Question about Sony FD Trinitron WEGA KV-27FS100 27" TV

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Sonny tv problem

When turned on screen shows it in standyby mode. No picture or sound. what is the solution?

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Re: sonny tv problem

The problem with this model is the large parts due to poor wave soldering. Locate the transistor Q605. Using a small wattage soldering iron melt the solder and add a little solder to all the large parts in the area. Small wattage = 15 to 30 watt. Stay away from the surface mounts they are not the problem. I resoldered the following: D647
Q605 C690 D645 D620 R691 Q691
These parts are located on the main board, the one the power cord connects to. Carefully press the clip on the left side of the board (as you look at it from the rear of the tv) carefully pull the main board back and out of the rails. You will find the parts on the right side of the main board about 2 inches over 2 inches down.

Posted on Dec 31, 2007

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