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Sharp LC 42D43U Support Question

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Question posted by ernesteellis on January 24th, 2012

Have A Sharp Aquos Tv, Model Lc-42d43u...picure Fades Out. No Picture

before picture fades out, receive a color scoth color pattern, then scrren goes black and out, sounds is fine, just no picture. Then turn off the set, wait a few mins, the picture will come back on, for a few mins then repeat as above, then goes blank, with sound but no picture..Whats the problem, and esitmate cost to repair is ?

Current Answers

Answer #1: Posted by kcmjr on January 24th, 2012 12:52 PM
This answer was accepted by the poster of the original question.
kcmjr

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Sounds like the power supply or control board has failed.  Hard to tell without touching the unit.

The power supply could be overheating, cooling, then overheating again which would explain the image going in and out.

Trouble is without a thorough diagnostic it's really hard to tell.

Expect to pay between $60 and $100 and hour for tech time.  Get the rate up front before having any work done from you local shop and make sure the diagnostic ciosts will be applied to the final bill or you may get double charged.


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Related Sharp LC 42D43U Manual Pages

Operation Manual - Page 1

SHARP LC-42D43U LC-46D43U LC-52D43U AQUOS LIQUID CRYSTAL TELEVISION T#LI_VISEUR ACL TELEVISOR CON PANTALLA DE CRISTAL LIQUIDO OPERATION MANUAL MODE D'EMPLOI MANUAL DE OPERACION LC-42D43U _["] IDOLBY! _,,_ _ rr'u r" DIGITAL 1245 iIii NYCE IMPORTANT : Please read this operation manual before starting operating the equipment. IMPORTANTE : Lea este manual de operaei6n antes de ...
Operation Manual - Page 2

...42D43 LC-46D43 LC-52D43 LiQUiD CRYSTAL TELEViSiON ENGLISH OPERATION MANUAL ,, The illustrations and on-screen displays in this manual are based on the LC-46D43U model. NO USER-SERVICEABLE PARTS INSIDE. MSeordiaell NNoo.:.: iMPORTANT iNFORMATiON WARNING: TNOOTREEDXUPCOESE THTHEISRISPKROODFUCFTIRETOORRAEILNECOTRRICMOISSHTOUCRKE,. IMPORTANT: To aid reporting in case of the TV. REFER...
Operation Manual - Page 3

... uses and can be determined by turning the equipment off and on a...TV technician for a Class B digital device, pursuant to the point of the FCC Rules. Only) or Sharp at 1-800-BE-SHARP...interference to radio or television reception, which the receiver is no guarantee that .... DECLARATION OF CONFORMITY: SHARP LIQUID CRYSTAL TELEVISION, MODEL LC-42D43U/LC-46D43U/LC-52D43U This device complies ...
Operation Manual - Page 5

... .ventilation. For added protection for this television equipment during a lightning storm, or when...TV by broken glass pieces in case the panel breaks. ,, Tile Liquid Crystal panel used in a wet basement; Be careful not to the product. mPelancdiendg thbey the manufacturer. Select a place with two hands -- product with 3,147,264 thin film transistors, giving you fine picture...
Operation Manual - Page 6

..., which is connected to the television equipment, be placed on the top or near the TV set or other heavy items. f " Turn off the main power and unplug...panel surface. _ ,, Use a soft damp cloth to gently wipe the panel when it is really dirty. (it may scratch the panel surface when wiped strongly.) ,, If the panel is dusty, use liquid or aerosol cleaners. ,,Do not display a still picture...
Operation Manual - Page 7

... the AC cord supplied with the product. SHARP ELECTRONICS CORPORATION, LATIN AMERICA GROUP 6100 Blue Lagoon Drive, Suite 150, Miami, Florida 33126, U.S.A. Q-6 In using it on the 125-240V AC, please consult to the following accessories are provided with the TV. j Page 9 Page 9 Page 8 Page 8 [] LC-46D43U/LC-52D43U Page 8 [] LC-42D43U Page 8 SHIRR Page 7 Page 7 -
Operation Manual - Page 8

... AC INPUT terminal. • Before performing work spread cushioning over . [] LC-46D43U/LC-52D43U Confirm that there are 10 screws (6 short screws and 4 long screws) supplied with the TV, "'" TTTT 1_ Insert the stand into the openings on the bottom of the TV. Attach the two supporting posts for the stand unit onto the...
Operation Manual - Page 10

...are worn out. Be sure to turn the power on. Chemicals that leak from it. IF YOU STILL ENCOUNTER NO POWER, PLEASE CONTACT US AT 1-800-BE-SHARP. Remote control sensor O POWER SLEEP ... that come in contact with their terminals corresponding to the AQUOS television. If the POWER indicator on the AQUOS television still does not light up, press TV POWER on the AQUOS television should ...
Operation Manual - Page 11

... setting 25 Picture adjustments 26 OPC setting 26 Advanced picture adjustments 27 Color Temperature 27 Black 27 I/P Setting 27 Film Mode (3:2 pull-down 27 3D-Y/C 27 Monochrome 27 Range o10PC 27 Sound adjustment...WARRANTY 56 Dimensional drawings ,, The dimensional drawings for the LCD TV set are shown on the power 16 Turning off the power 16 Initial setup 17 Simple button operations...
Operation Manual - Page 23

...settings I _ Picture OPC Backlight Contrast Brightness Color Tint Sharpness Advanced Color Temp Black I/P Setting Film Mode 3D-Y/C Monochrome Range of OPC Reset Page 26 Page 26 Page 26 Page 26 Page 26 Page 26 Page 26 Page 27 Page 27 Page 27 Page 27 Page 27 Page 27 Page 27 Page 26 ,+o I /P Setting...Input Signal Auto Sync Input Label Fine Sync Position Language Reset Page ...
Operation Manual - Page 27

... display the MENU screen, and then press _11/1_to select "Picture". Backlight Contrast Brightness Color Tint Press MENU to "On: Display", OPC effect displays on the screen while adjusting the brightness of the screen. Basic adjustment settings Adjusts the picture to set "Color Temp.", "Black", "I/P Setting", "Film Mode", "3D-Y/C", "Monochrome" or "Range of ()PC". Select "Advanced...
Operation Manual - Page 28

.... the "AV Mode" to exit. Press A/Y to select "Picture". Basic adjustment settings This TV provides various advanced functions for easier viewing. Press MENU to display the MENU screen, and then press _/_ to select a specific adjustment item, and then press ENTER. • You can select "Color Temp.", "Black", "I /P Setting" is not selectable when channel display shows an...
Operation Manual - Page 33

... (black) edges, or is being input, so it on before starting Auto Sync. ,, For resetting all Fine Sync.... adjustment items to the factory preset values, press jk/T to select "Reset", and then press ENTER. ,' It is not necessary to the TV... settings For automatically adjusting the PC image. R-Pos. Ordinarily you can easily adjust the picture as necessary to select "Fine Sync...
Operation Manual - Page 34

... then press ENTER. "Return to its original settings. The screen will be manually adjusted. • Adjustments are made and the settings cannot be changed. • For resetting adjustments...• After the reset has completed, the power shuts off and then comes back on the screen. For adjusting a picture's horizontal and vertical position. Press _1/1_ to select "Setup". Press ...
Operation Manual - Page 51

.... i Ca A/V Press to select the channel of the TV tuner on the VCR. 2 SOURCE POWER Turns the power of the VCR on the DVD MENU screen. Other viewing options 8 Tv To_v_R_u_,o 4 7 6 ......|.1 q-_ __ 5 O (2) (2) QOQ QQ(2) G> (2) _ @O INPUT R _SRSACK --I o d::::Z:::b O _8_::z_ " FAVORITEOH ®®@® AQUOS 3 10 -9 --4 OQQ QOQ (2>QO Q(2)_ @O INPUTFI_S_0K voL cH 8-- __...
Operation Manual - Page 52

... LC-42D43U. ® This TV should be moved 1 _3/_4(5) up or down Unit: inch (cm) ,, Detach the (:able (:lamps on the waft only with the bracket before beginning work. e Carefully read the instructions that come with the AN-37AG2/AN-52AGf (SHARP) wall mount bracket, The use of the base area.) r® LC-46D43U/LC-52B43U i \" LC-42D43U...
Operation Manual - Page 53

... the AC cord disconnected? (See page 8.) Has the power been turned on the power of an error message displayed on the remote control unit? (See page 19.) ,, The TV sometimes makes a cracking sound, ,, This is cut off . ,, Is the sleep timer set correctly? E202 ,, No broadcast now. Remove any objects blocking vent or clean...
Operation Manual - Page 54

... Television. There may be some deviations from these values in the near future. Appendix item Model: LC-42D43U Model: LC-46D43U Model: LC-52D43U LCD panel 42" Advanced Super View & BLACK TFT LCD (Screen size 42" measured diagonally) 46" Advanced Super View & BLACK TFT LCD (Screen size 45 _5/s" measured diagonally) Number of dots 3,147,264 dots (1366)< 768 )< 3 dots) TV Function TV...
Operation Manual - Page 57

...Sharp toll free at no event shall Sharp be the sole and exclusive remedy available to you need One (1) year parts and labor from Warranty Coveraqe (if any}: Where to Obtain Service: What to do to Obtain Service: LC-42D43U/LC-46D43U/LC...your Product.) LCD Color Television available when you . In order to enforce the rights under this information service for the period(s) set forth below ...
Operation Manual - Page 58

... fine voffage or fiquid spifiage. (g) Any product received without appropriate model serial number and CSA/cUL markings. (h) Any products used for this product defects should be obtained upon delivery of the Sharp product together with , modified, adjusted or repaired by Sharp and authorized to an Authorized Sharp Service Centre or an Authorized Sharp Servicing Dealer. as outlined...

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