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Service Manual

32inch

LCD TV

Liquid Crystal Display

Quality Assurance Dept.

Содержание elt3220

Страница 1: ...Service Manual Service Manual 32inch 32inch LCD TV Liquid Crystal Display Quality Assurance Dept Quality Assurance Dept ...

Страница 2: ...F LCD PANEL 4 4 v v MODULE PRECAUTIONS MODULE PRECAUTIONS 8 8 v v TROUBLE SHOOTING TROUBLE SHOOTING 11 11 v v REPLACEMENT METHOD OF PARTS REPLACEMENT METHOD OF PARTS 15 15 v v FIRMWARE DOWNLOADING FIRMWARE DOWNLOADING 22 22 v v A S SPARE PARTS A S SPARE PARTS 25 25 Quality Assurance Dept Quality Assurance Dept 2 26 ...

Страница 3: ... Input Component1 Input DVD Component2 Input DTV D SUB Analog RGB 15 PIN Digital RGB DVI D S video 2 input S Video1 Input Composite1 Input Composite2 Input Headphone SCART1 Input Full SCART2 Input Half Tuner PAL SECAM Audio Input Composite Component1 2 S Video PC RS 232C 9 pin TCP IP Support 0 254set 7 Function ARC PIP PBP 4 3 16 9 MTS TTX Quality Assurance Dept Quality Assurance Dept 3 26 ...

Страница 4: ...e dot defect a Bright dot Dot appears in bright display and the size is fixed in black pattern It excludes the particle issue and CF defect b Dark dot Dot appears in dark display and the size is fixed in pure red green blue pattern It excludes the particle issue c 2 dot adjacent 1pair 2pair the phenomenon is shown as below 2 dot adjacent 2 dot adjacent 2 dot adjacent Vertical 2 dot adjacent Slant ...

Страница 5: ...et up limit sample and apply to the criteria with the customer Mura 0 15 W 0 25mm 0 3 L 10mm N 4 Foreign Black White Bright Line 0 5 D 1 2mm N 10 Foreign Black White Bright spot N 7 Total bright and dark dot L 5mm Minimum Distance Between Dark dots N 0 3 dots adjacent or more N 2 2 dots adjacent N 7 Random Dark dot L 5mm Minimum Distance Between Bright dots N 0 3 dots adjacent or more N 0 2 dots a...

Страница 6: ... is not permitted Outline size Oxidized rusty connector is not permitted Connector Incorrect position missed label is not permitted Tape Label The crack is not permitted Crack No display of backlight unit is not permitted Break down Backlight Incomplete assembly is not permitted Metal frame Bezel Broken cable burned connector is not permitted CCFL cable Missed incomplete or deformed assembly is no...

Страница 7: ...rial Minor Polarizer is damaged on the surface Scratch and Dent on polarizer Minor Bright dot dark Dot or dot adjacent appear in display Dots defect Major Abnormal signal outputs in display Irregular display Major No signal outputs in display No display Major Abnormal cross line appears in display Cross line Major Abnormal line appears in horizontal direction Horizontal line Major Abnormal line ap...

Страница 8: ...l immediately If you leave the droplets for a long time staining and discoloration may occur e If the surface of the polarizer is dirty clean it using some absorbent cotton or soft cloth f The desirable cleaners are water IPA Isopropyl alcohol or Hexane Do not use Ketone type materials ex Acetone Ethyl alcohol Toluene Ethyl acid or Methyl chloride It might permanent damage to the polarizer due to ...

Страница 9: ... use so that the electrostatic charge can be minimized n Pins of I F connector shall not be touched directly with bare hands 1 2 Storage a Do not leave the module in high temperature and high for a long time It is highly recommended to store the module with temperature from 0 to 35 C and relative humidity of less than 70 b Do not store the TFT LCD module in direct sunlight c The module shall be st...

Страница 10: ...se lower luminance of lamp CCFT and may require higher startup voltage Vs 1 4 Others a Ultra violet ray filter is necessary for outdoor operation b Avoid condensation of water It may result in improper operation or disconnection of electrode c Do not exceed the absolute maximum rating value the supply voltage variation input voltage variation variation in part contents and environmental temperatur...

Страница 11: ...ith the set Check ST BY LED ON Main S W ON AC ON Check AC Line Fuse and Replace the PSU Check ST BY LED COLOR Replace the A D BOARD Check the set condition after dc power on Check the IR board or A D and replace the defect B D Confirm the No display section Normal Abnormal Normal Abnormal Normal Abnormal Yellow LED Red LED 2 1 11 26 ...

Страница 12: ...te controller power on off Check the inverter cable and LVDS cable Check the IR B D or A D and Replace the defective B D power on off LCD PANEL DEFECTIVE Check the PSU or A D and Replace the defective B D Quality Assurance Dept Quality Assurance Dept Normal Normal Normal Abnormal Abnormal 12 26 ...

Страница 13: ...und Check the connection of speaker to set after set reset Check the condition after swap the A D Check the FFC cable between I O and A D Check the condition after swap the I O Quality Assurance Dept Quality Assurance Dept 13 26 ...

Страница 14: ...Shooting 4 Not Searching on TV Check the FFC cable between A D and Tuner B D Check the condition after swap the A D B D Check the condition after reset the set Quality Assurance Dept Quality Assurance Dept 14 26 ...

Страница 15: ...sition color A Make it ready 1 Lay the product down on the soft mat for protection 2 Remove the stand from the product by taking the screws red out as per the picture 3 Keep the stand away from any possible scratches 4 Locate the eliminated screws in safe for later use 15 26 BH M 5X16 ZB Torque 10 1kgf BH M 5X10 ZB BH M 4X10 ZB Torque 10 1kgf BH TT 4X10 ZB Torque 7 1kgf ...

Страница 16: ...oints 1 Insulator should be placed under the PSU when PSU is fixed on the set 2 Double check the connection of cable before reassembling C Replace the new PSU 1 Remove the wire from the PSU 2 Replace the new PSU u Replacement Method of parts 1 PSU 16 26 PSU ...

Страница 17: ... out as per the picture 3 Keep the stand away from any possible scratches 4 Locate the eliminated screws in safe for later use u Replacement Method of parts 2 A D main Board 17 26 BH M 5X16 ZB B Remove the back cover 1 Remove the back cover from the set 2 Marked screw s kind by position color Torque 10 1kgf BH M 5X10 ZB BH M 4X10 ZB Torque 10 1kgf BH TT 4X10 ZB Torque 7 1kgf ...

Страница 18: ...se C Remove the shield main and jack housing 1 Remove the shield main from the set BH M 3X6 ZN 2 Remove the jack housing from the a d and tuner board BH T 3X8 2S ZB SPECIAL WASHER SPECIAL NUT u Replacement Method of parts 2 A D main Board 18 26 BH M 3X6 ZN Special Nut Special Washer BH T 3X8 2S ZB ...

Страница 19: ...ard 4 Observe to use suitable screws when do disjointing and assembly D Replace the new A D board 1 Remove the power cable and LVDS cable from the defective A D board 2 Must observe lest cable should be damaged at FFC cable separation 3 Replace the new A D board A D TUNER BH M 3X6 ZN 19 26 ...

Страница 20: ...utes 3 Apply the input output function of Composite S Video Component Audio and Video and check out if they work well 4 Wear a wrist band to protect static electricity when handing C Check the Cable connection 1 Double check the below points FFC cable 24Px50mm AC Power Wire OSD Wire 8P 800mm Power Wire 12P120mm Sub A V wire 20P u Replacement Method of parts 2 A D main Board 20 26 ...

Страница 21: ...Quality Assurance Dept Quality Assurance Dept 1 Check the Audio cable when Tuner board is replaced 2 Double check the all connection before assembly u Replacement Method of parts 3 Tuner Board 21 26 R L ...

Страница 22: ...Quality Assurance Dept u Firmware Downloading 1 Firm Ware Down Loading Start up using Note Book or Personal Computer A Using RS232C Port Setting up Firm Ware for Down Loading Connection between PDP and RS232C Port on PC 22 26 ...

Страница 23: ... path for downloaded files 2 Click and select the port connection 3 Click and select the port number 4 Click Please execute the Firmware Downloading program After making a temporary folder please copy the firmware files to it Double click the icon FlashExpress you will see the following display 23 26 ...

Страница 24: ...number you will see the following display 2 If the power is turned on the downloading is started 3 After completing the downloading please press Close to stop the program 4 Disconnect the serial cable from the port FIRMWARE DOWNLOADING It takes about 2minutes to complete this work 24 26 ...

Страница 25: ...2105AC 32 PSU 60 0097 ELT 3200AP IR LED BOARD ASS Y S110221078 PAL TUNER CABLE 140mm CABLE 55 0043 V320B1 L01 CMO LCD PANEL 65 0068 FFC 24PX50MM REV 00 WIRE ASS Y 50 0100 ABS 32 BACK COVER 70AELM547 ABS 32 A TYPE FRONT COVER A TYPE 70AELM545 ELT 3200AP SPEAKER_L 400mm SPEAKER ASS Y 60 0103 ELT 3220AP A D BOARD ASS Y S110220126 STANDARD STANDARD ITEM ITEM CODE CODE 25 26 ...

Страница 26: ...OX DOWN 86AELB321 DW 3 32 영문 수출기본 NEW BOX TOP 86AELB405 PE 1X1200X800 양면 발포지 EPM 420 PE BAG 92CELB102 ABS 32 CMO用 인쇄무無 DECO FRONT B 70AELM558 EPP 32 PAD DOWN L 93CELB319 EPP 32 PAD DOWN R 93CELB318 EPP 32 PAD TOP L 93CELB317 ELT 3200AP OSD BOARD ASSY S110232078 STANDARD STANDARD ITEM ITEM CODE CODE 26 26 ...

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