Question about Sharp 27SC260 27" TV

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"Fisheye" effect I have a Sharp TV, model 27sc360, and the image is distorted in what can best be described as a "fisheye" effect. The top and bottom few lines are cut off in the center, and the image is squished both horizontally and vertically at the sides. The effect is not huge, but it's annoying. Is this something that can be fixed by getting into the service menu? If so, does anyone know how to get into it and what parameters to change?

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5 Suggested Answers

  • 1 Answer

SOURCE: Accessing Menu Sharp TV

its very easy on the t.v and press on channel up or down on your tv. u will get the screen

Posted on Aug 25, 2007

snakehead
  • 1070 Answers

SOURCE: tv will not cut on

there is no recall on sharp tv that i know about if your tv is still on warranty take it back to the supplier.if the warranty is finish call a tech the tv has a problem in the power supply and related circuit.good luck.

Posted on Apr 14, 2007

SOURCE: LC-37D62U Sharp Aquos HDTV Settings

lost sound on Sharp Aquos 37LCD62U

Posted on Jan 25, 2008

SOURCE: Sharp Tv 25E-M50

WELL FIRST U HAVE TO SEE WHETEHR THE SUPPLY FOR VERTICAL SECTION IS OK.IF ITS OK THAN.CHECK FOR SOME DRY SOLDER AT VERTICAL SECTION.OR ANY LEAKAGE CONDENSER ,AT LAST REAPLACE THE IC VERTICAL.IT WILL BE OK'

Posted on May 22, 2008

  • 346 Answers

SOURCE: Blue horizontal and vertical lines

poor convergence

Posted on Nov 12, 2008

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SONY KV SW 212 M80 Screen sowing pin cushion distortion. Screen is squeezed on the side and the side is curved inward.


Hello
Its pin cushion distortion circut had some trouble with it. There is an Ic and one transistor wich controls the pincushion effect. In most cased the trasistor that fitted on a heat sink, will have loose soldering at its terminals. this transistor will heat up during working, and repeated heating an cooling will make solder terminal loose contacted and it is normal fault. locate this transistor, very near to the LOT, resolder its solder terminals by applying a little more solder. It is best to resolder most of the surrounding solder terminals of high watt resistors, without making any solder bridge in between the solder points. If these does not helps you, replace both the IC [an eight solder terminal one, small IC] and the pin out transsistor described earlier at the same time. this will solve your TVs problem. OK.

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Originally when 16:9 TVs were produced movies were being shot in 16:9 so that you had a full screen. Now they are being shot in 14:9 as it gives you a more cinematic experience. This is due to the fact that colours look more vibrant when they are placed against a colourless/lightless surface (such as a black panel) as for the bars on the side of the screen LuciferStarr is correct; it depends on the format in which the video was originally produced. For example most older television shows are still shown in 4:3 but newer shows and movies are produced in the widescreen format.

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1 Answer

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the problem of your tv was in the vertical section.if you can locate the vertical section, change the capacitor value 100/50volts

May 09, 2009 | Televison & Video

2 Answers

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This is a convergence rpoblem that is either bad connections on the pins of the convergence ICs or defective ICs. If you can solder and are comfortable working inside TVs where there are potentially dangerous high voltages, let me know and I'll provide additional details and instructions for fixing this yourself.

Dan

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2 Answers

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By distortion do you mean that the top part is stretched? If so, you have bad caps in the vertical circuit. If you are comfortable working inside hte set and can solder, you can fix this yourself. Please post the model number and I can give you the details.
Dan

May 28, 2008 | Televison & Video

1 Answer

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I cannot tell you locations for parts in this model, but this fault is genericaly very much the same for all CRT sets.

There is a fault in the pin cushoning circuits. Usually this is from failing electrolytic caps in that area. The pin amp is also part of the vert and horiz deflection circuits. Sometimes the pin amp driver devices (IC's or transistors) can also be at fault.

With an ESR meter it is very easy to find the defective caps. They will have higher than normal ESR than the caps that are working properly.

If the barrel distortion is along the width of the display, this indicates that the pin fault is in the vertical pinn part of the pinn circuits.

Read about ESR for Cap testing at this link:
http://wiki.xtronics.com/index.php/Capacitors_and_ESR

Jerry G.

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1 Answer

Mitsubishi Diamond Series CS-27609 problem...image looks "fisheye"


2 years later and I may have a solution for you

I has a similar problem and I didn't quite fix it but made it less noticeable.

Press menu and then the code 2-3-5-7, this enters a service menu. Press Audio/Video to go between the options to get to options 40-50 to adjust geometry. Be sure to write what setting there on before you change it (even if they're wrong) just in case.

Its just trial and error from there, and hope I can still help.

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5 Answers

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I suspect you originally had an intermittent solder connection on the convergence circuit board. This may have damaged the convergence IC's on that board by now if repairing those connections doesn't fix the set.

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not sure but you could have a bad color wheel i would suggest a service call from your local shop

Jun 07, 2006 | Samsung DLP HL-P5663W 56" TV

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