Sorry to ask you guys a computer question again...

[radiotvnut]

Originally Posted by karmaman

The main problem I'm having right now is that the monitor lost Horizontal. I was using it earlier today when the screen kinda flinched a few times and then it turned into a very bright, vertical line going down the middle. I said a few choice words, then instantly hit the power button to avoid burn-in. Can you guys tell me what causes a loss of Horizontal, and where to start/what to check? I really want to get this monitor going again. When I turn on the monitor, it degausses and then the power light starts blinking yellow.

After re-reading everything, I'd be willing to bet the horizontal drive transformer has loose connections that caused the picture to flinch and then collapse to a vertical line and then blow the HOT. Like I said before, this was a very common problem on Sony TV's. Look on the schematic and trace the base pin of the horizontal output transformer back to a coil winding. That will be the secondary winding of the horizontal driver transformer. Resolder it's connections even if they look good.

If that IC on the neckboard is mounted on a heatsink, resolder it. Those get hot and are also bad about having loose connections.