Question about Toshiba 53H71 53 in. Rear Projection Television

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Toshiba 53hx71 won't hold vertical/horizontal

I have a Toshiba 53HX71 and over time it lost vertical and horizontal hold. You can see the image but it is scrolling/rolling horz/vert. The problem is on the following inputs video 1,2,3 and ant 1, 2.
Component 1 and 2 are working great.
Also audio is working great on all inputs.
I have replaced the surface mount 10uF capacitors on the hyper board, also found a blown capacitor (330 uF 160V) on the main power board. I have replaced these and no change. Any ideas?

Also does anyone know where to download a service manual?

Thanks,

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  • Anonymous Dec 30, 2008

    i have the exact same problem

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6 Suggested Answers

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Posted on Jan 02, 2017

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premtech
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SOURCE: problem with y toshiba 53hx71

Tito,
There is a fairly common problem with those symptoms. Try removing the srs-wow board, stand-up audio board next to the tuner. If the picture clears up it's likely QD01 on the srs-wow board loading down the scl & sda lines. QD01 is an Njm1136d Toshiba p/n# 23009142.
Bill

Posted on Dec 01, 2007

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  • 10 Answers

SOURCE: Capacitors for Toshiba Hyper box

Yes it will take care of numerous problems. Replace all 10mfd caps on the board.

Posted on Dec 17, 2008

SOURCE: How do I remove the screen of a Toshiba 53HX71. I

You do not remove the screen on that TV. Doing so will mess up your convergence.
Chassis must be removed by a professional.

Call the manufacturer to find you nearest authorized service center.

Posted on Mar 24, 2009

  • 60 Answers

SOURCE: Toshiba 53HX71 Projection TV

  1. If your looking for parts then call toshiba or www.partstore.com

Posted on Aug 23, 2009

  • 1 Answer

SOURCE: i have a model 53HX71 toshiba tv screen is black

check for shorted horizontal output transistor and there is an open high voltage capacitor around horizontal driver.

from esg/pinoy

Posted on Aug 26, 2009

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from esg/pinoy

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