Question about Philips Magnavox 51MP392H Rear Projection Television
I have a magnavox 52" projection tv. We were out of town for a week. Cam home and it was messed up. The red green will not converge right to left but WILL converge up and down. Any ideas?
Your screen has gone crazy on you because your convergence IC's have gone bad.
These IC's operate at a very high temp, and usually only last 4-5 years.
If you remove the back of the set, you will want to look for the BIGGEST heatsink in there, on that heatsink, you will see 2 lage IC's , probably STK392-110, or STK392-120's or something close...regardless - you can go on ebay to order the new ones, but MAKE SURE they are Genuine SANYO IC's and not counterfiet cheapies. the cheap ones may only last 2 months..
You will also need some "Heat transfer paste" - you can pick this up at radio shack. Once you remove the old IC's, test all the large resistors near them.. pull one side of the resistor out of the board so you can check it out of circuit. they will usually have the value in Ohms, printed directly on the resistor, but you may have to use the resistor color code to find out what value they are....However, usually if there is any damage, the resistor will look like it has been HOT or fried. replace the IC's and any bad resistors, and you should be good to go. If after replacing the IC's and any defective resistors, the convergence is still bad, make sure to use a multimeter to check ALL fuses on the boards, --- sometimes when the IC's go, they will take out a fuse to the convergence power supply. If you find any bad fuses, replace them accordingly! If this STILL doesnt make it look right, you will need to find out how to get into service mode and do a coarse convergence adjustment. This information can be found in the Service manual for your set. If you dont have one you can download it at servicemanuals.net Hope that helps!
Posted on Dec 30, 2008
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
May 31, 2011 | RCA D52W23 52" HDTV CRT TV
Oct 21, 2008 | RCA R52WM24 52" HDTV Projection Television
Apr 21, 2011 | RCA HD52W56 52" Rear Projection HDTV
Sep 22, 2010 | RCA P52939 52" Rear Projection Television
May 17, 2010 | Mitsubishi WD-52525 52" Rear Projection...
Apr 17, 2010 | Philips Magnavox 51MP392H Rear Projection...
Mar 14, 2010 | JVC HD-52Z575 52" Rear Projection...
Mar 28, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...
Feb 10, 2008 | Philips Magnavox 51MP392H Rear Projection...
130 people viewed this question
Usually answered in minutes!