Question about Sony FD Trinitron WEGA KV-27HS420 27" TV

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Sony Vega Service Codes

When I turn my Sony Vega Model KV-32HS510 tv on, the standby light blinks seven times, pauses then blinks seven times again. Could you tell me what needs servicing??? Sony FD Trinitron Wega KV-27HS420, no picture, turns off,blinks 7 times, unplugged for 24 hours, worked for 3 days, same problem again. Any suggestions. 99.00 just for Sony to come look at it.

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KV-32HS510 and KV-27HS420, seven times blink error code shows problem in Horizontal deflection circuit.

There are many possibilities like dry solder joints, weak capacitors, Horizontal transistor short or flyback transformer fried etc.

If you have little experience of TV repair and good solder skills and have necessary tools to test / check defective parts, then you can make it. you also need to have related service manual to see board location, schematics and part numbers.


Posted on Dec 12, 2008

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Sony Triniton Wega Model KV 32HS510. After pushing the power button,the tv starts to power up, then the standby light blinks 7 times then pauses before blinking 7 times again. It continues to do this,...


This is usually an indication of a failure in the scan amplifier sections. When the scan amplifiers or high voltage sections fail, the main power supply will usually also require servicing.

It is very common that the fly-back and high voltage multiplier and also the horizontal output stage fails in these sets. Along with it, the power supply will usually require to be serviced. On rare occasions, the vertical deflection amp fails.

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