Question about Hitachi 53FDX20B 53" Rear Projection Television

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Problem A week ago we had a brown out then full power outage, since then out 53FDX20B 53 inch Hitachi will not turn on. Is there a simple fix as we do not have a repair shop near by and no way to get the TV delivered to a repair shop.

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Re: problem

Look at the power indicator on your tv. Is it blinking or is it steady. If none at all then your power supply could be the culprit.

Posted on Jan 05, 2008

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Hitachi Model No. 53FDX20B - picture has gone out. power light is on but no picture or sound

Replace Both of the STK ICs they will have Part Number on them,example STK392-570
Mats Electronics has ICs 1-800-628-1118

Jun 20, 2011 | Hitachi 53FDX20B 53" Rear Projection...

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Hitachi 53fdx20b Projection Television Had a convergence problem and replaced both ICs. Resistors checked. Turned TV on and worked but still had convegence problem but not as bad. Waited 30 minutes...

If you bought the parts from sites such as go back and ask for there help. It can be many things from bad soldering to blown resistors.

Jun 18, 2011 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Hitachi 53FDX20B Rear won't turn on and LED's Flashing

I believe they are the voltage supplies for the TWO convergence IC's that this set uses(either STK-392-110 OR STK 392-150---THEY are interchangeable--but the 150 is a better device)

The easiest way to prove if this is your problem is to locate the two chips (black--2 1/2 inch wide X 1 1/2 inch tall with the STK number printed on them IN WHITE)

If someone unsolders all 18 pins on each chip--see if the set will turn on with them out of the circuit (you do not have to remove them--just unsolder both---If the set comes on the convergence will be very bad but you will know one of the chips is bad.

Also if you look at all the resistors around them (most will have location number RK46 etc) see if any of them are discolored or burnt. You find a burnt resistor and it is a sure bet onE of the chips is bad.


A pretty easy repair if you have good soldering skills and I can tell you what you will need to do the repair.
If replacement of the chips fixes the set it just needs to be adjusted with the Hitachi remote and should not have this problem again for 5-8 years.

IF YOU HAVE QUESTIONS, do not hesitate to ask me---I am here to help people.


Oct 09, 2009 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer


It powers up but no picture? In my experience with Hitachi TV's this has been an issue with the convergence IC's failing. You will need to have a technician replace those if needed.

Jul 23, 2009 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Tv will not come on

Hi there

You must replace the globe/bulb in your TV.

Keep us posted and thank you for using our service.
FixYa for all your troubleshooting needs.

Jun 03, 2008 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

HITACHI Projection TV 53FDX20B having too much red color

my hitachi projection big screen tv 57SWX20B has a draping affect across top of screen why?

Dec 30, 2007 | Hitachi 53FDX20B 53" Rear Projection...

2 Answers

TV will not turn on

look for a blown fuse where the power comes in.

Nov 27, 2007 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Hitachi 53FXD20B Spots with colour

take your tv to a tech and have them check your tv the color module could be the problem or the the convergence module.good luck.

Apr 18, 2007 | Hitachi 53FDX20B 53" Rear Projection...

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