Thanks for watching, and here is the live stream this A1500 was used for: kzfaq.info/get/bejne/sK-Ji5mosNe4k4U.html - and it performed beautifully. Hopefully there are no more unexpected problems lurking inside and we can now source some upgrades. Thank you for watching, Neil - RMC

Great video, love the quick and clean way to tackle the Audio Problem !!

Very interesting. I learned something! Well done getting it from plinky to plinky and plonky.

That Amiga is coming together beautifully Neil ☺ Great work as always !!

Great to see this machine restored and working, thanks for another great video

That's some quick trouble shooting. Nothing like a deadline to motivate. Got to love that desoldering station (ZD-915). Just got myself some extra filters and parts in case I ever need them. Should have enough to last me a good few years. Nice to see more of the cave. Looks great.

Thanks for sharing. Still have my original Win95 system and actually run it from time to time. Something about After Dark Totally Twisted screensavers and those crazy Dos games. I cannot get away from them. Hard to find people who work on these old machines when they break down.

I know it wouldn't be "stock" but I really think you should replace that sticker on the front. It still baffles me how they thought it was OK to sell it looking that bad!

I love this series, but please Neil, don't run the UV light in the same room as your big box games, it'll make their colours fade.

This series is turning into one of your best. Very much enjoying it and I've never even used an Amiga.

It's wonderful getting schematics with electronics back in the day. HiFi and radios came with schematics too and they're the items I still have. Nice Amiga project. Tomorrow I should be receiving my Mouser delivery to build the A500++ PCB, thanks to you, bringing it to my attention. Fingers crossed...

So therapeutic watching someone restore a little slice of history back to its former glory!

Sweet, sweet Retro Man Cave. Great work. Love this channel.

"Even an Atari ST owner can do it."

When looking for breaks in the PCB measure continuity from via to via along the circuit, looking at the diagram. That way you can narrow it down to a small area before the visual inspection.

For the broken key stem using baking soda with the super glue will help build up a much stronger bond and can be used to build up any gaps for a longer lasting fix.

This refurb was awesome to watch! Looks like a cool Amiga machine too, hope you enjoy it :D

"Fully working" 😄 Gotta love eBay! 😬 Great video again tho Neil, top quality as usual!

You’re coming dangerously close to being my favorite Retro channel on KZfaq, great stuff!

Just wanted to say thanks very much for these two videos - very informative. Just picked up an A1500 last week, and although 'working', one channel on the audio doesn't work and the battery has leaked, so it does need a little TLC! Keep up the great work. :)

The a10 Tank Killer box is a great touch. I loved that game

Nice fix on the sound mate ... I do really have to get one of those solder pumps .....Another machine rescued in the cave

I love that Gotek being in the bay and would like to re-create that on my 1500.

I missed the live stream because I was busy with some things, but this video was great to watch 👍🏽

That is a beast of a machine. I look forward to seeing it in action on Saturday. If you can get Gods or Magic Pockets playing on it even better :-)

Best retro content on the net!

I really enjoyed this video! Very interesting - thanks for posting :)

In awe of the size of that board. An absolute unit.

Superb video....very interesting !

Ouch! Fast repair. Very nice.

Love your videos, never stop making them

Great video, thanks for this.

Nice job!

Another excellent video Neil, thank you very much! Am I the only person who noticed the Japanese ad at 9:54? The Amiga was not widely distributed in Japan, so this ad is also something of a rarity.

I do feel like the opening titles should perhaps have gone about 2:00 in or so, just after the introduction. Lovely video, as always.

I used to use an RCA phono Y-splitter cable to make the Amiga output 4 channel mono and it worked a dream when wanting to record in stereo, albeit from a mono source. A single RCA jack into the back of the Amiga (any socket) and 2 RCA jacks into a stereo input but I'm not sure of it working on anything other than a 500+, 600 and 1200 (all tested) but it's worth a try.

Quick wargaming tip for superglue, add some baking powder around the glued area for a really really strong fix.

I got a great suggestion for broken keys: I had multiple keyboards with broken stems and after a while I started using some glue used for model building. I use UHU (a German brand) modelling glue and it works perfectly since it sorta "melts" the plastic in a little way. I also use it to repair all sorts of plastics to restore computers and consoles. I can't recommend it enough.

Could you please add links for your soldering equipment and the retrobrite light? Great video as always, I love the look of your desk and display setup.

Great job

Could you try checking R230? Strange thing is the two capacitors are not on the board (from the schematics : c230 and c240 :( ). I am thinking the resistor is on a dodgy solder joint. It wouldn't have taken more than two minutes to trace from Paula's right-hand output to the audio-jack.

4:54 You seriously made me think that my computer just hard crashed. It makes this exact same noise.

What if... your reference magazines yellowed with time?

Hmm... I just noticed that the @ and the " characters are swapped out than on a normal-layout keyboard layout. It jogged my memory because I *think* my Color Computer 2 was the same way, at least as the quotations being a shift-2 keystroke. I guess there were other machines like this if it were on these two! Also, as usual, great job!

Wish I could afford donating an oscilloscope to the cave. Imho, alot easier/faster/cheaper to isolate the problems by looking in the diagram and then look at the signals in the relevant sections. But everybody has their own method and it worked :)

Nice fix Neil 🤙🏻

Hi Neil great video it made me dig out my A1500 from the loft and give it the once over. Ive replaced the battery and looking now to replace the capacitors. Did you by any chance make a list of what capacitors are needed and which brand you recommend?

You might want to have a search for a buddha ide controller (some of which are still manufactured) :) If you want to go the graphics card route something like a picasso II+ should be easy enough to find a cybervision 64 or 64/3d where also pretty well sold back in the days :)

It would have been interesting to see, where the actual break in the trace was, though. A break doesn't occur for no reason. Maybe it would have indicated another problem.

I'm glad the recap went OK for you. I just got my SCART cable recently. Need to set aside some time to play with it and my new up-convertor (OSSC). I think my next A2000 upgrade will be a quieter cooling fan, possibly swapping out the old PSU fan for a Noctua or similar low-noise one... Cheers, - Eddy

Dude! :) The whole circuitry thing was always a black art. Can i just say thank you for the education and for such an interesting well edited high quality video!? This was bloody tremendous sir. I doth my cap to you

If you want 3 internal floppies it should be a relatively simple task of building a custom 3 way floppy cable, with the select line for the final connector running off to the _SEL2 pin on the even CIA, kind of like the external DF0 adapter but in reverse.

I think you should still find the break in the audio trace and determine its cause; it may be due to additional corrosion on the board, with adjacent traces at risk; if that's the case, you want to remove the corrosion and repair any damaged traces before you get another failure.

I like the idea of hiding an rPI in the case and using as a 'co-computer' to route things like mail/web traffic through via AmigaSSH to be able to use it securely in 2018 perhaps with some X11 forwarding and the rPI doing the work you could have chrome on your amiga (kind of), never seen anyone try anything like this to make it a viable daily driver in 2018.

I wonder what caused the break in the track? And it performed flawlessly throughout the live stream. Excellent episode as always Neil 😀😀😀 Kim 😁😁😁

Still wouldn't mind seeing a 386 adapter in it.

Nice video.

"Even an Atari ST owner could do it" Savage...

Brilliant video as always :) I feel like re-capping one of the best 2000/1500.s I have. Do you know a of a full capacitor list somewhere? Tia.

Glue the whole of the internal structure of the keys with 2 part epoxy right up to the edge of the key, (leaving only the center pole untouched) this will make them super strong and they will never break again. they will be as tough as concrete.

Looking good

Murphy's Law. Bene. If it isn't working, the fun is in the challenge of getting it working again.

TRY using an acetone based cement that melts the plastics as it bonds. I've had amazing success with fixing plastic pieces using Plastruct Plastic Weld. Bonus, when it dries it disappears as it actually melts the plastics together instead of gluing them

I had a similar problem with a SNES I bought on Ebay, right audio was not working. I checked the schematics and plug an oscilloscope at various points of the circuit to identify where it failed. It appeard a trace was faulty but it didn't solve the problem anyway. I followed to the op amp, sound was coming in but not out. Just replaced this sucker and now it works fine. The ports of the opamp that was not working were oxydized so I think the console had liquid spilled in it what damaged the traces and the opamp.

I retro brited a a2000 keyboard aswell, and most keys were alright except for the space bar..

Always informative. I wonder why they used those rubber thingies instead of springs...

Tip for your supergluing efforts: Baking soda. Place down your superglue, then put a very thin dusting of baking soda on, then stick on your part. The baking soda accelerates the drying and forms a much stronger bond. It goes from just an adhesive to like a cement.

Nice work, fortunately it was such a small problem with the sound after all. I'm trying to fix an Amiga 1200, which has really nasty scratches on the PCB mostly under the ROM sockets, because someone had removed the chips in a somewhat violent manner. Desoldering components from A1200 is also a big pain in the behind. Usually the soldering iron gets soldered on the ground plane instead, I suppose I need at least 60W iron for that. I also need to replace few sockets for a badly corroded A2000 motherboard and I'm not really looking forward to it. And I'm not gonna even congratulate you on the desoldering gun, because I'm dying of jealousy here.

I’d love to see some modern tech upgrades.

I need to check my speakers now. After you fixed the audio, I still can't hear it! hahaha!

The 5.25" drive bay was mysterious populated between 10:05 and 13:20. I'm assuming it's a FDD emulator to load disk images from a USB stick, but I'm not sure if it was covered in this or the previous video.

Great vid have a better way of fixing the bust key a product called plastex and is usable on just about any type of plastic ..U se it alot in vintage RC car repairs of abs chassis and it's good and strong chassis and can be coloured or painted .

Super glue really is a poor choice for a repair like that.. unfortunately, it's become kind of a "go to" glue for people who don't understand its limitations. Super glue's strength relies on having a sufficiently large contact-surface area to bond to. The tiny surface area involved in that small piece of plastic just isn't enough for it to achieve a strong bond. For a key repair like that, I'd recommend using a small quantity of two-part epoxy glue instead. Also, pro tip for working with super glue.. NEVER let it get anywhere near expanded polystyrene. As the 'cyan' in its chemical name, "Cyanoacrylate" hints at, a side effect of the chemical reaction between the glue and polystyrene is the production of cyanide gas. Cyanide, of course, is a pretty nasty poison that you do *not* want to inhale. I'm aware of a case where someone (who was aware of the danger) accidentally got a small drop onto expanded polystyrene, and had a tiny puff of the vapour rise up into their face. They went completely blind... for 15 minutes. Which is long enough to seriously scare you that your eyesight might be gone for good.

I would replace both the paula chip wires with silver shielded thin phono cable (pc cd drive audio cable) this is stereo cable so one wire will do both channels, silver cable is the best conductor and the best for sound quality at line level.

Wonderful video. I do have a question tho. What Mixer is that you are using and how do you like it? I'm looking to replace my old one.

Firstly big thumbs up... what a lovely technically detailed video!

If the keys are ABS plastic, then you can weld the plastic with acetone, it will remelt it together.

Great episode! I was wondering if you'd mind sharing the specs of the desoldering gun and solder iron you are using? I'm looking around to get set up myself and any advice is pretty darn welcome :)

you are the man. Love your videos.

I think I said this last time, but I still say I'd love to see it setup as a multi-system machine, with a PC bridgeboard in it, as well as running Macintosh emulation. 3 (or more) machines in the one case, that was my dream machine back in the day - so I could run virtually any software available at the time, no matter what platform (well, within reason). I know I'm in the minority there, but honestly I'd love to see that, say a 386 bridgeboard, along with a 68030 and a good 4MB or more of 32-bit fast RAM, and a nice hard disk system (although to be honest, I think it would be best to skip actual physical disks these days and use some flash memory storage), would make it a very nice system and show one aspect of what the Amiga could do that many other machines couldn't do.

Mmmmm.... Amiga keyboard. Woaaa!!!?? 🤔 No springs? Need springs.

Hmm, the noise from the right channel is mainly present when the left channel is mainly silent!

Sorry, but I just couldn't stop staring at Jackie, sat up there in the corner of the screen. What a beautiful man.

Nice video, but why did you not solve the trace issue instead of bypassing it?

Its really sad when the machine you had as a young adult is now the subject of a retro restore....

Having worked 'broad support' (everything from software problems through to hardware repair - usually cannibalising dead units to make working one) in a biscuit factory, I have something of an atavistic horror of opening keyboards.

Amigas support 4 drives in hardware... though some cable modification may be required

Just wondering. Did you replace the capacitor on the keyboard?

I really wish someone would do a decent documentary type video about the Amiga 2000 project, which actually started out as quite a different machine. The idea/prototype to build a higher end option for Amiga users was initially worked on by the Los Gatos Amiga 1000 design team before they got sacked/shut down and replaced with the much more underwhelming C= GMBH A2000 that came out a year late in 1987. The Amiga 2000 from Commodore GMBH is not much more than a cannibalised A500 (another project that was a year late, hence complete lack of promotion for the superb Amiga 1000 for a year).

Mine I recall was a creamy white not yellow at all

BTW, I have seen a comment online somewhere that the whole audio part of _all_ Amigas is actually faultily constructed - I think it was something like one-way signals or some chips used backwards to what would be natural in audio use (and from studying the schematics it should supposedly be clear). But I'm not an electronics guru so I couldn't check and verify...

Hi! Just a quick editing question. Do you colour correct your videos? They are visually quite striking and the colours come out great! Many thanks.

What program are you using to analyze the audio? I recognized audacity, but what's the first one you're showing in the video?

I seriously love that theme song. Did you write that?

You need to scan, print, and replace that crooked 1500 label.

Never seen an Amiga 1500 !

What brand of capacitors would you recommend? Thanks!

That poor Alt key! 0:29

Wouldn't you be better using the ozone method?

Hi I don't see the 'promised' link to the thin gauge wire. Can you please add it ?