Posted on Mar 31, 2011

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My sony bravia tv modle no KF55E200Aturn off itself and on again after 1 or 2 munte

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Donald DCruz

Sony Master 17,130 Answers
Posted on Mar 31, 2011

Donald DCruz

Sony Master

Joined: Jun 24, 2010

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If the set had worked well and then started to shunt with an ON/OFF condition then it is possible that there is a case of low voltage into a circuit which dampens the feedback to the processor and so shuts down only to start up.
Please check the power supply, check all solder joints for drying , check electrolytic capacitors in the power , main board and driver sections.
Check any particular components that seems to heat up and cause this malfunction, it can be related to an IC that becomes unstable. Use a freeze - it spray to confirm.

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