Question about Panasonic PT-47WX51 47" Rear Projection Television
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Posted on Jan 02, 2017
This is really a very simple thing to diagnose---go into the customer menu and select convergence--if red or blue is skewed there and will not adjust in some direction--you have a convergence circuit problem.
These sets use two convergence IC chips--if convergence will not adjust you need to replace both chips along with any of the resistors around them that protect the set and are bad.
Parts are cheap for this ----less than 30 dollars for everything you will need.
Based on the Pt56wx51e model number this set uses two of the STK-392-110 chips--they are black and side by side on metal heat sinks with fins and will have the full STK number printed on them in white letters.
Most shops get 300 or more for this kind of repair. If you or someone you know can do it you can save a lot of money.
The repair really only involves two things: getting at the chips and parts and being able to unsolder and replace them.
I HAVE START TO FINISH STEP BY STEP INSTRUCTIONS FOR THIS REPAIR ON THIS MODEL. They will tell you everything you need to do the repair and how to do it--I have fixed hundreds of these sets with convergence problems.
If you think you can do it let me know and I will post the full instructions here for you.
Once the problem is fixed the set will not have the same trouble for 5-8 years--lifespan of the parts.
If this has helped you rate this solution as I do this here for free.
Posted on Dec 06, 2009
Testimonial: "The information was very informative and with it I will be able to fix the problem. Great response time, Thanks. Please post instructions for this. "
Check the power light for blink code--usually if this model shuts down the power light will blink in a sequence--3 blinks a pause and 3 blinks is short protection--usually means a convergence circuit problem.
Let me know what you find--I am here to help.
if this helped you rate this solution as I do this here for free.
Posted on Dec 17, 2009
the convergence circuit governing the red picture has gone defective and needs attention possibly a convergence amplifier IC or and convergence coil at the red CRT went defective
Posted on Apr 28, 2010
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