Question about Televison & Video
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Posted on Jan 02, 2017
Ok, There are well three boards in this set that would influence such a
behavior. The culprit is the Key Pad Board. It has what is called a
leaky switch. This then locks up the Microprocessor. This will result
in the set operating like a ghost has the remote.
Posted on Dec 06, 2007
Try entering the model number on website below, they do worldwide delivery, and have one of the biggest database of replacements.
Appliance parts, electronics parts & more from PartStore.com
Posted on Feb 18, 2009
Try to reload the the remote by using the universal remote code for comcast cable.This number should be available in your owners manual or on the Sharp website. You should search the websites frequently asked questions and troubleshooting sections for you model of television to see if someone already has had the problem answered. If all this fails you must contact the customer service for both the remote and television and get help. Hope this helps you with your problem.
Posted on May 12, 2009
SOURCE: I have an RCA TV
The fact that the screen illuminates properly and does not stay absolutely pitch black means that the backlights are working properly.
A faulty LCD Controller Board (or TCon board for short) could possibly cause the symptoms you describe. The Tcon board is usually located under its own RF shield and will have a large braided steel multiwire cable coming into the bottom of the board and several flat ribbon cables connected to the top by little plastic flip up connectors. A replacement board can be purchased on Ebay for around $70 plus shipping. See the following link for one example:
Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the item information at the website indicated.
Just don't buy any that say AS IS for their description of condition. That is EBay speak for broken.
Make sure they say TESTED FULLY WORKING in the item description.
The best way to be sure you are getting the right part is to open up your set and check the part number that is printed directly on the circuit board itself. Then look that part number up on the internet or type that number into the EBay search box.
Just typing in the model number of your TV will sometimes give you a few different part numbers so you have to confirm which part is in your particular set.
Make sure any part that you order online has exactly the same part number as the one you are replacing. Sometimes it it just the last few digits that are different and it can make a difference.
Here are some links to some excellent LCD Troubleshooting Guides from another expert (BUDMRTN) that you can read through and get an idea of the LCD repair process:
Please leave a Thumbs Up rating on his pages if you find his guides helpful.
Please comment back here to this page if you have any details to add, have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.
Thank you very much and good luck.
Posted on Apr 20, 2011
Tips for a great answer:
Jan 24, 2016 | Televison & Video
Jun 29, 2015 | Durabrand DWT1304 13" TV
Feb 15, 2013 | ViewSonic N4280P TV
The Picture in Picture
(PIP) on VIZIO televisions works on multiple input sources. This means
you have to have signal or a device connected to more than one input on
the television and have both inputs selected to display the information
going to them. Here is an example. Let's say you have an HD cable box
connected to your television and you would like to have more than one
channel displayed on the screen in order to keep an eye on both football
games at the same time. With one device connected that's not going to
work out the way our TV functions. What you want to do is get
a coaxial splitter and two extra coaxial cables; these can be found
anywhere home theater equipment is sold. Then follow these steps.
1. Turn off both your cable box and television.
2. Take the coaxial cable that comes OUT from the wall and connects to the IN of your cable box and disconnect it.
3. Connect that cable to the IN on your coaxial splitter.
Connect your two extra coaxial cables to the OUTs on your coaxial
splitter. We will call them cable 1 and Cable 2, just because.
5. Connect cable 1 directly to the DTV/TV input on your television.
Connect Cable 2 directly to the IN on your cable box, this will be the
same connection you removed it from in step #2. Your HD cable box should
still be connected to your television with either an HDMI cable or
Component cables (Identified by their Green, Red, Blue colors for video
and Red and White cables for audio.)
Power on both the cable box and your television. Using the INPUT button
on your VIZIO remote select the input connection where your cable box is
located your cable box picture should come up on the Main screen.
Press the PIP button on your VIZIO remote to bring up the small box in
the corner. Press the PIP input button until you select the TV input and
you should be ready to go. You may need to perform a channel scan with
your TV tuner to locate all available channels before you do this step.
In order to understand better how to perform a channel scan please check
under the F.A.Q.s in the discussion area of your particular model
In order to change channels in the small screen use the PIP CH - and + buttons located near the bottom of the remote. You can swap picture in the Main and Sub screens using the swap button and swap which screen will sound off its audio by using the AUDIO button. You might notice an X next to some of the selections in the INPUT and PIP INPUT screens when you have PIP activated. That means that input selection is unavailable and cannot be used. For example, if you have the input TV selected on your main screen then if you press the PIP INPUT button and bring up that input menu you will see X's next to the TV and AV selections. The X's mean that when you have TV on the main screen you won't be able to use TV or AV on the small screen. Instead you would need to use any of the input selections that do not have an X attached to them.
Sep 14, 2011 | Vizio VF550M 55 in. LCD HDTV
Aug 08, 2010 | LG 42LC2D 42 in. LCD HDTV
Apr 24, 2010 | Samsung LCD-TV LE40S81B 40 in. HD-Ready...
Mar 13, 2010 | Yamaha HTR-5540 Receiver
Nov 22, 2007 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV
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