Question about Hitachi Projection Televisions

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The red projection tube won't focus

I can't get the red to focus, in magic or manual when I get the grid of white lines, the red lines are about 1/2 way horazontaly between the white. And the red lines are bent and broken up.The red lines line up with the grid verticly. Ttachihe ID # on the back is hxw98060

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  • Jaime Hernandez May 11, 2010

    Can you please double check the model number of your TV?

    I've search using this hxw98060, nothings comes up.

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Set needs convergence ic's changed and possibly a few small 1/4 watt resistors. Parts have to be desoldered/soldered into circuit board and test equip.(ohm/ volt meter) is required. Most repair shops do this repair for 175.00-375.00 Hope this was helpful. Russmann

Posted on May 21, 2008

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Picture is out of focus. Tried Magic focus - didn't work. Saw color grid; appears blue is out of whack.


There are two common problems with these sets.

Problem #1) Convergence

Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 18, 2009 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Our hitachi has horizontal lines across the screen first it was just a small area now it half of the screen what could be causing this?


I have a suggestion that will tell you and me exactly what your problem is--Does set have small button on front that says MAGIC FOCUS? If it does press it and after it starts press it again--it will stop the magic focus and bring up the convergence grid on the screen----you will see a grid of lines and just need to look at them----if red or blue is out of place you have a convergence problem--very common on this kind of set.

If set does not have MAGIC FOCUS BUTTON (IT IS ON THE RIGHT OF THE KEYBOARD AND MAY BE RECESSED) You can remove the front speaker grill and the inspection plate behind it----there is a tiny small push button switch on the left front of the circuit boards--it will have blue button--us something not metal (I use a eraser end of a pencil) this will engage the set into the same convergence mode.

You just need to see what the grid looks like--if it is skewed etc--YOU KNOW YOU HAVE A CONVERGENCE PROBLEM.

If it is a convergence problem I CAN TELL YOU WHAT IS INVOLVED TO REPAIR THE SET---it will depend if you can do it yourself or need to have someone do it for you--most of this repair is just getting at a few parts and being able to do good soldering etc.


Try to check to see if you actually have a Convergence trouble or something else--if the lines on the grid are not white--red or blue bowed or out of place anywhere--it is convergence problem.

Seeing is believing and if you see the grid looks bad.


let me know--I am here to help people---I HAVE FIXED HUNDREDS OF HITACHI SETS WITH ALL KINDS OF TROUBLES--CONVERGENCE IS THE MOST COMMON PROBLEM--BY THE WAY: CONFIRM THAT ACTUAL MODEL NUMBER IS 51F500.


regards, SD TECH

Oct 15, 2009 | Hitachi 51F500 51" Rear Projection...

3 Answers

Looks like the picture is in 3D...magic focus won't adjust green


Replace Both of your STK ICs they are Big Black ICs Also CK and replace these resistors RK42 3.3 /RK46 1.8 /RK50 2.7/ RK54 1.5 RK54 1.5/ RK58 3.9 /RK62 2.2

Feb 15, 2009 | Hitachi 57F500 57" Rear Projection...

1 Answer

Magic focus, #5 Manual


Sounds like a Convergence IC problem, the convergence ics would need to be replaced. This can be done by yourself or a professional.

Jun 06, 2008 | Hitachi 57S500 57" Rear Projection...

1 Answer

Convergence Problem


sounds like 1 of the convergence chips are gone theres 2 of them and better off replacing both as the other would just go a month down the line there might also be a resister or 2 gone, the price for that kind of job is around 150 +vat.

hope this helps

Feb 10, 2008 | Panasonic PT-47WX51 47" Rear Projection...

2 Answers

Magic Focus does not work.


Convergence issues usually resolved by changing convergence output amplifier IC's.....Original STK392-110 should be replaced
with upgrade Stk394-160E Hitachi part # CZ 01341,change both
for reliability.....check B+ feed resistors for over-heating....T.

Feb 04, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Convergence Problem


http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220

Dec 02, 2007 | Hitachi 53SDX01B 53" Rear Projection...

1 Answer

Convergence Problem


http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
replace convergence ic

Oct 16, 2007 | Hitachi 61UWX10B 61" Rear Projection...

1 Answer

Blue/Yellow out of focus on Hitachi 43UWX10B


You will need the convergence circuit repaired......IC's replaced,
B+ resistors checked and then magic focus activated......T.

Sep 17, 2007 | Philips 60P8342 60" Rear Projection...

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