Beko WMA 747 S User Manual download pdf

SAFETY PRECAUTIONS

GENERAL GUIDELINES

Always use the manufacturer’s replacement safety

components. The critical safety components marked

with on the schematics diagrams should not be

by other substitutes. Other substitute may create the

electrical shock , fire or other hazards. Take

attention to replace the spacers with the originals.

Furthermore where a short circuit has occurred ,

replace those components that indicate evidence of

overheating.

2. After servicing , see that all the protective devices

such as insulation barriers, insulation papers, shields

and isolation R-C combinations are correctly

installed.

3. When the receiver is not being used for a long time

of period of time , unplug the power cord of the

Adaptor from the AC outlet.

Color TFT LCD Module is very sensitive

both electrically and physically.Users,

therefore, are requested to follow the

“Guidance of handling color TFT LCD

Module”on the followings.

1 - Be careful not to make scratch on the

polarizer.

Surface of polarizer is soft and can be physically

damaged easily.

Please do not touch, push or rub polarizer surface

with materials over HB hardness.

2 - Keep clean the surface.

Please wear rubber glove when touch the surface of

LCD screen. Please use soft and anti-static material

as cleaner.

3 - Keep out of water.

Water on/in the LCD may cause electrical short or

corrosion. Please wipe out dry or water carefully

4 - Prevent swift Temperature &

Humidity change.

Instantaneous temperature and/or humidity change

can make dew or ice which cause nonconformance

such as malfunction.

5 High temperature & high humidity

reduce the life-time.

LCD is not proper to be used at high temperature

and high humidity. Please keep specified

temperature and humidity condition.

6 - Keep out of Corrosive Gas.

Corrosive gas effect the polarizer and the circuit

chemically and cause defects accordingly.

7 - Electrostatic discharge can make

Damage

There are electro-static sensitive components such

as CMOS in LCD Module. Please earth human

body when handle the LCD.In addition, please do

not touch the interface connector pin with bare.

8 - Do not operate for a long time under

the same pattern

Operating LCD for a long time under the same

pattern can cause image persistence and can

damage it. Please follow following guidance.

1. Turn the power off when do not use.

2. Change the pattern periodically.

1 2 3 4 5 6 ... 34 35

Summary of Contents

Page 1

SAFETY PRECAUTIONSGENERAL GUIDELINES1.Always use the manufacturer’s replacement safety components. The critical safety components marked with on the

Page 2 - TRANSPORT LINE

YYYYYYYSome of the required IC and Transistor outputs.IC200 IC803 IC900ST-BY ON ST-B ON ST-B ON1 0,6 0,6 1 0 1,9 1 4,95 11,12 1,8 1,8 2 0 2,6 2 4,95 1

Page 3

Some of the required point oscilloscop outputsNOT: We applied color bar and 1Khz sound signal at 2010.25 Mhz (PAL-BG-CH10) Signals may change accordin

Page 4

3) POWER-ON/OFF signal measured on R925 to GND. HIGH: Stand-byLOW: ON4) PANEL_ON_OFF signal measured on R918 to GND. HIGH: Stand-byLOW: ON

Page 5

5) PANEL-VCC signal measured on L405 to GND. LOW: Stand-byHIGH: ON6) Y400 crystal output signal

Page 6

7) RESET signal measured on R483 to GND.

Page 7

8) AUDIO-ON/OFF signal measured on R431 to GND. LOW: Stand-byHIGH: ON9) MUTE_S signal measured on Pin4 of IC800 LOW: Sound ONHIGH: MUTE

Page 8

10) Speaker output with 1Khz input and 20% volume level11) SIF signal measured on Pin12 of IC300

Page 9 - REMOTE CONT

Page 10 - (for 12V panel)

Page 11

Page 12 - LOW: ON

C805R830R122R120R121HDMI1PC AUDIO INR70 2R71 7L403C445C429C43 6R40 3R481C471T404R486T405R460C74 4R78 7R78 6C74 31C18 4C186C844R843R842C77 0R791R807C

Page 13 - 6) Y400 crystal output signal

Page 14

Page 15 - HIGH: MUTE

Page 16

Page 17 - FEATURES

Page 18

Page 19 - GENERAL DESCRIPTION

Page 20 - PIN DIAGRAM (MSD2338AL)

Page 21 - Analog Interface

Page 22

Page 23 - TS Input Interface

SAPPHIRE TARGET SPECIFICATIONS (MPEG2) Concept Properties 26", 32", 37”, 40”, 42” HD Ready Scaler IC MStar Sapphire HD Ready HD R

Page 24 - LVDS Interface

Page 25 - GPIO Interface

Page 26 - Misc. Interface

112233445566D DC CB BA ATitleNumber RevisionSizeA4Date: 26.06.2008 Sheet ofFile: D:\projects\..\Block_diagram.SchDoc Drawn By:HDMIHDMI.SchDocAudioA

Page 27 - Power Pins

SE CHASSI TROUBLESHOOTPICTURENosoundbutpictureisavailableIsLVDSsupplyvoltageavailableonC408(+5Vor+12Vdependingonthepaneltype)?N

Page 28 - ELECTRICAL SPECIFICATIONS

SES NONopicturebutsoundisavailableIsthereanyproblemwiththespeakerconnections?CheckS800connectoronthechassiandspeakercableconnect

Page 29 - Absolute Maximum Ratings

ReplaceIC402withanewoneDoyouobserveSIFsignalonpin52ofIC402?NOCheckthelinerelatedcomponentsbetweenpin12ofIC300andpin52ofIC40

Page 30 - REVISION HISTORY

ANALOG FRONT END Type Hybrid Silicon Tuner Multisystem Yes Receiving System PAL/SECAM BG/DK/I/L/L’, NTSC 4.43, 3.58 via scart VHF (48,2

Page 31 - MECHANICAL DIMENSIONS

Sync On Green (SOG) support on graphics YES Gamma Correction YES De-interlacing 3D Frame Based Motion Adaptive Noise Reduction YES Main Pict

Page 32 - Panel Interface

AVL (Automatic Volume Level) YES Swap/Zapp Optional in Service Menu Child Lock / Panel Lock YES Picture Format Switching Through Scart (Pin

Page 33 - SE CHASSI TROUBLESHOOT

Multi color NO On Timer Led NO VIDEO & GRAPHICS PROCESSING (USB) Chroma Decoding PAL, SECAM, NTSC Comb Fitler 3D (PAL/NTSC)

Page 34

.tiff NO .3gp NO .mov NO divx (3/4/5/6.x) YES .mpg YES .mpe YES .vob YES .dat YES .trp YES .ts YES .avi YES .mp4 YES

Page 35 - SIFsignalonpin52

OPTION 0STANDBYCustomer : Customer mode ; Factory : Factory mode.TEXTTeletext type : TOP:Toptext Fast :Fastext ; Fast_Top :Fastext and Toptext ;NoneTE