Question about Sharp Aquos LC-37G4U 37 in. HD-Ready LCD Television

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Sharp lc26dv24U has sound but no picture for tv and works fine with dvd

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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SOURCE: Sharp LC32D62U sound problem

I had the same problem with a lc46se94u.
It went away the next day.

Posted on Oct 25, 2008

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budmrtn
  • 11361 Answers

SOURCE: 42 sharp lcd tv picture won't come on but the

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Dec 09, 2009

ginko
  • 19396 Answers

SOURCE: I have a Sharp LC26DV24U

Hi.

If the screen is blank with back light on but no picture, then the problem is usually the digital board. There is no other way to test the board than reading voltages and following the schematics. Voltages are detailed in the diagrams in service manual, available here : sharp_lc-26dv24u_[ET].

The digital board starts at page 11.

You can also test on power board the lines 12VDC, 5VDC and 6VDC that supply power to digital board.

For safety reasons testing and repair must be done by a trained person.

Regards.

Ginko

Posted on Apr 30, 2011

spr1949
  • 1182 Answers

SOURCE: Sharp TV - no picture, sound is fine

Hope this is an LCD TV. If it is, show a torch light from a distance and see whether the picture can be seen. If yes, the backlight has gone bad. If no, try changing the input device to something you know works. If nothing works, this is a case for a qualified service technician.

Posted on Jul 29, 2012

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Connect the TV to any other video source, ie, from a VCR or DVD player. Check whether the working is perfect both with picture and sound. It's needn't to say, that you have to select proper input selecction. If the TV woks fine now, make sure that the RF stage circuit has the fault.

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Have you tried cable or another source? If so how long have you owned the tv as it sounds like it may require servicing. I can give you the contact info to locate the nearest authorized dealer or local repair shops as well.
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sounds like you have receiver connection problem..

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Hope this is an LCD TV. If it is, show a torch light from a distance and see whether the picture can be seen. If yes, the backlight has gone bad. If no, try changing the input device to something you know works. If nothing works, this is a case for a qualified service technician.

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I bought an HDMI wire and it does not work with my tv.


A quick Google search for "IBIAO Technology" on November 2017 had no hits for me. This is not a comment on the quality of their products but might indicate a smaller than usual company or distributor.

I have purchased more than 10 generic HDMI cables from "Mycablemart". All continue to work perfectly on my TVs (LG, Samsung, Sharpe, Viewsonic). These sets were manufactured between 2006 and 2011 and include a 3D plasma unit. Cable prices were typically one half to one third that of big box stores for the purchased lengths of 18 inches to 15 feet.

A Google search using "powered hdmi cables" had a hit for an HDMI.org.learning center with questions and answers to just about every HDMI related issue. One Q/A indicated normal HDMI cables will work up to 10 meters (30+ feet) if the sender/receiver are engineered properly. You might consider buying an active or powered HDMI cable if a cheaper standard cable will not work.

https://www.hdmi.org/learningcenter/kb.aspx?c=13

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I have a 32 inch sharp tv and it has been working fine, but i just went to watch a dvd and got sound from the dvd but a green, disjointed pattern instead of pictures. i switched dvds and it was the same...


there is a possibility that you have switched the RCA cables for the right port, the color patterns happen if your plug the component RCA ( Y Pb Pr) on a diff port. their usually color coded so please double check that to.

e733778.jpg if not, please let us know what is the model number of the TV and we will find what can be done in the TV.

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TRY CALLING BEST BUY'S GEEK SQUAD TO COME FOR A IN-HOME REPAIR SERVICE CALL AND THEY WILL FIX YOUR PROBLEM!

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