Question about Hitachi 53UDX10B 53" Rear Projection Television

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TV Troubleshooting Hi my name is Jose .I Have a Cable services on my TV becouse I did not oay on Time they turn off the box My TV turns off to .I can'nt turn back on antill they turn the box back on .but all the colors were mess up especialy the red color is way out the line

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Good Day Joseamunoz2;
It sounds like the convergence circuit has failed, but it does not normally cause the TV not to turn on. Until you get a signal (cable) back on, double check your concerns.
Good Luck, big IRISH.

Posted on Aug 25, 2008

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My colors are extremely messed up... they are very dull! Blues and greens look the same and purple looks black just an example.

  1. 1 Consult your TV's troubleshooting guide. Follow its recommended steps. Most problems can be fixed by troubleshooting.
  2. 2 Diagnose what's wrong with your TV. There are many TV repair tip websites on the Internet you can consult, like the "Notes on the Troubleshooting and Repair of Television Sets" website (see Resources below). Or, try asking a TV repair question on an online message board like (see Resources below). You can also find books on troubleshooting projection TV's. Check your local library or bookstore for a book like "Complete Projection TV Troubleshooting and Repair."
  3. 3 Get your TV's service manual to find a diagram of your TV's circuits. You can get a service manual through a retailer that sells your TV brand or through an online store like (see Resources below).
  4. 4 Gather the necessary tools. For most projections TVs you'll need a Phillips head and a flathead screwdriver to remove the back shell. You may also need a digital multimeter to test the circuits.
  5. 5 Know the common problems and fixes for a projection TV. Below are a few common problems that people come across when a projection TV goes on the fritz.
    • Blurred, snowy picture: Turn on your projection TV and wiggle the coax cable from your cable box or antenna where it connects to the TV. If the picture fluctuates, you know that you have a loose connection, or that the coax cable is bad.
    • Blotches of color on the screen: Caused when your projection TV becomes magnetized. Use a strong magnetic coil and make circular motions around your projection TV screen starting on the upper left corner. Increase the size of the circles you're making until you've covered the entire screen. Slowly move away from the screen; continuing to make circular motions with the magnet. When the magnet loses contact, the color blotches should be gone.
    • TV shuts off randomly: It's usually caused by overheating. Remove any heat-emitting objects or anything that may be insulating the TV and causing it to overheat.
    • Speaker emits static: Follow the remaining steps to replace a speaker.
  6. 6 Unplug your TV's power cord from the electrical outlet and disconnect any peripheral devices like a DVD player or cable box. Place your television screen-down on a soft surface.
  7. 7 Remove the screws that connect the back shell to the rest of the TV. Then pull the shell up and off the TV carefully. Set it aside.
  8. 8 Consult your TV's service manual to find the part that you need to replace or repair.
  9. 9 Place the shell back on the TV once your repairs are finished. Replace each screw to secure the shell to the TV.
  10. 10 Plug your power cord back into the electrical outlet and test your TV. If your repairs weren't successful, it may be time to consult a professional.
Hope this helps, give me thumbs!

Aug 23, 2010 | Philips 60PP9352 60" Rear Projection...

2 Answers

Red power light flashes and set wont come on


Turn off the tv for five minutes and then turn on..

Can u tell me model no and company name so that i can help u clearly

thank you

Oct 12, 2008 | Hitachi 46F510 46" Projection HDTV

3 Answers

HDMI settings wouldn't work


What did you do to lose the HMDI output? How is everything exactly hooked up?

Apr 30, 2008 | Televison & Video

2 Answers

The tv just shut off after being on for about 5 minutes,now when trying to power on the power light flashes 4-5 times then it shuts right back off it's a 32" lcd magnavox 32mf338b

Hi Michael,

It sounds like you are having a problem with the mainboard in your TV. You could try a power drain:

1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use.
2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.
3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on. If this doesn't help, the TV will likely require service. Since the TV is attempting to power on, I would say the power supply is fine otherwise you wouldn't see the LED's flashing. Good luck.

Oct 16, 2008 | Televison & Video

1 Answer

Problem with TV

One of the boards may have failed, have you looked inside the tv?

Sep 08, 2008 | RCA Scenium D40W20 40" Rear Projection...

1 Answer

Tv flashes/strobes

First - I did not send in my question when I realized yours was a pay-for service. No offence, but I generally try to exhaust all approaches I can do on my own before going to paid assistance. Yes, it probably takes more time - but my rate is pretty low (ha).

Anyway - what I did was turn off and unplug the TV, the DVR and the Cable box, and
let them all sit from the time I left for work in the morning until I got home that night, about 12 hours. When I plugged everything back in - cable box first, then DVR, then TV, if that matters - everything was working fine.

I am not sure what caused this problem to begin with. I don't think it was the cable company (Comcast) because when I disconnected the TV from the cable service entirely the set was still blinking on it's own. I guess it is possible that the cable co triggered something - but how? We did have a loss of service from them for Internet access the day before the TV problem, but the set didn't have any problem until the next day. My wife thinks it was because the kids were playing a Wii console game before the trouble began - but the kids play with the Wii often enough without any later problems.

So, the set is working OK again and I am not sure why - can't get any good info from Mitsu on the web ....oh well .... now if I could just get the darned remote to work.

Apr 07, 2008 | Televison & Video

1 Answer

Can the hdmi cable cause promblems with tv turning off Toshiba 47 hd 1080p" regza. tv would not turn on for some time until i disconnect hdmi cable from cable box. thought tv was broken, maybe it...

Part of your message I cant really understand but if this helps you out at all, Try to get a new box from your service provider. I have been hearing other people having problems losing signal from HDMI enabled cable boxes, if it doesnt work then just try your standard Component cables, they can still output 1080p from an xbox 360 and thats better than the 1080i you will get from cable. Some TV's just dont keep the power flowing to the HDMI reciever for some reason or another. The component cables shouldn't give you any problems though. Good luck.

Jan 26, 2008 | Televison & Video

1 Answer

Samsung Rear Projection DLP HDMI Captions

The captions are turned on in the cable box itself. If you have a Motorola cable box, turn it off then hit the menu button for the cable box. You will then see where you can turn off the closed captioning. Anymore questions email me

Nov 29, 2007 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

No picture no sound

Make sure you are selecting the correct input on your TV for your TV tuner, sat or cable box.

There are three ways to do this:

1. With the tuner or cable box turned on (you can do that manually or with its remote) use the TV's remote to cycle through all the inputs, until you find the correct one and take note of the name of the input that appears on screen, or

2. Look at the back of the TV and see where it is connected. It will say the name of the input, such as "HDMI1" or "AV2," etc. Then select that input on your TV with the cable or sat tuner turned on, if you have one.

Consult your TV's owner's manual, which will give more information on hookup and selection.

Hope this helps. :)

Nov 17, 2007 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

TV turns on, but no sound or picture from any of the inputs

I don't know if I had any lightning, but it is possible because my DVR/Cable box was operating on limited capacity right before this started. I unplugged everything to reset the DVC/Cable box, and when I turned the tv on, I got real tv sound for a few seconds and then a "no signal" message in the center of the screen. This happens every time I turn it on. It is not the DVR/Cable box because I hooked it up to another tv and it works fine. It's not a bulb because I would still get this other person, none of my inputs will pick up the cable. I really don't want to just have a random service person in here to charge me to figure it out if someone can lead me down the right path to getting it fixed. Please help, I love this tv and don't want to replace it. LH

Oct 29, 2007 | RCA HDLP50W151 50" Rear Projection HDTV

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