Samsung DVD-HD850 Service Manual

DVD PLAYER

SERVICE

ŒŒ

45mm With VFD

´´

Front Panel with Haif-Mirror

ˇˇ

ZORAN Vaddis7 1-Chip Solution

¨¨

HDMI(High-Definition Multimedia Interface)

Manual

DVD PLAYER

Merit & Character regarding Product

SERVICE MANUAL

DVD-HD850

EZ VIEW

DVD-HD850

ELECTRONICS

© Samsung Electronics Co., Ltd. FEB . 2005

Printed in Korea

AK82-00719A

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

international and/or domestic law.

Chassis : Spino Hyper Vision
DVD-HD850 /

AFR, CDM, CHN, ELT, FES, FOU,
GEN, HACO, RAD, RCL, SAM, SED,
SMR, STR, TAW, TWN, UMG, XAO,
XAP, XAX, XAZ, XBG, XEC, XEE, XEG,
XEH, XEL, XEO, XET, XEU, XEV, XFA,
XSA, XSE, XSG, XSH, XSS, XST, XSV,
XTC, XTL

CONTENTS

1. Precautions (1-1 ~ 1-6)

2. Product Specification (2-1 ~ 2-12)

3. Alignment and Adjustments (3-1 ~ 3-4)

4. Disassembly and Reassembly (4-1 ~ 4-10)

5. Trouble Shooting (5-1 ~ 5-8)

6. Exploded View and Parts List (6-1 ~ 6-6)

7. Electrical Parts List (7-1 ~ 7-10)

8. Block Diagram (8-1 ~ 8-2)

9. Wiring Diagram (9-1 ~ 9-2)

10. PCB Diagrams (10-1 ~ 10-4)

11. Schematic Diagrams (11-1 ~ 11-10)

12. Operating Instructions and Installation (12-1 ~ 12-26)

13. Circuit Operating Descriptions (13-1 ~ 13-16)

14. Reference Information (14-1 ~ 14-8)

Samsung Electronics 1-1

1. Precautions

1-1 Safety Precautions

1) Before returning an instrument to the customer,
always make a safety check of the entire instrument,
including, but not limited to, the following items:

(1) Be sure that no built-in protective devices are

defective or have been defeated during servicing.
(1)Protective shields are provided to protect both
the technician and the customer. Correctly replace
all missing protective shields, including any
removed for servicing convenience.
(2)When reinstalling the chassis and/or other as­sembly in the cabinet, be sure to put back in place
all protective devices, including, but not limited to,
nonmetallic control knobs, insulating fish papers,
adjustment and compartment covers/shields, and
isolation resistor/capacitor networks. Do not oper­ate this instrument or permit it to be operated with­out all protective devices correctly installed and
functioning.

(2) Be sure that there are no cabinet openings through

which adults or children might be able to insert
their fingers and contact a hazardous voltage. Such
openings include, but are not limited to, excessive­ly wide cabinet ventilation slots, and an improper­ly fitted and/or incorrectly secured cabinet back
cover.

(3) Leakage Current Hot Check-With the instrument

completely reassembled, plug the AC line cord
directly into a 120V AC outlet. (Do not use an iso­lation transformer during this test.) Use a leakage
current tester or a metering system that complies
with American National Standards institute (ANSI)
C101.1 Leakage Current for Appliances and
Underwriters Laboratories (UL) 1270 (40.7). With
the instrument’s AC switch first in the ON position
and then in the OFF position, measure from a
known earth ground (metal water pipe, conduit,
etc.) to all exposed metal parts of the instrument
(antennas, handle brackets, metal cabinets, screw­heads, metallic overlays, control shafts, etc.), espe­cially any exposed metal parts that offer an electri­cal return path to the chassis.

Any current measured must not exceed 0.5mA.
Reverse the instrument power cord plug in the out­let and repeat the test. See Fig. 1-1.

Any measurements not within the limits specified
herein indicate a potential shock hazard that must
be eliminated before returning the instrument to
the customer.

Fig. 1-1 AC Leakage Test

(4) Insulation Resistance Test Cold Check-(1) Unplug

the power supply cord and connect a jumper wire
between the two prongs of the plug. (2) Turn on the
power switch of the instrument. (3) Measure the
resistance with an ohmmeter between the
jumpered AC plug and all exposed metallic cabinet
parts on the instrument, such as screwheads,
antenna, control shafts, handle brackets, etc. When
an exposed metallic part has a return path to the
chassis, the reading should be between 1 and 5.2
megohm. When there is no return path to the chas­sis, the reading must be infinite. If the reading is
not within the limits specified, there is the possibil­ity of a shock hazard, and the instrument must be
repaired and rechecked before it is returned to the
customer. See Fig. 1-2.

Fig. 1-2 Insulation Resistance Test

DEVICE
UNDER

TEST

(READING SHOULD

NOT BE ABOVE

0.5mA)

LEAKAGE
CURRENT

TESTER

EARTH

GROUND

TEST ALL

EXPOSED METER

SURFACES

ALSO TEST WITH

PLUG REVERSED

(USING AC ADAPTER

PLUG AS REQUIRED)

2-WIRE CORD

Antenna
Terminal

Exposed
Metal Part

ohm

ohmmeter

Precautions

1-2 Samsung Electronics

2) Read and comply with all caution and safety re­lated notes on or inside the cabinet, or on the chas­sis.

3) Design Alteration Warning-Do not alter or add to
the mechanical or electrical design of this instru­ment. Design alterations and additions, including
but not limited to, circuit modifications and the
addition of items such as auxiliary audio output
connections, might alter the safety characteristics of
this instrument and create a hazard to the user. Any
design alterations or additions will make you, the
servicer, responsible for personal injury or property
damage resulting therefrom.

4) Observe original lead dress. Take extra care to
assure correct lead dress in the following areas:
(1) near sharp edges, (2) near thermally hot parts (be
sure that leads and components do not touch ther­mally hot parts), (3) the AC supply, (4) high voltage,
and (5) antenna wiring. Always inspect in all areas
for pinched, out-of-place, or frayed wiring, Do not
change spacing between a component and the
printed-circuit board. Check the AC power cord for
damage.

5) Components, parts, and/or wiring that appear to
have overheated or that are otherwise damaged
should be replaced with components, parts and/ or
wiring that meet original specifications.
Additionally, determine the cause of overheating
and/or damage and, if necessary, take corrective
action to remove any potential safety hazard.

6) Product Safety Notice-Some electrical and mechani­cal parts have special safety-related characteristics
which are often not evident from visual inspection,
nor can the protection they give necessarily be
obtained by replacing them with components rated
for higher voltage, wattage, etc. Parts that have spe­cial safety characteristics are identified by shading,
an ( )or a ( )on schematics and parts lists. Use
of a substitute replacement that does not have the
same safety characteristics as the recommended
replacement part might create shock, fire and/or
other hazards. Product safety is under review con­tinuously and new instructions are issued whenev­er appropriate.

Precautions

Samsung Electronics 1-3

1-2 Servicing Precautions

CAUTION : Before servicing units covered by this
service manual and its supplements, read and follow
the Safety Precautions section of this manual.

Note : If unforseen circumstances create conflict
between the following servicing precautions and any
of the safety precautions, always follow the safety pre­cautions. Remember: Safety First.

1-2-1 General Servicing Precautions

(1) a. Always unplug the instrument’s AC power cord

from the AC power source before (1) re-moving
or reinstalling any component, circuit board,
module or any other instrument assembly, (2)
disconnecting any instrument electrical plug or
other electrical connection, (3) connecting a test
substitute in parallel with an electrolytic capaci­tor in the instrument.

b. Do not defeat any plug/socket B+ voltage inter-

locks with which instruments covered by this
service manual might be equipped.

c. Do not apply AC power to this instrument and

/or any of its electrical assemblies unless all
solid-state device heat sinks are correctly in­stalled.

d. Always connect a test instrument’s ground lead

to the instrument chassis ground before connect­ing the test instrument positive lead. Always
remove the test instrument ground lead last.

Note : Refer to the Safety Precautions section ground
lead last.

(2) The service precautions are indicated or printed on

the cabinet, chassis or components. When servic­ing, follow the printed or indicated service precau­tions and service materials.

(3) The components used in the unit have a specified

flame resistance and dielectric strength.
When replacing components, use components
which have the same ratings. Components identi­fied by shading, by( ) or by ( ) in the circuit dia­gram are important for safety or for the characteris­tics of the unit. Always replace them with the exact
replacement components.

(4) An insulation tube or tape is sometimes used and

some components are raised above the printed
wiring board for safety. The internal wiring is
sometimes clamped to prevent contact with heat­ing components. Install such elements as they
were.

(5) After servicing, always check that the removed

screws, components, and wiring have been in­stalled correctly and that the portion around the
serviced part has not been damaged and so on.
Further, check the insulation between the blades of
the attachment plug and accessible conductive
parts.

1-2-2 Insulation Checking Procedure

Disconnect the attachment plug from the AC outlet
and turn the power ON. Connect the insulation resi­stance meter (500V) to the blades of the attachment
plug. The insulation resistance between each blade of
the attachment plug and accessible conductive
parts(see note) should be more than 1 Megohm.

Note : Accessible conductive parts include metal pan­els, input terminals, earphone jacks, etc.

Precautions

1-4 Samsung Electronics

1-3 ESD Precautions

Electrostatically Sensitive Devices (ESD)

Some semiconductor (solid state) devices can be dam­aged easily by static electricity.
Such components commonly are called Electrostati­cally Sensitive Devices(ESD). Examples of typical ESD
devices are integrated circuits and some field-effect
transistors and semiconductor chip components. The
following techniques should be used to help reduce
the incidence of component damage caused by static
electricity.

(1) Immediately before handling any semiconductor

component or semiconductor-equipped assembly,
drain off any electrostatic charge on your body by
touching a known earth ground. Alternatively,
obtain and wear a commercially available dis­charging wrist strap device, which should be
removed for potential shock reasons prior to apply­ing power to the unit under test.

(2) After removing an electrical assembly equipped

with ESD devices, place the assembly on a conduc­tive surface such as aluminum foil, to prevent elec­trostatic charge buildup or exposure of the assem­bly.

(3) Use only a grounded-tip soldering iron to solder or

unsolder ESD devices.

(4) Use only an anti-static solder removal devices.

Some solder removal devices not classified as
“anti-static” can generate electrical charges suffi­cient to damage ESD devices.

(5) Do not use freon-propelled chemicals. These can

generate electrical charges sufficient to damage
ESD devices.

(6) Do not remove a replacement ESD device from its

protective package until immediately before your
are ready to install it.(Most replacement ESD
devices are packaged with leads electrically short­ed together by conductive foam, aluminum foil or
comparable conductive materials).

(7) Immediately before removing the protective ma-

terials from the leads of a replacement ESD device,
touch the protective material to the chassis or cir­cuit assembly into which the device will be
installed.

CAUTION : Be sure no power is applied to the ch­assis or circuit, and observe all other safety precau­tions.

(8) Minimize bodily motions when handling unpack-

aged replacement ESD devices. (Otherwise harm­less motion such as the brushing together of your
clothes fabric or the lifting of your foot from a car­peted floor can generate static electricity sufficient
to damage an ESD device).

Precautions

Samsung Electronics 1-5

1-4 Handling the optical pick-up

The laser diode in the optical pick up may suffer elec­trostatic breakdown because of potential static elec­tricity from clothing and your body.

The following method is recommended.
(1) Place a conductive sheet on the work bench (The

black sheet used for wrapping repair parts.)

(2) Place the set on the conductive sheet so that the

chassis is grounded to the sheet.

(3) Place your hands on the conductive sheet(This

gives them the same ground as the sheet.)

(4) Remove the optical pick up block

(5) Perform work on top of the conductive sheet. Be

careful not to let your clothes or any other static
sources to touch the unit.

◆ Be sure to put on a wrist strap grounded to the
sheet.

◆ Be sure to lay a conductive sheet made of copper
etc. Which is grounded to the table.

Fig.1-3

(6) Short the short terminal on the PCB, which is in-

side the Pick-Up ASS’Y, before replacing the Pick­Up. (The short terminal is shorted when the Pick­Up Ass’y is being lifted or moved.)

(7) After replacing the Pick-up, open the short termi-

nal on the PCB.

THE UNIT

WRIST-STRAP
FOR GROUNDING

1M

1M

CONDUCTIVE SHEET

Precautions

1-6 Samsung Electronics

1-5 Pick-up disassembly and reassembly

1-5-1 Disassembly

1) Remove the power cord.

2) Disassemble the Deck-Assy.

3) Make solder land 2 points short on Pick-up.
(See Fig. 1-4)

4) Disassemble the Pick-up.

1-5-2 Assembly

1) Replace the Pick-up.

2) Remove the soldering 2 points on Pick-up.

3) Reassemble the Deck-Assy.

PICK-UP ASS'Y

SOLDER LAND 2 POINTS SHORT

Note : If the assembly and disassembly are not done in correct sequence, the Pick-up may be damaged.

Fig. 1-4

Power Requirements AC120-240V, 60/50Hz
Power Consumption 12W

General

Weight 2.3Kg
Dimensions 430mm (W) x 250mm (D) x 49mm (H)
Operating Temperature Range +5°C to 35°C
Operating Humidity Range 10% to 75%

DVD

Reading Speed : 3.49 ~ 4.06m/sec.

(Digital Versatile Disc)

Approx. Play Time
(Single Sided, Single Layer Disc) : 135min.

CD : 12Cm Reading Speed : 4.8 ~ 5.6m/sec.

Disc (Compact Disc) Maximum Play Time : 74min.

CD : 8cm Reading Speed : 4.8 ~ 5.6m/sec.
(Compact Disc) Maximum Play Time : 20min.

VCD : 12Cm

Reading Speed : 4.8 ~ 5.6m/sec.
Maximum Play Time : 74min. (Video+Audio)

Composite Video 1 channel ; 1.0Vp-p (75ohm load)

R (Red) : 0.7 Vp-p (75ohm load)
G (Green) : 0.7 Vp-p (75ohm load)

SCART Jack B (Blue) : 0.7 Vp-p (75ohm load)

Composite Video : 1.0 Vp-p (75ohm load)

Video Output

Luminance Signal : 1.0 Vp-p (75ohm load)
Color Signal : 0.3 Vp-p (75ohm load)
Y: 1.0 Vp-p (75ohm load)

Component Video Pr: 0.70 Vp-p (75ohm load)

Pb: 0.70 Vp-p (75ohm load)

S-Video

Luminance Signal : 1.0Vp-p (75ohm load)

Chrominance Signal : 0.3Vp-p (75ohm loa)
HDMI High Definition Multimedia Interface (576p, 720p, 768p, 1080i)
SCART Jack 2 Channel : L(1/L), R(2/R)
2 Channel L(1/L), R(2/R)

Audio Output

*Ferquency Response

48KHz Sampling : 4Hz to 22KHz

96KHz Sampling : 4Hz to 44KHz
*S/N Ratio 110dB
*Dynamic Range 100dB
*Total Harmonic Distortion 0.004%

Samsung Electronics

2-1

2. Product Specification

2-1 Product Specification

* : Nominal specification

Product Specification

2-2

Samsung Electronics

2-2 Chassis Product Specification

Model DVD-HD850

DVD-HD945

DVD-HD841/XAA

Flash 2M 2M 2M

RF Ti-D Ti-D Ti-D

Drive F AN8026 FAN8026 FAN8026

A/V ZR36778 ZR36778 ZR36778

6dB_AMP LA73054 LA73054 PCM1753

HD/DV ZR36721 ZR36721 ZR36721

DAC DSD1608 X

SACD SAA7893 X

X

X

3D

DTS Digi Digi Digi

D-Audio

SACD

M/Card

MPEG4

MP3
P -CD
WMA

VCD

SVCD

X

X

X

X

X

X

X

X

XX

X

O
O

O
O
O

O
O

OO

O

O
O

O

O

O
O
O
O

O

Product Specification

2-3

Samsung Electronics

2-3 Option Product Specification

Remote

Control

(AK59-00038A)

Batteries for

Remote Control

(AAA Size)

(AC43-12002H)

User ’s Manual

(AK68-00631G)

Video/Audio

Cable

(AC39-42001R)

HDMI Cable

(MF39-00299A)

Description Fig

Description

Parts No Remark

Model Standard of

DVD-HD850/XEL

Model Standard of

DVD-HD850/XEL

(S.N.A)

Model Standard of

DVD-HD850/XEL

Model Standard of

DVD-HD850/XEL

Model Standard of

DVD-HD850/XEL

(OPTIONAL)

Product Specification

2-4

Samsung Electronics

2-4 Introduction to DVD

2-4-1 The Definition of DVD

DVD is the next generation medium and is the acronym of the Digital Versatile Disc or the Digital Video Disc,
which maximizes the saving density of the disk surface using the MPEG-2 compression technology to enable the
storage of 17G bytes of data on the same size CD.

1) 7 times the storage capacity of the conventional CD

◆ Minimized the track pitch and pit size to 1/2 of conventional CD.

◆ Uses red laser with short-wavelenght of 650nm (635nm).

⌘ DVD Vs. CD-ROM

DVD

CD-ROM

Single-Layer Dual-Layer

Laser Wavelength 650nm (635nm) 780nm

Track Pitch 0.75um 1.6um

Disc Diameter 120mm

Disc Thickness 1.2 (0.6 x 2) mm 1.2mm

Linear Velocity 3.49m/s 3.84m/s 1.2 ~ 1.4m/s

2) Disc Formats

DVD consists of two 0.6mm discs attached together, enabling access to the upper and lower side of the disk,
and 4 sides could be used at maximum.

Single Layer : 4.7GByte

Polycarbonate

Label

Bonding layer
Reflective layer

Polycarbonate

Label
Polycarbonate

Bonding layer

Reflective layer
Semi-reflective layer

Polycarbonate

Dual Layer : 8.5GByte

Bonding layer
Reflective layer

Reflective layer

Polycarbonate

Polycarbonate

Dual Side Single Layer : 9.5GByte

Polycarbonate

Bonding layer

Reflective layer
Reflective layer

Semi-reflective layer

Semi-reflective layer

Polycarbonate

Dual Side Dual Layer : 17GByte

Product Specification

2-5

Samsung Electronics

2-4-2 DVD Types

FORMAT TYPE APPLICATIONS

DVD-Video Playback Only High quality image and sound for movies and other video media.

DVD-ROM Read Only Multi-functional, multi-midia software that requires large storage capacity.

DVD-Audio Playback Only High quality sound that exceeds the CD, multi-channel Audio.

DVD-R 1 Time Recording Storage media for the computer.

DVD-RAM Rewritable Data access/storage media for the computer.

Product Specification

2-6

Samsung Electronics

2-5 DVD-Video Fromat

2-5-1 Main Features

1) Able to store up to 160 minutes of Movie by utilizing the MPEG-2 compression technology. ( Aver. 133min.)

2) Enables more than 500 lines of horizontal resolution. (Class corresponding to the Master Tapes used in
broadcasting stations)

3) Provides Dolby Digital 5.1ch Surround 3D sound, which enables theater quality sound (NTSC area).

◆ For PALareas, 1 of either MPEG-2 Audio or Dolby Digital must be selected.

4) Multi-Language

◆ Able to store up to 8 languages of dubbing.

◆ Able to store up to 32 subtitle languages.

5) Milti-Aspect Ratio

3TV Mode alternatives ; 16:9 Wide Screen (DVD Basic)/4:3 Pan & Scan/Letter Box.

6) Multi-Story

Possible to implement Interactive Viewing which enables the user to select the scenario.

7) Multi-Angle

Able to view the camera angle you selected among the scenes recorded with multiple camera angles.

Note ; The above media features must have the DVD Title that contains the appropriate contents to function

properly.

2-5-2 Audio & Video Specifications

Classification DVD-Video Video-CD LD

Compression MPEG-2 MPEG-1

Analog

Pixel 720 x 480 352 x 240

VIDEO

Horizontal resolution Max. 500 Lines Max. 250 Lines Max.420 Lines

Compression rate 1/40 1/140

Analog

Transmission speed Max. 9.8Mbps (variable) 1.15Mbps (fixed)

TV aspect 16:9 / 4:3 4:3 4:3

Audio Max. 8 streams 2CH stereo

Recording type Dolby Digital Linear PCM MPEG-1 Layer 2

AUDIO Transmission rate 448Kbps/stream 6.144Mbps/stream 224Kbps

or

Channel 5.1CH/stream 8CH/stream 2CH

Sampling frequency 48KHz 16, 20, 24Bit/48, 96KHz 16Bit/44.1KHz

2 Analog CH.
2 Digital CH.

(16Bit/44.1KHz)

1 Analog CH.

1 Stream of Dolby Digital

2 Digital CH.

(16Bit/44.1KHz)

Product Specification

2-7

Samsung Electronics

2-5-3 Detailed Feature

As the storage capacity increases, the DVD-Video separates the main data and the additional data such as the
Multi-Function into different data areas, enabling the control of time-data ratio to provide the format that enables
the flexible Software development

◆ 1 Movie (3.5Mbps)
+ Subtitle (1 Language)
+ Surround Audio (1 Language)
= 160min storage (4.673Gbytes)

◆ 1 Movie (3.5Mbps)
+ Subtitle (4 Language)
+ Surround Audio (4 Language)
= 160min storage (4.680Gbytes)

◆ 1 Music Video (4Mbps)
+ 2ch High quality Audio (96kHz/24bit)
= 72min storage (4.648Gbytes)

DVD-Video Feature 1 When Developing the DVD Software, various addition and modification is possible.

DVD-Video uses the variable compresion technology, the MPEG-2 to compress the moving image optimally, mini­mizing the Data loss to Provide a clear, natural screen while increasing the storage time.

DVD-Video Feature 2 Application of the MPEG-2 compression technology.

◆ MPEG-2 (Variable compression : Max. 1/40)
✓ Field unit compression.

DVD-Video

✓ Compression rate change according to the amount of Data.
✓ Differentiates the still image anf the moving image

compression rete, reducing Data loss and enables
efficient compression.

◆ MPEG-1 (Fixed compression : Max. 1/140)

✓ Frame unit compression.

Video-CD

✓ Compresses all data using the same ratio.

- Fast movements are jagged, and unnatural

Amount of data

Amount of data

Time

Loss area

Time

Product Specification

2-8

Samsung Electronics

DVD-Video can store the audio using the 5.1ch Dolby Digital compression or the advanced Liner PCM method,
providing the better-than-CD quality and theater like audio quality.

◆ Dolby Digital (AC-3)
✓ Unlike the traditional Dolby pro-Logic method, the Dolby Digital method separates all 5 main channels

(Front L/R, Center, Surround (Rear) L/R)and the Sub woofer to provide live surround audio.

✓ Using the Down Mix method, the conventional Dolby Pro-Logic and Stereo are all compatible.
✓ Each separated channels are played back at CD quality sound. (Frequency band: 20Hz ~ 20KHz)

◆ Linear PCM (Pulse Code Modulation)
✓ Provides the high quality Digital sound without the audio data compression.
✓ Various Digital Recordings are possible as shown in the table to the right.

DVD-Video Feature 3 High quality surround audio.

Sampling Frequency Bit Rate

16bit

48KHz 20bit

24bit
16bit

96KHz 20bit

24bit

◆ Dolby Digital compatible Audio Mode

Audio Coding

Channel Format

Mode

Front Surround (Rear) Remark

LCRLR

1/0 O Mono
2/0 OO Stereo
3/0 OOO
2/1 OOMono
3/1 OOO Mono Surround
2/2 OOOO
3/2 OOOOO

Product Specification

2-9

Samsung Electronics

◆ Audio Dubbing - Max. 8 Languages

◆ Subtitle - Max. 32 Languages. Capable of storing, and selectiong.

◆ Linear PCM (Pulse Code Modulation)

DVD-Video Feature 4 Multi-Language

◆ Unlike the conventional VCD or LD, DVD-Video has the default of 16:9 Wide, and can be viewed using the
conventional 4:3 TV, enabling the expansion of viewer selection capabilities.

✓ 16 : 9 TV : Wide Mode (16:9 Wide Full Screen)
✓ 4 : 3 TV : Letter Box Mode, Pan & Scan Mode

DVD-Video Feature 5 Multi-Aspect

4:3 Pan & Scan

16:9 Wide

4:3 Letter Box

◆ Up to 9 angles of view may be stored, enabling the viewer to select a specific viewpoint at a given time.

--> Especially, for the Music Video and Sports Title, this provides a more lively image of the scene.

DVD-Video Feature 6 Multi-Angle

Note ; Only enable to be worked correctly by an appropriate data supported this function in Disc.

Note ; Only enable to be worked correctly by an appropriate data supported this function in Disc.

Product Specification

2-10

Samsung Electronics

◆ DVD-Video provides the enviroment suitable for the bi-directional Software develoment, providing multiple
scenarios. This feature enables the Multi-Story function.

DVD-Video Feature 7

Multi-Story

◆ For the titles that are not suitable for children viewing, Parental Locks are set, requesting user defined
passwords for viewing

◆ Parential Locks may be set on specific frames of the Title, enabling the player to skip those frames during
playback.

OPTION Parental Lock

◆ Classify the world into 6 regions, and if the DVD Title and the Player’s “Reginal Code” do not agree, playback
is prohibited.

⌘ Regionnal Coding is optional for the Soft developers (Region 0 All Code), but the Hardware developers

must adopt the appropriate regionnal code for sale.

✓ Region 1 : The United States and its territories, Canada.
✓ Region 2 : Europe, Japan, Greenland, Egypt, South Africa, the Middle East.
✓ Region 3 : Taiwan, Hongkong, Korea, South East Asia.
✓ Region 4 : Mexico, South America, Australia, New Zealand.
✓ Region 5 : Russia, Eastern Europe, India, Africa.
✓ Region 6 : China.
✓ Region 0 : Worldwide (All Code)

COPYRIGHT Regional Code & Macrovision

◆ Adoptation of the Macrovision System disables the copying on to other media.

Œ

Œ

¨

¨

Œ

´

ˇ

ˆ

Ø

´

´

ˆ

Product Specification

2-11

Samsung Electronics

◆ The image quality of the DVD-Video may vary accoring to the quality of the Master and the Authoring Process

✓ The image quality of the DVD-Video varies according to the Digital Mastering Source such as the

conventional LD, VCD, or Original Film.

✓ Different Authoring Process are used accoring to the Software developers, and this may affect the

DVD image quality.

⌘ Authoring Process

Remark DVD-Video Authoring Process

Video/Audio

Master

Surround Audio

Master

Subtitle

Master

MPEG-2

Encoding

AC-3/MPEG Audio

Encoding

Cutting
Master

Disc

Production

Subtitle

Encoding

Authoring Process

Video/Audio

Subtitle

Multiplexing

bit stream

bit stream

bit stream

Product Specification

2-12

Samsung Electronics

MEMO

Samsung Electronics 3-1

3. Alignment and Adjustment

3-1 Location of Test Point

Fig. 3-1 Location of Test Point

RIC1

SP37239

RIC1

SP37239

Pin29 of RIC1

Alignment and Adjustment

3-2 Samsung Electronics

3-2-1 Adjustment Spec. and Test Point

3-2 Skew Adjustment

Test Disc Adjustment Spec. Test Point Adjustment Location

TDV-533 “Pin 29 of RIC1” Screw A / B

Chapter 14 Flat Waveform (Main PCB - Component Side) Ass’y Deck - Top Side

(See Fig. 3-1) (See Fig. 3-2)

Fig. 3-2 Ass’y Deck (Top Side)

◆ Test Disc ; Service not Available

<Table 3-1>

Alignment and Adjustment

Samsung Electronics 3-3

3-2-2 SKEW Adjustment Method

Needed to minimize the variations in Skew of the Pickup unit and to provide optimum match with the recorded
signal on the Disc.

1) Connect an Oscilloscope to the “Pin 29 of RIC1” Test Point (See Fig. 3-1).

2) Connect Power, Open the Tray and Play the Ch.14 whish is in the TDV-533 Disc.

◆ Set the Oscilloscope Range as follows :
(Voltage ; 20mV/Div., Frequency ; 10m Sec.)

3) Adjust the Screws “A” and “B” (See Fig. 3-2) using a Hex screwdriver until you obtain a Flat Waveform and
the picture is stable.
Then, go to Chapter 1 and make sure the Waveform is Flat here as well.
If not, you have to go back to Chapter 14 and adjust again.
If you cannot obtain a Flat waveform, then the unit is defective.

Note : The Deck must be in a horizontal position. Use both “A” and “B” screws to adjust.

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

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Typical Waveform before Adjustment Waveform after Correct Adjustment

Fig.3-3 Envelope Waveform

Alignment and Adjustment

3-4 Samsung Electronics

MEMO

Samsung Electronics

4-1

4. Disassembly and Reassembly

4-1 Cabinet and PCB

4-1-1 Top Cabinet Removal

1) Remove 4 Screws Œ, ´ the back Top Cabinet.

2) Lift up the Top Cabinet in direction of arrow.

Π3 SCREWS

´ 1 SCREW

Fig. 4-1 Top Cabinet Removal

Note : Reassembly in reverse order.

4-2

Samsung Electronics

Disassembly and Reaasembly

Π3 HOOKS

ˇ 1 HOOK

´ 1 HOOK

¨ A'ssy Front-Cabinet

2 SCREWSˆ

Fig.4-2 Ass’y Front-Cabinet Removal

4-1-2 Ass’y Front-Cabinet Removal

1) Remove 2 Screws ˆ.

2) Release 5 Hooks Œ, ´, ˇ and Remove the Ass’y Front-Cabinet ¨.

Disassembly and Reaasembly

Samsung Electronics

4-3

DCN1

DCN2

ASS'Y-DECK

Π3 SCREWS

FLAT-CABLE

4-1-3 Ass’y Deck Removal

1) Disconnect Flat-Cable from DCN1, DCN2 on Main PCB.

2) Remove 3 Screws Œ from the Ass’y Deck and lift it up.

Fig. 4-3 Ass’y Deck Removal

4-4

Samsung Electronics

Disassembly and Reaasembly

Π5 SCREWS

´ MAIN PCB

ˇ Power Key PCB

Fig. 4-4 Main PCB Removal

4-1-4 Main PCB Removal

1) Remove 5 Screws Œ.

2) Lift up the Main PCB ´ and Power Key PCB ˇ

Disassembly and Reaasembly

Samsung Electronics

4-5

4-2 Deck

4-2-1 Holder Chuck Removal

1) Push 4 Hooks Œ in the direction of arrow “A” and lift up the Holder Chuck ´.

Fig. 4-5 Holder Chuck Removal

´ HOLDER CHUCK

Π2 HOOKS

Π2 HOOKS

"A"

"A"

4-6

Samsung Electronics

Disassembly and Reaasembly

4-2-2 Tray Disc Removal

1) Insert a Screw Driver Œ into Emergency Hole ´ and push the Slider Housing ˇ in the direction arrow “A”.

2) When the Tray Disc ¨ comes out a little, pull it in the direction arrow “B” by hand.

Fig.4-6 Tray Disc Removal

"B"

ˇ SLIDER HOUSING

¨ TRAY DISC

"A"

ΠSCREW DRIVER

´ EMERGENCY HOLE