Question about Hitachi 43UWX10B 43" Rear Projection Television

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Power problem My tv doesn't turn off completely. The picture goes off, but the power light stays on and I can see some lights on through the vent holes on the back. I tried unplugging, hoping it would reset itself, no help, except everything goes off.

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Omar Urrutia
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  • 337 Answers

You have a relay getting stuck or a power supply problem,either one needs the help of a qualified technician to diagnose and correct,there are dangerous voltages and You should not be around them unless you are familiar with this type of work.Be safe and call for an estimate.

Posted on Sep 18, 2006

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Posted on Jan 02, 2017

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We have a 2007 Sony Bravia 46" KDL-46VL130. There is not sound or picture. When we power it on the green light comes on blinking once and then the red light blinking once and then the green light stays on....
Does the front light stays green ? Or goes back to red ? The back-light going on/off maybe the problem, but it shoul return with a red blinking led (4 times ?) and if so it can be a power inverter problem.

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TV picture goes out after 10 minutes of viewing with popping sound
It can be a couple things. Something bad on the power board. Or the vertical output circuit. How long ago did you purchase the television. Your best course of action is to have it serviced.
If you need any information or other assistance let me know.
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The TV has power but no picture, but on video mode it's fine.
Set is on then, are you using a box of any sort for signal? If so unplug the set and it for several minutes and power back--a box can do this.

Dec 19, 2012 | LG 42LV4400 42 in. HDTV

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I am currently working on a Sharp Lc37sb24u. I was originally thinking it had a bad inverter board but now I am not so sure. When I turn the tv on the picture comes up with audio for about 2 seconds the...
Did you check the service manual troubleshooting guide yet. You can try disconnecting the power to the inverter board and see if it will stay on and have sound.
Service manuals:
http://elektrotanya.com/?q=showresult&what=Sharp%20LC37SB24U&kategoria=&kat2=all

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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1 Answer

A red light comes on where you turn on my Phillips hdtv, and then the picture goes out. The sound stays on. You can cut tv off and the picure will come back. But after a few minutes the red light comes...
Ur CRT video board long neck connected holes to long neck,must resolders,cold solder.

Or this a LCD TV?Must change ur LCD inverter board it dead,replaced it to get picture back.

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1 Answer

While watching tv it just turned off, we turned it back on but no pictures but there is volume. also to turn it back on we see red light and green light together flashing then it turns off. i just replaced...
MY TV TURNS OFF AFTER WE TURN IT ON IT GOES BACK OFF A FEW TIMES AND THEN STAYS ON. AND WHEN I COME HOME FROM WORK IT STARTS ALL OVER AGAIN, THAT HAPPENED FOR 2 WKS NOW IT JUST GOES OFF YOU ONLY SEE THE GREEN LIGHT ON THE FRONT COME ON(POWER LIGHT) AND IT GOES RIGHT BACK OFF IT WILL NOT STAY ON

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My Sceptre LCD TV Power turns on briefly (blue
Power supply is the place to look, look for bulging on top of the capacitors in the secondary side of the main power supply.

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Not sure if my TV was hit by lighting?? We had a small storm last night w/lighting. This morning when we turned on the TV it came on and stays on BUT the picture was on for only a split second, then the...
It could be a blown fuse in the back of the tv. Check all the fuses behind the cabinet.

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1 Answer

36 inch RCA tv loses picture and sound, but power stays on
Cable Looses signal power after 20m ... Install signal amplifier
https://youtu.be/AkiKf4G4UE0

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Picture/sound goes out after 10 minutes of TV use
Rear projection hdtv, most likely damaged tubes. Don't repair this by your self get a tv repair man to do it before you injure your self.

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We have a 2007 Sony Bravia 46" KDL-46VL130. There is not sound or picture. When we power it on the green light comes on blinking once and then the red light blinking once and then the green light stays on....

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