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About Rick Montgomery
Expertise
Most questions about 1970's-1980's audio equipment. Most 1980's -1990's VCR's and VCR combo's. Most 1980's-1990's car audio, except original equipment. I know name brand after-market such as Kenwood, Pioneer, JVC, and some Sony. I am not so good with TV's, DVD's or camcorders. I do not work on Projection TV sets at all. I also have no access to documebntation for sets outside of the United States.

Experience
Professional Electronics Technician since 1975, specializing in most audio, home, portable and car. Also all VCR's. Limited TV knowledge. No projection TV experience

Organizations
Through work, NESDA.

Publications
n/a

Education/Credentials
High School. Graduated with 2 yrs Vocational Electronics in High School.

Awards and Honors
Certificates of completion of factory training seminars for various brands

Past/Present Clients
Thousands of customers to the Service Centers I have worked for.

You are here: Experts > Home/Garden > Home Appliances > TV/VCR/Stereo Troubleshooting > problem with the tv

TV/VCR/Stereo Troubleshooting - problem with the tv

Expert: Rick Montgomery - 11/10/2009

Question
I have a hitachi tv that i think is a projector screen, and when you turn it off, the cooling fan still runs until the power is shut off.

Answer
Gabe,
I cannot give you a definitive answer because you have left out the one thing I need to do any research, the MODEL NUMBER.
Then also, as my profile reflects, I do not work on projection TV's at all.
Having said that, I will speculate with one possibility. IF your set is an LCD rear projection or DLP (Digital Light Projector), then you will have a lamp in the set. The lamp produces a lot of heat. The cooling fans are there to dissipate that heat. The lamp does not become cool at the moment you shut the set off, and to keep from damaging plastic parts with this heat, the cooling fans run until the lamp has cooled off some. This is a normal, safety related operation, and is not a defect.
regards,
Rick

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