English Amiga Board


Go Back   English Amiga Board > Search Forums

Showing results 1 to 40 of 648
Search took 0.07 seconds.
Search: Posts Made By: Mick
Forum: Hardware mods 17 March 2021, 18:29
Replies: 466
Views: 62,913
Posted By Mick
Any luck?

Any luck?
Forum: Hardware mods 17 March 2021, 17:05
Replies: 466
Views: 62,913
Posted By Mick
Twins.

Twins.
Forum: Hardware mods 17 March 2021, 16:20
Replies: 466
Views: 62,913
Posted By Mick
Here's the BOM I made but it's likely not the...

Here's the BOM I made but it's likely not the cheapest parts and there may a couple of quantity errors.
Forum: Hardware mods 25 February 2021, 10:45
Replies: 466
Views: 62,913
Posted By Mick
These are the schematics for a 1:1, should be...

These are the schematics for a 1:1, should be more accurate than amigawiki.
Forum: Hardware mods 24 February 2021, 19:01
Replies: 466
Views: 62,913
Posted By Mick
It should be fully working, everything is...

It should be fully working, everything is connected where it needs to be. I'm not sure where you've seen that about serial.

If I were stedy I'd just delete all of the old stuff to prevent...
Forum: Hardware mods 24 February 2021, 15:10
Replies: 466
Views: 62,913
Posted By Mick
For placement I measured the same as the first...

For placement I measured the same as the first one but I used mils instead of mm which was key to being able to manually route it in a really orderly way, I also went from 1:1 print outs and a ruler...
Forum: Hardware mods 23 February 2021, 18:33
Replies: 466
Views: 62,913
Posted By Mick
Okay, will you still make BPF/DL though please? ...

Okay, will you still make BPF/DL though please?

What is it that stops the original board from working?
Forum: Hardware mods 22 February 2021, 23:54
Replies: 466
Views: 62,913
Posted By Mick
Cheers. It didn't work though and it was my...

Cheers.

It didn't work though and it was my first attempt when I was using mm rather than mil and I autorouted it, not to mention using a ruler and printout instead of GIMP. I've learned loads...
Forum: Hardware mods 22 February 2021, 13:33
Replies: 466
Views: 62,913
Posted By Mick
I'd like to just do a 1:1 now, I'm sure other...

I'd like to just do a 1:1 now, I'm sure other variations will follow, you might even make your own. It might seem unrealistic now but I hope that in the long run, with PCB's available, development of...
Forum: Hardware mods 22 February 2021, 13:12
Replies: 466
Views: 62,913
Posted By Mick
Nice one. Regarding capacitors if you can...

Nice one.

Regarding capacitors if you can confirm they're 0.01uF I'll be happy. :agree
Forum: Hardware mods 22 February 2021, 13:04
Replies: 466
Views: 62,913
Posted By Mick
Yeah it is unpopulated on all 2D's but Commodore...

Yeah it is unpopulated on all 2D's but Commodore added it for some reason, it's the only difference between 2B and 2D electrically, most of the difference is in appearance/layout which is why I...
Forum: Hardware mods 17 February 2021, 15:14
Replies: 466
Views: 62,913
Posted By Mick
I did some more digging and found what seems to...

I did some more digging and found what seems to be the original datasheet. Sony listed the NTSC part for PAL in their CXA1145 datasheet.

Filters for RGB Encoder

H287BSJS-3108HWD
Application =...
Forum: Hardware mods 17 February 2021, 13:05
Replies: 466
Views: 62,913
Posted By Mick
If stedy or someone can design replacements for...

If stedy or someone can design replacements for BPF and DL I will do a 1:1. Gerbers for Svideo are already in the zone.
Forum: Hardware mods 17 February 2021, 12:18
Replies: 466
Views: 62,913
Posted By Mick
Yeah but like others have said if you do a 1:1...

Yeah but like others have said if you do a 1:1 board you can always just mod in the newer DAC's (such as CXA1645 also) whilst keeping everything original for those who just want to replace a damaged...
Forum: Hardware mods 16 February 2021, 11:35
Replies: 466
Views: 62,913
Posted By Mick
Oh yeah and check to see if C26 is connected to...

Oh yeah and check to see if C26 is connected to VCC, I was looking closely at a 2D board and it appears not to be.
Forum: Hardware mods 16 February 2021, 11:24
Replies: 466
Views: 62,913
Posted By Mick
If I did 1:1 it'd need testing and for that I'd...

If I did 1:1 it'd need testing and for that I'd need replacements for the BPF and DL, I would have preferred to do 1:1 in the first place but without those parts it can't really be tested. BPF looks...
Forum: MarketPlace 11 February 2021, 12:40
Replies: 20
Views: 1,089
Posted By Mick
I'd be interested but my preference would be to...

I'd be interested but my preference would be to try to keep it as original as possible, except maybe improving/strengthening the clips, if they're going to be more than just a limited run it's not so...
Forum: Hardware mods 01 February 2021, 15:20
Replies: 466
Views: 62,913
Posted By Mick
It's an S-Video connector, TE Connectivity...

It's an S-Video connector, TE Connectivity 5749181-1. I added the old RF mounting holes in case people don't want it but would rather install a mod designed to use the original modulator mounting...
Forum: support.Hardware 01 February 2021, 15:01
Replies: 4
Views: 306
Posted By Mick
The early Gayle chips marked with -01 had bugs...

The early Gayle chips marked with -01 had bugs and needed the PAL to patch them.
Forum: Hardware mods 30 January 2021, 17:56
Replies: 466
Views: 62,913
Posted By Mick
I was looking into bandpass filters and delay...

I was looking into bandpass filters and delay lines, the circuit seems easy enough but there is a lot of math involved with passive delay lines.

I'd like to just see what a real board used for...
Forum: Hardware mods 22 January 2021, 12:10
Replies: 466
Views: 62,913
Posted By Mick
It wasn't cheap and I also already had many of...

It wasn't cheap and I also already had many of the parts, not half as expensive as buying all of the soldering/desoldering tools and other bits though. I saw it as more of an investment in self...
Forum: Hardware mods 21 January 2021, 21:01
Replies: 466
Views: 62,913
Posted By Mick
So do any electrical/math geniuses know how you...

So do any electrical/math geniuses know how you can get a 180ns delay with an lumped element delay line?
Forum: Hardware mods 21 January 2021, 18:50
Replies: 466
Views: 62,913
Posted By Mick
I just need a bit of help now identifying the...

I just need a bit of help now identifying the previously mentioned capacitor values so that the schematics are consistent with a retail board.
Forum: Hardware mods 21 January 2021, 18:36
Replies: 466
Views: 62,913
Posted By Mick
Composite: ...

Composite:
https://i.postimg.cc/3x1KxMG7/Comp.jpg

S-Video:
https://i.postimg.cc/JnkVJSss/Svid.jpg

Composite:
https://i.postimg.cc/TwY53q1N/Comp.jpg

S-Video:
Forum: Hardware mods 21 January 2021, 18:23
Replies: 466
Views: 62,913
Posted By Mick
I'll have to take some later, I got carried away...

I'll have to take some later, I got carried away playing Settlers. :laughing

Bearing in mind I'm using a 4K monitor and a HDMI scaler composite seems to exhibit quite a lot of shimmering around...
Forum: Hardware mods 19 January 2021, 18:22
Replies: 466
Views: 62,913
Posted By Mick
I can confirm video output is working, just...

I can confirm video output is working, just tested composite and s-video using a HDMI converter and predictably s-video looks way better.
Forum: Hardware mods 19 January 2021, 17:58
Replies: 466
Views: 62,913
Posted By Mick
I need to know this for finishing the schematics...

I need to know this for finishing the schematics if anyone can help.



It's taken me 6 hours to desolder the 23-pin d-subs, I was going to re-use some 25's but no way now.
Forum: Hardware mods 15 January 2021, 15:38
Replies: 466
Views: 62,913
Posted By Mick
I've soldered everything apart from the 4 big...

I've soldered everything apart from the 4 big d-subs and the joystick port (I only had 1 9-pin from planned ReAmiga build).

So I just set it up with floppy disk and some speakers and this time put...
Forum: Hardware mods 14 January 2021, 15:25
Replies: 466
Views: 62,913
Posted By Mick
There's also the differences I mentioned between...

There's also the differences I mentioned between some of the decoupling caps, I'm not sure if Amigawiki measured a physical board or what, they seem to have 2D schematics but I can't find them...
Forum: Hardware mods 12 January 2021, 15:17
Replies: 466
Views: 62,913
Posted By Mick
Ok thanks, I'll finish it and give it a test with...

Ok thanks, I'll finish it and give it a test with only D-Sub's remaining before forking out for one.

BTW thanks for the time you've put in Stedy it will have to remain one of life's mysteries. I...
Forum: Hardware mods 12 January 2021, 10:13
Replies: 466
Views: 62,913
Posted By Mick
What's the best way to remove D-Sub connectors...

What's the best way to remove D-Sub connectors from an old board? I find soldering a lot easier than de-soldering.
Forum: Hardware mods 12 January 2021, 10:05
Replies: 466
Views: 62,913
Posted By Mick
I want to just check everything and finalise it...

I want to just check everything and finalise it first, the original board should be okay schematically if you ignore the mistakes I've posted I don't know what's wrong with it.

U12_1/U13_1 was...
Forum: Hardware mods 11 January 2021, 15:26
Replies: 466
Views: 62,913
Posted By Mick
Does the A600 with 3.1 ROM have the long delay...

Does the A600 with 3.1 ROM have the long delay for IDE? and if you build a board without DAC and the floppy eventually clicks away does it mean that it has passed all post checks?

edIt. right so a...
Forum: News 01 January 2021, 21:19
Replies: 666
Views: 132,988
Posted By Mick
It wouldn't be so bad if they just sold kits....

It wouldn't be so bad if they just sold kits. Great product let down by AOTL. They'll be losing so much business from people who don't want to wait 2 years and even if you ordered today the A1200.net...
Forum: Hardware mods 01 January 2021, 19:48
Replies: 466
Views: 62,913
Posted By Mick
In case you forgot the parts that had mistakes...

In case you forgot the parts that had mistakes and shouldn't be installed were the custom keyboard header section on the back, U49 and part of the programming section, luckily none of them are...
Forum: support.Hardware 31 December 2020, 19:16
Replies: 1
Views: 208
Posted By Mick
centuriontech.eu sell some really good back...

centuriontech.eu sell some really good back plates for the A1200.
Forum: Hardware mods 31 December 2020, 19:13
Replies: 466
Views: 62,913
Posted By Mick
Cheers for the work Stedy, any information is...

Cheers for the work Stedy, any information is welcome so I can hopefully learn more. Maybe it's a manufacturing issue or just signal loss over distance? I dunno but _RST looks to be a really long...
Forum: support.Hardware 08 December 2020, 12:22
Replies: 6
Views: 697
Posted By Mick
Pin 5 of XU1 is connected to Pad 2 of the jumper...

Pin 5 of XU1 is connected to Pad 2 of the jumper but this seems to be just down to a lack of PCB space, so if the long trace to Budgie pin 36 is intact you should be able to just connect pin 11 of...
Forum: support.Hardware 07 December 2020, 21:57
Replies: 6
Views: 697
Posted By Mick
I've looked into this quite a lot, the schematics...

I've looked into this quite a lot, the schematics are for 1D1 so ignore those as 1D1 and 1D4 are not the same where XU1-XU3 are concerned.

It sounds like you have a good idea of what needs doing,...
Forum: Hardware mods 02 December 2020, 17:33
Replies: 23
Views: 4,270
Posted By Mick
This woman has some schematics but Buster is...

This woman has some schematics but Buster is probably a long shot.

https://www.youtube.com/watch?v=5uaDzF99a80
Showing results 1 to 40 of 648

 
Forum Jump

All times are GMT +2. The time now is 13:29.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Page generated in 0.11475 seconds with 10 queries