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TV runs for a limited time, then goes to standby

Please help with my LG 29FX5BLE-TG 74cm. It switches on and plays for some time, thereafter goes on standby. I have checked for dry joints and tested transistors and diodes, yet still stuck with the same problem

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  • kgotso_raphe Dec 04, 2008

    Sorry for not getting back to you sooner had to go first try the advices

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  • Master
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Hi and welcome to FixYa,

Appreciate the direct "Ask Me".

The LG 29FX5BLE appears to be a Korean domestic model. There are a number of possible causes for the auto shutdown as you have described. Assuming that this is a conventional single CRT TV, lets start with the vertical amplifier IC. This would be very near the 4 wires the goes to the yoke. This IC would have an aluminum heatsink and could be anywhere from 7 to 15 pins single inline package. The have been known to develop cold solder especially the Vcc pin. It may also be worth your while to trace the Vert B+ line to the resistor diode from the secondary of the FBT.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Nov 28, 2008

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