Re: Samsung LN-S4041D Repaired... Not Quite

So my Samsung LNS5051 with a BN44-00134A power supply developed an intermittent back light issue. I have had this set for a while and had replaced some of the secondary filter caps several years ago for slow to come on. Now I find two more puffed and replace them. Worked for a week then intermittent back light out again.

On closer inspection I found two mounting grounding pins on the heat-sink for Q801 & Q802 with cold solder joints. One of the heat-sink pins is providing a ground signal to some of the circuit. ...