I wasn't going to post this because the repair failed but what the heck, maybe someone can learn from it. I have a 30" widescreen Sony WEGA TV, a really heavy picture tube TV. Several months ago it wouldn't come on and the light on the front flashed 7 times. I googled it and found out that this meant there was something wrong with the high voltage board, specifically two chips. After debating rather to bring it somewhere to fix it (probably $200 range), replace the board (also $200 range), or replace the two chips ($70 for the parts and a new soldering iron with a small tip and a couple other supplies). I finally decided on the $70 option even though I was leery about being able to unsolder the chip's pins, get them out, and then replace with new ones. So I ordered the parts, got a new iron, took a bunch of pictures of the inside of the TV so I could remember where all the connectors went, and disconnected everything. I actually did a good job of getting the old
I almost always have something going on.