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Half the display panel is black on rca tv, if i tap the tv it comes back on. could it be a short in the wiring? i need a wiring diagram for a l42fhd37r model

Posted by katie unwin on

1 Answer

Terry Hair

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  • RCA Master
  • 4,134 Answers

It is most likely a loose ribbon cable from the TCON board to the flat panel itself. They commonly come loose when the TV is on a swivel stand and is moved frequently. This is because the swivel motion often causes a slight twisting of the LCD frame and this works the ribbon cables loose.

Posted on Jan 25, 2015

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  • 2 Answers

SOURCE: directv remote will not program to rca L42FHD37R.

"This TV utilizes new remote control signal codes and may not be compatible with your existing universal remote (e.g. satellite box remotes, cable box remotes, generic universal remotes, etc.). Over time, newer universal remote controls that become available should pick up the new TV codes."

Posted on Jan 28, 2010


  • 308 Answers

SOURCE: Picture goes black on bottom half of the screen

You have a bad connection to the panel or bad caps on the boards. Not something for the DIY'er. High voltages in plasma sets.

Posted on Mar 31, 2010


  • 2 Answers

SOURCE: remote codes to work a rca, l42fhd37r

These are RCA codes:
1158, 1157,1154,1150,1149,1148,1147,1146,
I don't which may work for you. If nobody else replys, trial & error.

Posted on May 09, 2010


The Knight

  • 76851 Answers

SOURCE: Sanyo 24 in flat screen

Your flat panel TVs picture tube base board has soldering loose contact with it. Just unplug your TV from AC mains socket, and open it. Pull out the picture tube base card from the picture tube neck. Pull it out straight, no shake must be there, as it will damage its connecting pins.
Normally, loose sodering are very difficult to loacate, as they will be quite micrscopic in size. Just resolder all the suspected loose sodering point on that board, by applying a little more solder. This will solve your TVs problem. OK.

Posted on May 26, 2011

Testimonial: "Going to try resoldering all the connection,as you stated only seam logical if hard to find, do them all. thank you. PS. I was not thinking..."


The Knight

  • 76851 Answers

SOURCE: I need to reconnect the power cord back on my RCA tv. I have the black wire soldered back on to the tv, but I don't know where the white wire goes. Thanks!

The white will go to the main On/Off switch.

Posted on Dec 01, 2012

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Related Questions:


I got a rca lcd flat panel HDTV. the sound is fine but the screen is black.

This sounds like a dry joint on the main board.

Go to your local repairer.

I have a RCA L32HD31YX12 TV. The TV works fine for a half hour and then the screen flickers and goes black. The sound continues. If I turn the set off for a half hour, it works again for another half

You have answered your own question, someone needs to open it and find a loose plug or broken solder connection--if it reacts to being tapped on that is the issue- a physical problem inside.

I have a 22 inch AOC Envision LCD TV. When I first turn it on, only the top half of the screen displays picture while the bottom half is a gray/black color. If I wait about ten minutes or if I tap on the...

There is some loose solder terminals at the vertical scan output section at printed circuit board. If you are handy in electronic circuit boards, loacate the vertical output section, resolder all the suspected solder terminals there. This must surely rectify the problem to your TV.

How to add an Exterior Speaker to Sony KV-13M10

Welcome to FixYa!

To add an exterior speaker to Sony KV-13M10, you have to have an AMPLIFIER.
  • At the back of your TV you will be able to see 3 RCA output namely = VHF/UHF, Audio and Video.
  • Use an RCA cable and connect to the Audio output.
  • At the back of your amplifier, connect the other end of the RCA cable to an RCA input labeled Audio - L (left, usually in white color).
  • Your speaker should be connected to your amplifier labeled output or audio out. The connection type depends on the make and model of your amplifier. The speaker wires usually come in red and black color. red goes to red, black goes to white.

A simple diagram will look like this:

TV audio out -------------> amplifier audio in (left, white color) amplifier audio out (left, white color) -----------> speaker (black wire) amplifier audio out (right, red color) ------------> speaker (red wire)

Thank you for using FixYa.
Have a great day.

I have a rca f27442 tv and the picture is half

yes!!!! very common problem. soldering the vertical section and the grounds around the tuner section will fix it. guaranteed fix. for a quick fix, take off back and while tv is on, take the plastic side of screwdriver and tap tap tap the tuner section. see i told you that would fix it.

Won't turn on

hv splitter is shorted,this item is behind the speaker grill,remove the access panel,part is mounted between the left and middle tube,has red wires and black wire connected on the left,part number 205064
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