Question about Panasonic PT-51HX42 51" Rear Projection Television
Ok no warning turned on tv and thats what happend. oh yea the tv is a RCA r52wh74 itc222a chassie made 04/06/. anyways checked the fuse RCA#259213 the one in the mid , it was blown searched all over town no one had, so orderd off line . got fuse installed fuse blew again . hunting around some more someone said reason for problem is the flyback connections on the board i checked and yes there were some bad ones . so i solderd them all installed a new fuse tv still will not turn on no sound no pic , green light comes on then off and comes back on and off 3 times please dose anyone have and ideas what it is now . i,ve heard poss. another fuse ?
Your TV most likely has one or more possible problems.
Problem #1: Convergence Chip Failure ( common problem )
Here are some of the most common symptoms and example photos of a convergence problem
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence section.
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directired blue green bowed looks like 3d no converg. men - 2c07611.pngnvergence chips are bad and should be replaced. This is a common problem.
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.
Problem #2 CRT Fluid is Cloudy
Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
red blue green bowed looks like 3d no converg. men - 578ba6c.jpgef="http://www.fixya.com/support/t1631691-red_aura_in_middle_55_phillips#" >Picture of a set that needs the fluid changed.
TV set after fluid change
What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.
Posted on May 09, 2009
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Posted on Jan 02, 2017
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