Question about Hitachi 50UX57B 50" Rear Projection Television

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My tv just quit working

I have a hitachi 53sdx89ba and i can get the sound to work but no picture please help

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  • tzeigler Aug 12, 2008

    The picture is distorted, the colors are separated.

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50UX50B/53K

Posted on May 05, 2008

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Posted on Jan 02, 2017

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Have a Hitachi 53sdx89BA Rear Projection TV. Turn on TV and red power light illuminates. No picture, but have sound. Check PC board in back and red led is flashing and green leds are lit. It was working...


Discharged Flyback Transformer. Removed main pc board from bottom of TV and flipped over, no apparent damaged components or blown board traces were found. Noticed a lot of flux in various areas on the board that seemed unusual (maybe TV was worked on before as I bought a showroom demo at Circuit City). Used a plastic screwdriver to remove all flux between connections on ICs, Transformers, Flyback Transformer, and various other components. Cleaned all debris, dust and crud accumulation (TV is over 10 years old and there was alot around the Flyback Transformer) from both sides of board using a lightweight paint brush.
Used a magnifying glass to check all solder joints for possible cold solders and found none. Did the same for Power Supply Board. Checked various ICs and Power Transistors for opens or shorts (in machine) and they seemed fine. Reinstalled boards, said a few Hail Mary's and fired it up.

The protector Led no longer flashed under power and lo and behold I got picture and sound!

I cleaned the lens on the projectors (again 10 years of dust accumulation) did a magic focus adjustment and it works fine!

After reading other fixes, I fully expected it to die after 10 minutes so I left it on all day and against all odds it still works.

What was the fix......Dirt buildup on and around Flyback and other components,,,,,,Flux conducting electricity between contacts on Flyback and other components.....or oxidation on connectors between Power Supply and Main Board.....I don't know.... all I know is that for the moment I saved around $ 300 - 400 in repair bills by doing it myself.

Feb 01, 2010 | Hitachi 53SDX89B 53" Rear Projection...

1 Answer

TV turns on no picture


Symptom: DEAD
Cause: I901,D907

If you need the full downloadable service manual for Hitachi 53sdx89ba click HERE!

Mar 12, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Hitachi 53SDX89BA - only sound coming not picture


you may have a shorted hori output transistor or open pico fuses they look like resistors in away but they are green or yellow looking some are 5amp or 6amp fuses if they are bad replace with same value.

Jan 17, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Hitachi 53SDX89BA HD settings


Problem more than likely with the xbox, as the output stream of data from the game platform is not always consistent...accordianman

Dec 29, 2007 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Using Hitachi's 53SDX89BA High-def settings w/ HD-DVD


look at these see if this helps
http://www.hdtvoice.com/voice/showthread.php?t=16973

http://www.hdtvoice.com/voice/showthread.php?t=8721

Most HDTVs cannot properly stretch incoming HD signals, however, if the programme is true HD, you should not much of the image off-screen - most new HDTVs have about 2% overscan and the tickers should be on screen when watched in the appropriate stretch mode.

See:

http://www.hdtvoice.com/voice/showthread.php?t=1044 and

http://www.hdtvoice.com/voice/showthread.php?t=1052

Dec 29, 2007 | Hitachi 50UX57B 50" Rear Projection...

2 Answers

Hitachi 53SDX89BA


I also have a Hitachi 53SDX89BA and I bought it with the same assumption as you: that it's HD ready. The specs in the manual states the following: "Full 1080i HDTV Capatable with Set-Top Box". I beleive this means that it does not include an HD tuner, but that it is capable of handling up to 1080i resolution. Normal (non-HD) resolution on this TV is 480i.

So here's my problem: Until recently, I wasn't using the HD settings on this TV because I don't have a set top box, nor do I subscribe to any HD content from my cable provider. However, I just purchased an XBox 360 along with an XBox 360 HD-DVD player (it's an XBox peripheral that works with the game console). The Xbox asks you to choose the resolution output (480i, 720i or 1080i) to match your TV's HD capabilities. When I select 1080i output and change my TV's settings to receive an HD signal, the picture quality is amazing. However, the video signal seems to get lost ocassionally (i.e. TV picture gets scrambled) but then it comes right back. This does not happen when I select a 480i output on the Xbox...but of course, the picture isn't as crisp and clear as a 1080i picture.

I don't know if this is a problem with the TV or with the Xbox. Has anybody else had this problem??

Dec 06, 2007 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Hitachi 53SDX89BA Projection TV


CRT lenses need to be aligned. Would recommend having a profesional technician do it. Easy fix for a CRT profesional but quite technical for the homeowner. Before fixing it, unplug. open up back go in and look at the front of the tubes with a bright flash light. If you see a brown square under the lenses you might just want to upgrade instead of fix. Brown square is CRT burn.

Oct 27, 2007 | JVC PD-42WV74 42 in. Plasma EDTV

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