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My techwood tv suddenly stopped working,its not even getting on light when i on the tv

Actually when we were watching tv my son suddenly on and off the tv 3 times continuosly with the remote for the 4 time suddenly its not getting on again, we saw no power light visible down the screen which will always seen in red when we off nd green when we onwith remote but now nothing is visible.i just unplugged my tv from wallsocket

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Philips 42 in. Plasma shut down

Thank god we purchases the ADVANCED extended warrenty. This tv has been nothing but problems.

Fuzzy picture, picture shutting off after 20 sec coming back on and now blog of colors shut off never to come on again. 7 blinking red lights on the front. Waiting for the repair man again.......

Posted on Apr 13, 2008

mistersony
  • 320 Answers

SOURCE: standby light flashes 3 times

A 3 flash pattern indicates that either the lamp is not seated correctly or that the lamp door is not latched properly. It can also be a fault with the switches that sense whether the lamp is seated or the door is latched. Try reseating the lamp and relatching the lamp door

Posted on Oct 20, 2008

ginko
  • 19396 Answers

SOURCE: HITATCHI ULTRAVISION P50S601...POWER LIGHT BLINKING...WONT COME O

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Posted on May 22, 2009

  • 44 Answers

SOURCE: Philips 42 inch HDTV - "FlatTV" Plasma -- does not turn on.

I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsung. Known to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio connections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Is a Link to a photo of the PCB. Make a note of the locations of all cable connections then unplug them all. Un-install PCB, Check all Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. Look to see if the Caps are deformed and or split at the top. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.

Posted on Jun 25, 2009

  • 1 Answer

SOURCE: Samsung LCD TV doesn't power on, just blinks 5 times

After about 5 years the Samsung LCD televisions backlight fails which prevents the TV from coming on and the powerlight just flickers the backlight can be changed but it is often alot easier and cheaper to buy a new Television

Posted on Sep 23, 2009

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1 Answer

Techwood TV 37I asked for a set instructions to be sent by download was wondering how long does it thank you


Hello Graham

usually it depends if someone wants to pick up your request, or in some cases they try, can't find anything and move onto another question, in the hope that someone else can help you.

I am one of the manual or instructions experts, but in reality, I am just good with search engines. From a quick search, I reckon that you are not actually giving a full model number. That looks like '37-one', but Bing reckons it should be 37-letter I. However looking at the other Techwood model numbers they are much longer. Look at this;
TECHWOOD LD3711 37" LCD

Seems they are actually made by Matsui and badged Techwood?

This maybe that your television shows 'Techwood 37i' on the front, but the full model number is on the rear near the mains cable. It will also have a serial number but we don't need that.

All you have to do is Google

make model manual
or
make model instructions

The top site on the link below 'manualslib' is the best one. Stay away from any that ask you to download anything, or any that show a link in a PDF file. The don't have you manual and are just 'clickbait'.

http://www.bing.com/search?q=techwood+tv+37i+manual&qs=HS&pq=techwood+tv+37i+manual&sc=1-22&sp=1&cvid=1EB6D9B22E49423FA93DF3199F715E92&FORM=QBRE

Post back as a COMMENT if you need any further help, and please don't start a new post to reply to a question.

Andrew
Fixya moderator

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1 Answer

Akai rear projection tv suddenly stopped working.


This set with Akai is actually made by Samsung (they own and use the Akai name).

If lamp light etc and you have heard a cracking sound it may be the color wheel.

You can remove the lamp and look where it faces--look and the wheel can be seen----is it shattered or missing plastic pieces?

The wheel commonly fails in this fashion and is turning at over 12,000 rpm. The set will detect if the wheel is stopped or moving too slow and just what you describe will happen.

Wheel is widely available and You Tube has video instructions for replacing them by model number.

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1 Answer

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hi;
if there's standby light and wont start , even if you press the power button , it has a power supply failure, maybe some capacitor ha bloated or change the value, try to watch this http://www.youtube.com if you know how to solder, or even disassemble the back of LCD TV. if not try to call a repair technician.
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