> The usual culprit on this board is the flyback > transformer (FBT), which powers the CRT as well as the video board. > After a lot of running cycles, the thin insulation on the wires wound > tightly inside the FBT breaks down, which causes intermittent shorts, > which causes overheating, which eventually results in a complete no- > start or shutdown condition. Normally, a failing FBT will give plenty > of warning. It usually starts with snapping noises accompanied by > screen flashes, escalating as the deterioration worsens. Acrid burning > odors are not unusual, and occasionally there's a puff of smoke as an FBT > dies.
Well, that explains the deaths of my two Apple 17" CRT monitors! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
