Question about Hitachi 65TWX20B 65" Rear Projection Television

1 Answer

My TV powers on but I get no picture and no sound

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  • pentrackj Oct 01, 2009

    I tried to tap on a couple 1" by 1/2" black plastic pieces within a couple of inces of where the power cord comes into the circuit board with no picture or sound. I only saw 1 that said 220v and 3/100. Was i supposed to actually pull them off the board to tap on them?

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  • Hitachi Master
  • 14,553 Answers

This model was first made around 2002. Does the power light on the front come on and stay on?

If it does--these sets had a problem with three relays on the power board--with the set unplugged remove the back cover and follow the power cord to the power supply board----the relays are on that board--sometimes one or more will stick open and not function---they are about 1 inch wide and 1/2 inch tall and black in color (they will have printing on top of them showing voltage and type)

What I have done in this situation is with the back off use a plastic handle from a screwdriver and tap on all of them---if the set then comes on and works one of them is intermittent--- they are pretty cheap parts and the best way is if you tap and the set works remove the board and replace all of them (four leads connect each to the circuit board).

I hope this helps you and if you have questions reply to this post here and I will assist you.

SD TECH

Posted on Sep 30, 2009

  • SD Tech
    SD Tech Oct 01, 2009

    This set has 3 relays---at least two of them are on the power board--you don't have to remove them just tap them and then see if the set functions---

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