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They gave up on the scope and sent it to you to see if you had any ideas on how to make it work.

What a pile of c**p! Normally I'd ask you to send it to me, but I think you can keep this one. Do a reverse 'dumpster dive' on it.

You almost get the feeling they sent it to Dave to get a better idea about how much their scope stinks

the best youtube channel about electronic i have ever seen.

Is this a pre-production prototype? everything suggests it has been a test-bed for the final model.

I used to work at a factory where sometimes trimcap wasn't enough and so some capacitors were placed manually, the quality was much much better and the product was only like $100. Here you have $1000 and looks like a playground for 10yo kids that learn to solder at school.

Check out the solder ball between the resistors @9:00 !

I’m a Marine in America (Avionics Marine of the Year) 2019. I fucking love you Dave. You have been a pivotal evolution in my career sense 2015. Semper Fi from the USA.

I have always dreamed of owning a oscilloscope. I am saving up for one and waiting for the right one. So a low budget compare would be great. Thank you for your videos! I feel smarter because of you.

We all knew it was going to be bad, but it's good to know how bad. Thanks for the teardown.

Thanks for your video, I can see how workmanship inside the scope. Very amazing hand soldering work, 2 components in series and stacked up, burnt solder flux, manual soldering touch up. This is the state of art. I wonder why Uni-T sent this item to you. They should know you would open it and show on RU-vid. If I were Uni-T, I would send a super perfect scope to you for review. Uni-T should fire the guy who sent this junk to you.

Dave opens front-end cans: Uni-T in all its glory. Its so uni-t -ish.

Im looking for a scope and would love a comparison of all the lower level scopes.

For a sub-thousand dollar scope I bought the Siglent SDS1204X-E and it's really good, 200mhz 4 channels. The hardware of the Uni-T seems fine, only the software seems really buggy. A lot of companies underestimate the complexity of software, for all types of products not only scopes

Why oh why would they send reviewers a buggy & bodgy rev. 1

You need to attach a drill to get 300 BPS. Seriously, the more i see Uni-T products, the more i stay away and don't recommend.

It makes more sense if this was sent to you by Rigol or Siglant, than for UniT to sent out that buggy awful crap

Those are not bugs. They are Easter eggs meant for your fun.

Two of the channels have different chips than the other 2. Top right region at 9:48 And watch crystal right next to an inductor, eeewww 10:00

Thanks Dave, keeping my hard earned money and my old Siglent scope. Don't think I have seen one as buggy as this before.

UNI-T living up to their usual reputation, I see.

osciloscope pricing is getting ridiculous, everything with "passable" specs is close to 1K or more and they have all the useful features DRM-locked behind stupid options. They need to start doing GOOD ones for 500 and less(something with 250Mhz, digital phospor, good size screen, at least 2gsps per channel and 2 channels with all unlocks enabled, specially serial decoding!). ¿and more than 300 bucks for uni-t?, hell no

Very good description 👍🏻

watching scope teardowns is my ASMR

Seems like a test device. Not sure why they would send you an incomplete product though...

Nice item

LOL. “So ya know... that’s tight as a nun’s nasty.”

rather buy an old oscilloscope from Lecroy or Rohde & Schwarz ... as such a uni-t. By the way, you always make very nice electronics videos! i can not speak english but i try my language.

That rework looks like it was done by a 3 year old and the boards haven't been washed ... I would be firing someone if they shipped a unit for review to Dave in that state! Especially knowing that they'll be opened and scrutinised by the electronics world.

Now that i see this i know I made a good choice buying a ds1054z

I’m surprised that you didn’t have to get the lab fumigated because of all the bugs in that scope!

Regarding the bad font rendering: To me this looks like they're using TI's embedded font library (which you automatically get a license for when using a TI embedded processor). Anyway, this library renders bitmap fonts. These fonts however are created from TTF using a custom tool, that ships with the library. And (unfortunately) the rendering quality heavily depends on the original font you're ingesting. I've spent an awful lot time of testing out various fonts and once I finally found font set that looked decent I even manually adjusted/fixed those few glyphs that didn't come out right.

I take pride in my bodging and that is just embarrassing. Well done for taking it apart... I vow now to never ever ever consider buying a Uni-T scope! At the start of the video I thought I might beg for it as I would like a 4CH scope but by 9 mins in... it's not worth the shipping!

@7:38 looks like the bottom right pin of U2 isn't even soldered (frontend for channel 3)

Dave, maybe this fancy springy big ass wheel has velocity control? I ask because I don't think you ever used it.

Dave's mom must receive some pretty strange letters from her son.

When adjusting bandwidth of rf amplifiers, we use a selection of caps to get better low and high end rolloff. That's called select on test

Hehe, I think Dave just gave Uni-T some free RnD. Seems like a late stage prototype. Made for bug testing and all that. Sending it to Dave now, gives them a little time to fix things before they push it to the greater markets.. Well.. That would make sense at least.. But it is Uni-T, so this might be the actual release version, an if that, good God that is terrible Muriel.

It's a beaglebone chipset.

Good heavens. What a bodge job.

An HDMI driver can be more expensive than the DAC for VGA, but worse than that they may need to pay royalties and certification for HDMI.

What a buggy piece of crap. The UI is horrible and those bodges are disgusting with far too much solder. For 1000+ id want something A LOT better. The USB doesn't even work.

thumbs up for comparison

Dave thanks for starting the video with the price tag. It saved me 30 minutes of yt video watching :)

Nice solder short on 7C57, near the bottom of the screen, @13:34

woaw look at the solder joints on those 8512a at 8:17 and at 8:49 on pin 4 . Is there a QC over there. edit :correct timestamp

22:11 If you glue a Phillips screw head onto that "Multipurpose" dial, then you could change the value much faster by using a power screw driver. :)

if you are going to compare scopes maybe throw in some old scopes to compare buying a new one vs an older dso or even analog storrage osciloscope

21:20: I am not sure, but it seems like the Sigilent hat its trigger at 6.2mV and the UniT at only 2mV for the piezo test

tight as a nuns nasty lol love your shows. best show for this kind of stuff. keep up the great work!!!!

Would like to see a shoot out of the entry level scopes out now.

@12:30 you said the chip may be the boot flash. I would concur. The other thing to note is that there is a 6 pin header near by which is probably the JTAG programming header.

Nice review, nasty scope. The build quality !

Warning! : EEVblog is Australian,, he may not show much subtlety and will show excessive honesty when reviewing your new scope.

That was a fair and honest review, thanks Dave. Maplin used to stock Uni-T stuff but they are no longer trading. Ohhh dear, that has got real issues, pretty much in every area. If they want to muscle into the scope market and play with the big boy specs, they are going to have to get their act together. Uni-T are not known for their quality Build or Spec but looking at this tear down, I won't be buying any time soon. I have 2 Scopes... a Siglent 1102 CML and a Siglent 1104 X-E More than happy with them. The 1104 comes with Serial Decode too..... what a rippa! Winner, Winner Chicken dinner.

Looks nice... I enjoy your stuff that you review. Great stuff, keep that up!!

Would it be a good deal if they cut the price in half? Hard to pay over a grand for anything UniT makes, IMO.

So, what is the keypad for? Is it for the "Phantom Russian Signal Generator" ?

What's the big knob at the top even do? I don't think I saw you use it. Does this thing have segmented memory?

Rigol needs to get on the ball and send you a 4000. Better yet, they should just send you one of everything.

Nasty hand (rework) job? And she's a unclean dirty-leg to boot? NO THANK YOU. Even if this was priced the same as the 1054Z. Which I'm starting to have a new appreciation for. That amount of money AND I have to fabricate a disguise name badge to keep my buddies from finding out? Not happening. Thanks Dave, you are the 50 ohm Terminator for truth and justice.

Well damn, now I have to give my scope a few good smacks to see what happens. Edit: found the details in EEVblog #983 in case anyone else is curious.

In between channel 4's double stack R and single R, looks like maybe a solder ball too.

I have never seen dave being so positive about the "Chong" capacitor before!

13:38 is that 7C57 cap is shorted with solder?

I doubt this scope was send by units competitors. I come from China. Unit compete hard with rigol siglent.

im currently 15 seconds in and the skewed text on the right is driving me NUTS

i suspect the components used in the cans weren't passing QA tests so they got replaced.

how to beta test your hardware for small money? send it to dave. ))

Did the guys at Uni-T mistake your address for the garbage disposal? That scope is a steaming pile :D

Nooooo... the MXT2004 IC is not a custom silkscreen but a Chinese brand high-speed ADC made by www.mxtronics.com/ .Datasheet for MXT2001: www.mxtronics.com/n107/n123/c883/attr/2752.pdf.

18:17 wasn't it right next to where you said there was an unpopulated one?

hmmm is cap 7C57 @ 13:30 shorted with a solder dag? - i wonder if it killed the USB clock ?

I would have thought that it woud have been much more economical to just use the same board for each of the input channels. see 6:44 component designations like 4R3, 3R3, 2R3, 1R3 ETC Why two different board designs. Channel 2 and 4 have a small 16 pin chip near the top with a 5 pin chip nearby while Channel 1 and 3 have a large 16pin chip and no 5 pin chip nearby that I can see. I noticed that the earlier scope Dave showed parts of had the same arrangement ie. large chip and small chip and different component designations..See 6:32. I think there is also a bodge just below the same chip position on the earlier board just a lot neater done as not to draw attention to it. See channel 3.

9:30 look at the mess around the lower end of the PCBs where it looks like a power device is soldered. You definitely have a PRE PRE PRE production model Dave...😮😮

If you are still looking for the U.Fl coax connector (proper connector name) on the main board, I think it can be seen at 18:07. There is a relay above and to the left of the main heatsink, and what looks like the connector is at the 10'oclock position about an inch away.

hdmi licencing can be quite expensive for 'small run' devices

13:28 Capacitor 7C57 is short by welding-tin

Great video. Love the scope teardowns. Just way too many problems with this one. Since I bought a keysight scope, I'll probably never look back. Wouldn't mind trying another mainline brand like tek or lecroy or R&S. Just to see how they differ

Uses the same processor as the SBC beaglebone which has an RGB LCD to HDMI converter. They should have got a very good deal on the VGA IC converter.

I get the feeling that sigilent or someone else sent it to be trashed. not Uni-T themselve ;-)

Sloppy engineering with the logic analyzer plug and printing. You can’t even upgrade it so you will forever be reminded that you are cheap and not just because you bought a chinese scope.

HDMI costs money. I've heard from some people it is in tens of thousands euros per year. Just for license in HDMI consortium. That could be one of the reasons why some don't have it.

@11:56 It's really a surprise to see these really low-quality Sacon FZ electrolytics in a such expensive piece of gear. Also, why is that SanDisk flash chip on it's own PCB ? I guess they probably had a microSD slot in there for firmware debugging (eMMC and SD are electrically compatible). Also, what's the deal with those frontends ? Is this a prototype unit ?

@EEVBlog HDMI also has licensing costs involved in using it.

Looks at my old 100mhz HP Megazoom, cost me $80, ya I'll stick with this... Being only a home gamer, I don't need anything in this price range so I cannot really comment to much more (what the hell do I know after all?)

they use vga because using a d sub is cheaper as you dont have to pay royaltys as you have to with hdmi

jesus....soldering like that should never leave the testing lab. even if it is some kind of demo unit. keep that kinda stuff "internal use only". not even caring about the mods themselves, but how they've been applied. hope this was sent by mistake.

lol - Shenzhen Marketplace ran out of the proper resistors and condensors, so they had to stack some of them on this Scope! ;-)

26:40 Memento Hori

TimesBase? Surely that should be TimeBase

Didn't think anyone could do worse firmware than Yo-low Siglent - Good grief! Uni-T wins at the art of bad.

Great video I'm off to watch pugwall now.

Great video I'm off to watch pugwall now.

"that's a bit how ya' doin" I need a scope as well, but that is a market sector too explore.

And how about review of (low cost) handheld/portable scopes?

So costly, yet so much stuff disabled! Doesn't seem very bang for buck to me... Gotta be 'tight as a nun's nasty'! 😂

When we are paid to criticise we really find something to talk about....but it is clear that was paid to do that

Confidence is NOT high ... I repeat, confidence is NOT high ! War Games reference ftw !

Oh man, I bet they sent you a prototype... Not much makes sense otherwise, especially the keypad.