Question about Mitsubishi VS-45607 45" Rear Projection Television

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Turns off every so often

My TV will work for hours some days, others not. It will go off and when you try to turn it back on, the green light comes on, but goes right back off, like it has to cool down, reset or something before it can be turned back on. At first it just went off, but now there are red and green lines that appear as it is going off and it is happening more frequently than it used to. Is it time for a new TV or can this one be fixed?

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Re: Turns off every so often

This symptom seems to be a vertical Sweep fault cause what happens is theres a protection circuit in this set that activates when it sees theres no verticle sweep, it shuts off the picture on the set so that the tubes dont get lines burnt in the middle and become damaged. If you know your way around a TV set then you could locate the vertical output IC and resolder all its pins first as well as anything else in that circuit that looks like a cold solder connection. Then i9f it still does the same thing I would just replace the verticle output IC as well as the B+ supply capacitor off the flyback xformer for the sweep dirived power supply. Now if your not knowlegeable about these HI VOLTAGE circuits my advice would be do not attempt the repair yourself as you could get hurt and /or cause more problems with the set as there are no tubes in this set to test except the picture tubes. Contact Mits. at this #800-332-2119 or look in your owners manual for a contact #. Good Luck.

Posted on Jun 07, 2006

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