Question about Hitachi 55HDT51 55 in. HD-Ready Plasma Television

1 Answer

Screen goes completely green and ''dotty''. Sound still there.

Just within the last 2 weeks our Hitachi 55" Ultravision TV started giving a green screen. Cannot fix. Then three days later it will be fine. All of a sudden it went out again and we cannot get the picture back.
The TV was puchased in January 2006.

Any ideas? I have reset the default - reset the horizontal clock, etc. I cannot figure out what is going on.

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1 Answer

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  • Hitachi Master
  • 12,540 Answers

It is dying a slow and painful *****. Time to retire the set after all those years of faithful service and move on.

Posted on Sep 09, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ctf1800
  • 4402 Answers

SOURCE: Hitatchi Ultravision LCD Widescreen acts like it doesn't want to power up

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

ctf1800
  • 4402 Answers

SOURCE: I have a 50 inch hitachi ultravision that has no picture or sound but power light is on

you have lookse connection on the video convergance amp ic

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

  • 275 Answers

SOURCE: Hitachi Ultravision Digital TV dark picture

Looks like

1. A Cold solder in the Video Output stage power supply.

2. A bad Electrolytic Capacitor in the above Video Output stage.

I generally do not waste time in attempting to locate faulty capacitors. There will be only 6-8 pf them in the above stage / section,m and the klot of them would collectivelyt not cost more than 3-4 $ equivalent, in india. Just blindly replace the lot, and the set is ready in 30 mins.

Dunno how much they will cost in your country. Try to look for a 100mfd, 160V Capacitor. Close your eyes and replace. generally does the trick.

Posted on Apr 09, 2008

  • 1 Answer

SOURCE: I have a 50 inch hitachi ultravision that has no picture or sound but power light is on

Probably a 'cold or detatched' solder joint on a component on that perticular circuit board you are 'wedging' with a plastic rod.

Posted on Apr 19, 2008

  • 395 Answers

SOURCE: Hitachi P50H401 video goes off and on

this is from a tech tip I got that should help.
No Picture:
1. The Power Supply may not be producing the correct voltages.
2. The Digital Module (Digi-Main) may not be producing correct
turn on commands (Power 1 and 2).
3. The Logic PWB may not be supplying the correct Vs/Va turn on
commands (Vsago and Vcego).
The Panel can have a defect of two natures.
1. The panel is shorted.
2. The panel is defective, but not presenting a short.
3. Y-SUS and/or X-SUS may be defective (Shorted and or nonworking

Posted on May 02, 2008

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http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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