View Single Post
  #4   Report Post  
s
 
Posts: n/a
Default identified (well sorta) loose solder joint in Sony Trinitron 17" - will I die?

Woohoo I fixed it!!

I love saving $600 bucks lol!!!

"s" wrote in message ...
Had some power brownout probs... may be related...
Sony HMA 200 17" Trinitron heats up and then all of a sudden the picture

at
the upper right pops in about 1 cm.
Occasionally, it will pincushion toward middle.
Whacking sides of monitor fixes it for a few minutes.

Pulled cover... knocked around on PCB with a piece of plastic shaft from
coathanger.
Solder open seems to be near a heatsink and transistor near the front left
on main board right by flyback.

If I can manage to yank the board up to reflow some joints, am I gonna get
my balls blown off?

I've repaired studio strobes with a voltage of around 600v successfully

and
lived to tell.

With cover off and brightness down to 0 the problem has not reoccured in
about an hour now.

Also- should I keep brightness down and up the contrast to prolong the

life?

Thanks in advance!
I dearly love this little monitor and just learned that Sony has abandoned
all sub-21" CRTs =(

Skip