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Problem when getting High Voltage on Hitachi 65SWX20B

I bought this TV in January 2003 and it is about 5 years old. One day when I tried to turn the TV on using remote nothing happened. I unplugged from the wall outlet and plugged it back again; the power light comes and gets shut down again. I called technician and when he opened the back of the TV and tapped on all the parts, TV came back again. Within two days same problem occurred. Technician told me that he has to trouble shoot the board and will charge $350 plus parts to remove the Board and take it to his shop. I checked with another shop and the Deflection board and power supply board costs around 200 and 350 each. Is it worth trouble shooting the situation or is this a known problem like changing a IC? If I can by these boards, it might be cheaper to replace the boards ( less labor ). I don't want to spend $800 on this TV. Any help is greatly appreciated.

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Draude:

I was wondering whether its worth changing the boards or to replace parts on the existing board. When TV powers up, I don't have any issue with the convergence. So I am thinking it may be power supply board. Do you think there is any problem with the deflection board. Is this board involved in supplying horizontal ( high voltage ). Do you think its better to change both boards. Any suggestions.

Posted on Nov 10, 2008

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Why should you spend 800$ when the tech told you 350. And yes, do what he said to you. 350 is a good price for what involve this repair. If you want to replace by yourself the 2 boards...remember the eeprom is on the signal board and you have to redo all geometry and convergence adjustments. Even for an experienced tech this is a 3 hours job and you have to be very good.

Posted on Nov 09, 2008

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I have an old Sony Trinitron that I bought in I believe 2003. Very reliable until a couple of days ago. Fell asleep watching, turned it off in the morning and now no picture. I hear it trying to turn


Unless you have some good electronics knowlegde, its time to can it. There is extreme high voltage to power tube sets. Plus the price of repair for a tv thats not worth much money nowdays.

I used to be a tv salesman.

Nov 18, 2012 | Televison & Video

1 Answer

Hitachi L26D103. Less than 2 years old. Working fine one day. Turned on the next day and the sound works, but not the picture. This is an issue when in both the TV and DVD modes.


Good day!

If your TV doesn't have a picture even you play a DVD it means there is problem to your TV.It could be the Inverter board or the cold cathode lights is busted.


This are the steps on how to fix that problem.
  1. Remove the back cover of your TV.
  2. After that,plug in the TV and power it ON to perform a voltage data.
  3. Check the the output voltage of your power supply by using multimeter tester (range in DC) then check the 24vdc(supply of inverter board).
  4. If you have 24vdc in power supply output,check also the input voltage of inverter board if have 24vdc.If doesn't check the wire connection from power supply to the inverter board.
  5. If have you input voltage of inverter then check the high voltage output of it,if have at least 500vdc so be careful to check it because it have a high voltage.
  6. If doesn't have high voltage output replace the inverter board and if have a output voltage the cold cathode lamp inside is busted so you have to replace it
The inverter board looks like this:
bugoy31_2.jpg


You can buy it to this link: http://www.shopjimmy.com/catalogsearch/result/?q=Hitachi+L26D103+inverter+board

If this solution will be helpful please rate my answer. Thank you and good luck.

May 06, 2011 | Hitachi L26D103 LCD TV

1 Answer

65SWX20B 65 in. Rear Projection Television: how do i clean my Hitachi 65SWX20B 65 in. Rear Pro...


Remove the upper back cover of the television and clean the back of the screen, the mirror which reflects the image onto the screen, the focusing lenses (do not loosen or remove the wingnuts).

May 05, 2010 | Hitachi 65SWX20B 65" Rear Projection...

2 Answers

Can I store the Hitachi 65swx20b in an unheated inside location. Estimate low of 33 degrees F.


You can do this but I would (thank god it does not get that cold here much in California) COVER IT WITH PACKING QUILTS AND OR CARDBOARD ALL AROUND TO TRY TO PROTECT IT.

AS long as you do not get actual ice or snow on it you should be ok.


Let me know if you have questions --I am here to help people.

If this information helped you, rate this solution as I do this here for free.

SD TECH

Nov 07, 2009 | Hitachi 65SWX20B 65" Rear Projection...

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My TV shuts off seconds after turning it on. I hear clicks and shuts off. Please help. Hitachi 43fdx15B rear projection tv.


I have a very similar issue. Problem seems to go away after the TV has been on a bit and warms up. Did you find a solution for this? Thanks.

Oct 30, 2009 | Hitachi 65SWX20B 65" Rear Projection...

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Hitachi P50H401 display problem


it is problem your TV high voltage unite(EHT)
change it by authorised service centre

Aug 28, 2009 | Hitachi P50H401 50 in. Plasma HDTV

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Blue Haze in middle of screen progressively getting larger


This one is easy. WHen this happened to me, I simply called GE extended warranty service up and bought an extended warranty. I waited 30 days and called them up with my problem. A repair man showed up a few days later with the 1200 dollar light engine and installed it and left. Then I called GE up and cancelled the warranty. Total cost?: 48 bucks

May 30, 2009 | Hitachi 50V720 Television

1 Answer

Sound , no picture


i would check connections on your convergence ic
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2008 | Hitachi 50UX57B 50" Rear Projection...

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