DAV-DZ230, DAV-DZ231, DAV-HDZ235, HCD-DZ230, HCD-DZ231, HCD-HDZ235 - Sony DVD Service Manual (repair manual)

dav-dz230, dav-dz231, dav-hdz235, hcd-dz230, hcd-dz231, hcd-hdz235 service manual
Model
DAV-DZ230 DAV-DZ231 DAV-HDZ235 HCD-DZ230 HCD-DZ231 HCD-HDZ235
Pages
92
Size
7.52 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dav-dz230-dav-dz231-dav-hdz235-hcd-dz230-hcd-dz231.pdf
Date

Read Sony DAV-DZ230 / DAV-DZ231 / DAV-HDZ235 / HCD-DZ230 / HCD-DZ231 / HCD-HDZ235 Service Manual online

SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
US Model
Canadian Model
HCD-HDZ235
AEP Model
UK Model
HCD-DZ230/DZ231
DVD RECEIVER
9-887-523-02
2007C16-1
© 2007.03
Ver. 1.1  2007.03
HCD-DZ230/DZ231/HDZ235
HCD-DZ230/DZ231/HDZ235 are the amplifier, DVD/CD and
tuner section in DAV-DZ230/DZ231/HDZ235.
SPECIFICATIONS
Model Name Using Similar Mechanism
HCD-DZ110
Mechanism Type
CDM85-DVBU102
Optical Pick-up Name
KHM-313CAA
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.
— Continued on next page —
Photo : HCD-DZ230
AUDIO POWER SPECIFICATIONS
for the US model (HDZ235)
POWER OUTPUT AND TOTAL HARMONIC 
DISTORTION:
With 3 ohms loads, both 
channels driven, from 120 
- 20,000 Hz; rated 84 watts 
per channel minimum 
RMS power, with no more 
than 0.7 % total harmonic 
distortion from 250 milli 
watts to rated output.
Amplifier section
Surround mode (reference)  RMS output power
FL/FR/C/SL/SR*: 142 watts 
(per channel at 3 ohms, 1 
kHz, 10 % THD)
Subwoofer*: 140 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/VIDEO (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN
Sensitivity: 250/125 mV
Outputs (Analog)
Phones
Accepts low-and high-
impedance headphones.
DVD system
Laser
 Semiconductor 
laser
(DVD: 
λ = 650 nm)
(CD: 
λ = 790 nm)
Emission duration: 
continuous
Signal format system
PAL (DZ230/DZ231),
NTSC (HDZ235)
Tuner section
System
PLL quartz-locked digital 
synthesizer
FM tuner section
Tuning range
North American models:
87.5-108.0 MHz (100 kHz 
step)
Other models:
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
North 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 models:
531 – 1,602 kHz (with the 
interval set at 9 kHz)
Antenna (aerial)
AM loop antenna (aerial)
Intermediate frequency
450 kHz
Stereo mode (rated)
108 W + 108 W (at 3 ohms,
1 kHz, 1 % THD)
(DZ230/DZ231)
Video section
Outputs:
DZ230/DZ231:
VIDEO: 1 Vp-p 75 ohms
R/G/B: 0.7 Vp-p 75 ohms
HDMI OUT: Type A (19 
pin)
HDZ235:
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
HDMI OUT: Type A (19 
pin)
2
HCD-DZ230/DZ231/HDZ235
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.
ATTENTION  AU  COMPOSANT  AYANT  RAPPORT
À  LA  SÉCURITÉ!
LES  COMPOSANTS  IDENTIFIÉS  PAR  UNE  MARQUE  
0
 SUR
LES  DIAGRAMMES  SCHÉMATIQUES  ET  LA  LISTE  DES
PIÈCES  SONT  CRITIQUES  POUR  LA  SÉCURITÉ  DE
FONCTIONNEMENT.  NE  REMPLACER  CES  COM-  POSANTS
QUE  PAR  DES  PIÈCES  SONY  DONT  LES  NUMÉROS  SONT
DONNÉS  DANS  CE  MANUEL  OU  DANS  LES  SUPPLÉMENTS
PUBLIÉS  PAR  SONY.
SAFETY  CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE  TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable.  (See
Fig. A)
1.5 k
0.15 
µ
F
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
Fig. A.
Using an AC voltmeter to check AC leakage.
MODEL IDENTIFICATION
– Rear Panel –
Model
Part No.
DZ230 : AEP, UK models
2-889-997-0
[]
DZ231 : AEP, UK models
2-889-997-1
[]
HDZ235 : US, CND models
2-889-997-2
[]
Abbreviation
CND : Canadian model
COAXIAL
AM
FM75
EURO AV
OUTPUT(TO TV)
(DVD ONLY)
OUT
DMPORT
FRONT R
CENTER
WOOFER
FRONT L
SUR R
SUR L
SPEAKER
SPEAKER
Parts No.
Special Component Notice
The components identified by mark 9  contain confidential
information.
Strictly follow the instructions whenever the components are repaired
and/or replaced.
Notice pour composants spéciaux
Les composants identifiés par la marque 9  contiennent des
informations confidentielles.
Suivre scrupuleusement les instructions chaque fois qu’un
composant est remplacé et / ou réparé.
General
Power requirements
120 V AC, 60 Hz
Power consumption
On: 150 W
Standby: 0.3 W (at the 
Power Saving mode) 
Dimensions (approx.)
430 
× 63 × 380 mm (17 ×  
1
/
2
 
× 15 inches) (w/h/d) 
incl. projecting parts
Mass (approx.)
4.1 kg (9 lb 1 oz)
Design and specifications are subject to change 
without notice.
Power requirements
220 – 240 V AC, 50/60 Hz 
Power outputs (DIGITAL MEDIA PORT)
DC OUT: 5 V, 700 mA 
DZ230/DZ231:
HDZ235:
3
HCD-DZ230/DZ231/HDZ235
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.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
This appliance is classified as
a CLASS 1 LASER product.
This marking is located on
the rear exterior.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
When the self-diagnosis function is activated to 
prevent the system from malfunctioning, a 5-
character service number (e.g., C 13 50) with a 
combination of a letter and 4 digits appears on 
the screen and the front panel display. In this 
case, check the following table.
When displaying the version 
number on the screen
When you turn on the system, the version 
number [VER.X.XX] (X is a number) may 
appear on the screen. Although this is not a 
malfunction and for Sony service use only, 
normal system operation will not be possible. 
Turn off the system, and then turn on the system 
again to operate.
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.
,Restart the system, then re-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
4
HCD-DZ230/DZ231/HDZ235
TABLE OF CONTENTS
1.
SERVICING NOTE
...................................................
5
2.
GENERAL
...................................................................
9
3.
DISASSEMBLY
3-1.
Disassembly Flow ........................................................... 12
3-2.
Case (DS), Front Panel Assy ........................................... 13
3-3.
FL Board .......................................................................... 14
3-4.
JACK Board, P-SW Board .............................................. 15
3-5.
DMPORT Board (DZ230/DZ231), Tuner (FM/AM) ...... 15
3-6.
IO-SCART Board (DZ230/DZ231) ................................. 16
3-7.
IO-S-OUT Board (HDZ235) ........................................... 16
3-8.
POWER Board ................................................................ 17
3-9.
SPEAKER Board, D.C. Fan ............................................ 17
3-10. MAIN Board .................................................................... 18
3-11. DVD Mechanism Deck (CDM85-DVBU102) ................ 19
3-12. Tray .................................................................................. 19
3-13. Belt, MS-203 Board ........................................................ 20
3-14. Optical Pick-up (KHM-313CAA) ................................... 21
4.
TEST MODE
............................................................... 22
5.
ELECTRICAL ADJUSTMENT
............................. 27
6.
DIAGRAMS
6-1.
Block Diagram  – RF Section – ....................................... 30
6-2.
Block Diagram  – VIDEO Section – ............................... 31
6-3.
Block Diagram  – AUDIO Section – ............................... 32
6-4.
Block Diagram  – AMP Section – ................................... 33
6-5.
Block Diagram  – POWER Section – .............................. 34
6-6.
Printed Wiring Board  – MAIN Board (Side A) – ........... 35
6-7.
Printed Wiring Board  – MAIN Board (Side B) – ........... 36
6-8.
Schematic Diagram  – MAIN Board (1/9) – ................... 37
6-9.
Schematic Diagram  – MAIN Board (2/9) – ................... 38
6-10. Schematic Diagram  – MAIN Board (3/9) – ................... 39
6-11. Schematic Diagram  – MAIN Board (4/9) – ................... 40
6-12. Schematic Diagram  – MAIN Board (5/9) – ................... 41
6-13. Schematic Diagram  – MAIN Board (6/9) – ................... 42
6-14. Schematic Diagram  – MAIN Board (7/9) – ................... 43
6-15. Schematic Diagram  – MAIN Board (8/9) – ................... 44
6-16. Schematic Diagram  – MAIN Board (9/9) – ................... 45
6-17. Printed Wiring Board  – MS-203 Board – ....................... 46
6-18. Schematic Diagram  – MS-203 Board – ......................... 46
6-19. Printed Wiring Board  – IO-SCART Board
(DZ230/DZ231) – ............................................................ 47
6-20. Schematic Diagram  – IO-SCART Board
(DZ230/DZ231) – ............................................................ 48
6-21. Printed Wiring Board  – IO-S-OUT Board (HDZ235) – . 49
6-22. Schematic Diagram  – IO-S-OUT Board (HDZ235) – ... 50
6-23. Printed Wiring Boards  – FL, JACK Board – .................. 51
6-24. Schematic Diagram  – FL Board – .................................. 52
6-25. Schematic Diagram  – JACK Board – ............................. 53
6-26. Printed Wiring Board
– DMPORT Board (DZ230/DZ231) – ............................ 54
6-27. Schematic Diagram
– DMPORT Board (DZ230/DZ231) – ............................ 54
6-28. Printed Wiring Boards  – SPEAKER, P-SW Board – ..... 55
6-29. Schematic Diagram  – SPEAKER, P-SW Board – ......... 55
6-30. Printed Wiring Board  – POWER Board – ...................... 56
6-31. Schematic Diagram  – POWER Board – ......................... 57
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 70
7-2.
Front Panel Section ......................................................... 71
7-3.
Chassis Section ................................................................ 72
7-4.
DVD Mechanism Deck Section (CDM85-DVBU102) ... 73
8.
ELECTRICAL PARTS LIST
.................................. 74
Page of 92
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Here you can read online and download Sony DAV-DZ230 / DAV-DZ231 / DAV-HDZ235 / HCD-DZ230 / HCD-DZ231 / HCD-HDZ235 Service Manual in PDF. DAV-DZ230 / DAV-DZ231 / DAV-HDZ235 / HCD-DZ230 / HCD-DZ231 / HCD-HDZ235 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony DAV-DZ230 / DAV-DZ231 / DAV-HDZ235 / HCD-DZ230 / HCD-DZ231 / HCD-HDZ235 DVD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.