View Single Post
  #1   Report Post  
Shaun Guth
 
Posts: n/a
Default Troubleshooting a Viewsonic P815 Monitor

Hello,

I have read the FAQ for the newsgroup, but I'm pretty new when it comes to
monitor repairs.

I have a 21" Viewsonic P815 that won't display any picture at all. When
you plug the unit in and power it up the front LED light indicates power,
and also switches from green to orange if there is no video signal
attached. The very back of the neck glows, and after about 10 seconds or
so the monitor emits a high-pitched whine/pop for just a brief second
which causes the other monitor in the area to wobble a bit (is this the
auto-degauss kicking in?). Screen is always completely off (no static).

My research online seems to suggest that I should be checking the
horizontal output transistor first, but I'm unsure of what it looks like
or where I should connect my probes. Any books you'd recommend on
where to learn this stuff?

I'm not really vested in this monitor, but I picked it up for free and
figured there may be something relatively inexpensive and easy for me to
fix with my basic grasp of electronics. Anybody that can offer me some
tips or diagrams on how to proceed would be great. I checked the fuse on
the mainboard for continuity already, so that wasn't it.

Thanks,
Shaun