EEVblog 1593 - 16kV ESD Tester REPAIR

EEVblog 1593 - 16kV ESD Tester REPAIR - Part 2

Рет қаралды 25,333

Күн бұрын

Repairing the Haefely Trench PESD-1600 ESD Tester, plus some testing and discussion of the IEC 61000-4-2 standard.
Part 1 teardown: • EEVblog 1572 - Haefely...
Rotary encoder teardown: • EEVblog 1573 - TEARDOW...
Forum: www.eevblog.com/forum/blog/ee...
00:00 - Repair of the Haefely Trench PESD-1600 tester
01:40 - Special snowflake rotary encoder test
03:15 - Laugh at Dave as he solders before looking
05:06 - Nothing worse than a floppy pin
07:09 - Soldering the switches
11:01 - The reassembly nighmare
18:52 - Does it work?
19:53 - Battery pack replacement
22:27 - ESD Testing that's good enough for Australia
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#ElectronicsCreators #ESD #EMC

Пікірлер: 94

@AdamSkubel 4 ай бұрын

Hey Dave, I would be interested in seeing a proper-ish ESD compliance testing setup. It would be especially interesting to see all the failure modes that result from improper/absent ESD protection.

@electronash 4 ай бұрын

4:35 - After so many years of soldering, I have my mantra of "Always check the pins before soldering!". ...but, a few days ago, I still did almost the exact same thing when soldering a USB 3.0 connector. lol It's so easy to forget to check that stuff. I bent two of the pins on the connector, but luckily only soldered a few of them before realizing.

@EEVblog 4 ай бұрын

Extra easy to foget when recording video and commentating.

@electronash 4 ай бұрын

@@EEVblog Yeah. I wanted to try doing "proper" YT vids many years ago, but I'm too shy. I did hear from some KZfaqrs that it can be very tough to do the technical stuff with the camera in the way, whilst talking etc. I watch some people on live streams (like bitluni), and I have no idea how they can concentrate on electronics and programming, whilst reading a lot of the chat comments at the same time. That's hard.

@gbleasdell 4 ай бұрын

Haefely products are not designed for ease of repair or manufacture but at the high cost of these units they can afford to take extra time to assemble. I have used used a couple of their pulse generators and have found them to be very reliable even though they don't have a highly refined appearance.

@ronniepirtlejr2606 4 ай бұрын

Dave, I would like to see you build & demonstrate how a standardized ESD test is performed. At least good enough for Australia👍😁

@lizardkeeper100 4 ай бұрын

yes I do want you to make the ESD bench I don't know much about esd testing and would love to see some videos on it

@zebo-the-fat 4 ай бұрын

Nice simple construction!!

@MSP_TechLab 4 ай бұрын

It reminds me when I decided to diy megaomhmeter a year ago. It was nicely looking in CAD, but when finished soldering the boards, and started to assembly, it appeared to be a very complex task. Really need some kind of mechanical engineering videos for electronic engineers.

@samuraidriver4x4 4 ай бұрын

CAD and real life are 2 different things and I have seen very silly things designed by engineers. Putting end caps on both ends of a pipe and welding them on the inside of the pipe for example😂😂 The best product designers have experience actually making stuff.

@MSP_TechLab 4 ай бұрын

@@samuraidriver4x4 yes I understand that it usually takes years to master something. But I suppose similarly to best practices in pcb design, there should be some best practices for enclosure design for pcb. Particularly I tend to do a device as small as possible, just to find that it is almost impossible to assemble it :). And to be honest it would not be an issue for first iteration of design. But I'm hobbist, which means that first is probably the last iteration. That is why I'm looking for some generic rules to make first attempt as good as possible.

@technodaz 4 ай бұрын

The fab I worked at years and years ago had all this esd stuff up and with an audit coming up from the us-gov, I thought it was about time to tell them that their esd strap testing machine was rubbish. I told them it was faulty they tried it, no problem and said I was wrong. So okay I come along no strap press button and pass test. They all chatter then they try it and still no pass....then I told them , rains here a lot my feet are soaked and there's no mat under the tester. An hour later every single one had a rubber mat under it and I had my five mins of fun watching top brass all having a panic attack.

@whatsmyusername1231 4 ай бұрын

It's crazy how much trouble a small shaft can give ya ;)

@PhonePhreak3z 4 ай бұрын

Glad you finally got the part, very cool bit of tech. Glad it's working now, hope to see some experiments with it! Thanks for the video.

@KeritechElectronics 4 ай бұрын

Nice fix - almost messed it up! Shit happens. Now you got yourself a nicely working phaser.

@anthonyshiels9273 4 ай бұрын

I would love to see you design and build a proper ESD Test Bench.

@PIXscotland 4 ай бұрын

Looks like the solder lugs were the last part of the construction of that piece. Just drop in the modules and solder.

@unclefrogy743 3 ай бұрын

your vids are very interesting. I also find it reassuring seeing the difficulties you are having it is not just my fault when things go wonky some of this stuff is not made to work on easily or maybe at all!

@ceilingfanmusic6597 4 ай бұрын

This device definitely was not designed to be repaired lol good on you for having the pasents to actually deal with the fiddelynes of this device cause admitidly i would have given up and bodged it to the point of working lol

@ovalwingnut 4 ай бұрын

This repair was a real lighting rod for interesting user comments. I was personally sHoCkEd to see how it was designed. I know that's not the current model but it should do the business. I found this video to be quite electrifying. Thanks so much.

@1kreature 4 ай бұрын

Checked the original video and all switches were flush with the plate, and all had spacers when you took it apart. One fell on the mat, 3 stayed on and 2 were left on the board before you picked em off. So, this was a case of DaveSweeper doing the rug thing.

@iamdarkyoshi 4 ай бұрын

Anyone else think postal services should only get the money you paid them to deliver your item if and only if it goes start to finish in their system without getting lost or damaged?

@eimparas 4 ай бұрын

Nobody is gonna belive this but i was looking if he had uploaded any updates on the ESD gun half a hour ago ! ...

@mikethompson2593 4 ай бұрын

I don’t believe it. 😂

@eimparas 4 ай бұрын

@@mikethompson2593 Dang .. i knew it ! :P

@entropyachieved750 4 ай бұрын

Your right, I dont

@Amberlynn_Reid 4 ай бұрын

Nobody is gonna believe this but I was looking if he had uploaded any updates on the ESD gun 1 second ago

@JanBabiuchHall 4 ай бұрын

Do it. The ring of SMD resistors on the target is quite pretty.

@grantm902 4 ай бұрын

I did a similar pin-bending gaffe with a 4-gang pot a month or two ago, and it had shorted against another pin. Fudge my life.

@norbert.kiszka 4 ай бұрын

Let me guess. You didnt receive those encoders, because they was sent via DHL?

@musicforsoul3324 4 ай бұрын

I fell like that bended pin on encoder will fail someday. You could have used second one instead

@zaprodk 4 ай бұрын

If it ever fails, Dave will know that it is the *bent pin :)

@nixxonnor 4 ай бұрын

Wow, that was troublesome... to watch... Catch you next time and Bob is our uncle

@barrybogart5436 4 ай бұрын

I do appreciate the Hell you put yourself through for us. This is even harder than that digital camera you fixed, Eventually.

@mikedfgfj 4 ай бұрын

This thing is a monument to the planned obsolescence: place one small weak component in the very middle and you are golden.

@keithking1985 4 ай бұрын

That encoder was awesome 😊 Until you nearly broke it's leg😅

@harryshector 4 ай бұрын

Evidently, they had a retrained steam fitter on the design team. The B-58 ‘Hustler’ had similar problems.

@bertblankenstein3738 4 ай бұрын

Yeah a procedure will go much better the second time. With this product, I think I would cry having to disassemble/reassemble it a second time.

@chrisridesbicycles 4 ай бұрын

Never saw a bit of kit that fought so hard against getting repaired. 😂

@iStandWithRussia 4 ай бұрын

reminds me of my previous employer's best practices

@johnsonlam 4 ай бұрын

Every soldering guy got 3rd hand ;-)

@mothMagnets 4 ай бұрын

Whoever designed that must aspire to work in the automotive industry 🤪

@oly463 4 ай бұрын

Can you run through the high voltage switching circuit ? I assume it charges the standard model circuit then disconnects the EHT generator ? I.e. is it a vacuum relay or mechanical moving ball discharge type ?

@EEVblog 4 ай бұрын

Potted unfortunately.

@oly463 4 ай бұрын

@@EEVblog shame, but good result . I am sure you will be able to destroy many many boards :)

@MrTurboturbine 4 ай бұрын

X-ray time.

@JonnyFix 4 ай бұрын

I bet you could catch a class-5 free roaming vapor with that thing!

@joeyjustin6895 4 ай бұрын

Your Right Tottaly wrong way to design anything. I'm old school 80s I love when all the connectors and button boards are all connected together with wires. At least their maneuverable and no stress on anything. That's got stress on everything

@thevoidedwarranty 4 ай бұрын

Can't belive he didn't show us the 16kv sparks

@cannesahs 4 ай бұрын

All buttons had plastic rings until someone lost those

@joeyjustin6895 4 ай бұрын

Between each board I would have put a ribbon wire coming out of the bottom of one board and back into the top of the next one so plenty of maneuverability

@aaronsbarker 4 ай бұрын

I came across an interesting multimeter the other day.... Have you seen the Volty Switch? I'm contemplating a purchase of a couple.... What's your opinion?

@JimmyMish 4 ай бұрын

I have a feeling they soldered the ring terminals after assemblying the PCB sandwich

@zvpunry1971 4 ай бұрын

18:45 "there is a special place in hell for whoever designed this" This special place is called the throne. ;)

@bertblankenstein3738 4 ай бұрын

Now you are ready for a collaboration with Electrboom.

@galileo_rs 4 ай бұрын

Attach a silicone tube to the tip of the solder sucker, works much better.

@originalmianos 4 ай бұрын

I still can't understand why they can't just use a normal two phase encoder. Maybe the design was pre software? Maybe that one was just copied from the valve design.

@wdavem 4 ай бұрын

I hate fixing weird rotary encoders when they use complicated controller based logic. Last one I did had a whole z80 in between the custom 'magnetic tape' type detector and some kind of rs232. I tested everything but the clock crystal and the output just kept doing weirder and weirder random things. Turns out the clock crystal was completely hoopajooped and had become vibration sensitive. Caused the processor to make weird and beautiful garbage and jump into modes I'd never seen before it went completely dead. Heating the crystal finally made the problem obvious right before it locked up or whatever they do.

@paulcohen1555 4 ай бұрын

Is your "classic solder sucker" original Edsyn Soldapullt DS-017 or the chinese counterfeit one?

@rahulkushwaha9500 4 ай бұрын

DO IT.

@SeanBZA 4 ай бұрын

Time to send it to Joe Smith, he can definitely use it to torture multimeters properly. That board looks suspiciously like a printer board, from one of the dumpster printers, or out of an old display.

@Alpine_flo92002 2 ай бұрын

recently had a lot of stuff from germany getting "Lost" in the post

@bigjoeangel 4 ай бұрын

"Zero insertion force". That's what she said.

@Dianalewis-lm3bqgay 4 ай бұрын

It's the same transformer of the desfibrillador or it's different?

@zaprodk 4 ай бұрын

Different of course

@Dianalewis-lm3bqgay 4 ай бұрын

@@zaprodk how could be different, what kind of transformer uses the defib?

@wdavem 4 ай бұрын

Wow at 1.2KG you won't need steady shot with that thing!

@todayonthebench 4 ай бұрын

Sorry, but you aren't selling me no reverse side cutters for that maneuver at 13:40 Regular ones would have worked just as well. But yes, this indeed seems to be one of the absolutely god awful assemblies the world has seen. However, I do suspect that they soldered those lugs to the case after assembling the board stack up. But even then it wouldn't help them the slightest with alignment for the user interface... I can't wrap my head around why they did it like this.

@danosdotnl 4 ай бұрын

Was it Haefely used?

@TheAefril 4 ай бұрын

Dave, Will I see you at the Homebush 'Everything Electric Show'? Did you put in a request some months ago if you could speak, on a favourite subject of your's? Arty,.,,,,,,,,,,,,,,,,,,,,,,,,,

@EEVblog 4 ай бұрын

I put in for a media pass. No talk.

@mcconkeyb 4 ай бұрын

I've only seen assembly this hard on 1 product that started off with proper design and was then re-designed numerous times by the accounting department, trying to reduce cost by removing all of the connectors! 🤣🙃🤪🤑😖

@SixTough 4 ай бұрын

Australian Brandon Herrera

@fedeyoutub 4 ай бұрын

hi dave, have you see the new chinese nuclear battery ? if you want to make a video about this, i think is realy interessing., bey, ❤

@SlyerFox666 4 ай бұрын

If you think the capacitors sing well try it on the kids 😂

@no_more_free_nicks 4 ай бұрын

I don't know what a compliant bench is.

@EEVblog 4 ай бұрын

A really expensive bench.

@user-sd3ik9rt6d 4 ай бұрын

Zapidy dodah

@no_more_free_nicks 4 ай бұрын

Who "designed" this crap?

@discoordination 4 ай бұрын

That what is she said

@abdolahamer6000 4 ай бұрын

Finally I was waiting for this and jaycar videos too Love the videos keep it up Dave Free Palestine 🇵🇸🇵🇸✌️🕊️

@jaakkolehto1487 4 ай бұрын

Why do israel and palestine have to fight?

@frankholvick5865 4 ай бұрын

Time to call the wah-bulance lol

@ippegasus 4 ай бұрын

Эти все детали от стиральных машин!!!! Или из холодильников!!! Или из микроволновки!!! Или.... Но, в любом случае, все эти чипы и машины окажутся в ракетах... Смирись! ))))))))))