Sony HCD-WZ8D User manual

HCD-WZ8D
AEP Model
UK Model
E Model
Australian Model
SERVICE MANUAL
CD/DVD PLAYER TUNER
SPECIFICATIONS
Ver 1.0 2003. 07
•HCD-WZ8D is the tuner, and the CD/
DVD player section in MHC-WZ8D.
CD/DVD player section
Laser Semiconductor laser
(DVD: λ=650 nm,
CD: λ=780 nm)
Emission duration:
continuous
Frequency response DVD (PCM 48 kHz):
2Hz–22 kHz = (±1 dB)
CD: 2 Hz – 20 kHz =
(±1dB)
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Video color system format
NTSC, PAL
DVD DIGITAL (OPTICAL) OUT (European, Russian
and Australian models only) (Square optical connector
jack, rear panel): Optical Wavelength:
660 nm
AM tuner section
Tuning range
Latin American model: 530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,710 kHz
(with the tuning interval
set at 9 kHz)
European, Russian and Middle Eastern models:
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Other models: 531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
Power consumption
European and Russian models:
235 watts
0.3 watts (in Power Saving
Mode)
Other models: 260 watts
Dimensions (w/h/d)
CD/DVD player/Tuner: Approx. 255 ×135 ×
355 mm
Mass
CD/DVD player/Tuner: Approx. 3.0 kg
Supplied accessories: Remote Commander (1)
Batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Speaker pads (20)
Speaker cords (5)
Video cord (1)
Design and specifications are subject to change
without notice.
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
Russian model 65.0 – 74.0 MHz
(There is no stereo effect)
87.5 – 108.0 MHz
Other models 87.5 – 108.0 MHz
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
General
Power requirements
Power voltage is DC 9V and fed with STEREO
CASSETTE
DECK AMPLIFIER (DXA-WZ8D)
from the external SYSTEM CONTROL connectors.
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-415-01
2003G1678-1
© 2003.07
DVD Model Name Using Similar Mechanism HCD-SA30
Section DVD Mechanism Type CDM77A-DVBU20
Optical Pick-up Name TDP022W
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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2
HCD-WZ8D
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
other than those specified herein may result in hazardous radiation
exposure.
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 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.
TABLE OF CONTENTS
1. GENERAL ·········································································· 4
2. DISASSEMBLY
2-1. Case ··············································································· 7
2-2. Front Panel Assy ···························································· 8
2-3. PANEL Board, CD-TC-SW Board,
ENTER-SW Board, BACK LIGHT Board,
LCD Board ···································································· 8
2-4. 4CH-VOL Board, VIDEO Board ·································· 9
2-5. MAIN Board, REGULATOR Board,
HP AMP Board ······························································ 9
2-6. DVD Mechanism (CDM77A-DVBU20)····················· 10
2-7. DMB03 Board ····························································· 10
2-8. MIC Board··································································· 11
2-9. Tray (AU) ···································································· 11
2-10.MS-128 Board ····························································· 12
2-11.Base Unit ····································································· 12
2-12.Pick-up Unit (TDP022W) ··········································· 13
3. TEST MODE ···································································· 14
4. DIAGRAMS
4-1. Block Diagrams – RF Servo Section – ······················· 25
– Video Section – ····························· 26
– Audio Section – ···························· 27
– Main Section – ······························ 28
4-2. Printed Wiring Board – RF Board – ···························· 29
4-3. Schematic Diagram – RF Board – ···························· 30
4-4. Printed Wiring Board – DMB03 Board (Side A) – ····· 31
4-5. Printed Wiring Board – DMB03 Board (Side B) – ····· 32
4-6. Schematic Diagram – DMB03 Board (1/9) – ··········· 33
4-7. Schematic Diagram – DMB03 Board (2/9) – ··········· 34
4-8. Schematic Diagram – DMB03 Board (3/9) – ··········· 35
4-9. Schematic Diagram – DMB03 Board (4/9) – ··········· 36
4-10.Schematic Diagram – DMB03 Board (5/9) – ··········· 37
4-11.Schematic Diagram – DMB03 Board (6/9) – ··········· 38
4-12.Schematic Diagram – DMB03 Board (7/9) – ··········· 39
4-13.Schematic Diagram – DMB03 Board (8/9) – ··········· 40
4-14.Schematic Diagram – DMB03 Board (9/9) – ··········· 41
4-15.Printed Wiring Board – Main Section – ······················ 42
4-16.Schematic Diagram – Main Section (1/2) – ············· 43
4-17.Schematic Diagram – Main Section (2/2) – ············· 44
4-18.Printed Wiring Board – PANEL Board – ···················· 45
4-19.Schematic Diagram – PANEL Board – ···················· 46
4-20.Printed Wiring Board – LCD/Switch Section – ·········· 47
4-21.Schematic Diagram – LCD/Switch Section – ·········· 48
4-22.Printed Wiring Board – REGULATOR Board – ········· 49
4-23.Schematic Diagram – REGULATOR Board – ········· 50
4-24.Printed Wiring Board – 4CH-VOL Board – ················ 51
4-25.Schematic Diagram – 4CH-VOL Board – ················ 52
4-26.Printed Wiring Board – VIDEO/MIC Board – ············ 53
4-27.Schematic Diagram – VIDEO/MIC Board – ············ 54
4-28.IC Block Diagrams ······················································ 55
4-29.IC Pin Function Description ········································ 61
5. EXPLODED VIEWS
5-1. Front Panel Section ····················································· 70
5-2. Chassis Section ···························································· 71
5-3. DVD Mechanism Deck Section ·································· 73
6. ELECTRICAL PARTS LIST ······································· 74
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.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
This appliance is
classified as a CLASS 1
LASER product. This
label is located on the
rear exterior.
The following caution label is located inside the apparatus.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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3
HCD-WZ8D
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINEWITH
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.
MODEL IDENTIFICATION
— BACK PANEL —
•Abbreviation
AUS:Australian model
E2 : 120V AC area in E model
E3 : 240V AC area in E model
E15 : 220-240V AC area in E model
EA : Saudi Arabia model
KR : Korean model
MY : Malaysia model
PH : Philippines model
RU : Russian model
SP : Singapore model
TH : Thai model
PARTS No.
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 viscous (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.
[When bringing in the equipment for service]
In case of repairing, please bring the entire system set([HCD-WZ5,
DXA-WZ5],except for the speaker) to the service station.
MODEL
AEP, UK models
EA model
E3, E15 models
E2 model
AUS models
TH model
KR model
MY, SP models
RU models
PH model
PARTS No.
4-244-897-0s
4-244-897-1s
4-244-897-2s
4-244-897-3s
4-244-897-4s
4-244-897-6s
4-244-897-7s
4-244-897-8s
4-244-897-9s
4-247-928-0s
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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4
HCD-WZ8D
This section is extracted
from instruction manual.
SECTION 1
GENERAL
Main unit
ALBUM – qg (14, 17, 19)
ALBUM + qf (14, 17, 19)
CD SYNC 9(41)
COLOR SELECT w; (50)
Control lever 7(11, 45)
Disc tray wg (13)
DISPLAY ql (39, 49, 51, 52)
Display window wf
DVD 5(11, 12, 13, 19, 37, 41,
42)
DVD MENU qf (16, 27)
DVD TOP MENU qg (16)
ECHO LEVEL
*1
wa (46)
EFFECT qj (43, 45)
EQ EDIT qk (45, 60)
GROOVE 7(43)
Headphone jack qd
KARAOKE/MPX
*2
qh (45)
MD (VIDEO) 2(42, 55)
MIC LEVEL
*2
ws (45)
Microphone jacks
*2*3
wd
MOVIE MODE 7(43)
MPX
*4
qh (46)
MUSIC MODE 7(43, 45)
PUSH ENTER 7(12, 16, 17, 18,
19, 21, 23, 26, 28, 31, 36, 45,
46, 47, 48)
Remote sensor qs
SOUND FIELD 7(43)
TAPE A/B 3(40, 41, 42, 46)
TUNER/BAND 6(36, 37, 42)
VOLUME qa (47)
?/1 (power) 1(10, 37, 47, 55,
60)
X(pause) 4(10, 14, 40)
nN (play) 4(14, 30, 40, 41,
46)
x(stop) 4(11, 14, 27, 37, 40,
41, 46, 60)
+M> (fast forward/go
forward) 4(14, 36, 40)
.m– (rewind/go back) 4
(14, 36, 40)
Z(open/eject) 8(13)
zSTART (recording start) q;
(41, 46)
*1
Except for European, Russian
and Latin American models
*2
Except for European and
Russian models
*3
Microphone jacks for:
Latin American model: 1
Asian, Australian and Middle
Eastern models: 2
*4
European and Russian models
only
List of button locations and reference pages
How to use this page
Use this page to find the location of buttons and other
parts of the system that are mentioned in the text.
Ill
us
t
ra
ti
on num
b
er
r
TAPE A/B 3(41, 42)
RR
Name of button/part Reference page
ALPHABETICAL ORDER
A – J K – Z
BUTTON DESCRIPTIONS
CD/DVD player/Tuner
Use buttons on the remote for the operation.
1Press ?/1 to turn on the system.
2Press CLOCK/TIMER SET.
3Press Mor mrepeatedly to set the hour.
4Press ,.
5Press Mor mrepeatedly to set the
minute.
6Press ENTER.
The clock starts working.
To adjust the clock
1 Press CLOCK/TIMER SET.
2 Press Mor mrepeatedly to select “CLOCK
SET?”, then press ENTER.
3 Do the same procedures as step 3 to 6
above.
Setting the clock
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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5
HCD-WZ8D
Remote control
ALBUM – wa (14, 17, 19)
ALBUM + ws (14, 17, 19)
ANGLE wh (26)
AUDIO wj (23)
BAND 8(36, 37)
CLEAR qa (19, 20, 22)
CLOCK/TIMER SELECT es
(48, 49)
CLOCK/TIMER SET ef (12, 47,
48)
COMMAND MODE switch qs
(10)
DIMMER e; (50)
DISPLAY ea (39, 49, 51, 52)
DVD DISPLAY qh (17, 18, 21,
23, 26, 28, 34, 52, 53)
DVD MENU ws (16, 27)
DVD SET UP qj (12, 15, 24, 26,
29, 31, 35, 61)
DVD TOP MENU wa (16)
ENTER w; (12, 16, 17, 18, 19, 21,
23, 26, 28, 31, 36, 45, 46, 47,
48)
FUNCTION 7(12, 13, 19, 36,
37, 40, 47)
GROOVE 2(43)
KEY CONTROL 5(43, 46)
MOVIE MODE qk (43)
MUSIC MODE ql (43, 45)
Number buttons wk (15, 16, 20,
22, 25, 26, 28)
PLAY MODE/DIRECTION ed
(14, 19, 40, 41, 42, 46)
PRESET –/+ wf (36, 37)
PREV/NEXT wf (14)
REPEAT/FM MODE 6(18, 38)
SELECT wd (16)
SLEEP eg (47)
SOUND FIELD 9(43)
SUBTITLE wl (24)
TUNER MEMORY 5(36)
TUNING MODE 4(36, 37)
TUNING –/+ qd (36, 38)
TV CH –/+ wf (10)
TV/VIDEO 3(10)
VOL +/– wg (10, 47)
?/1 (power) 1(10, 47)
m/M (rewind/fast forward)
qd (14, 36, 40)
SLOW t/T qd (14)
./> (go back/go forward)
wf (14, 36, 40)
nN (play) wd (14, 30, 40, 41,
46)
X(pause) qg (14, 40)
x(stop) qf (14, 40, 41, 46)
M /m/</,w; (12, 16, 23, 28,
33, 47)
O RETURN q; (16, 28)
TV ?/1 eh (10)
ALPHABETICAL ORDER
A – O P – Z
BUTTON DESCRIPTIONS
123
456
7
>
10 10/0
89
1
2
3
4
5
6
7
8
9
0
qa
qs
qd
qf
qg
qh
qj
qk
eh
eg
ef
ed
es
ea
e;
wl
wk
wh
wj
wg
wf
wd
ws
wa
w;
ql
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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6
HCD-WZ8D
Perform the following procedures 1to 7to hook up your system using the supplied cords and
accessories. European model is used for illustration purpose.
Preparation
Place the components as shown below.
1Connect the system control cables to
the SYSTEM CONTROL connectors on
the tape deck.
Connect to the same numbered jack in the
order indicated on the rear panel.
Note
The system cable is used to send signals and electricity
between the components for interlinked operation.
Be sure to insert the connector horizontally until it
clicks into place. Otherwise the system will not operate
correctly.
2Connect the speakers.
Be sure to match the appropriate speaker
cords from the speaker terminals to the
corresponding SPEAKER terminals on the
tape deck.
Getting Started
Hooking up the system
AM loop antenna
To front speaker (right)
To front speaker
(left)
FM lead antenna
CD/DVD player/Tuner Amplifier/Tape deck
To surround speaker (right)
To surround speaker (left)
To center
speaker
Amplifier/
Tape deck CD/DVD player/ Tuner
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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7
HCD-WZ8D
SECTION 2
DISASSEMBLY
•The equipment can be removed using the following procedure.
SET
MS-128 BOARD BASE UNIT
DMB03 BOARD
FRONT PANEL ASSY
CASE
PANEL BOARD, CD-TC SW BOARD,
ENTER-SW BOARD,
BACK LIGHT BOARD, LCD BOARD
4CH-VOL BOARD,
VIDEO BOARD
MAIN BOARD,
REGULATOR BOARD,
HP AMP BOARD
DVD MECHANISM
(CDM77B-DVBU20)
TRAY (AU)
PICK-UP UNIT
(TDP022W)
Note : Follow the disassembly procedure in the numerical order given.
2-1. Case
1 three screws
(+BVTP 3
× 8)
2 two screws
(case 3 TP2)
4 case
3 two screws
(case 3 TP2)
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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8
HCD-WZ8D
2-2. Front Panel Assy
2-3. PANEL Board, CD-TC-SW Board, ENTER-SW Board, BACK LIGHT Board, LCD Board
qa front panel
section
9 connector
(CN108)
3 loading panel
How to eject the disc tray when the
main power cannot be turned on.
1
2
q;
wire (flat type)
(23 core) (CN109)
6 three screws
(+BVTP 3
× 8)
4 screw
(+BVTP 3
× 8)
5 wire
(NO601)
8
7
claw
bottom side
5 two claws
qh three claws
qf PANEL board
qs ENTER-SW board
7 CD-TC SW board
qj BACK LIGHT board
w; LCD board
wa LCD assy
ql Remove the soldering.
qd wire (flat type)
(23 core) (CN605)
8 eight screws
(+BVTP 2.6
× 8)
qa two screws
(+BVTP 2.6
× 8)
qg four screws
(+BVTP 2.6
× 8)
qk two screws
(+BVTP 2.6
× 8)
9 connector
(CN602)
q; connector
(CN603)
6 connector
(CN604)
4 two screws
(+BVTP 2.6
× 8
)
1 knob (volume)
3 button (cursor)
2 nut
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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9
HCD-WZ8D
2-4. 4CH-VOL Board, VIDEO Board
2-5. MAIN Board, REGULATOR Board, HP AMP Board
5 cord connector
(CN302)
qd cord connector
(CN107)
qs cord connector
(CN503,CN504)
qa connector
(CN507)
qf back panel
2 wire (flat type)
(11/15 core)
1 wire (flat type)
(23/25 core)
6 wire (flat type)
(25/21 core)
9 wire (flat type)
(17 core)
8 4CH-VOL board
4 four screws
(+BVTP 3
× 8)
7 two screws
(+BVTP 3
× 8)
3 seven screws
(+BVTP 3
× 8)
q; VIDEO board
q; two claws
qa MAIN board
qs REGULATOR board
1 connector
(CN601)
7 connector
(CN109)
6 wire (flat type)
(5 core) (CN103)
5 wire (flat type)
(11 core) (CN102)
4 wire (flat type)
(7 core) (CN101)
8 screw
(+BVTP 3
× 8)
9 four screws
(+BVTP 3
× 8)
2 screw
(+BVTP 3
× 8)
3 HP AMP board
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4 2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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10
HCD-WZ8D
2-6. DVD Mechanism (CDM77A-DVBU20)
2-7. DMB03 Board
1 wire (flat type)
(5 core) (CN103)
3 wire (flat type)
(29 core) (RF board)
2 three screws
(+BVTP 3
× 8
)
4 DVD mechanism
(CDM77B-DVBU20)
6 wire (flat type)
(25/21 core) (CN107)
5 claw
9 heat sink (DMB)
qa DMB03 board
7 wire (flat type)
(17 core) (CN105)
1 wire (flat type)
(7 core) (CN101)
2 wire (flat type)
(11 core) (CN102)
4 four screws (+BV)
q; bracket (CDM)
3 screw
(+BVTP 3
× 8)
8 four screws
(+BVTP 3
× 8)
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11
HCD-WZ8D
2-8. MIC Board
2-9. Tray (AU)
1 two screws
(+BVTP 3 × 8)
2 claw
3 connector
(CN701)
4 MIC board
4 tray (AU)
3 two claws
bottom side
1
2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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12
HCD-WZ8D
2-10. MS-128 Board
2-11. Base Unit
1 belt
2 four claws
3 MS-128 board
5 two claws
6 base unit
2 claw
4 driving gear
3 puley gear
1 belt
7 chuck cam
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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13
HCD-WZ8D
2-12. Pick-up Unit (TDP022W)
3 w ire (flat type)
24p (CN001)
2 flexible board
(CN003)
5 three step screws (M)
8 pick-up unit (TDP022W)
1 claw
6 holder (DBU1)
7 three insulators
4 RF board
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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14
HCD-WZ8D
[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 three buttons x, EQ EDIT and ?/1simultaneously.
2. The liquid crystal display does not display any message and the
set is reset.
[MD/VIDEO Function Selection Mode]
•This mode is used to select the function of MD or VIDEO.
Procedure:
1. Press the ?/1button to turn the set on.
2. Press the MD(VIDEO) and ?/1buttons simultaneously.
3. The function will change from MD to VIDEO, and "VIDEO" is
displayed.
4. To change change back to MD , repeat the same procedure.
[AM Channel Step 9 kHz/10kHz Selection Mode]
•Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Set the function to AM.
2. Turn off the main power.
3. While depressing the xbutton, press the ?/1button to turn
on the main power.
4. “AM 9k Step” or “AM 10k Step” is displayed and the channel
step is changed over.
* For E model only
[DVD Ship Mode (without Cold Reset)]
•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 ?/1button to turn the set on.
2. Set the function to DVD.
3. Press the xbutton and the M(Control lever) button
simultaneously.
4. After the "STANDBY" display blinks six times, the message
"LOCK" is displayed on the liquid crystal display, and the DVD
ship mode is set.
[DVD Ship Mode (without Cold Reset)]
•This mode is used to perform the DVD Ship Mode with Cold
Reset.
Procedure:
1. Press the ?/1button to turn the set on.
2. Set the function to DVD.
3. Press three buttons x, zSTART (REC PAUSE) and
.m – simultaneously.
4. After the "STANDBY" display blinks six times, the message
"LOCK" is displayed on the liquid crystal display, and the DVD
ship mode is set.
[Color System Selection]
*Color system can be changed to PAL or NTSC.
Procedure:
1. Turn off the main power.
2. Press two buttons Xand ?/1simultaneously.
“COLOR PAL” is displayed and the color system is changed to
PAL. The set is powered on and the function is set to DVD.
3. To change the color system to NTSC, turn off the main power.
4. Press two buttons Xand ?/1simultaneously.
“COLOR NTSC” is displayed and the color system is changed
to NTSC. The set is powered on and the function is set to DVD.
[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 ?/1button to turn the set on.
2. Set the function to DVD.
3. Press two buttons of x and Z simultaneously for five seconds.
4. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press two buttons of xand Zsimultaneously 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 ?/1button.
[MC Test Mode]
*This mode is used to check operations of the amplifier and tape
deck.
Procedure:
1. Press the ?/1button to turn the set on.
2. Press three buttons x, zSTART (REC PAUSE) and MUSIC
MODE simultaneously.
3. “MD” is displayed and dotted lines blink.
4. Every pressing the EQ EDIT button changes the displays in
the order of “GEQ MIN” →“GEQ FLAT” →“GEQ MAX”
5. When the VOLUME control knob is turned clockwise even
slightly, the sound volume increases to its maximum and the
message “VOLUME MAX” appears for two seconds, the display
returns to the original display.
6. When the VOLUME control knob is turned counterclockwise
even slightly, the sound volume decreases to its minimum and
the message “VOLUME MIN” appears for two seconds, the
display returns to the original display.
7. When a tape is inserted in Deck B and by pressing the zSTART
(REC PAUSE) button recording is started, the input source
function selects MD automatically.
8. During the recording by pressing the .m – button, the
TAPEA/B is selected and tape is rewound.Tape stops at around
the record-starting position and playback of the recorded portion
of the tape is started.
9. Press the ?/1button to turn the set off.
[GC Test Mode]
•This mode is used to check the software version, key board,VACS
level, liquid crystal display and LEDs.
Procedure:
1. Press three buttons x, zSTART (REC PAUSE) and
TUNER/BAND simultaneously.
2. Segments of the liquid crystal display and LEDs are all turned
on.
3. To enter the software version display mode, press the .m –
button. The model name and destination are displayed.
4. Each time the .m – button is pressed, the display changes
in the following order. MC, GC, CD, CDD, CDMA, CDMB,
BDA, BDB, ST,TA, TM, TC and MD. Each time the + M >
button is pressed, the contents of the version display change.
5. Press the hH button, and the key check mode is activated.
6. In the key check mode, "K 0 V 0" is displayed. Each time a
button is pressed, "K 0" value increases. However, once a button
is pressed, it is no longer taken into account. "V 0" value
increases like 1, 2, 3 ... if rotaing the VOLUME knob clockwise,
or it decreases like 0, 9, 8 ... if rotating couterclockwise.
7. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
SECTION 3
TEST MODE
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15
HCD-WZ8D
[GENERAL DESCRIPTION]
The Test Mode allows you to make diagnosis and adjustment easily
using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).
[STARTING TEST MODE]
1. Press the +/1 button to turn the power on, and set the function
to DVD.
2. While pressing the xand Zbutton, turn the [VOLUME]
knob clockwise to enter the test mode.
3. It displays “SERVICE IN” on the liquid crystal display, and
displays the Test Mode Menu on the monitor screen as follows.
(At the bottom of the menu screen, the model name and revision
number are displayed)
Test Mode Menu
0. Syscon Diagnosis
1. Drive Auto Adjustment
2. Drive Manual Operation
3. Mecha Aging
4. Emergency History
5. Mecha Error History
6. Version Information
7. Video Level Adjustment
Exit: POWER Key
Model :MHC-WZ8D_6D xx
Revision :x.xx
4. To execute each function, select the desired menu and press its
number on the remote commander [COMMAND MODE]
(RM-SWZ8D).
5. To release from test mode, press the +/1 button and turn the
power off.
[OPERATING TEST MODE]
0. SYSCON DIAGNOSIS
The same contents as board detail check by serial interface can be
checked from the remote commander operation.
On the Test Mode Menu screen, press [10/0] key on the remote
commander, and the following Check Menu will be displayed.
### Syscon Diagnosis ###
Check Menu
0. Quit
1. All
2. Version
3. EEPROM
4. GPIO
5. SD Bus
6. Video
0-0. Quit
Quit the Syscon Diagnosis and return to the Test Mode Menu.
0-1. All (All items continuous check)
This menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically
unless an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is displayed
for the key entry.
DVD OSD Test Mode
•VACS Level Display Mode
Procedure:
1. Press three buttons x, zSTART (REC PAUSE) and
TUNER/BAND simultaneously.
2. Press the Xbutton. TheVACS level "VACS 0+0" is displayed.
3. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
•Display Check
Procedure:
1. Press three buttons x , zSTART (REC PAUSE) and
TUNER/BAND simultaneously.
2. Press the xbutton and the display changes. Each time the x
button is pressed, the pattern of segments changes.
3. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
[VACS ON/OFF Mode]
•This mode is used to switch on and off the VACS (Variable
Attenuation Control System).
Procedure:
1. Press the ?/1button to turn the set on.
2. To enter the test mode, press three buttons x, zSTART
(REC PAUSE) and MOVIE MODE simultaneously.
3. The message "VACS OFF" or "VACS ON" appears.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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16
HCD-WZ8D
•Example display
### Syscon Diagnosis ###
Diag All Check
No.2 Version
2-3. ROM Check Sum
Check Sum = xxxx
Press NEXT Key to Continue
Press PREV Key to Repeat
For the ROM Check, the check sum calculated by the Syscon is
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the [NEXT ] button to go to the
next item, or press the [ PREV] button to repeat the same
operation again.
To quit the diagnosis and return to Check Menu screen, press the
[RETURN] key on the remote commander to display Check Menu.
•Error occurred
If an error occurred, the diagnosis is suspended and error is displayed.
Press the [RETURN] key on the remote commander to quit the
diagnosis, or press the [ PREV] button to repeat the same check
where an error occurred, or press the [NEXT ] button to continue
the check from the item next to faulty item.
General Description of Checking Method
Selecting 2 and subsequent items calls the submenu screen of each
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.
Check Items List:
0-2. Version
0-2-1. All
0-2-2. Revision
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region
0-3. EEPROM Check
0-3-1. Sampling Check
0-3-2. Detail Check
0-4. GP I/O Check
0-5. SD Bus Check
0-6. Video Check
0-2. Version
0-2-2. Revision
The revision number of ROM (IC206) that the program for
the DVD system processor (IC207) is stored.
0-2-3. ROM Check Sum
Check sum is calculated.
(4 digits hexadecimal number)
0-2-4. Model Type
Model name is displayed. (MHC-WZ8D)
>
.
>
.
0-2-5. Region
Model destination code is displayed. (2 digits number)
0-3. EEPROM Check
0-3-1. Sampling Check
EEPROM check at every 64 words.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.
0-3-2. Detail Check
EEPROM check at every 1 word.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.
0-4. GP I/O Check
Pull up/down setting check of the DVD system processor (IC207)
pin 150, 151 and 154 (for clock setting port).
0-5. SD Bus Check
SD bus data check between DVD decoder (IC701) and D-RAM
(IC706).
0-6. Video Check
Output the color bars for video level adjustment.
1. DRIVE AUTO ADJUSTMENT
On the Test Mode Menu screen, press the [1] key on the remote
commander, and the Adjustment Menu will be displayed.
## Drive Auto Adjustment ##
Adjustment Menu
0. ALL
1. DVD-SL
2. CD
3. DVD-DL
Exit: RETURN
Normally, [10/0] is selected to adjust DVD (single layer), CD and
DVD (dual layer) in this order. But, individual items can be adjusted
for the case where adjustment is suspended due to an error. In this
mode, the adjustment can be made easily through the operation
following the message displayed on the screen.
The disc used for adjustment must be the one specified for
adjustment.
1-0. ALL
Press the [10/0] key on the remote commander, and the servo set
data in EEPROM will be initialized. Then, 1. DVD-SL disc, 2. CD
disc and 3. DVD-DL disc are adjusted in this order.
Each time one disc was adjusted, it is ejected. Replace it with the
specified disc following the message.You can finish the adjustment
by pressing the [RETURN] button on the remote commander.
Note: During adjustment of each disc, the measurement for disc type judg-
ment is made. As automatic adjustment does not judge the disc
type unlike conventional models, take care not to insert wrong type
discs. Also, do not give a shock during adjustment.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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17
HCD-WZ8D
1-1. DVD-SL (single layer)
Press the [1] key on the remote commander and insert a DVD single
layer disc following the message.Then the adjustment will be made
through the steps below, then adjusted values will be written to the
EEPROM.
DVD Single Layer Disc Adjustment Steps:
1. Sled tilt reset
2. Disc check memory SL
3. Wait 300 msec
4. Set disc type SL
5. LD on
6. Spindle start
7. Wait 1 sec
8. Focus servo on 0
9. Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. Wait 1 sec
14. Sled on
15. Check CLV on
16. Auto LFO adjust
17. Auto focus offset adjust
18. Auto tilt position adjust
19. Auto focus gain adjust
20. Auto focus offset adjust
21. EQ boost adjust
22. Auto loop filter offset adjust
23. Auto track gain adjust
Search Check
24. 32 track jump forward
25. 32 track jump reverse
26. 500 track jump forward
27. 500 track jump reverse
28.All servo stop
29.EEP copy loop filter offset
1-2. CD
Press the [2] key on the remote commander and insert a CD disc
following the message. Then the adjustment will be made through
the steps below, then adjusted values will be written to the EEPROM.
CD Adjustment Steps
1. Sled tilt rest
2. Disc check memory CD
3. Wait 500 msec
4. Set disc type CD
5. LD on
6. Spindle start
7. Wait 500 msec
8. Focus servo on 0
9. Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. (TC display start)
14. Wait 1 sec
15. Jitter display start
16. Sled ON
17. Check CLV on
18. Auto loop filter offset adjust
19. Auto focus offset adjust
20. Auto focus gain adjust
21. Auto focus offset adjust
22. EQ boost adjust
23. Auto LFO Adjust
24. Auto track gain adjust
Search Check
25. 32Tj forward
26. 32Tj reverse
27. 500Tj forward
28. 500Tj reverse
29. All servo stop
1-3. DVD-DL (dual layer)
Press the [3] key on the remote commander and insert a DVD dual
layer disc following the message. Then the adjustment will be made
through the steps below, then adjusted values will be written to the
EEPROM.
DVD Dual Layer Disc Adjustment Steps:
1. Sled tilt reset
2. Disc check memory DL
3. Wait 500 msec
4. Set disc type DL
5. LD on
6. Spindle start
7. Wait 1 sec
Layer 1 Adjust
8. Focus servo on 0
9. Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. Wait 500 msec
14. Sled on
15. Check CLV lock
16. Auto loop filter offset adjust, Auto focus adjust
17. Auto focus gain adjust
18. Auto focus offset adjust
19. EQ boost adjust
20. Auto loop filter offset adjust
21. Auto Track Gain Adjust
Search Check
22. 32 track jump forward
23. 32 track jump reverse
24. 500 track jump forward
25. 500 track jump reverse
Layer 0 Adjust
26. Focus jump (L1 tL0)
27. Auto track offset adjust L0
28. CLVA on
29. Wait 500 msec
30. Tracking on
31. Wait 500 msec
32. Sled on
33. Check CLV lock
34. Auto focus filter offset adjust
35. Auto Focus Adjust
36. Auto focus gain adjust
37. Auto focus offset adjust
38. EQ boost adjust
39. Auto Loop Filter Offset
40. Auto track gain adjust
Search Check
41. 32 track jump forward
42. 32 track jump reverse
43. 500 track jump forward
44. 500 track jump reverse
Layer Jump Check
45. Layer jump (L0 ? L1)
46. Layer jump (L1 ? L0)
47. All servo stop
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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18
HCD-WZ8D
2. DRIVE MANUAL OPERATION
Note: This mode is used for design, and not used in service fundamen-
tally.
On the Test Mode Menu screen, press the [2] key on the remote
commander, and the Operation Menu will be displayed. For the
manual operation, each servo on/off control and adjustment can be
executed manually.
## Drive Manual Operation ##
Operation Menu
1. Disc Type
2. Servo Control
3. Track/Layer Jump
4. Non EEPROM Write Adjust
5. EEPROM Write Adjust
6. Memory Check
7. Disc Check Memory
8. Error Rate Display
9. SACD Water Mark
Exit: RETURN
In using the manual operation menu, take care of the following
points. These commands do not provide protection, thus requiring
correct operation. The sector address or time code field is displayed
when a disc is loaded.
Note:
1. Set correctly the disc type to be used on the Disc Type screen.
2. In case of an alarm, immediately press the xbutton to stop the
servo operation, and press the +/1 button to turn the power
off.
Basic operation:
(controllable from front panel or remote commander)
+/1 :Power OFF (release the Test Mode)
x :Servo stop
Z:Stop and eject/Loading
[RETURN] :Return to Operation Menu or Test
Mode Menu
[ PREV], [NEXT ] :Transition between sub modes of menu
[1] to [9], [10/0] :Selection of menu items
Cursor o/O:Increase/Decrease in manually
adjusted value
>.
2-1. Disc Type
Disc Type
Disc Type Select
1. Disc Type Auto Check
2. Set Disc Type DVD
3. Set Disc Type CD
4. Set Disc Type Hybrid
Exit: RETURN
2-1-1. Disc Type Auto Check
1) Press the [1] key on the remote commander to display the Disc
Type Auto Check screen.
2) Insert a disc and press the [ENTER] key on the remote
commander.
3) It judges the type of inserted disc automatically and displays
the disc type and so on as below.
Disc Type Auto Check
Disc Type xx
Layer xx
Mirr Time xx
Mirr Count xx
FZC Count xx
PI Reference xx
PI Peak xx
ENTER.Execute
Exit: RETURN
Disc Type : CD, DVD or Hybrid (SACD)
Layer : SINGLE, DUAL or HYBRID
Mirr Time : Mirror time of between disc surface and record
surface when disc type judgment. (hexadecimal
number)
Mirr Count : The number of times which mirror counts between
disc surface and record surface when disc type
judging.
FZC Count : The number of times which focus zero cross points
of each layer when lens down.
PI Reference : The average of PI reference voltage. (hexadecimal
number)
PI Peak : PI peak level voltage. It performs only when disc
type judgment is successful. (hexadecimal number)
2-1-2. Disc Type DVD
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]: DVD single layer disc (12 cm)
[2]: DVD dual layer disc (0 layer, 12 cm)
[3]: DVD dual layer disc (1 layer, 12 cm)
[4]: DVD-RW disc (12 cm)
[5]: DVD single layer disc (8 cm)
[6]: DVD dual layer disc (0 layer, 8 cm)
[7]: DVD dual layer disc (1 layer, 8 cm)
[8]: DVD-RW disc (8 cm)
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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19
HCD-WZ8D
2-3. Track/Layer Jump
Track/Layer Jump
1. 1Tj FWD
2. 1Tj REV
3.500Tj Fine FWD
4.500Tj Fine REV
5.10kTj Dirc FWD
6.10kTj Dirc REV
7.20kTj Dirc FWD
8.20kTj Dirc REV
0. All Servo Off
Exit: RETURN
On this screen, track jump, etc. can be performed. Only for the DVD
dual layer disc, the focus jump and layer jump are displayed in the
right field
[1] 1Tj FWD : 1 track jump forward.
[2] 1Tj REV : 1 track jump reverse.
[3] 500Tj FWD: 500 track jump (fine search)forward.
[4] 500Tj REV : 500 track jump (fine search) reverse.
[5] 10kTj FWD: 10k track jump (direct search) forward.
[6] 10kTj REV : 10k track jump (direct search) reverse.
[7] 20kTj FWD: 20k track jump (direct search) forward.
[8] 20kTj REV : 20k track jump (direct search) reverse.
[10/0] :All servo off.
2-4. Non EEPROM Write Adjust
Non EEPROM Write Adjust
1. Focus Offset
2. Focus Gain
3. Trk. Offset Coarse
4. Trk. Offset Fine
5. Trk. Gain
6. EQ Boost
0.All Servo Off
Exit: RETURN
On this screen, each item can be adjusted manually. Select the desired
number [1] to [10/0] from the remote commander, and current
setting for the selected item will be displayed, then increase or
decrease numeric value with the Okey or okey. This value is
stored in the EEPROM. If CLV has been applied, the jitter is
displayed for reference for the adjustment.
[1] Focus Offset : Adjusts focus offset.
[2] Focus Gain : Adjusts focus gain.
[3] TRK. Offset : Adjusts tracking offset of the RF amp
(IC001) side.
[4] TRK. Offset : Adjusts tracking offset of the DSP (IC401)
side.
[5] TRK. Gain : Adjusts track gain.
[6] EQ Boost : Adjusts amount of boost of equalizer.
[10/0] :All servo off.
2-1-3. Disc Type CD
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]: CD disc (normal speed, 12 cm)
[2]: CD disc (double speed, 12 cm)
[3]: CD disc (normal speed, 8 cm)
[4]: CD disc (double speed, 8 cm)
[5]: CD-RW disc (normal speed, 12 cm)
[6]: CD-RW disc (double speed, 12 cm)
[7]: CD-RW disc (normal speed, 8 cm)
[8]: CD-RW disc (double speed, 8 cm)
2-1-4. Disc Type Hybrid
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]: SACD Hybrid disc (SACD layer, 12 cm)
[2]: SACD Hybrid disc (CD layer, normal speed, 12 cm)
[3]: SACD Hybrid disc (CD layer, double speed, 12 cm)
[4]: SACD Hybrid disc (SACD layer, 8 cm)
[5]: SACD Hybrid disc (CD layer, normal speed, 8 cm)
[6]: SACD Hybrid disc (CD layer, double speed, 8 cm)
2-2. Servo Control
Note: Be sure to perform the disc type setup before performing this item.
Servo Control
1.LD off R.Sled FWD
2.Focus off L.Sled REV
3.SPDL off U.Sled Reset
4.CLVA off D.Sled Limit
5.Trk. off
6.Sled off
7.Fcs.Srch off
0.All Servo Off
Exit: RETURN
On this screen, the servo on/off control necessary for replay is
executed. Normally, turn on each servo from 1 sequentially and
when CLVA is turned on, the usual trace mode becomes active. In
the trace mode, DVD sector address or CD time code is displayed.
This is not displayed where the spindle is not locked.
The spindle could run overriding the control if the spindle system is
faulty or RF is not present. In such a case, do not operate CLVA.
[1] LD : Turn on/off the laser.
[2] Focus : Search the focus and turn on the focus.
[3] SPDL : Turn on/off the spindle.
[4] CLVA : Turn on/off normal servo of spindle servo.
[5] Trk. : Turn on/off the tracking servo.
[6] Sled : Turn on/off the sled servo.
[7] FCS. Srch : Turn on/off the focus search.
[10/0] :All servo off.
[R] Sled FWD (right cursor) : Move the sled forward.
[L] Sled REV (left cursor) : Move the sled reverse.
[U] Sled FWD (up cursor) : Reset the sled.
[D] Sled REV (down cursor): Limit in the sled.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

20
HCD-WZ8D
2-5. EEPROM Write Adjust
EEPROM Write Adjust
1. Focus Offset
2. Focus Gain
3. Trk. Offset Coarse
4. ——————
5. Trk. Gain
6. EQ Boost
0.All Servo Off
Exit: RETURN
On this screen, each item can be adjusted automatically. Select the
desired number [1] to [10/0] from the remote commander, and
selected item is adjusted automatically.
[1] Focus Offset : Adjusts focus offset.
[2] Focus Gain : Adjusts focus gain.
[3] TRK. Offset : Adjusts tracking offset of the RF amp
(IC001) side.
[5] TRK. Gain : Adjusts track gain.
[6] EQ Boost : Adjusts amount of boost of equalizer.
[10/0] :All servo off.
2-6. Memory Check
Display images are shown as follows, and all two screens are able
to switch by the Okey (UP) or okey (DW).
EEPROM Data 1/2 CD SL L0 L1
Focus Gain xx xx xx xx
Trk. Gain xx xx xx xx
Focus Offset xx xx xx xx
Trk. Offset xx xx xx xx
EQ. Boost xx xx xx xx
PI Level xx xx -- --
Fcs. Balance -- xx -- --
Jitter xx xx xx xx
Mirror Time xx xx xx --
FE Level -- xx -- --
Traverse Lv1. -- xx -- --
Next:DW Default:CLR Exit:RET
EEPROM Data 2/2 CDRW DVDRW
Focus Gain xx xx
Trk. Gain xx xx
Focus Offset xx xx
Trk. Offset xx xx
EQ. Boost xx xx
Prev:UP Default:CLR Exit:RET
On this screen, current servo adjusted data stored in the EEPROM
are displayed. The adjusted data are initialized by pressing the
[CLEAR] key, but be careful that they are not recoverable after
initialization.
Before clearing the adjusted data, make a note of the set data. This
screen will also appear if [0]-All is selected in the Drive Auto
Adjustment. In this case, default setting cannot be made.
2-7. Disc Check Memory
Disc Check Memory
1. SL Disc check
2. CD Disc check
3. DL Disc check
Exit: RETURN
On this screen, measure the mirror time of chucked disc, and write
to the EEPROM.
2-8. Error Rate Display
Error Rate Display
UC CR ADD
PI1 Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
PI2 Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
PO Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
Exit: RETURN
On this screen, measure and display the error rate.
UC : Incorrect value
CR : Correct value
Add : Address
2-9. SACD Water Mark Check (Not used)
SACD Water Mark Check
PSP AMP
PSN
Start: ENTER Stop: RETURN
On this screen, measure the PSPAMP value and PSN value of SACD
water mark.
w w w . x i a o y u 1 6 3 . c o m
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3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com