Read Sony HCD-WZ8D / MHC-WZ8D Service Manual online
HCD-WZ8D
AEP Model
UK Model
E Model
Australian Model
SERVICE MANUAL
CD/DVD PLAYER TUNER
SPECIFICATIONS
Ver 1.2 2004.10
• HCD-WZ8D is the tuner, and the CD/
DVD player section in MHC-WZ8D.
CD/DVD player section
Laser
Laser
Semiconductor laser
(DVD:
(DVD:
λ=650 nm,
CD:
λ=780 nm)
Emission duration:
continuous
continuous
Frequency response
DVD (PCM 48 kHz):
2 Hz – 22 kHz = (
2 Hz – 22 kHz = (
±1 dB)
CD: 2 Hz – 20 kHz =
(
(
±1 dB)
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):
and Australian models only) (Square optical connector
jack, rear panel):
Optical Wavelength:
660 nm
660 nm
AM tuner section
Tuning range
Latin American model:
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)
(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)
(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)
(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:
European and Russian models:
235 watts
0.3 watts (in Power Saving
Mode)
0.3 watts (in Power Saving
Mode)
Other models:
260 watts
Dimensions (w/h/d)
CD/DVD player/Tuner:
CD/DVD player/Tuner:
Approx. 255
× 135 ×
355 mm
Mass
CD/DVD player/Tuner:
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)
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.
without notice.
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
Russian model
Russian model
65.0 – 74.0 MHz
(There is no stereo effect)
87.5 – 108.0 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.
Power voltage is DC 9V and fed with STEREO
CASSETTE DECK AMPLIFIER (DXA-WZ8D)
from the external SYSTEM CONTROL connectors.
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
9-877-415-03
2004J16-1
© 2004.10
DVD
Model Name Using Similar Mechanism
HCD-SA30
Section
DVD Mechanism Type
CDM77A-DVBU20
Optical Pick-up Name
DBU-1
2
HCD-WZ8D
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
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.
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
• 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,
2-2. Front Panel Assy ···························································· 8
2-3. PANEL Board, CD-TC-SW Board,
ENTER-SW Board, BACK LIGHT Board,
LCD Board ···································································· 8
LCD Board ···································································· 8
2-4. 4CH-VOL Board, VIDEO Board ·································· 9
2-5. MAIN Board, REGULATOR Board,
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
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
– 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
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
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.
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.
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
BLOCK OR BASE UNIT
This appliance is
classified as a CLASS 1
LASER product. This
label is located on the
rear exterior.
classified as a CLASS 1
LASER product. This
label is located on the
rear exterior.
The following caution label is located inside the apparatus.
3
HCD-WZ8D
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE WITH
MARK
0
ON 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.
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
E2
: 120V AC area in E model
E3
: 240V AC area in E model
E15 : 220-240V AC area in E model
EA
EA
: Saudi Arabia model
KR : Korean 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.)
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
• 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
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!
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.
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.
also be added to ordinary solder.
JIG ON REPAIRING
Please use the following extension cables at the time of repair of
this set.
this set.
• Part No. J-2501-198-A (17P)
DMB03 board CN105 — VIDEO board CN801
• Part No. J-2501-212-A (5P)
MAIN board CN103 — MS-128 board CN001
• Part No. J-2501-244-A (21P)
DMB03 board CN107 — 4CH-VOL board CN303
NOTES ON DMB03 BOARD EXCHANGE
If a DMB03 board is exchanged, “DRIVE AUTO ADJUSTMENT”
may be unable to be performed. In this case, initialize a memory in
the following procedure.
may be unable to be performed. In this case, initialize a memory in
the following procedure.
1. Starting Test Mode (see page 15).
2. Press the 2 button of remote commander to set the Drive
2. Press the 2 button of remote commander to set the Drive
Manual Operation (see page 18).
3. Press the 6 button of remote commander to set the Memory
Check (see page 20).
4. Press the [CLEAR] button of remote commander to initialize
a memory.
[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.
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
SERVICING NOTES
Ver 1.2
RFMON signal waveform
• Standard value
Test Disc
RFMON level
Standard Value
DVD
TDV-520CSO
1.09
± 0.2Vp-p
(J-2501-236-A)
CD
LUV-P01
1.05
± 0.2Vp-p
(4-999-032-01)
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
RFMON level
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC509), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 16 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
(IC509), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 16 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
RFMON Level Check
Perform a RFMON level check before exchanging optical pick-up.
Measurement Point: DMB03 board CN501
13pin (RFMON) — 29pin (AGND)
MY
: Malaysia model
PH
: Philippines model
RU
: Russian model
SP
: Singapore model
TH
: Thai model
4
HCD-WZ8D
This section is extracted
from instruction manual.
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,
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
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
EQ EDIT qk (45, 60)
GROOVE 7 (43)
Headphone jack qd
KARAOKE/MPX
*2
qh (45)
MD (VIDEO) 2 (42, 55)
MIC LEVEL
MIC LEVEL
*2
ws (45)
Microphone jacks
*2*3
wd
MOVIE MODE 7 (43)
MPX
MPX
*4
qh (46)
MUSIC MODE 7 (43, 45)
PUSH ENTER 7 (12, 16, 17, 18,
PUSH ENTER 7 (12, 16, 17, 18,
19, 21, 23, 26, 28, 31, 36, 45,
46, 47, 48)
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)
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,
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)
z START (recording start) q;
z START (recording start) q;
(41, 46)
*1
Except for European, Russian
and Latin American models
and Latin American models
*2
Except for European and
Russian models
Russian models
*3
Microphone jacks for:
Latin American model: 1
Asian, Australian and Middle
Eastern models: 2
Latin American model: 1
Asian, Australian and Middle
Eastern models: 2
*4
European and Russian models
only
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.
parts of the system that are mentioned in the text.
Illustration number
r
TAPE A/B 3 (41, 42)
R
R
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.
1
Press
?/1
to turn on the system.
2
Press CLOCK/TIMER SET.
3
Press
M
or
m
repeatedly to set the hour.
4
Press
,
.
5
Press
M
or
m
repeatedly to set the
minute.
6
Press ENTER.
The clock starts working.
To adjust the clock
1
Press CLOCK/TIMER SET.
2
Press
M
or
m
repeatedly to select “CLOCK
SET?”, then press ENTER.
3
Do the same procedures as step 3 to 6
above.
above.
Setting the clock
