Help PM3268 Scope

[J.Hoekstra]

Hello,
my pm3267 scope vertical amplifier is broken.
I suspect the oq0020 and oq0049 ic's.
The manual doesn't show the internal function of these chips.
Philips has no info on them anymore, if you can help I would be very
grateful..
Greetings from Johan

 

[pjohn23]

The 0020 is a vert channel switch. and the 0049 is a vert amp-trigger
pickoff.
They are custem Philips chips.
Phil J

"J.Hoekstra" <fam-j.hoekstra@zonnet.nl> wrote in message
news:4db3f$41c31e43$513b9090$31627@news1.zonnet.nl...

Hello,
my pm3267 scope vertical amplifier is broken.
I suspect the oq0020 and oq0049 ic's.
The manual doesn't show the internal function of these chips.
Philips has no info on them anymore, if you can help I would be very
grateful..
Greetings from Johan