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Hitachi 43fdx11b rear proj tv

Convergence problems -
Is there a source for parts list / schematic for pcbs in this unit.
couple of discolored resistors. cannot read color codes to replace

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Re: Hitachi 43fdx11b rear proj tv

You can check at or

Posted on Jan 04, 2008

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Hitachi rear projection TV Model 43FDX11B with convergence problem

You will need to install a convergence repair kit. You can get the repair kits with instructions at

Sep 21, 2010 | Hitachi Projection Televisions

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Hitachi 51UWX20B no sound, no picture, blinking green LED

The 392-150 is a higher current device then the 110---you can use either--this is normal in the hitachi sets---I usually replace both with 150's---check the led that does not light---should indicate which voltage source is bad---if it is one of the 2 voltages for the convergence ic's(one is a positive and the other a negative voltage) then the convergence Ic's may be bad---look for any discolored resistors around the ic's---one way to tell if it is a convergence ic is to de-solder both ic's and see if the set turns on(the convergence will be out the window) but if it comes on change both and do the alignments with the Hitachi remote. By the way----the led should have a location number printed on the top of the circuit board.

Aug 07, 2009 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

Green wave on left top and center top in my 43FDX11B TV

replaced both convergence ics in the tv.also check for open resistors near the convergence stk ics.

Jul 17, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Hitachi Model # 43FDX11B. Will not power

Mine just developed the same problem.. did you find a solution/fix?

Jul 09, 2009 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

I have a 50ux22ba hitachi top and bottom of picture bow toward center of screen and the three colors will not align

You need a Degaussing and convergence done.

Over time, running the TV magnetizes the parts and the electron beams no longer 'shoot straight' ALL your symptoms are caused by magnetism in the metal parts of the TV.

A good tech (like me) can make it like new! Look in yellow pages for a BBB certified Hitichi Proj TV Repairman or ask your church to name one.

Good Luck!
They charge $30-150.00hr for this (depending on where you live)

Mar 26, 2009 | Hitachi 53UDX10B 53" Rear Projection...

3 Answers

Hitachi 43FDX11B television Ghosting

I had the same problem on my Hitachi rear projection TV 53FDX20B made in Mexico. The blue convergence problem. Blue focus had shifted and appeared like a blue ghost image. I followed the step by step intructions from the fixya site. First Replaced the two STK 392-110 ICs and turned on the tv. No change. Then I went looking for the bad resistor. There was one resistor RK50 (2.7 ohm, 1Watt capacity) which is attached not right close to the printed circuit board surface but was well raised up from the board. The bands on the resistor were a little discolored. I replaced that one and turned on the tv. The convergence problem was solved. Thanks for the step by step instrucitons on your site.

Dec 20, 2007 | Hitachi 53FDX01B 53" Rear Projection...

2 Answers


if you can remove the rear panel assy. look for the convergence ic's they start with stk--- and you got the part number you need a source panasonic is 814 source and the number on the ic's stk 390 ----/

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No power on Hitachi 50UX588

Most likely have a regulator problem. Remove rear cover, look down on the main chassis, turn tv on watch the board to have some colored led's lit, usually a red one and couple of green. If the red is out, its your regulator, if a green one other problems off the circuit with green led are causing the tv not to power up.

Jul 22, 2007 | Hitachi 50GX49B 50" Rear Projection...

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