Question about Sony FD Trinitron WEGA KV-20FS120 20" TV

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Sony 36 Wega XBR Flat Screen - sudden death.

My Sony 36' XBR Wega Flat Screen is 7 years old.
While watching TV, it blanked out and will not come on again. Any help will be appreciated.

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  • Sony Master
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This could be a scan amplifier failure, and there is a loss of high voltage to the CRT. Part of the power supply may have also failed. In these sets, if the CRT emission goes low in emission, or the CRT goes defective, the bias supply to the CRT will go in to protect.

An experienced TV service tech can troubleshoot the set and give you an estimate for service. Considering the age of the set, the cost of service may not be worth it.


Jerry G.


Posted on Jan 08, 2009

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Posted on Jan 02, 2017

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