Question about Hitachi 42HDS69 42 in. Plasma Television

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Hitachi 42hdt50 wont turn on, blnking amber light

There are 2 indicator lights on the lower right front. the bigger one on the right is usually red for off and green for on. there is a smaller one to the left of it that is blinking amber, set wont turn on. The control box turns on and off, and I unpluged everything and tried again. any help would be appreciated. Tony

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5 Suggested Answers

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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

  • 1 Answer

SOURCE: hitachi 50v500 tv lamp light blinking no picture

I have one of these units, if the light is blinking and no picture as you have stated then you will need to replace the bulb in the unit. it is contained in the front of the unit behind the front panel on the right, you would remove the front panel after unplugging the unit, remove the single screw and pull out the box. replace it and then reverse the proces. the bulbs can be obtained for about $130.00 to $200.00 depending on where you get it from. Shop around.

Posted on Feb 10, 2009

firesnake09
  • 2923 Answers

SOURCE: Hitachi 42hdt50 won't turn on

Heat is the enemy of electronics, and these plasma sets operate hot. You might wish to unplug the TV for an hour or more. If this power reset does not allow the TV to turn on component failure is indicated.

The 42HDT50 are assembled using the wave soldering process they are known for having cold solder connections. The safety circuitry shuts the TV set down when it detects a problem. This model of TV has over 2,000 parts which include millions of transistors inside the integrated circuits. The capacitors will change value, leak and become defective. Resistors will change value and burn. Integrated circuits and transistors can go bad.

This can cause other components to become defective, which can have a domino effect and cause other parts to fail. Replacing one defective part may make the TV operate for a short time but the part will fail again since if the parts that caused the failure to begin with are not replaced. The only way to know for sure what is causing the problem, which parts that are no longer within factory specs and for proper repair all the electronics must be diagnosed by someone with the correct electronic test equipment and the skills to use the test equipment.

I wish I could tell you there was a quick fix or button to push that would fix the TV but that is not the case or the solution needed to get the TV operating correctly.

Have a great day!


Posted on May 10, 2009

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

  • 2 Answers

SOURCE: Hitachi 50" Plasma (P50X01AU), power light comes on but no screen

Hope you already resolve it, if not, here what I went through 1. Try to get a service manual for your model ($10-18) from http://www.service-docs2.com or similar place. 2. Open the back and follow instructions how to remove and test the SDR-D and SDR-U board on the far left (take one off, see if you could see half the picture). Inpsect the chips on those two boards, you might be able to spot the burned out holes (that would be the defected board, seemed to be a known issue for particular models) 3. If it is the board, go to ebay and get the pulled out board replacement ($70-90) I fixed my 50 inch plasma this way

Posted on Jun 12, 2009

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