Question about Hitachi 50UX26B/27K 50" Rear Projection Television

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Hitachi 50ux26b The tv will power on for a few seconds then go off with D975 lit up.

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Good day, 1gary;

Hitachi has LED’s, green ‘lights’ and a red light to determine what circuit may be the problem; after removing the back of TV, bottom only, plug TV back in and observe which LED’s come on …..BUT most important which LED’s don’t come on; locate and note number, EG; DP37 and etc.

Good luck, big IRISH. Ps let me know.

Posted on Jul 25, 2008

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I have a Hitachi 50UX26B projection TVthat deosn't


Replace Both of your STK ICs they are big black ICs will have Part# on them STK392-570s Call Mats Electronics 1-800-628-1118 Also CKf903 and pico fusses they look like resistors but are yellow or Green 5amps and 6amps

Dec 31, 2009 | Hitachi 50UX26B/27K 50" Rear Projection...

8 Answers

Hitachi 50UX26B no picture no sound


The deflection board needs replaced.

Dec 05, 2007 | Projection Televisions

1 Answer

Hitachi 50ux26B keeps turning off.


There is a chance that the one of the power relays are causing the problem. They have been known to be intermittent and even work for 5 sec. or 5 days before failing. When the back is off, turn the set on and when it shuts down lightly tap the relay/s in the power supply lightly and see if the set comes on for any length of time. If it does, replace the relay
and you will fix the problem. Let me know what you find.
Hope this helps,
Skyassoc

Jun 29, 2009 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Hitachi projection tv, 50ux26b, picture jumps after it has been turned on ~20 seconds, then it settles down and works fine. advice?


The two most common problems with Hitachi projectors are in the verticle sweep circuits or the convergence. Both can cause that symptom. The good news is it is likely to be bad connections on the convergence power pacs or the verticle output IC or both. If bad connections are observed it is a good idea to resolder all suspected bad connections in general. There is a remote chance that the problem is out of tolerance filters on either the main sweep board, or a problem on the PIP module circuits. Consult with a repair specialist if you need more information.

Apr 27, 2009 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Hitachi 50UX26B/27K 50 in.... Problem


Good Day, papamotts;
Won't turn check Q912, Q914 & I901. No relay click check Q003. Good Luck, big IRISH.

Sep 04, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Wont come on


Good Day, arods107;

The Hitachi TV is an easy TV to trouble shoot, but one needs to remove the back from the TV and observe the LED's (green lights).
The problem you stated could be many things wrong with the TV, but you must observe the LED's. If you want to do this yourself please observe lights and tell me what lights don't light. There is about 9 LED's (green lights). Next to each LED there an symbol number like D975 etc.
Please let me know, be careful when you remove the back don't touch any thing, just observe, I don't want you to get hurt.

Good luck, big IRISH. ps Come to this sight or e me @ mmrkcar@yahoo.com.

Aug 15, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Hitachi 50ux26b


Good day, moparsask;

You had this problem before and had TV into a 'TV REPAIR' shop and the problem came back and you want to repair it yourself ??
There is no known common fix for the TV, so I would recommend that if you want color back on your TV that you have a factory authorized service dealer look at your TV and have them give an estimate and confess their warranty.

I hope this was helpful, big IRISH.

Jul 25, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

2 Answers

Hitachi 50UX26B


does the led on the front of the set light up? Is 50UX26B the right model number of your set?

Apr 27, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

50UX26B Powers off after a few minutes.


I don't think you'll find the solution without professional help. Have it serviced.

Mar 24, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Unit will not stay on when cold.


well it sounds like a leaky capacitor in the power supply. Where?, is the question. There are alot of caps and it could be in many different places. Probably gonna need a pro to help find. Probably worth repair though under $200 i bet.

Apr 23, 2007 | Hitachi 50UX26B/27K 50" Rear Projection...

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