Re: Apple B CRT monitor popping and clicking

2018-04-03 Thread Fred Cisin via cctalk
….The Apple Studio Display series of CRT displays were available in a 17" Diamondtron and a 21" Trinitron CRT, both driven by an LG-Manufactured chassis. These displays were notorious for faulty flybacks. … those are both COLOR, aren't they? Not that it couldn't be flyback, but those two

Re: Apple B CRT monitor popping and clicking

2018-04-03 Thread Tapley, Mark via cctalk
On Apr 3, 2018, at 3:48 PM, Phil Blundell via cctalk wrote: > On Tue, 2018-04-03 at 21:07 +0100, Ian Frost via cctalk wrote: >> >> Recently booted up my B Powermac G3, all came up fine including the >> 17” CRT monitor. However after a second or so, the >> monitor gives

Re: Apple B CRT monitor popping and clicking

2018-04-03 Thread Phil Blundell via cctalk
On Tue, 2018-04-03 at 21:07 +0100, Ian Frost via cctalk wrote: > > Recently booted up my B Powermac G3, all came up fine including the > 17” CRT monitor. However after a second or so, the  > monitor gives a ‘popping’ sound and the image on the screen expands > then shrinks. This repeats every few

Apple B CRT monitor popping and clicking

2018-04-03 Thread Ian Frost via cctalk
Hi all, Recently booted up my B Powermac G3, all came up fine including the 17” CRT monitor. However after a second or so, the monitor gives a ‘popping’ sound and the image on the screen expands then shrinks. This repeats every few seconds. I’m guessing the monitor is on the way out - but as

Re: RL01/RL02 emulator needed -- (was Many thanks to Glen's Vintage Computer Info)

2018-04-03 Thread Al Kossow via cctalk
On 4/3/18 6:25 AM, peter--- via cctalk wrote: > Hi Alan, > You don't want to try to repair the controller? There are some custom IC's on > there (it appears) but is largely off-the-shelf TTL... I'm sure someone on > the list has a lot of experience with these and could repair it or help. Glen

Re: RL01/RL02 emulator needed -- (was Many thanks to Glen's Vintage Computer Info)

2018-04-03 Thread peter--- via cctalk
Hi Alan, You don't want to try to repair the controller? There are some custom IC's on there (it appears) but is largely off-the-shelf TTL... I'm sure someone on the list has a lot of experience with these and could repair it or help. -- Pete Rittwage On Tue, Apr 3, 2018 at 00:50, Alan Frisbie