Op amps. Very likely.
-- Brendan Keith> ---------- > From: chumblespuzz[SMTP: ] > > I've got a Black Widow board that does this: > > http://members.home.net/chumblespuzz/images/bw_prob1.jpg > > Checksummed all EPROMs. Changed all socketed chips. It's not the monitor. > > Any suggestions on where I should start looking? > > Thanks, > -roy- >