Question about GE D52GW12 52" Rear Projection HDTV-Ready Television

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I have a projection tv that has a module that sparks on the circuit board when it is turned on.

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  • williamchadp Nov 12, 2009

    btw. the part has lettering on it for the screen and focusing and adjustments also. it is a coil-like part. does anyone know what this part is?

  • williamchadp Nov 12, 2009

    the actual coil-like part in the back of the tv on the circuit board is melted. the part has two adjustments on it for the screen and the focus. i am pretty sure the part is fried. where can i get a new part and what is it called?

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  • GE Master
  • 11,800 Answers

Most likely in the high tension module some wires are too close to the board - move the components apart and put some ceramic insulators. But in any case fix it quickly or you risk burning your house down.

Posted on Nov 12, 2009

  • Azrael SRL Nov 13, 2009

    It's the High tension line transformer, it's sold in specialized electronic parts shops. Since the circuit board is melted it should be completely replaced - it will be expensive. This is a job for qualified repairman.


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You need to re-solder the circuit board that contains the STK convergence modules. They're on the center circuit board attached to an aluminum heat sink that's about 8" long and 6" tall, about dead center in the circuit board. You may be able to recreate the problem (hour glass effect) by gently moving the heat sink (which the modules are connected to). This gives the hour glass effect on the picture and the advanced convergence screen. This is an indication that the modules pins aren't solidly connected (meaning soldered) properly. Remove the circuit board and clean the old solder off & resolder the modules pins to the circuit board reconnected the board and then retest by again pushing on the heat sink. This is a caused by a minimum effort (a.k.a. minimum cost) solder job, probably done in some 3rd world sweat shop. The "factory" job was good enough for 3-4 years but the heat (and these modules do create a lot of heat) and stress created from repeated use eventually takes it's toll, weakens the pin connections and our problem occurs. take the appropriate cautions working around the high voltage of the set & use a non-conduting piece of wood to push the heat sink when we doing tests.
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You need to re-solder the circuit board that contains the STK convergence modules. They're on the center circuit board attached to an aluminum heat sink that's about 8" long and 6" tall, about dead center in the circuit board. You may be able to recreate the problem (hour glass effect) by gently moving the heat sink (which the modules are connected to). This gives the hour glass effect on the picture and the advanced convergence screen. This is an indication that the modules pins aren't solidly connected (meaning soldered) properly. Remove the circuit board and clean the old solder off & resolder the modules pins to the circuit board reconnected the board and then retest by again pushing on the heat sink. This is a caused by a minimum effort (a.k.a. minimum cost) solder job, probably done in some 3rd world sweat shop. The "factory" job was good enough for 3-4 years but the heat (and these modules do create a lot of heat) and stress created from repeated use eventually takes it's toll, weakens the pin connections and our problem occurs. take the appropriate cautions working around the high voltage of the set & use a non-conduting piece of wood to push the heat sink when we doing tests. Best of luck, hope ya fix it.

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