Search found 612 matches

by 1024MAK
20 Jul 2020 23:31
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

Also test across capacitor C53 (between the video board, the fuse and the internal edge-connector.

Mark
by 1024MAK
20 Jul 2020 23:27
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

Can you remove the fuse from the MTX main board and then test again on C51 and C56 please.

Mark
by 1024MAK
20 Jul 2020 23:19
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

Steven.G wrote:
20 Jul 2020 23:10
6.15 on C51 and 0.61 on C56.

Steve..
Both those are very low compared to what they should be :(

Mark
by 1024MAK
20 Jul 2020 22:58
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

Yes.

Mark
by 1024MAK
20 Jul 2020 22:52
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

BTW, that’s the two big cylindrical light blue things, one will have two wires coming out one end. The other will have one wire coming out each end.

Mark
by 1024MAK
20 Jul 2020 22:46
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

OK I went for it and masked all but pins 5 and 2 which gave me a reading of 23.6, which I think is what I should get. SO I assume the PSU is OK then. Tomorrow I'll have another go at removing the board for inspection. Steve.. If you can remove the keyboard and the video board, then (for some tests)...
by 1024MAK
20 Jul 2020 22:41
Forum: HARDWARE
Topic: No picture.
Replies: 89
Views: 3516

Re: No picture.

Dave wrote:
20 Jul 2020 21:58
Did you look at the “measurement points” section in the table?

I think it’s pretty clear - but then I wrote it :)
With a bit of help :mrgreen:

Mark
by 1024MAK
14 Jul 2020 16:13
Forum: MEMOFEST 2020
Topic: Any Memofest this year?
Replies: 3
Views: 409

Re: Any Memofest this year?

A lot of business ‘meetings’ are being done by video conferencing in the U.K. at the moment as people are still being discouraged from commuting to work. And there are still restrictions on how many people from different households can meet together. The Acorn computer enthusiasts are having regular...
by 1024MAK
10 Jul 2020 23:33
Forum: INTRODUCE YOURSELF
Topic: Greetings
Replies: 3
Views: 305

Re: Greetings

Hi Peter Welcome to our slice of Memotech :D Be sure to visit Andy’s site where you will find MEMU :D ETA: ahh, I see you have already found MEMU :lol: Also there is loads of stuff including manuals and technical documentation on Dave’s site :D And of course, don’t forget the host site of this forum...
by 1024MAK
17 Jun 2020 19:49
Forum: OFF TOPIC
Topic: Another Home-Brew - Z180
Replies: 64
Views: 11510

Re: Another Home-Brew - Z180

👍 :D

Mark