Hitachi 51F510 51" Rear Projection HDTV-Ready Television Logo

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Anonymous Posted on Jan 07, 2014

Tv dark picture

Tv works but dark picture even after magic focus

5 Related Answers

Anonymous

  • 375 Answers
  • Posted on Sep 09, 2007

SOURCE: wont turn off, goes to magic focus

enter your menu set up and turn off auto focus and see what happens then,also check your other settings while your there.

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Anonymous

  • 4402 Answers
  • Posted on Dec 14, 2007

SOURCE: Bad picture

convergance ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Vista Electronics

  • 1694 Answers
  • Posted on Feb 04, 2008

SOURCE: 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.

Anonymous

  • 4 Answers
  • Posted on Jun 29, 2009

SOURCE: Projection TV is out of focus

CRT coolant change and advanced convergence - how to

I documented the procedure I did on a Philips 55" rear projection 55p916

http://tinyurl.com/lmp6eu
CRT coolant change procedure

http://tinyurl.com/l7bd7r
basic and advanced convergence

Anonymous

  • 1476 Answers
  • Posted on May 12, 2010

SOURCE: my tv is not doing the correct magic focus adjustment

You have bad convergence. I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which explains the problem, how to fix it and where to get the parts. Let me know if you need more help.

Thanks for using FixYa and for the generous rating.

hardrocko

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Related Questions:

0helpful
1answer

We have a Hitachi 57XWX20B Rear Projection TV. We moved this week and now the TV picture is very dark. We have tried the magic focus and adjusted the brightness, yet the picture is still very dark. Any...

one of two things on this model==clean the lens on top of the chassis--the round large black ones.

Second: there is a resistor in the power supply that changes value and will cause this----also with set unplugged and back off since set was moved carefully look for any plugs not fully seated etc.
0helpful
1answer

The tv will not automatically come into focus

U have pictures out of focus?Like pictures colors seperates in lines?Ur tv convergence are dead.U know how solders?Must replaced 2 STK convergnece ICS,and some or all it resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.
0helpful
1answer

I purchased a tv repair kit and replaced the convergence ic chips to fix my convergence problem. put everything back together and now, no picture. I tried magic focus and it works great, the colors are...

As per statement, "the magic focus works great, the colors are bright and aligned" it means the tubes are working ..you need feed a signal to see the picture...the tv video goes muted without signal
0helpful
1answer

Dark background blue tint

Try the Magic Focus option on the menu screen found under "Picture". Make sure the TV is on for 20 minutes before activating this option. It is also best to run this when the room is dark.
0helpful
1answer

Yellow and blue color ruins total picture on 50" tv,can't get rid

lupe0112,

I'm no expert, but I think that you have a problem with the convergence of the 3 color guns. I've been working on a similar problem. As a first step, have you tried "Magic Focus?" The Magic Focus button for the Hitachi 53UDX10B is at the left of the small front panel controls that also include your RCA composite and SVideo connectors. Let the set warm up for about 20 minutes (as recommended by the user guide), and then press the Magic Focus button. When you press the Magic focus button, the set will auto align the 3 color guns. If this doesn't fix your problem, unplug the TV for at least 4 hours and try again.

0helpful
1answer

One half of picture is distorted

to create the total geometry in the tv is needed a system called Convergence.Convergence amplifiers are damaged in this unit, magic focus cannot work because magic focus works to level computer and controls the amplifiers damaged. this repair is for a technician because an adjustment is needed after the amplifier's replacement.
0helpful
1answer

Help

Sounds like a blown fuse in the power supply
0helpful
1answer

Dark Picture

The procedure for correcting dark picture is EXTREMELY dangerous.. If you're not sure about what you're doing call a qualified technician or you could seriously hurt yourself or get killed!

Picture Dark, abnormal, Changing Color Temperature
  • Clean the Spark Gaps on each CRT PWB. Remove the Cap, clean the contacts with thin fine sand paper, blow out, reseal.
  • Remove the CRT Sockets, clean the pins on the CRT. Push the CRT socket on and off several times.
Make really sure before you sttart this process that the Tv has been unplugged for several hours and that you discharge the crt as you remove the anode. There is some extremely high voltage present for hours after the Tv has been off...
Or get a reputable shop to come out and do the procedure for you - - might just save picking yourself up of the opposite wall.
Bill
0helpful
1answer

Wont turn off, goes to magic focus

enter your menu set up and turn off auto focus and see what happens then,also check your other settings while your there.
0helpful
1answer

Bad picture

convergance ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
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