Question about Sanyo HT32744 32" TV

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Problem with Sanyo 32

The tv is only about 5 years old and I'm having a problem where the screen looks hourglass shaped where the sides are bowed inward. I was able to get it to hit the back of it and eventually it went away for several months. Recently, it started doing it again. Any idea if it's worth fixing?

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Your problem is in the pin cussion ,so change the capacitor around connect to pin cussion area or if you can see a trimer in that area try to adjust or else resolder you tv.

Posted on Oct 16, 2008

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TV comes on but after a while there becomes a hourglass shape on screen. It is drawn in 1/2 inch on the sides. Can this be fixed cheap?


yes. has a pincushion circuit problem. since tv works and then starts to bow, its a bad solder connection. when tv warms up the metal expands and looses connection. when cold, the solder constricts and unit works fine. just solder deflection area. you can probably tap on board and locally find area to solder.

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Took back off, removed control board and inspected for bad solder joints. found no obvious problem. Cleaned and reinstalled. Working ok now. I'm crossing my fingers.

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Have you ever had this problem?


Sorry Ginko, but a convergence problem would have the curves down from the top and up from the bottom. The hourglass shape is a pincushion problem. This can be as simple as a bad capacitor in the pincushion circuit.

Could you please confirm the model number so I can look up the probable part?

Thanks,
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1 Answer

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A common fault are some of the electrolytic capacitors failing in the pin cushoning amp section, and probably in part of the scan amplifiers.

To service this will require the proper training and set-up to troubleshoot the set.

Take the set to a service center for an estimate. The cost can be at least an hour or two for the labour, and then the cost of the parts on top.

Jerry G.

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1 Answer

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The shape your seeing is called 'V Bow' and 'Pincushion' which needs to be calibrated again. Theres probably a diode that went out. The tech can open it up and adjust the angles back. I wouldn't charge over $100-$150. Shop around for a good repair tech. Good Luck poe_diddley.

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1 Answer

Have you ever had this problem?


Generally,pincushion may be driven by a chip or IC,but pin out is normally a durable xistor. Servicer adjustments are minor for pin correction.Go to pin out circuit & measure voltages.Get back to me on your findings.

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