I had an intermittent fault on a Sanyo LCD TV, with Vestel PSU and Signal board. Inverter/backlights would power up for a split second then turn off - TV would then go into fault mode with the dreaded flashing LED. After much head scratching and fault finding I had one more idea - it was a last resort and it worked a treat.
On the interconnect between the PSU and Signal board I removed the female receptacle from within the moulded sockets at each end of the wiring for the BL-ON wire (I did this on all the wires, but this particular one was the solution for me). This was fiddly as f*ck but once removed I then used a sewing needle to push the inner clip of the brass receptacle so it would have a more positive grip on the corresponding pin within the plug on the board at each end. Once reconnected and powered up my set now works as it should. Been running it for 9 days now with no probs whatsoever. Like I said, it's a very fiddly task but in my case it's been well worth it.
On the interconnect between the PSU and Signal board I removed the female receptacle from within the moulded sockets at each end of the wiring for the BL-ON wire (I did this on all the wires, but this particular one was the solution for me). This was fiddly as f*ck but once removed I then used a sewing needle to push the inner clip of the brass receptacle so it would have a more positive grip on the corresponding pin within the plug on the board at each end. Once reconnected and powered up my set now works as it should. Been running it for 9 days now with no probs whatsoever. Like I said, it's a very fiddly task but in my case it's been well worth it.
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