Question about Philips Magnavox 51MP392H Rear Projection Television

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Memorex TM-4510 Projection Television (Mfg'd for Tandy Name Brand Retail Group)

Hi! I have a Memorex TM-4510 Rear Projection Television. It is a 1987 MINO. The television was working fine - then the picture and sound just stopped.The screen went dark. The unit has "Main Power" and the "Tuner Power" works as well. If you are not familiar with this set - I put the images of the TV and the insides on the web. Go to: http://seabrent.tripod.com/memorextm4510im.txt to view all the images. The set worked "Great" - then just stopped. Would you know if it is the High Voltage switch on the power board or if it is a capacitor ? If you need any other images - I can send you any image of the component boards and components for you to view. We built the house around this TV and the cabinet is very beautiful and protective. I have dismantled the set - the lenses and picture tubes appear to be in very good order. I took the mounting plate out so it will not require any adjustment. I would greatly appreciate any info you can provide. Thank You Very Much!!! and Happy Holidays and New Year!!! Sincerely! seabrent@gmail.com We have the same t.v. model, and probably the same problem. We are looking to repair the t.v.

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You may be able to try using a heat gun and freeze spray.
You can obtain freeze spray from an electonics supply.
Spray the high voltage components with freeze spray to see if it help the tv to stay on.
Heat gun will work ro heat up an area until the tv turns off.
It may turn off sooner with heat.
If you use freeze spray, you will want to spray a suspect component after the tv has been on a while to see if you can prolong the amount of time it stays on.
I suggest a repair manual with schematics which are sometimes available online in PDF document form.
Just be careful if you attmpt troubleshooting.
If you are not comfortable with doing this, you shoud find a repair person. preferably on this website, to see if there is one close enough to you.

Posted on Feb 23, 2008

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Do you hear a click when you hit the power-on? Try unplugging for a couple of hours. This will force a reset. If there is no click or anything, you have a power supply problem where there is no standby at all. You can check the main fuse, but that is rarely the problem. I would suspect the standby supply at this point.

The Ballast repair kit is the best one.You can check THIS link out for more info.

Further if you call a technician it will cost you anything between $300-$400.

Goodluck..

Posted on Feb 23, 2008

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