20 Most Recent Hitachi 50GX49B 50" Rear Projection Television Questions & Answers

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No Picture, Raster or Sound

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
3/3/2017 2:53:15 AM • Hitachi 50GX49B... • Answered on Mar 03, 2017
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WHAT A PICO FUSE

It is a fuse that does not look like one, in the HItachi sets they are usaully orange or green and look like a resistor.l seem to remember the designation is something like el95 on the board it self.Google "pico fuse photo"
12/23/2012 2:45:28 PM • Hitachi 50GX49B... • Answered on Dec 23, 2012
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Hello could you please answer a question for

change the hd output to 720p if that doesnt workt hen 480p othwerise your tv cant do it. if you are using hdmi try using component cables. also if you are using rca cables red white and yellow that is why

please let me know
3/17/2011 6:35:21 PM • Hitachi 50GX49B... • Answered on Mar 17, 2011
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We have a Model # 50GX49B 50" inch TV, That our

You need to set the antenna input back to ANT A (1), you are ANT B (2) right now that why you are not seeing any signals.
Use the INPUT button on the remote to scroll through until you see ANT A which is the one your kid use for the cable connection,
You should download this user manual:
http://www.retrevo.com/support/Hitachi-50GX49B-TVs-manual/id/371bh845/t/2/

Let me know if it works.
12/31/2010 10:48:56 PM • Hitachi 50GX49B... • Answered on Dec 31, 2010
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I have a Hitachi 50GX49B,

if you bang on the TV or try kicking the very center bottom of the tv and it works or flickers you got a loose solder connection somewhere on the board. I got the same problem. When it warms up the solder, around what ever pin it might be, makes better contact. I am looking into the problem and will post my finding when i figure it out.
9/25/2010 5:56:35 AM • Hitachi 50GX49B... • Answered on Sep 25, 2010
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The screen is blank, i

This is a rear projection TV with three picture tubes-if you have listed the correct model number.

Most likely what you have is a broken or bad solder connections on one of the circuit boards.

Most of these sets use LEAD FREE solder--good for the environment but it does not take well or last as well as the old solder.76d4159.jpgThis is your set?

First, you have to let me know if you have some skill at soldering etc--clearly reading your question I do not know.

If you hit it and it returns to operation the bad connections if you can get at them should be easy to find and solder.

Let me know how much skill you have and I will try to help you--

SD TECH
1/14/2010 3:19:22 AM • Hitachi 50GX49B... • Answered on Jan 14, 2010
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Remote code for hitachi 50ux22ba for rca universal remote

i need the same thing!!!! can anyone tell me the answer?????
10/30/2009 2:17:20 PM • Hitachi 50GX49B... • Answered on Oct 30, 2009
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Can am Hitachi 50GX49B rear Projection TV be

Removing the screen is your best bet -
1 Remove speaker grill
2 remove 4 screws holding the screen frame
3 then lossen the bottom corners where the screen meets the frame by pulling outward (some force is required) and work your way upwards towards the top (two people may be required for support)
4 tilt the loosened frame(20-30degrees) from the bottom up and the top shoul lift and seperate from the frame.

After the screen is of you'll be able to tell what to remove next.
Good Luck!
9/21/2009 1:37:56 AM • Hitachi 50GX49B... • Answered on Sep 21, 2009
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Only has red and green

The Blue CRT Driver Board gould be the problem.
7/7/2009 4:27:27 AM • Hitachi 50GX49B... • Answered on Jul 07, 2009
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Lightening struck nearby and the tv went out. Now

Obviously the tv took the hit but the dvd player was spared. check and replace the fuse in the tv if it's open. If this does not fix it then get an est and file a claim with you homeowners insurance.
4/26/2009 11:30:37 AM • Hitachi 50GX49B... • Answered on Apr 26, 2009
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I just received a Hitachi 50" projection Tv from a friend. He was the original owner and it appears after 8 years the picture quality went bad. After spending some time with the operating manual it ap

Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.
4/24/2009 5:53:37 AM • Hitachi 50GX49B... • Answered on Apr 24, 2009
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Tv comes on then just shuts off will turn right back on

hello it sound like theres may be a dry joint probably in the power supply you would need a strong light and a magnifying glass and soldering iron and some solder

shaun
4/8/2009 5:10:09 PM • Hitachi 50GX49B... • Answered on Apr 08, 2009
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50ux22ba

Common failure is C702 Capacitor near flyback== 102K/2KV shorted==replace w/102K/3KV generic or Sony part number 1-161-754-00.Also,check E994 open 2 amp pico fuse.
2/21/2009 8:00:37 PM • Hitachi 50GX49B... • Answered on Feb 21, 2009
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Blank screen

1)Pull chassis-solder any/all suspect bad solder connects,esp.regulator device pins.Use magnifier take your time.Let me know if you need further help.
12/21/2007 6:10:01 PM • Hitachi 50GX49B... • Answered on Dec 21, 2007
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No power on Hitachi 50UX588

Most likely have a regulator problem. Remove rear cover, look down on the main chassis, turn tv on watch the board to have some colored led's lit, usually a red one and couple of green. If the red is out, its your regulator, if a green one other problems off the circuit with green led are causing the tv not to power up.
8/1/2007 1:45:53 AM • Hitachi 50GX49B... • Answered on Aug 01, 2007
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Hitachi tv shuts off . When I turn on the TV iMessage says please wait then turns off two seconds later.

That sounds like it is not booting properly. I would check for correct power supply opperation and if not that, look for a software reloading procedure in the user instruction manual.
2/11/2024 9:04:18 AM • Hitachi... • Answered on Feb 11, 2024
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12/5/2023 2:26:21 AM • Hitachi... • Answered on Dec 05, 2023
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