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I have flat tv hitachi 42pd3000e power fault ,,screen comes on and turn off in a shot seconds.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Hitachi 32LD8700 - TV won't turn on although has power

The general problem with LCD type TV's is that the power supply fails. They are very sophisticated designs that are difficult to troubleshoot and generally best to just replace the module, but sometimes there is visible damage in some of the electrolytic capacitors (visibly bulged) and high voltage rated parts can be substituted.
Hope Ya Fix It

Posted on Feb 10, 2008

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romsky79
  • 822 Answers

SOURCE: tv turns off after 3 seconds

ok i know your problem. pls check the secondary power supply check all electrolytic capacitors you can use your eyes by scanning budged capacitors. 220microfarad/ 25volts.

Posted on Jun 07, 2009

Rally Guy
  • 3 Answers

SOURCE: 55HT79 HITACHI BLUE POWER LIGHT BLINKS ON AND OFF.

I can't help you because after 26 months of ownership mine is doing the same thing (started on 7-12-09). Judging by the number of people with the same complaint I believe Hitachi knows that they have bad boards but refuses to replace them for customers unless they are within warranty. It also explains why the merchant that sold it to me in 2007 stopped offering Hitachi in 2008.

I'm disgusted because I'm anticipating a $300-$500 repair bill simply because Hitachi's design did not provide an external way of resetting it. Impossible to get to the menu to do a reset within 12 seconds before it starts the powering on booting cycle again.

Adding salt to the injury, mine is wall mounted and repair people will only work on it if it is readily accessilble when they walk in the door or if it is brought to the shop. Know what a 55" plasma TV weighs? Too much.

Posted on Jul 13, 2009

  • 7 Answers

SOURCE: 26" Samsung flatscreen LCD doesn't power up

Just to be a little more detailed, since I just fixed this problem. It is the capacitors are the problem. However, I think that if you have some minimal skills with soldering, you can fix this yourself. You just need to take out the system board, then the power supply parts are on the top right. The bad capacitor(s) will be bulging at the top and possibly have some brown stuff coming out. The ones that go bad are 1000microfarad, 10V, however you can replace them with higher voltage. I got 35V caps from radio shack for 1.59 each. You just need to solder out the bad ones and then put the new ones in and solder. Remember that the negative end goes on the side with the bold black part of the circle on the system board. Then just cut off the extra ends of the capacitors. If you are capable of doing this yourself, you will spend at most 6 dollars instead of however much a technician costs.

Posted on Sep 25, 2009

  • 1 Answer

SOURCE: Hi we have a 42in philips matchline flat tv. When ...

mine is doing the same.... any solution to fix this problem?

Posted on Sep 27, 2010

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1 Answer

Hitachi tv won't turn on, only flashing orange and blue light


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Jul 27, 2014 | Hitachi Televison & Video

1 Answer

No sound on tv


check the main setting for correct output settings.

Mar 22, 2014 | Televison & Video

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Why does my Philips 40" flat screen tv shut off 15 seconds after I turn it on?


The symptom you describe suggests power supply failure. It is still working but fading fast

Mar 24, 2013 | Philips 40pfl3706/f7 Lcd Flat Panel Tv

1 Answer

Hitachi 55in plasma TV, model 55HDS69. It will not power up from either the remote or the on/off switch on the side. The TV was used a lot, for more than 5 years. It shut off while running. The red...


Hi sir Jim!!!!



kindly check the 5 LED if there is lit lights to diagnose where the fault came from..You said the 5 led turn off for 1 -2 seconds it means no error but still won't turn on I think there sometime wrong on logic circuitry..


1_20_2012_6_55_00_am.jpg

Try to read the voltages on highlighted words on picture of block diagram above such as vs,va,vcc,stby+5v,stby+3.3v,+5.5,+10.5 and +12v...

After that let me know the results to diagnose where the fault from..

Hope it helps...

chester..

Jan 19, 2012 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

I have an old Hitachi c50 FD 2000 multisystem projection TV. It will not turn on. I press the power button and the yellow light blings for a split second, then the red standby light comes on. I have...


It looks like a protection fault to me. The source of the problem seems to be the main power supply board of the tv or the deflection power board. We can figure out the source of the problem and help you fix it. So my first question is do you have a multimeter and know how to use it?

Jul 18, 2011 | Televison & Video

4 Answers

Hisense tv turns on and off


STOP!

The unit has a fault on its power board and sustain board.
It turns off because the sensor is preventing some component from bacoming overheated and catching fire or damaging further components. Seel professional repair.

Please rate my help++++Thanks for using FIXYA

May 13, 2010 | Hisense TL1700 17 in. LCD Television

1 Answer

Hitachi 50vs69a blue oval circle in the center of the screen


Just try to reset HDTV. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

Regards:
VOTIT

Jul 08, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

3 Answers

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.

Feb 25, 2009 | Hitachi Ultravision P50S601 50 in. Plasma...

1 Answer

TV Won't Come On...


My Hitachi Model 50V500 led's ligths temperature and lamp blink when power is turn on.Have no picture or sound, followed the reconmended procedure disconnected power
for 30 seconds and reconnected.

Mar 18, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Hitachi 32LD8700 - TV won't turn on although has power


The general problem with LCD type TV's is that the power supply fails. They are very sophisticated designs that are difficult to troubleshoot and generally best to just replace the module, but sometimes there is visible damage in some of the electrolytic capacitors (visibly bulged) and high voltage rated parts can be substituted.
Hope Ya Fix It

Feb 10, 2008 | Hitachi 32LD8700 32 in. LCD Television

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