optical pick-up
(KHM-313CAA)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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19
HCD-DZ20
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.
3. DiscTray 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” isdisplayed, thetraylock isnot releasedbyturning
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 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 H and ?/1
simultaneously.
4. After a message “MECHA LOCK” is displayed on the
fluorescent indicator tube, pull out the AC plug.
5. To exit from this mode, press the ?/1 button to turn the set
on.
5. AM Step Change (Except AEP, UK)
•Astep 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. Select the function “TUNER”, and press FUNCTION button
to select the BAND “AM”.
3. Press the ?/1 button to turn the set OFF.
4. Press two buttons >and ?/1 simultaneously, and the
displayoffluorescentindicator tube changes to“AM 9k STEP”
or “AM 10k STEP”, and thus the channel step is changed over.
6. Product Out
This mode moves the optical pick-up to the position durable to
vibration 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 >, A and
?/1 simultaneously.
4. After the “STANDBY” blinking display finishes, the message
“MECHA LOCK” is displayed on the fluorescent indicator
tube disconnect theAC power plug, then the ship mode is set.
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.
Procedure:
1. Press the ?/1 button to turn the power on.
2. Press three buttons x , A and ?/1 simultaneously.
3. When this button is operated, display as “COLD RESET” for
a while and all of the settings are reset.
2. PanelTest Mode
•This mode is used to check the software version, FL, LED
and KEY.
2-1. DisplayTest Mode
Procedure:
1. Press the ?/1 button to turn the power on.
2. Press three buttons X, . and Asimultaneously.
3. Whenthedisplaytest mode is activated,all segmentsareturned
on.
4. To exit from this mode, press three buttons X, . and A
simultaneously.
2-2.VersionTest Mode
Procedure:
1. Whenthedisplaytestmode is activated,pressthe .button
and the message “AS1” is displayed, the version test mode is
activated.
2. Whenever the .button is pressed, the display changes in
the following order.
*1: CE2 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 A
simultaneously.
2-3. KeyTest Mode
Procedure:
1. When the display test mode is activated, press the Hbutton,
to select the key test mode.
2. To enter the KEY test mode, the fluorescent indicator displays
“K0V0”.Eachtimeananother button ispressed,“KEY”value
increases. However, once a button is pressed, it is no longer
taken into account. When all keys are pressed correctly, “K8
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”.
4. To exit from this mode, press three buttons X, . and A
simultaneously.
“AS1” (Model name) t “CE2*1” (Destination) t MC
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TEL 13942296513 QQ 376315150 892498299
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20
HCD-DZ20
(2)Select “2. Drive Manual Operation” by pressing the 2 button
on the remote commander. The screen will appear as shown.
(3) Select “3. Manual Adjustment” by pressing the 3 button on
the remote commander. The screen will appear as shown.
(4)Select “6.IOP” by pressing the 6 button on the remote
commander.
(5) Wait until a hexadecimal number appear.
(6) Convert each data from hexadecimal to decimal using
conversion table.
(7) Please find the label on the rear of the BU (Base Unit).
The default IOP value is written in the label.
(8) Subtract between these two values.
(9) If the remainder is smaller than 93 (decimal), then it is OK.
Howeverif the valueis higher than 93,thentheBU isdefective
and need to be change.
(10) Press the RETURN button on the remote commander to
return back to previous menu.
(11) Press the 0 button on the remote commander to return to
Top Menu.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time Adjust
0. Return to Top Menu
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
OoChange Value
[RETURN] Return to previous menu
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop. 5B:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
[RETURN] Return to previous menu
OoChange Value
DVD SECTION
7-1. GENERAL DESCRIPTION
TheIOPmeasurementallowsyoutomakediagnosisandadjustment
simply by using the remote commander and monitor TV. The
instructions,diagnosisresults,etc.aregivenon the on-screen display
(OSD).
Be sure to execute the IOP measurement when a BU (Base Unit) is
replaced.
7-2. HOWTO ENTER TEST MODE
While pressing the x and A buttons simultaneously, turn
VOLUME control in the direction of (+) with the DVD player in
power on.
The Test Mode starts, displayed “SERVICE IN” on this model
display then the menu shown below will be displayed on the TV
screen.
The menu above is the Remocon Diagnosis Menu screen which
consists of five main functions.At the bottom of the menu screen, the
model name and IF-con version. To exit from the Test Mode, press
the power button on the remote commander.
7-3. EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard
procedures must be followed.
(1) In power on, while pressing the x and A buttons
simultaneously, turn the VOLUME control in the direction
of (+).
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name
IF-con : V
Syscon : Ver.
er. XX.XX (XXXX)
X.XXX
: AS1_ XX
*
1
*1: Changes depending on destination
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version information
Model Name
IF-con : Ver. XX.XX (XXXX)
Syscon : Ver. X.XXX
: AS1_ XX
*
1
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
Table of contents
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