Question about Sony KV-36XBR450 36" TV

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KV-36XBR450 no pic/no sound 4 blinks standby (red light)

Sounds like unit is coming on, no pic/sound. 4 red light blinks, pause, 4 blinks again, etc.

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4 blinks meens no vertical deflection, check ic509 and q1505

Posted on Jan 13, 2009


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KV-36XBR450, FD Trinitron WEGA

Hello maymet,

This sounds like the HV protection circuit is cutting off the TV due to a high current event in the set. This could be a problem in the High Voltage section of your TV (Horizontal output transistor, Integrated High Voltage Transformer, and y of the deflection components, and or the CRT in cases of shorts).

I would suggest that if you do not have a background in electronics, you should have an experienced TV technician troubleshoot and repair this problem.
This is due to the nature of the dangerous voltages that are present in the television.

I hope this helps,

Thank you,


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