Question about Panasonic PT-51HX41 51" Rear Projection Television

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Panasonic 51" I just replaced both my convergance amplifiers on my Panasonic. When i powered back up, heard small "pop" and then slight smell of somehting burning. Smell went away, no picture, howerver, I noticed the "Power" indicator continued to flash. Any suggestion?? Thanks Chris

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Re: Panasonic 51"

First there are a few questions. Did You disconnect fly back xformer (black honeycomb looking deal with red large gauge wires)? Did you make sure your solder splash didn't bleed over on causing shorted amplfier(s)? Have you identified what component has went home to ma ma? You should see discoloration on either board, replace blown fuse power board replace damage part(s) and go over real good before applying power.

Posted on Sep 07, 2007

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Color is off with double image?

Is the image bow-tie shaped, with red, green or blue fringing effects? If so, one of your convergence amplifiers has gone bad. (Bow-tie: at least one of the three primary colors in the picture goes out to the corners, but the top, bottom and sides are bowed in at the center.)

If it is simple color fringing, with no color grossly misplaced, something has messed up the convergence. This may be caused by a strong magnet near the set (for example, a poorly shielded audio speaker), moving the set so its orientation in the geomagnetic field is altered or its components mechanically shifted (rough handling).

If a convergence amplifier is bad, replace it before doing anything else. If you just have minor fringing, see your owner's manual for instructions on using the remote control to adjust convergence. If it isn't in the owner's manual, you'll need the service manual. Caution: if you try to adjust convergence with a failed convergence amplifier, not only will it not help, but you will have a lot of extra work trying to get it back to normal after you replace the amplifier. Try a small adjustment along one edge of the picture. If one or more of the selected color dots in the convergence pattern won't move, and you are sure you are following adjustment directions, stop immediately and proceed with hardware repair.

Convergence amplifiers are usually marked STK392-nnn where nnn is a specific variant number. Two are used; I usually change both because quite a few people have changed one and had the other die not long afterwards. Sometimes there is a fuse in the power feed to these modules that is also blown. If you change the fuse without replacing the amplifiers, you'll probably waste a new fuse.

Oct 06, 2010 | Panasonic PT-53WX53 53" Rear Projection...

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51 inch hitatichi rear projection television was watching a program and then it went off and will not turn back picture...sound comes through the theatre

You have bad amplifiers otherwise known as IC's which serves the purpose to give you a true grid for your picture which people know as convergence. If these Ic's are completely gone you will need to replace them before your television will turn back on.
Another problem that you may have is the glass fuse which is located next to the power supply is blown and needs to be replaced.

May 09, 2010 | Hitachi 51F500 51" Rear Projection...

1 Answer

Turned on tv no picture only sound then i heard a pop and smelled burning tv turned itself off. 5 min tried turning on tv again nothing happened tv does not turn on at this time

Your RCA TV needs serious troubleshooting. Burning smell is from HV transformer or resistors smoking.

Most likely power supply and/or high voltage circuit or convergence circuit. Many times RCA have multiple or secondary faults that occur with HV or convergence failure.

Repair of RCA HV or convergence usually requires exact manufacturer parts and upgrades or repair in power supply. I would not advise trying this repair without manufacturer support for correct part numbers and service bulletins.


Feb 28, 2010 | RCA Projection Televisions

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Panasonic 51" projection tv, green/purple rainbow across the bottom and the words at top of screen are bent up

Convergence it dead.Convergence ICS and all of it resistors must replaced to solved this problems.Know how to solders?Buy a convergence kit at Tv repair, well cost u $300 for parts and labors.

Jan 19, 2010 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Replace IC Convergance chip in Panasonic PT-56HX41PF

Enter the tip of a pointed knife between the left side edges of the connector (circled in black in the attached pic) and gently tilt the knife away from the connector. Do the same on the right side. The connector should pop up.


Jan 21, 2009 | Panasonic PT-51HX41 51" Rear Projection...

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Lots of red in pics otherwise great

If you have double image sounds like you have a convergence problem which is very common with these units.Part #STK392-110

Jan 12, 2009 | Panasonic PT-51HX40 51" Rear Projection...

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Tv panasonic convergence trouble

please replace the convergence problems to solve convergence problems

Jul 02, 2008 | Panasonic PT-51HX41 51" Rear Projection...

2 Answers

Powers down

this set is known for the deflection and convergence causing the set to shut down ,watch for clues as where to begin, inspect the neck boards also for arcing as well as the flyback trans former,listen for arcing upon shut down.

Nov 16, 2007 | Panasonic PT-51HX41 51" Rear Projection...

2 Answers

Panasonic PT51HX41E Colors are all messed up

You need to change the convergence ic's IC7001,IC7002 = part# STK392-110. Also check for any burnt or discolored resistors nearby. (about a $350 - $500 repair)

Aug 20, 2007 | Panasonic PT-51HX41 51" Rear Projection...

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Projection TV wil not cut on.

You should first replace the convergence IC's, both of them. Also make sure all the resistors on the convergence IC's are good and not burnt. That's probably what you smelled burning. Good Luck

Jul 11, 2007 | Panasonic PT-51HX41 51" Rear Projection...

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