Question about Toshiba 57H83 57" Rear Projection HDTV

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Horizontal lies Has lines at start up, goes and comes as it wrms up. Can tap TV on bottom side and lines go away.

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1)check the connection of the components in you motherboard maybe there are some connections that are loosing.
2) check the flyback.

Posted on Jan 09, 2008



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Posted on Jan 02, 2017


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Sony KV-36FS210 intermitted horizontal comes and goes nothing is coming up on self test. notice when tap lightly if facing tv on right side it stops. took back off just don't know what I'm looking for....

Sounds like a loose contact. Check all the solder terminals at the horizontal output as well as IC terminals, for any loose or dry solderings. Re-solder all the suspected solder terminals, by applying a little more solder, without making any solder-bridge short in between adjecent solder terminals.

Oct 11, 2013 | Sony FD Trinitron WEGA KV-36FS210 36" TV

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After moving the TV it developed dozens of horizontal lines from top to bottom of the screen. This occured during air broadcasts and using the DVD player. The picture was visible but had the lines. It...

If you wish to get some details; visit the site linked here. Pull up older posts.
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size

May 10, 2017 | Hitachi 36UDX10S 36" TV

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I've had my Toshiba 46RV530U less than 2 years,

Diana, did you ever find a solution? My Toshiba (same model) is about 2 years old and it started getting these 4 horizontal lines spaced pretty far apart and a double image at bottom. When I lightly tap the top of the TV, they went away. But now that is not working. Please let me know. Thanks.

May 15, 2010 | Toshiba REGZA 46RV530U LCD TV

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Last week, i started seeing horizontal lines on the screen. sometimes it goes away and sometimes in comes back. it seems to come back when i put the camera on the sides ways or flip it upside down.


see the link for free repairs from SONY dont worry if u are out of warranty and not on list just call them PLS RATE ME FIXYA for help

Apr 13, 2009 | Sony Cyber-Shot DSC-P32 Digital Camera

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Come on then line horizal across screen then turs off

Horizontal line (up and down) is know as horizontal collapse. This is usually located around highvoltage section of the circuit. Because this circuit depends on certian frequencies and voltage protection circuitry will shut the set down. This will need a trained tv technician to fix this and can be expensive depending on the parts needed.

Mar 06, 2009 | Panasonic PT-47WX53 47" Rear Projection...

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Toshiba 50A61 Horizontal Lines in picture

You have bad connections somewere need to look further for sure

Nov 08, 2008 | Toshiba 50A61 50" Rear Projection...

1 Answer

Horizontal blue line

The intermittent horizontal line is cause by a loose solder connection in the vertical amplifier IC.
The IC is mounted on a heatsink nearby or around the flyback transformer.
The way to fix this failure is to add fresh solder where you see some brown spots on the circuitry that were cause by components getting hot.
Good Luck.

Jun 20, 2008 | Sharp 25R-S100 25" TV

1 Answer

Zenith IQB60M92W 60in Rear Projection

Sounds like some kind of local interference. The first thing I'd try is disconnect the antenna input. If the wavy line goes away, it's probably something coming in through the antenna. Then I would start shutting off the circuit breakers until I was down to just the one the set is plugged into. If it goes away I would start flipping the breakers on, one by one until the noise returned. If you can isolate it to one circuit, start looking at everything that is on that circuit. If all else fails, call a TV tech.

Oct 01, 2005 | Zenith IQB60M92W 60" Rear Projection...

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