Samsung PS50C490B3WXXC Schematic

Plasma TV

Chassis : F76B(HD_3D)_C490

Model Code : PS50C490B3WXXC

SERVICE Manual

Plasma TV

 

CONTENTS

 

 

 

1. Precaution

2. Product Specification

3. Disassembly & Reassembly

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

PS50C490B3W

Refer to the service manual in the GSPN (see the rear cover) for the more information.

GSPN (Global Service Partner Network)

Area

Web Site

 

 

North America

service.samsungportal.com

 

 

Latin America

latin.samsungportal.com

 

 

CIS

cis.samsungportal.com

 

 

Europe

europe.samsungportal.com

 

 

China

china.samsungportal.com

 

 

Asia

asia.samsungportal.com

 

 

Mideast & Africa

mea.samsungportal.com

 

 

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.

©Samsung Electronics Co.,Ltd. Jul. 2010 Printed in Korea

AA82-06665A

Table of Contents

1. Precaution

 

1-1

Safety Precautions............................................................................................

1-1

1-2

Servicing Precautions.......................................................................................

1-3

1-3

Static Electricity Precautions............................................................................

1-4

1-4

Installation Precautions.....................................................................................

1-5

2. Product Specification

 

2-1

Product Feature................................................................................................

2-1

2-2

Specifications Analysis.....................................................................................

2-12

2-3

Detail Factory Option........................................................................................

2-16

2-4

Accessories......................................................................................................

2-17

3.

Disassembly & Reassembly

 

 

3-1 Overall Disassembly & Reassembly.................................................................

3-1

4.

Troubleshooting

 

 

4-1 Checkpoints by Error Mode..............................................................................

4-1

 

4-2

Adjustment........................................................................................................

4-13

 

4-3

Upgrade............................................................................................................

4-30

5.

Exploded View & Part List

 

 

5-1

Exploded View..................................................................................................

5-1

 

5-2

Service Item......................................................................................................

5-3

6.

Wiring Diagram

 

 

6-1

Overall Wiring...................................................................................................

6-1

Product Specification

2. Product Specification

2-1 Product Feature

Features

Block

Specification

Major IC

 

 

 

RF

Digital/Analog (DTV Built In)

PAL-SEMCO TUNER

VALENCIA & ARSENAL

 

 

 

 

 

PDP Module

Samsung SDI 50” HD U2P 3D

50” HD

 

 

 

Power

Dongyang ENP SMPS

 

220V

 

 

 

 

 

 

 

PAL, DVB

 

Video

HDMI

VALENCIA & ARSENAL

 

COMPONENT, PC

 

 

 

 

Sound

SRS TruSuround HD, Dolby Digital

STA369BW

 

 

 

Cabinet

C490 Design

 

 

 

 

Samsung Electronics

2-1

Product Specification

Specification

Model

PS50C49X

 

 

Dimensions (WxHxD)

48.4 x 32.0 x 12.4 inchs (without stand)

48.4 x 12.4 x 31.8 inchs (with stand)

 

 

 

Weight

69.0 lbs (without stand)

77.1 lbs (with stand)

 

 

 

Voltage

AC 100~240V, 60Hz, 550W

 

 

PC Resolution

1365 x 768

 

 

Screen Size

50 inches (16:9)

 

 

ANTENNA Input

ANT - AIR/CABLE IN

75Ω unbalanced

 

 

 

 

AV1

 

COMPONENT1 - 480i/480p/720p/1080i/1080p

 

COMPONENT2 - 480i/480p/720p/1080i/1080p

VIDEO Input

PC

HDMI1480p/720p/1080i/1080p

 

 

HDMI2 (DVI Compatible) - 480p/720p/1080i/1080p

 

HDMI3 (SIDE-AV) - 480p/720p/1080i/1080p

 

SCART(EU)

 

 

 

AV1

 

COMPONENT1 - 480i/480p/720p/1080i/1080p

AUDIO Input

COMPONENT2 - 480i/480p/720p/1080i/1080p

PC

 

 

DVI

 

SCART

 

 

Audio Output

AUDIO (L/R)

 

 

Speaker Output

10W + 10W, 82 dB (± 2 dB)

 

 

New Features

Anynet+, Media Play, 3D

 

 

2-2

Samsung Electronics

Product Specification

2-1-1 New Features explanation

Media Play

This function enables you to view photo (JPEG) you take more easily , listen to audio files recorded in a USB, and see a movie or acting screen just by connecting USB device.

Connecting a USB Device

1. Turn on your TV.

2. Connect a USB device containing photo, music and/or movie files to the USB port on the back or side panel of the TV.

3. When USB is connected to the TV, popup window appears. Then you can select Media Play.

Samsung Electronics

2-3

Product Specification

Screen Display

Move to the file you desired using the up/down/right/left buttons and then press the ENTERE button. The file is played.

Information: You can ascertain the selected

file name and the number of files and page.

Sort List Section: Displays sorting standard.

Sorting standard is different depending on the contents.

Videos

/Movie 01.avi

Movie 01.avi

Movie 03.avi

Movie 05.avi

Movie 07.avi

Movie 09.avi

SUM Device

 

 

 

 

 

 

1/1

 

 

 

 

Movie 02.avi

 

 

Jan.10.2010

 

 

Jan.10.2010

 

 

 

 

Movie 04.avi

 

 

Jan.10.2010

 

 

Jan.10.2010

Jan.10.2010

 

Movie 06.avi

Jan.10.2010

 

 

 

 

 

 

Movie 08.avi

 

 

Jan.10.2010

 

 

Jan.10.2010

 

 

 

 

Movie 10.avi

 

 

Jan.10.2010

 

 

Jan.10.2010

 

 

Select

 

Sorting

Tools

Return

 

 

 

File List Section:

You can confirm the files and groups that is sorted by each category.

Operation Buttons

 

Red (Device): Selects a connected device.

B Green (Preference): Sets the file preference. (not supported in Basic view)

 

Yellow (Select): Selects multiple files from file list. Selected files are marked with a symbol.

 

Blue (Sorting): Select the sort list

 

Tools: Displays the option menu.

Return: Moves to previous menu.

<< Videos >>

Playing a Video

1.Press the ◄ or ► button to select Videos, then press the ENTERE button in the Media Play menu.

2.Press the ◄/►/▲/▼ button to select the desired video in the file list.

3.Press the ENTERE button or Play button.

-The selected file is displayed on the top with its playing time.

-The playing duration of a movie file may be displayed as “00:00:00” if the playback time information is not found at the start of the file.

In this mode, you can enjoy movie clips contained on a Game, but you cannot play the Game itself.

Supported Subtitle Formats

Name

File extension

Format

 

 

 

MPEG-4 time-based

.ttxt

XML

text

 

 

 

 

 

SAMI

.smi

HTML

 

 

 

SubRip

.srt

string-based

 

 

 

SubViewer

.sub

string-based

 

 

 

Micro DVD

.sub or .txt

string-based

 

 

 

00:04:03 / 00:07:38

Movie 01.avi

SUM

Play continuously

Pause ◄►Jump Tools

1/1

Return

2-4

Samsung Electronics

Product Specification

Supported Subtitle Formats

Container

Video Decoder

Resolution

Audio codec

 

 

 

 

 

Divx 3.11

 

MP3

 

 

 

AC3

 

Divx 4.x

 

 

 

LPCM

AVI

 

 

Divx 5.1

 

 

ADPCM

ASF

 

Divx 6.0

 

(MULAW, ALAW)

MKV

 

 

 

AAC

MP4

XviD

 

 

HE-AAC

3GPP

 

 

H.264

 

WMA

VRO

1920x1080

 

DD+

MPEG-4 SP

VOB

 

 

MPEG

PS

 

 

MPEG-4 ASP

 

 

DTS HD

TS

 

Window Media Video v9

 

AMR

RMVB

 

 

QCELP

 

 

FLV

MPEG2

 

 

Real Audio

 

 

 

 

MPEG1

 

(RealAudio6 Cook, RealAudio9,10

 

 

RealAudio Lossless)

 

 

 

 

 

 

 

Playing movie continuously (Resume Play)

If you exit the playing movie function, the movie can be played later from the point where it was stopped.

1.Select the movie file you want to play continuously by pressing the ◄ or ► button to select it from the file list section.

2.Press the Play/ENTERE button.

3.Select Play Continuously (Resume Play) by pressing the Blue button.

The Movie will begin to play from where it was stopped.

If the Cont. movie Play Help function is set to On in the Settings menu, a pop-up message will appear when you resume play a movie file.

Samsung Electronics

2-5

Product Specification

<< Music >>

Playing a Music

1.Press the ◄ or ► button to select Music, then press the

ENTERE button in the Media Play menu.

2.Press the ◄/►/▲/▼ button to select the desired Music in the file list.

3.Press the ENTERE button or Play button.

Only displays files with the MP3 file extension. Other file extensions are not displayed, even if they are saved on the same USB device.

SUM

Playlist

I Love You

I Love you

 

Jhon

Jhon

 

1st Album

Music1

 

No Singer

 

Pop

 

Music2

 

2010

 

No Singer

 

4.2MB

 

 

Music3

 

 

No Singer

 

01:10 / 04:02

Music4

 

No Singer

 

 

 

 

Music5

 

 

No Singer

 

 

Pause ◄►Jump

Tools

3/15

Return

If the sound is strange when playing MP3 files, adjust the

Equalizer in the Sound menu. (An over-modulated MP3 file may cause a sound problem.)

-The playback duration of a music file may be displayed as “00:00:00” if playback time information is not found at the start of the file.

REW and FF buttons do not function during play.

<< Photos >>

 

Viewing a Photo (or Slide Show)

 

1.

Press the ◄ or ► button to select Photos, then press the

 

 

 

Normal

Image1024.jpg 1024x768 2010/2/1

 

ENTERE button in the Media Play menu.

 

2.

Press the ◄/►/▲/▼ button to select the desired photo in

 

 

the file list.

 

3.

Press the ENTERE button or Play button.

 

 

-

While a photo list is displayed, press the (Play)/ENTERE

 

 

 

button on the remote control to start slide show.

 

 

-

All files in the file list section will be displayed in the slide

Pause ◄► Previous/Next Tools

 

 

SUM

 

 

show.

 

-During the slide show, files are displayed in order from currently being shown.

Music files can be automatically played during the Slide Show if the Background Music is set to On.

3/15

Return

2-6

Samsung Electronics

Product Specification

Playing the multiple files

Playing the selected video/music/photo files

1.Press the Yellow button in the file list to select the desired file.

2.Repeat the above operation to select multiple files.

-The () mark appears to the left of the selected files.

-To cancel a selection, press the Yellow button again.

-To deselect all selected files, press the TOOLS button and select Deselect All.

3.Press the Play/ENTERE button.

Playing the video/music/photo file group

1.While a file list is displayed, move to the any file in desired group.

2.Press the TOOLS button and select Play Current Group.

Videos

/Movie 01.avi

 

 

 

 

 

Movie 01.avi

 

 

 

 

 

 

Jan.10.2010

 

 

Movie 03.avi

 

 

 

 

 

 

Jan.10.2010

 

 

Movie 05.avi

 

 

 

 

 

 

Jan.10.2010

 

 

Movie 07.avi

 

 

 

 

 

 

Jan.10.2010

 

 

Movie 09.avi

 

 

 

 

 

 

Jan.10.2010

SUM

 

Device

 

 

Select

 

 

 

 

1/1

Movie 02.avi

Jan.10.2010

Movie 04.avi

Jan.10.2010

Movie 06.avi

 

 

Jan.10.2010

Movie 08.avi

 

 

 

Jan.10.2010

Movie 10.avi

 

 

 

Jan.10.2010

 

Sorting

Tools Return

 

Media Play Additional Function

Sorting the file list

Press the Blue button in the file list to sort the files.

Category

Operations

Videos

Music

Photos

Basic View

It shows whole folder. You can view the photo by selecting the folder.

Title

It sorts and displays the file title in Symbol/Number/Alphabet/Special order.

Preference

It sorts and displays the file by preference. You can change the file preference in the file

 

list section using the Green button.

 

 

 

 

Latest Date

It sorts and shows files by latest date.

 

Earliest Date

It sorts and shows files by earliest date.

 

Artist

It sorts the music file by artist in alphabetical.

 

 

Album

It sorts the music file by album in alphabetical order.

 

 

Genre

It sorts music files by the genre.

 

 

Mood

It sorts music files by the mood. You can change the music mood information.

 

 

Monthly

It sorts and shows photo files by month. It sorts only by month (from January to

 

 

 

December) regardless of year.

 

 

 

 

 

 

Samsung Electronics

2-7

Product Specification

Videos/Music/Photos Play Option menu

Category

Operations

Videos

Music

Photos

Title

You can move the other file directly.

 

 

Repeat Mode

You can play movie or music files repeatedly.

 

Picture Size

You can adjust the picture size for preference.

 

 

(Mode1 / Mode2 / Original)

 

 

 

 

 

 

 

Picture Setting

You can adjust the picture setting.

 

Sound Setting

You can adjust the sound setting.

Subtitle Setting

You can play the video with Subtitle. This function only works if the subtitles are the

 

 

 

same file type as the video.

 

 

 

 

 

 

Stop Slide Show /

You can start or stop a Slide Show.

 

 

Start Slide Show

 

 

 

 

 

 

 

Slide Show Speed

You can select the slide show speed during the slide show.

 

 

Background Music

You can set and select background music when watching a Slide Show.

 

 

Zoom

You can zoom into images in full screen mode.

 

 

Rotate

You can rotate images in full screen mode.

 

 

Information

You can see detailed information about the played file.

<< Settings >>

Using the Setup Menu

Cont. movie Play (Resume Play) Help (On / Off): Select to display the help pop-up message for continuous movie playback.

Get the DivX® VOD registration code: Shows the registration code authorized for the TV. If you connect to the DivX web site and register the registration code with a personal account, you can download VOD registration file. If you play the VOD registration using Media Play, the registration is completed.

- For more information on DivX® VOD, visit “www.DivX.com.”

Get the DivX® VOD deactivation code: When DivX® VOD is not registered, the registration deactivation code is displayed. If you execute this function when DivX® VOD is registered, the current DivX® VOD registration is deactivated.

Information: Select to view information about the connected device.

2-8

Samsung Electronics

Product Specification

Anynet+

Anynet+ is a function that enables you to control all connected Samsung devices that support Anynet+ with your Samsung TV’s remote. The Anynet+ system can be used only with Samsung devices that have the Anynet+ feature. To be sure your Samsung device has this feature, check if there is an Anynet+ logo on it..

To connect to Home Theatre

1.Connect the HDMI IN (1(DVI), 2 or 3) jack on the TV and the HDMI OUT jack of the corresponding Anynet+ device using an HDMI cable.

2.Connect the HDMI IN jack of the home theatre and the HDMI OUT jack of the corresponding Anynet+ device using an HDMI cable.

NOTE

Connect the Optical cable between the DIGITALAUDIO OUT (OPTICAL) jack on your TV and the

Digital Audio Input on the Home Theatre.

When following the connection above, the Optical jack only outputs 2 channel audio. You will only hear sound from the Home Theatre’s Front, Left and Right speakers and the subwoofer. If you want to hear 5.1 channel audio, connect the DIGITAL AUDIO OUT (OPTICAL) jack on the DVD / satellite box (i.e.

Anynet Device 1 or 2) directly to the Amplifier or Home Theatre, not the TV.

Connect only one Home Theatre.

You can connect anAnynet+ device using the HDMI cable. Some HDMI cables may not support

Anynet+ functions.

Anynet+ works when theAV device supporting Anynet+ is in the standby or on status.

Anynet+ supports up to 12AV devices in total. Note that you can connect up to 3 devices of the same type.

Samsung Electronics

2-9

Product Specification

3D

This exciting new feature enables you to view 3D content. In order to fully enjoy this feature, you must purchase a pair of Samsung 3D Active Glasses (SSG-2100AB, SSG-2200AR, SSG-2200KR) to view 3D video.

Samsung 3D Active Glasses are sold separately. For more detailed purchasing information, contact the retailer where you purchased this TV.

The LED on the 3D emitter blinks only when sending a 3D signal.

If there is any obstacle between the emitter and 3D Active

Glasses, the proper 3D effect may not be obtained.

3D emitter

Ο3D Mode: Select the 3D input format.

If you want to feel the 3D effect fully, please wear the 3D Active Glasses first, and then select

3D Mode from the list below that provides the best 3D viewing experience.

When watching 3D images, turn on 3D Active Glasses.

3D Mode

Operation

 

 

 

Off

Turns the 3D function off.

 

2D → 3D

Changes a 2D image to 3D.

 

Side by Side

Displays two images next to

 

each other.

 

 

 

Top & Bottom

Displays one image above

 

another.

 

 

 

 

 

 

Line by Line

Displays the images for the left

 

and right eye alternately in rows.

 

 

 

 

 

 

 

Displays the images for the

 

Vertical Stripe

left and right eye alternately in

 

 

columns.

 

 

 

 

Checker

Displays the images for the

 

left and right eye alternately in

 

Board

 

pixels.

 

 

 

 

 

 

 

Displays the images for the

 

Frequency

left and right eye alternately in

 

 

frames.

“Side by Side” and “Top & Bottom” are available when the resolution is 720p, 1080i and 1080p in DTV, HDMI and USB mode or set to PC connecting through HDMI/DVI cable.

“Vertical Strip”, “Line by Line” and “Checker Board” are available when the resolution is set to PC connecting through HDMI/DVI cable.

“Frequency” displays the frequency (60Hz only) when the resolution is set to PC.

Ο3D → 2D (Off / On): Displays the image for the left eye only.

This function is deactivated when 3D Mode set to “2D → 3D” or Off.

Ο3D View Point: The overall adjustment of 3D perspective.

This function is deactivated when 3D Mode set to “2D → 3D” or Off.

ΟDepth: Adjusts focus / depth in “2D → 3D” mode.

This function is only activated when the 3D Mode is “2D → 3D”.

ΟPicture Correction: Adjusts the images for the left and right eye.

Ο3D Auto View (Off / On): If 3D Auto View is set to On, a “Side by Side” format HDMI signal with one of the resolutions below is automatically switched to 3D. Here, correct 3D information must be sent from the Standard HDMI 3D Format.

If a 3D failure occurs due to a 3D information error, set 3D Auto View to Off and manually select a 3D Mode using the 3D button or corresponding menu.

Support resolution (16:9 only)

Resolution

Frequency (Hz)

1280 x 720p

50

/ 60

Hz

 

 

 

 

1920 x 1080i

50

/ 60

Hz

1920 x 1080p

24 / 30

/ 50

/ 60 Hz

 

 

 

 

2-10

Samsung Electronics

Ο3D Optimisation: The overall adjustment of 3D effect.

Resolution supported for HDMI PC mode

The resolution for HDMI PC mode is optimized to 1920 x 1080 input.

An input resolution other than 1920 x 1080 may not be displayed properly in 3D display or full screen mode.

How to watch the 3D image

3D

To watch in 3D, wear 3D glasses and press the power button on the glasses. Viewing 3D TV motion pictures for long periods may cause eye fatigue and/or dizziness.

OK Cancel

LMove E Enter e Exit

3D

Usiing tthe LEFT // RIIGHTkeys on tthe rremote control, sellectt tthe iicon suitable fforr tthe piictture on scrreen..

LMove EEnterr eExit

1.Press the CONTENT button, then the Content View menu will appear.

2.Press the ◄ or ► button, then select 3D.

To watch in 3D, wear 3D Active Glasses and press the power button on the glasses.

3.Select OK, then press the ENTERE button.

4.Using the ◄ or ► buttons on your remote control, selects the 3D Mode of the image you want to view.

Some 3D modes may not be available depending on the format of the image source.

Product Specification

Supported formats and operating specifications for

Standard HDMI 3D

The 3D formats indicated below are recommended by the HDMI association and must be supported.

Source signal format

Standard HDMI 1.4 3D

 

 

1920x1080p@24Hz x 2

1920x2205p@24Hz

 

 

1280x720p@60Hz x 2

1280x1470p@60Hz

 

 

1280x720p@50Hz x 2

1280x1470p@50Hz

 

 

The mode is automatically switched to 3D mode for the 3D video input in one of the formats above.

Samsung Electronics

2-11

Product Specification

2-2 Specifications Analysis

 

Model

PS50C49X

 

PS50B450

 

 

 

 

 

 

Design

 

 

 

 

 

 

 

 

 

Display Type

PDP TV

 

PDP TV

 

 

 

 

 

 

Built-In Tuner

O

 

O

 

 

 

 

 

Basic

Resolution

1365 x 768

 

1365 x 768

 

 

 

 

PDP Module

U2P_3D

 

U1P

 

 

 

 

 

 

 

 

Screen Size

50 inches

 

50 inches

 

 

 

 

 

 

Picture ratio

16 : 9

 

16 : 9

 

 

 

 

 

 

Brightness

1,500Cd/m2

 

1,500Cd/m2

 

 

 

 

 

Picture

Contrast Ratio

10000:1

 

10000:1

 

 

 

 

 

 

Picture Enhacer

DNIe

 

O

 

 

 

 

 

 

Equalizer

5 Band

 

5 Band

 

 

 

 

 

 

Auto Volume

O

 

O

Audio

Control

 

 

 

 

 

Surround Sound

SRS TruSurround HD

 

SRS TruSurround XT

 

 

 

 

 

 

Speaker Output

10W + 10W

 

10W + 10W

 

 

 

 

 

 

PIP

O

 

O

 

 

 

 

 

 

Double Screen

O

 

O

 

 

 

 

 

 

Caption

O

 

O

 

 

 

 

 

 

Still Image

O

 

O

 

 

 

 

 

Features

EPG

O

 

O

 

 

 

 

My Color Control

O

 

O

 

 

 

 

 

 

 

 

Energy Saving

O

 

O

 

 

 

 

 

 

Screen Burn

O

 

O

 

Protection

 

 

 

 

 

 

 

 

 

 

 

Anynet

O

 

O

 

 

 

 

 

 

 

 

 : Feature Included, X: Not Included

2-12

Samsung Electronics

Product Specification

Model

PS50C49X

PS50B450

 

 

 

Design

 

Antenna

 

1 (Cable/Air)

 

1 (Cable/Air)

 

 

 

 

 

 

 

AV Input

 

1 Input

 

1 Input

 

 

 

 

 

 

 

S-Video

 

O

 

-

 

 

 

 

 

 

 

Component

 

1 Input (2 Input - Au)

 

1 Input

 

(Y/PB/PR)

 

 

 

 

 

 

 

 

 

 

 

 

 

Connections

PC (D-SUB)

 

1 Input

 

1 Input

 

DVI

 

O

 

O

 

 

 

 

 

 

 

HDMI

 

3 Input

 

3 Input

 

 

 

 

 

 

 

Sub Woofer

 

O

 

O

 

 

 

 

 

 

 

Optical

1

 

1

 

 

 

 

 

 

 

etc.

 

USB 1 Input, 3D

 

USB 1 Input

 

 

 

 

 

 

ETC

Speaker/Stand

 

Built-in Speaker

 

Built-in Speaker

 

 

 

 

 

 

 

 

 

 

 : Feature Included, X: Not Included

For the power supply and power consumption, refer to the label attached to the product.

Samsung Electronics

2-13

Product Specification

2-3 Detail Factory Option

If you replace the main board with new one, please change the factory option as well. The options you must change are “Type”, “Local set” and “Front Color”, “A factory setup data might be different depending on model’s feature such as inch, and the region they’re going to be sold.”.

Factory Option

Item

Data

 

 

Factory Reset

 

 

 

Type

50HHcD4

 

 

Local Set

EU / AD_Au

 

 

Model

PC490

 

 

Tuner

DRXSEMCO

 

 

DDR

0

 

 

Light Effect

Off

 

 

Ch Table

SEH / SDMA

 

 

Country

 

 

 

Front Color

S-C-Gray

 

 

2-14

Samsung Electronics

Product Specification

2-4 Accessories

 

 

 

2-4-1 Supplied Accessories

 

 

Accessories

Item

Item code

Remark

 

Remote Control

BN59-01110A

 

 

Batteries

4301-000103

 

 

Owner’s Instructions

BN68-03141A

 

 

 

 

Samsung Service Center

 

Cleaning Cloth

BN63-01798B

 

 

Ferrite Core for

3301-002053

 

 

Power Cord

 

 

 

 

Samsung Electronics

2-15

Product Specification

2-4-2 Sold Separately

 

 

 

Accessories

Item

Item code

Remark

 

HDMI

-

 

 

HDMI-DVI

-

 

 

Component

-

 

 

 

 

Samsung Service Center

 

Composite (AV)

-

 

 

Coaxial (RF)

-

 

 

VGA

-

 

2-16

Samsung Electronics

Samsung PS50C490B3WXXC Schematic

Disassembly & Reassembly

3. Disassembly & Reassembly

3-1 Overall Disassembly & Reassembly

-Be sure to separate the power cord before disassembling the unit.

-Discharge the capacitors first when separating PCB’s with high capacity capacitors such as SMPS, X Main Board, Y Main Board, etc. (A spark may be generated by the electric charge, and there is danger of electronic shock.)

-Check that the cables are properly connected referring to the circuit diagram when disassembling or assembling the unit taking care not to damage the cables.

-Take care not to scratch the Glass Filter in the front.

-Assemble the boards in the reverse order of the disassembly.

-The plasma must be layed down on a flat padded surface for disassembly and reassembly.

Description

Description Photo

1. Remove 19 screws. (

)

: BH,+,B,M4,L12,ZPC(BLK),SWRCH18

* L : Screw Length(mm)

 

6003-001003

2.Remove 4 screws. ()

: BH,+,S,M4,L10,ZPC(BLK),SWRCH18

* L : Screw Length(mm)

3. Remove the Cover Rear.

6003-000337

 

4.Detach all connectors from the Main Board.

5.Remove 6 screws.

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A

* L : Screw Length(mm)

6001-001921

6.Remove the Main Board.

7.Remove 4 screws.

: BH,+,B,M4,L12,ZPC(BLK),SWRCH18 * L : Screw Length(mm)

8.Remove the BRACKET-SUPPORT STAND.

6003-001003

Samsung Electronics

3-1

Disassembly & Reassembly

Description

Description Photo

9.Remove P-SPEAKER. (No screw for holding)

10.

Remove 4 screws.

 

 

 

 

 

: BH,+,S,M4,L10,ZPC(BLK),SWRCH18

 

 

 

* L : Screw Length(mm)

 

 

11.

Remove Holder Module.

 

 

 

Please lay the PDP panel face down on a

 

6003-000337

 

soft surface when separating front cover.

 

 

 

 

 

 

12. Detach all connectors from the SMPS.

13.Remove 5 screws.

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A * L : Screw Length(mm)

14. Remove the SMPS.

Wear gloves when handling the power

6001-001921

board as there may be some remaining

 

 

 

 

electrical charge in the capacitor.

 

 

Specifically, avoid touching any part of the

 

 

capacitor.

 

 

3-2

Samsung Electronics

Disassembly & Reassembly

Description

Description Photo

15.Detach all connectors from the Logic Board.

16.Remove 2 screws.

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A * L : Screw Length(mm)

6001-001921

17.Remove the Logic Board.

18.Detach all Connectors from the X-Main Board.

To separate the Flat Cable of the X-Main Board, press the upper and the lower sides of the connector.

Samsung Electronics

3-3

Disassembly & Reassembly

Description

Description Photo

19.Remove 5 screws.

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A * L : Screw Length(mm)

20.Remove the X-Main Board with X-Buffer Board.

6001-001921

21.Detach the scan board connectors from the panel by pulling the holder from both the top and bottom ends.

3-4

Samsung Electronics

Disassembly & Reassembly

Description

Description Photo

22.Remove 3 screws.

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A * L : Screw Length(mm)

23.Remove the Y-Buffer Board.

6001-001921

24. Detach all connectors from the Y-Main Board.

25.Remove 5 screws

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A * L : Screw Length(mm)

26.Remove the Y-Main Board.

6001-001921

Samsung Electronics

3-5

MEMO

3-6

Samsung Electronics

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