Sony XBR 36" tube has yellowish cast

[jcryan2]

I have a Sony XBR 36" HDTV that intermittently has a very yellow cast
to the screen image. There is no consistency as to when the yellowish
cast appears. The TV might have been on for an hour or more or within
a few minutes of starting. Normal color can and does reappear without
turning the set off. Recorded shows on the digital cable set that were
normal when initially recorded have the yellow cast so I am comfortable
it is not the cable box have problems.

Any thoughts....

 

[James Sweet]

I have a Sony XBR 36" HDTV that intermittently has a very yellow cast
to the screen image. There is no consistency as to when the yellowish
cast appears. The TV might have been on for an hour or more or within
a few minutes of starting. Normal color can and does reappear without
turning the set off. Recorded shows on the digital cable set that were
normal when initially recorded have the yellow cast so I am comfortable
it is not the cable box have problems.

Any thoughts....

Sounds like you're losing blue, if it's intermittent I suspect a cracked
solder joint on the neck board.

 

[jcryan2]

I'm comfortable wandering around the inside of a PC, but don't venture
inside the high voltage world very often. Which board is the neck
board? Would that be the small board at the end of the CRT?

Thanks...

 

[jcryan2]

A bit more info -- I think at this point I have lost the red. The
image has blue where appropriate and lots of yellow and green. It's no
longer intermittent, it stay the same all day today.