Question about Hitachi 42HDS69 42 in. Plasma Television

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TV shuts off after 1/2 hour

Tv is on for 1/2 hour and then it shuts down. After it cools off for a while it will turn on and do the same thing.

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Sound like a heating problem and best and easy way to fix that would be to blow out the dust in it, but if it a Power board problem you should have it sent to a tv repair shop. check the dust problem first.

Posted on Jan 07, 2009

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When i turn off tv it wont go back on for hours


The most likely issue is your power supply is failing. Most likely issue that would cause this problem is bad capacitors on the power supply.
What happens in the above situation is:
After the Tv has been off for some time the electronics and capacitors are cool and supply the correct voltage so the TV turns on.
After using the TV the electronics heat up and the material in the capacitors expands causing the power supply to supply incorrect voltage. With the TV the power is flowing and is close enough to the correct values for the TV to stay on, after being shut off the TV will not turn back on because correct voltage is not present until the components cool down and the voltage at power on no longer engages the protection circuit.

Info on checking and testing power supply's

Info on finding and repairing bad. Damaged, leaking or swollen capacitors

Jun 07, 2012 | Hisense LHDN32V66AUS 32 in. LCD TV

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Samsung hl-s5087w.... Tv is 4.5 years old, and is about 200 hours into its 3rd bulb. Yesterday, very similar to when the bulbs burnt out, it shut off. I thought that it may be getting too hot, so after it...


Above the light is a temp sensor with a blue and white wire plug. This sensor is the problem for all these shut downs in my opinion. Pull out plug and jump it with a wire or paper clip bypassing sensor. Tv should work now!!!!

Apr 23, 2011 | Samsung HL-S5087W DLP TV

1 Answer

Hi, i have a problem with my lg 32" ld350 tv..it


Hello.
This is a thermo-related issue. It happens when some parts in your TV reach certain temperature and fail creating short so TV shuts down and goes into protection mode.
In your TV the only thing that you can do is to replace Power Supply and hope it would help. Main board generally has nothing to do with temperature. Another probability - LCD panel itself (more likely back light inverter boards that are part of the panel, you can't order them separately).
There is inexpensive way to determine if it is power supply or not. You have to purchase fast-cooling spray that technicians use for diagnostic purposes (you can buy one in electronics components store).
You have remove TV rear cover so you have access to power supply board (the one where power cord goes). Turn on TV and let it run and eventually shut down. After that unplug it from wall outlet and use spray to cool down power supply board. Make sure you don't spray too much or you cooling anything else besides that board!. Let residue evaporate and plug TV back and try to turn it on. If it act OK and stays on for long time again - replace power supply and you should be OK.
Otherwise it is time for new TV. Panel is too expensive to replace.
Regards.
Russ.

Dec 01, 2010 | LG 32LD350 32 in. LCD TV

1 Answer

Well my mom was watching tv and it just shut off so then my mom turned it back on thinking she might have hit the power button accidentally. But when she turns it on it started blinking the green light for...


The flashing light red power light should only stay while the fan cool down for about 1 minute after a power off (remember to always wait before unplugging the TV so the lamp can cool down with the fan). Does that flashing start right away after plugging back the TV after an hour of letting it without AC power.

The red light should flash no longer than 10 sec. This prepare the light to be turned on. If all is OK the green should stay (no longer flashing) and the sound and picture come on.

As for the lamp flashing, i bet it's only 1 time each 5 sec? Or do it group many rapid flash each 5 sec?

Things that can be wrong:
-the fan lamp

-the lamp is not proprely inserted (wait an hour before manipulating it to be sure it cooled down, and use glove to not put body oil on it).

-Lamps is defective and is not operating properly so you can't get to the usual on screen message that recommend to change the lamp.

Sep 02, 2010 | Panasonic PT-60LCX64 Television

1 Answer

1. After being on for 1-2 hours the pic goes out and turns to "the green screen of death". Pic will not come back on unless TV cools for 30+ min. 2. When I switch from DVD source to cable TV source the pic...


You got an issue with overheating.  TV is designed to shut off to protect electronic components if TV overheats.  Take it to the shop and have them open this thing up to identify the faulty circuit.  Also, check to make sure your not blocking the heat vents.

Nov 11, 2009 | Hitachi 70VS810 70" Rear Projection HDTV

1 Answer

My tv plays about 1-1/2 hours then shuts down


YOU WILL NEED TO REPLACE YOUR PROJECTOR LAMP #BP96-01472A AND THIS SHOULD RESOLVE YOUR ISSUE.
HOPE THIS HELPS

Jul 07, 2009 | Samsung HL-S5087W DLP TV

1 Answer

TV shut off after 10 min.


it souds like the cooling fans arent working correctly. if the tv is staying on long enough to warm up and then shutting down i would look at the cooling fans

Jan 29, 2009 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

Philips FTR 9964 Receiver Problem


The problem is in your cable connection on the back of your monitor or Box. I had the same problem and solved it by reattaching the VGA cable that was loose.

Nov 14, 2007 | Philips FTR-9964 Tuner/Receiver for Plasma

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