Question about Panasonic PT-65WX51 65" Rear Projection Television

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Resistors capacitors thanks for your replys im not doing this repair myself its just that theres a fair few capacitors resistors around the heatsinks im told there should only be 4 thats why i asked thank you

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Do you have the schematic? your being told things that are unkown until you have the schematic in hand to confirm. call someone that is a tech!

Posted on May 11, 2008

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I have a Westinghouse LCM 19v7 monitor that stays on for a few seconds and picture goes off. I know about the capasitor replacement but there is another conponent that I need to replace. It is the pow


Hello,

That is the correct value. That resistor just gets very hot and discolors the PC board around where it is soldered. You should be able to remove all of the old solder and scrape the resistor leg to get it bright, resolder the leg to the copper pad and you should be good to go.

Oct 09, 2012 | Westinghouse LCM-19v1 Monitor

1 Answer

I have a Sony KDF-55E2000. After a short power outage the TV made a pop sound and went off. This is the third time this happens to this unit. The average cost is $270.00, the parts are always the same, 2...


Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this help in solving the problem.....

Jun 09, 2011 | Televison & Video

1 Answer

My dell inspiron 1525 wont open. Im sure that the power cable is working. Before, everytime I use it, it is too hot as if the fan isnt working at all. I dont know if some capacitors are burned already.


This laptop is fairly easy to check for overheating causes.
Remove the large cover from the back of the laptop to reveal the CPU and heatsink fan. Clean the area around the fan and heatsink. Power the laptop on and see if the fan moves ( also see that the 3 pin connector that connects the fan to the motherboard is plugged in).

Check for blown capacitors, burning around the components and signs of overheating on the board area that you can see. You could try replacing the CPU chip in case it has burned out, however, I rather suspect that the overheating has damaged another component on the motherboard and a replacement motherboard is required

Jan 29, 2011 | Dell Inspiron 1525 Laptop

2 Answers

Toshiba, 36A50 picture is a thin white line. Can this be repaired?


Yes...this TV may be repaired. The line you describe is in the center and is horizontal across the TV. You will need to resolder the vertical IC pins. This vertical IC is mounted on a large heatsink. Under the board you will see there are 5 or 7 pins that will have rings around them. Resolder these. And you should replace two or three capacitors that are next to this IC. A bad cap will overheat an IC and separate the solder grounds. If you can find my expertise page on this website, you will see the repair in more detail. Thanks for asking and show a few hands of support.

Dec 12, 2010 | Toshiba 36A50 36" TV

1 Answer

The screen bows inward from top and bottom with a multicolor blurring around the edges it does this more often than not as of late. On top of this issue, white squiggle lines run horizontally on the screen...


hello,the convergance ic are the problem 2 large chips the sit a metal frame called heatsink usually located behind the tuner, also in front of the ic are some resistors these need to be tested and the capacitors at either end will need to be tested as well if you get an engineer to do it may cost about £300 to 450 pound if can do your self it could about 40 to 80 pound. you will need a good multimeter and good desoldering and soldering skill. hope you can get it fixed.

regards
shaun

Nov 29, 2010 | Televison & Video

1 Answer

Ghosting problem on 52" XBR


Hi my name is Eric,
I hope I can help you with your issue ,
If the colors are wavy,doubled and will not move using the remote convergence menu your ICs are most likely bad, plus possibly a few resistors.
You can only adjust the red and blue in the customer menu, the all 3 colors can be adjusted in the service menu. If the ICs are bad (probably are) after you solder new ones in you may not need to do any adjustments , so leave the adjustments alone if . If you would prefer a repairman fix the set the ICs can be replaced for between $300 and $400
here is the DIY (do it yourself) info
this model PTV has two convergence ICs on a large heatsink (metal thing with fins on it) . taking it apart will require 1/4" and other driver bits and involves unplugging delicate cables and other cables that should be marked if unplugged.
I will not go into detail about how to take the board out, but know this there are a few philips screws holding it down after removing the back. The ICs are screwed to the large heatsink and when replacing make sure there is some heatsink compound on the metal to metal surfaces. also look carefully at the resistors near the ICs and check the pico fuses that supply the two voltages -35 and +35, usually I find one burnt pico fuse 5amp or 3.15amp . The two ICs are part # STK392-560 available online for around $15 each here
ICs
Install the ICs and if the blue is still off check the supplying pico fuse for the blue. (I just check the pico fuse on the power supply the two convergence ones are side by side each other)
Hope this helps, if it has solved your issue please click accept and close out the request
But if you have more questions please respond and I will reply asap
Thanks
Eric

Sep 13, 2009 | Sony BRAVIA XBR 52 in. LCD Flat-Panel HDTV

1 Answer

TV wont turn on


Go to this site they have the service manual which they email you after purchase and that entitles you to free tech support and they have a repair tech that can do the repair in his sleep he will actually send you step by step instructions with pictures on doing the repair which only cost a few dollars in capacitors

Apr 27, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Convergence?


From what i see in these posts most say its the IC ship to replace i will get one for my 46807 also but dont know where yet .
also i seen that if that dont fix it then there is a few resistor's to resolder someplace dont know where either..but i can make the repairs myself im handy CROSS fingers ..:)

Nov 24, 2007 | Mitsubishi WT-46807 46" Rear Projection...

2 Answers

Weak reception, broken surface mount component


You can not find any schematics for the Magellans.  The schematics are classified.  Even when repairing GPS's for Magellan we didn't receive full schematics.  If your talking about the RF cable connector on the I/O Board (the board attached to the rear housing), then it's an easy solder fix.  For the capacitor/resistor:  I'm not sure where you found the capacitor origin, but if it's black with four legs coming off and parallel with the IC then tell me and I'll msg you back the rest. 

Oct 09, 2007 | Magellan RoadMate 700 GPS Receiver

1 Answer

ProScan 52" Projection Turns on the right off after clicking a few times


I've had the same problem with a 60" proscan. The tech repaired it ($400 for the repair) and left a note inside the chasis explaining what he did (in case he had to fix it again). He replaced a resistor and re-soldered a number of ICs. It happened to me again, and I may attempt the repair myself this time around.

Mar 19, 2007 | Proscan PS52800 52" Rear Projection...

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