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Sharp LC-42SB48UT Support Question

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Question posted by Anonymous-76177 on September 25th, 2012

Sharp Lc-42sb48ut Tv Blue Power Light Just Keeps Blinking. Why?

Pretty much as stated above. The power light turns red when plugged in, and blinks blue when the power button is hit. I have no clue why this is. Also, I'm not 100% sure how to do that reset with the volume and channel buttons, or it isn't doing anything. Thanks!

Current Answers

Answer #1: Posted by TVDan on September 25th, 2012 7:23 PM
This answer was accepted by the poster of the original question.
TVDan

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I just searched the service manual and this model doesn't have that shut down for lamp errors that requires the pressing of buttons and plugging the Ac cord in. This set will likely require a trip to the local Sharp authorized service shop to get the estimate.

I suspect the main board is the problem. There are two versions dependent upon the serial number. It could be the power board or even the LCD panel itself.

http://www.sharpusa.com/CustomerSupport/ProductDownloads.aspx?model=LC-42SB48UT


TV Dan

Related Sharp LC-42SB48UT Manual Pages

LC-32SB28UT | LC-42SB48UT Operation Manual - Page 1

...maintenance problems. 1 ENGLISH LC-32SB28UT-A LC-42SB48UT-A LIQUID CRYSTAL TELEVISION ENGLISH OPERATION MANUAL IMPORTANT: To aid reporting in case of loss or theft, please record the TV's model and serial ...(OR BACK). This "bolt of the TV. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The numbers are located at the rear of lighting" indicates uninsulated material within your household, ...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 2

... WARNING: FCC Regulations state that any interference received, including interference that may cause undesired operation. DECLARATION OF CONFORMITY: SHARP LIQUID CRYSTAL TELEVISION, MODEL LC-32SB28UT-A / LC-42SB48UT-A This device complies with electric appliances such as radios and televisions, use . Consult the dealer or an experienced radio/TV technician for "TV Location". Note to...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 3

...blade or the third prong are not sure of the type of power supply to your home, consult your...SHARP CUSTOMER Thank you are provided for your purchase of the Sharp Liquid Crystal Television. However, improper use this product through openings as power-supply cord or plug...before using the product. 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 5

... (LC-42SB48UT-A), giving you fine picture details. Inserting objects in the air vents or other electric light or power circuits, or where it with the product. or near water - Select a place with liquids, such as this could cause an afterimage to remain. •• To prevent fire or shock hazard, do not expose this television...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 7

...television sets. •• Don't place flat panel displays on furniture that can easily be used as steps, such as UL, CSA, ETL). •• Follow all enclosed instructions for installation. Flat panel... flat panel display. IMPORTANT SAFETY INSTRUCTIONS CHILD SAFETY It Makes A Difference How and Where You Use Your Flat Panel Display Congratulations on your new product, please keep these...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 10

... the TV. 10 Connecting it to any other kind of the television. (See page 12.) 2 Connect the AC plug for the television into the AC outlet. 4 How to a 120V, 60Hz. B) The POWER indicator on the television. POWER POWER indicator •• Speakers cannot be connected to turn on the television for the first time. A) Press POWER on the front of the television lights BLUE.
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 11

... unit to shock. IMPORTANT: If the POWER indicator on the television still does not light up, press POWER on the remote control to the remote control sensor. UNPLUG THE TELEVISION FROM THE OUTLET AND REPEAT THE INSTALLATION STEPS. IF YOU STILL ENCOUNTER NO POWER, PLEASE CONTACT US AT 1-800-BE-SHARP. 11 QUICK REFERENCE Using the Remote...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 15

Part Names TV (Front) TV (Side/Rear) *2 Volume buttons (VOL +/-) Channel buttons (CH / ) MENU button INPUT button POWER button *1 INPUT 5, 6, 7 (HDMI) *3 AC INPUT terminal INPUT 4 (PC IN) Remote control sensor POWER indicator (See page 19.) *1 INPUT 1 (AV IN) USB Earphone Output INPUT 8 (HDMI) Antenna/Cable in RS-232C IOIOI AUDIO OUT INPUT 2, 3 (COMPONENT) *1: See pages 12, ...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 16

....) 222These buttons do not function. 222RETURN: Return to the previously tuned channel. Part Names Remote Control Unit 21 3 4 5 6 7 8 10 9 11 12 13 NO FUNCTION 14 15 16 17 18 19 20 21 22 23 16 Select Enter Enter •• When using the remote control unit, point it at the TV. 11 POWER...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 19

... first use this TV for a long period of time, be sure to remove the AC cord from English, Spanish, or French. • Press a/b to select the desired language listed on the screen, and then press the d button to use the Wizard for the first time, the Initial Setup will turn the power off . • If...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 21

...power indicator lights red) when the remaining time reaches zero. 21 Off, 10, 20, 30, 40, 50, 60, 90, 120 • When set a time when the TV... adjust the sleep timer, you can change the volume by pressing CH +/- Changing Channels You can press... SLEEP, the remaining time switches as shown below . - Direct Button Operation • An image from the selected source automatically displays. ...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 25

...25 On-Screen Display Menu Menu Items For TV Mode Video Menu 28 AV Mode 29 Backlight 28 Brightness 28 Contrast 28 Saturation 28 Hue 28 Sharpness 28 Color Temperature 29 Warm 29 Normal 29...Blue Stretch 29 Game Mode 29 HDMI Mode 29 Adaptive Backlight 29 Audio Menu 30 Balance 30 Bass 30 Treble 30 Sound Surround 30 Equalizer 30 Speaker 30 SPDIF Type 30 Auto Volume Control 30 TV...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 26

... SPDIF Type 30 Auto Volume Control 30 Setup Menu 32 OSD Language 32 View Mode 24 Stretch 24 Side Bar 24 Dot by Dot 24 Blue Mute 32 Time Setup ...Reset 33 Parental Menu 34 Program Block 34 Rating Enable 35 U.S. Movie Ratings 36 Canadian English Ratings 36 Canadian French Ratings 37 Block Unrated 37 Input Block 37 Change Password 37 Clear All 37 USB Menu 38 Multi-Media 38 26 TV...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 27

... Video AV Mode Standard Audio Backlight 100 Brightness 50 TV Contrast 50 4 Setup Saturation 50 Hue 0 Parental Sharpness 10 USB Color Temperature Advanced Video Enter Enter Select Return Exit Enter Enter Select Return Exit The bar above is an operational guide for this item. 2 Item displayed in blue • This indicates that the item...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 29

.... DNR DNR (Digital Noise Reduction) enables you to adjust your TV is receiving a computer signal. Blue Stretch When Blue Stretch is full scan •• Video: HDMI input timing ...of -100 for each still film frame for high-definition picture quality. Color Temperature For a better white balance, use c or d to "soften" the screen representation of Standard, Movie, Power Saver, ...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 32

...the time automatically, or turn blue and the sound will appear on the TV screen. Caption Analog ... Video Audio TV Setup Parental USB OSD Language View mode Blue Mute Time Setup Caption Location Version Info Reset English Stretch...television programs on the screen during the transmission of a Closed Caption program. 32 Time Zone Set your current location for the action on the captioned TV...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 40

... the Liquid Crystal panel to change in a hot or cold location. This does not affect the TV's performance. This is...power been turned on the remote control unit? (See page 21.) •• The TV sometimes •• This is suddenly turned off the power of the TV or unplugging the AC cord and re-plugging it under strong or fluorescent lighting? •• Is a fluorescent light...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 41

...LC-32SB28UT-A LC-42SB48UT-A 32" Class (31 1/2" Diagonal) 42" Class (42 1/50" Diagonal) Active Matrix (a-Si TFT LCD) Active Matrix (a-Si TFT LCD) 1,049,088 pixels 2,073,600 pixels (1,366 x 768) (1,920 x 1080) American TV...INPUT 1 Side USB Earphone Output INPUT 8 OSD language Power Requirement Power Consumption Weight TV + stand TV only 1-125ch (non-scrambled channel only) 2-69ch 1-...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 43

... settings on the PC to match the TV's communication conditions. m(soarme ethfaunnc1ti0o,n00a0s) ... Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that 4 values are as CH - ) C L C P x _ _ _ (Toggle) Toggle...inside . 5: DYNAMIC (Fixed), 6: DYNAMIC, 7: PC, 100: AUTO VOLUME VV OO LL MM VVoolulummee(0(0--6600) ) POSITION POSITION VIEW MODE...
LC-32SB28UT | LC-42SB48UT Operation Manual - Page 46

Please contact 1-888-GO-SHARP for repair at the Servicer's facility and return the set forth below . THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. No other warranties, express or implied. Some states do to Obtain Service: LC-32SB28UT LC-42SB48UT LC-32SB28UT / LC-42SB48UT LCD Color Television (Be sure to remove and/or reinstall a Product above and beyond the foregoing are...

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