Question about Philips Magnavox 51MP392H Rear Projection Television
When I first turn it on for about 20 minutes the sides cycle in and out, about 1 per second, about 6 inches in. Oddly, it especially happens with white or light images, but a dark image will stop it. After about 20 minutes of use, it stops. I'm guessing it is some sort of power supply regulator, or convergence issue.
Sounds like Convergence issue.... I have some pictures of the bowing picture TV on the link below...
I'll post you my general message which is for a similar Philips Magnavox 51 inch TV, you'll need to check the manual verify the correct IC convergence chips and resistors, the manual link is below as well... usally the IC's are STK392-120's or 150's and the resistors are 6.8 ohm 12 of then...
anyway read the general post below it will get you headed in the right direction.
Actually I have this TV and you need 2 Convergence IC's STK392-120's (120's and 150's will work) of course order 2 of the same type I'm using replacement 150's they allow for a little higher heat and were cheaper ALSO you need to replace the 12 resistors with 6.8 ohm metal film resistors, make sure they are metal film! don’t skimp out here I did and then they blew and fried my IC's and I had to replace everything again!
Great reference link that I posted pictures on, check out page 3
Where I got my parts that worked:
Suburban Electronics http://www.suburban-elect.com/
Manual Library you should find all you need here:
What you need:
(2) STK392-120 OR STK392-150 IC chips
(12) 6.8 Ohm Metal Film resistors
set of star screw drivers
15 watt pencil solder pencil, DO NOT use a high watt iron you will fry the surface mounted item.
good leaded solder, and flux
Posted on Nov 20, 2008
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Posted on Jan 02, 2017
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