Mac SE/30 pincushioning and flicker
ian.finder at gmail.com
Sat Apr 2 11:28:45 CDT 2016
The flicker is gonna likely be aging capacitors on the analog board. Ideally you'd replace these.
For the pincushion I believe there are magnets on the yoke that can be adjusted...
Sent from Outlook for iPhone
On Sat, Apr 2, 2016 at 2:51 AM -0700, "David Griffith" <dave at 661.org> wrote:
I recapped a Mac SE/30 a few months back and only just now put it back
together. After a false start with dirty contacts on the ROM simm and
resulting irregular vertical bars, the machine is working again. There
are no more zipping sounds coming out of the speaker. Two problems
1) There is slight pincushioning along the bottom of the CRT, about a
third of the way in from the left.
2) The CRT produces a rather noticable and irritating flicker. I don't
remember the one-piece Macs flickering like this.
I think a cleverly-placed magnet might fix the pincushioning and recapping
the analogue board would remedy the flicker. Can I get some thoughts,
commentary, and suggestions on this?
dave at 661.org
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