Question about Hitachi 53UDX10B 53" Rear Projection Television

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Vertical size I have a black border at the bottom of the screen and a border on the top left corner of the screen. What can be the issue?

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Convergence problem , ic replacement

Posted on Nov 06, 2008

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I have a 46 inch RCA 46la45rq and it has a yellow bar going vertical across the picture


Go to a unused Video input and examine the screen---if bar is top/bottom it is horizontal and if left right it is vertical.

A bar top to bottom (most common) that is NOT black is usually fixable.

I would suspect a bad circuit board and the worst case will be the display panel itself is the problem which is fatal---a lot of the Panels (the entire front screen unit) are in series which means if a section of the panel fails the entire area it covers will be blank---usually Black.

Boards would have to be subbed to see if one is causing it or it is the panel.

I know it is a pain but try contacting RCA to see if this is a common issue with this model and if they have any software upgrades for this.

A number of other people who have posed questions here have reported (no surprise to me) RCA almost impossible to get help from "they ****" was one comment made to me.

Thompson is the parent company

The only other possible suggestion (since line is Yellow) is it may be a loose cable or connection somewhere in the set--even inside the panel.

Mar 24, 2012 | Projection Televisions

1 Answer

My JVC model AV-20F476 has a black-out box that covers most of the bottom half of the screen.


Go into menu and under CLOSED CAPTIONS look to see if TEXT is engaged---if it is set to text 1 turn it off or to text 2,3,4, etc

Text was a feature never really used but it is there, some cable boxes also have this setting/feature.

Let me know if you have questions.

Jan 11, 2012 | JVC Projection Televisions

1 Answer

1/4 of screen is black (right side)


It is the light tunnel. The tunnel is four small pieces of glass in a aluminum tube the size of tootsie roll. in the center of the light engine.

Mar 15, 2009 | Projection Televisions

1 Answer

Picture is cut off on the bottom of my Hitachi 57F500


Verical position is hard to adjust and is in service menu. A service manual will get you there, but you might get lucky with the vertical size adjustment. If you open the front of the TV, the vertical size is adjusted with a knob on the deflection board. Remove the speaker grille and take off the access panel. You will see two knobs, one horizontal and one vertical. Be careful, those red wires have 30,000 volts on then, don't touch anything but those knobs. If its just an adjustment, the v-size knob will fix. Set it so ESPN ticker is just above the bottom of the screen. *Service mode - the manual tells little but entering is done by "press and hold the input button, press the power button, release both after you hear HV come up" .. the v-pos parameter is in there, but this manual doesn't say where or how to adjust, procede at your own risk. If you get into trouble, pull the power so you don't save any settings. I believe you just navigate through the menus to find the parameter and use arrows to adjust. Enter may save. Sorry the service manual I have tells nothing much.

Dec 07, 2008 | Hitachi 57F500 57" Rear Projection...

1 Answer

Picture jumps


you might have bad caps or the vertical output integrated circuit, try to locate the vertical ic and check the surrounding areas for bad capacitors.


good luck


caypianan@yahoo.com

Oct 23, 2008 | Hitachi 53SWX10B 53" Rear Projection...

1 Answer

ILO tv black screen on top black screen on bottom with only about a 4" picture screen in middle... can you help thanks jerry


Hello dacrewof6,

This sounds like your vertical section is malfunctioning. This can be caused by the vertical drive section which connects to the yoke transformers of your CRTs. I would suggest taking the set to a qualified repair shop and having them check the vertical section of the TV.

I hope this helps

Thank you,

Shuttle83

Sep 11, 2008 | Projection Televisions

1 Answer

Black vertical line 3inches in from the left on my fujitsu PDS4233W-H plasma screen


If the line is all the way from top to bottom, it could be your upper and lower buffer boards or your plasma display unit is bad. I suggest you contact a servicer for your brand.

Apr 01, 2008 | Projection Televisions

1 Answer

TV Blinks on and off


Phil, from your description it sounds like your convergence IC`s are about to fail, the intermittent off/on cycle is because as they heat up there drawing too much current, the bowed collapse tells me it`s the vertical convergence IC that`s the culprit. You need to get a tech out asap to fix this or they could short and take out the power supply as well and that`s just mooore money to fix it, hope this answers your question, BMW Rider

Dec 05, 2007 | Hitachi 43FDX15B 43" Rear Projection...

1 Answer

No picture, just red-blue-green lines through the middle of the screen very faint.


The PT-53WX54 is a standard projection set and does not have a bulb. It has 3 separate picture tubes. If you have lost the picture completely, not even on-screen menu, then something has stopped working in your set. It could be a video processor, vertical deflection or possibly a convergence problem. The set should be serviced by a qualified tech familiar with the Panasonic projection sets.

Aug 22, 2007 | Panasonic PT-53WX54 53" Rear Projection...

1 Answer

Converge problem


Sounds like convergence issue--replace Stk IC's mounted

on large heat sinks. Check power supply for open fuse device.

Re-check convergence alignment.

Aug 11, 2007 | Philips 60PP9352 60" Rear Projection...

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