Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

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Overheating Rear Projection problem

My rear projection (1992????) Ultravision (Model 50SX6P) shuts off after a few hours. It takes about 2 hours or so before I can turn it back on. The last time it did this, the sound also disappeared but is back on now after a 24 hour wait. Can this be fixed?

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Re: Overheating Rear Projection problem

This dip **** Handy Boy has no clue. There is no fan.

Posted on Jun 08, 2009

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Re: Overheating Rear Projection problem - Hitachi UltraVision CineForm 55VG825 55" HDTV Projection Televisions

Check if fan is working.

Posted on Jan 05, 2008

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I'm not getting any red in my picture on my hitachi rear projection ultravision tv

A model number would help here but if it is older and uses 3 picture tubes carefully with the back off and set on does the red one come up and produce a red image?

Dec 12, 2012 | Hitachi Projection Televisions

1 Answer

My TV turns it self off after a few hour s of viewing


The most common problem that causes shut down after few hours is overheating. Overheating however does not necessarily occurr because a faun is broken or because a thermistor is defective. A devective IC may fail and overheat on its own. The fault won't be even called overheating in some case.

The TV must be taken apart and tested by a technician.

Common faults to be tested are:

Fans and tehrmistors.
Convergence ICs.
There are also a couple of test point on main controller board to be tested.



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I have a 1999 hitachi ultravision 60" projection tv and the power will turn on but minutes later it shuts itself off. How do I correct this problem?

When was the last time the projection lamp was replaced?The projection lamp on the tv now,has not been replaced like a 1 1/2 or 2 years,tv been on and watches like 4 or 5 hours a day?The tv projection lamp life are over.Require a new projection lamp.

Apr 03, 2010 | Hitachi UltraVision 60VF820 TV

1 Answer

Broken screens on 53'' Hitachi rear-projection TV

I think it would likely work if you trimmed it evenly around the sides in order to maintain the central position. Focus may have to be adjusted but thats all.

Oct 25, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Rear projection set keeps turning off after it warms up

Sounds like thermal overheating. Is the TV in a "cabinet". If so...overheating is likely, Also...if the set is more than a few years old, you should clean all fans and filters (front, side, back) as approprite. Check the lamp and cooling it dirty? If is needed as inadequate air flow is most likely the culprit.

Jun 22, 2009 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer


Your TV is overheating.. easiest remedy is to point a fan at the back of the TV or... clean the inside of the TV, Im sure its full of dust and stuff... this prevents air circulation inside the TV thus creating more heat...

Jun 19, 2009 | RCA HD52W56 52" Rear Projection HDTV

2 Answers


some component or soldering is degrading.
take out the circuit board and look for capacitors with shrinking plastic.then look for bad soldering.
if you do not know about electronics,do not mess with it there are 40000 parts in it.

May 28, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

4 Answers

What type of lamp needed

My lamp model is lp700 where can I order that part

May 07, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Hitachi 50SX6P 50 inch television

Friend gave me a Hitachi Ultravision 50SX6P
I can see why ... he got rid of it
anyway...I need the manual
How can I get it
Need to get rid of yellow outlines

Jan 03, 2008 | Projection Televisions

2 Answers

43 inch Hitachi UltraVision model # 43UWX10B

Research at

Sep 30, 2007 | Hitachi 43UWX10B 43" Rear Projection...

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