A fun day of board repair at Rossmann Group

Youtube link https://www.youtube.com/watch?v=eli61mQk2GI

all right so we're going to work on this MacBook Air motherboard that seems to not be turning on and let me show you how we're gonna fix this board today so that we get fan spin alright so today we're gonna get started on an 8 - 0 - 0 0 165 board this board goes into the MacBook Air from 2015 to 2018 and let's try and figure out what's wrong with this MacBook right so let's plug in our power adapter and see if we get so when I plug in this power adapter they get a green light on the charger which means that our pp 3 V 4 2 must be present because PP 3 V 4 to powers this chip which is called the system management controller which is going to communicate with my charger and say what next what we're gonna do is we're gonna measure the other power rail because you can see unlike this fan which is spinning this fan is not so I'm gonna open up a schematic for an 8 - 0 - 0 0 1 6 5 and let's go through our power routes so first thing we have to do is see if we're all aboard our pp bus because the first power rail on this that we're gonna have to check since we already have pp 3 before 2 is our pp bus this can be seen over here on the power rails page first rail up here pp bus and it needs to be in G 3 hot which is eight point six volts we can find people bus g3 hot right over here on the PV bus g3 hot fuse F 7140 let's check what we voltage we get on the PP bus views they're gonna turn on Paul Daniels is execrable multimeter software get it to show up on the screen you're gonna get to show up on the screen we're gonna get it to put our black probe on ground get a red probe right over here on the fuse and we get eight volts wait no we don't we get 0 volts we get zero point zeros and on the other side of the fuse we get eight point six volts my god an Apple machine with a blown fuse though what Camille that's why you didn't see that's why you didn't get this one you measured peepee bus g3 hot on the fuse but you didn't check that it was there on the other side of the fuse because you assumes that it's a Macbook in fuses don't blow on MacBooks all a fuse blew on a Macbook yeah a fuse blew on a Macbook yeah it's the only fuse that actually blows okay well imagine that yeah so this is the fuse between the circuit that creates our pp bus g3 huh and the system that's gonna be powered off of pipi bus g3 hot typically a fuse is going to blow because of a short-circuit so let's see if we got a short-circuit either side that's not getting any voltage February 15th 136 p.m. 2009 a fuse in an Apple product did its job it seems that we have a zero point 4 ohm short to ground on the other side of the fuse now that is going to be a short circuit to ground on our pp bus let's see if we can find out what may be shorting our pp bus typically I would inject voltage into the board to find this short but we may be able to find it just by using our eyes and a really expensive microscope that I affiliate link on store Darusman group.com orange list in the video description down below don't delay buy em scope today and that that are in video showing is done and we are going to look through the board with a microscope and see if the microscope allows me to find out what may be short circuited or if anything looks funny so I'm gonna move along this board and I want you all to tell me when you see something that looks funny if you do because I may miss it we're just all we're seeing here or a couple of pubes nothing under the ordinary on this Apple MacBook hello little jtech hmm here we are what's this what do we see here look at that that's a little solder ball let's see what the schematic says that that is oh look my pp bus is shorter too says Jeff I hope you get that looked at having a short PP bus is gonna get you in trouble this is a buck converter and it's using pp bus s 5 HS computer guy sets so if we follow that back that goes to our 5450 and our 5450 is a current sensing resistor where a PP bus g3 hot is going to become PP bus has 5 a high side computing license so that is technically PP bunch g3 hot this is a cap along PP bus g3 hot over here and it has this little solder ball by it high-powered microscope that you can check out at the affiliate link below don't delay buy today and that little solder ball could have come from anything in this area see that I'm gonna try our moving this camp and see if that fixes my problem that would be really cool if just removing the capacitor fixes my problem [Applause]" let's see if our short circuit is still there that wasn't that was not the short perhaps it was one of the kapap considers next to it that was the short absolutely should have just found the Fennell camera after all okay I was close so it wasn't the cap I thought it was it was either the cap to the left of it or the right of it since the solder ball was sitting over here there was an equal chance that it could be this one or this one so was this one so we're gonna have to replace those caps and after we replace those caps we're also going to have to replace a fuse solder balls don't mean anything they're a byproduct of the solder paste man.you reflow manufacturing process many times you find solder balls next to perfectly fine components as tubes and stuff says the person that just watched me find a short circuit in less than 10 minutes without a thermal cam so my solder ball was over here and my shorted capacitor was over here and now it's not shorted after I removed it at the total coincidence right it's a total coincidence that the only solder ball that you could see on this board is right next to the capacitor that had a short circuit to ground charlie me lucky coincidence that just so happens to happen couple of times a day for the past few years random alright so we're just gonna replace that capacitor that just so happened to coincidentally be right next to the solder ball that totally had nothing to do with the fact that it was shorted to ground because sure two components never shoot out solder balls you know it is not true pancakes are using hot tweezers to remove ridiculously large capacitors is not something I'd I think is efficient maybe it's efficient to remove like a zero to zero one but it's not efficient on this I'm just gonna wick the pads Jesse Jones are you watching you watching me wick you're watching that yeah look at that wick look at that good wick and wick those pads wick those pads Paul do you with your pets what about when you're working on an iPhone iPhone audio I see iPhone p.m. I see because Paul likes be balling Mans and CPUs all day well sure everybody your shirt to everybody the shirt that you're brave enough to walk around with in New York City in 2019 climate you realize that if you were to do customer service in this shirt you would get me pitchforks right without the lab coat if you go up to the help of customer you will get pitch for it just saying and I'm proud to not have an angry mob outside of my store which is not going to happen now okay you can wear your NRA shirt in exchange how about this let's make a deal you can do customer service in your NRA sure you are replacing this now I think this is a fair [ __ ] deal you want there to be a picket line in front of the store you want you want this place to become a Twitter hashtag for hate speech then you're gonna replace cpu's no no what are you stop that what are you a [ __ ] camel why are you eating the cpu stop that it is lead-free continue I think Paul is passive aggressively protesting his cue and the randomness of it by trying to get me pro picket line I do a video on a bunch of random board repairs that you don't believe a random even though they were the next day you show up with a shirt that is going to get me you want me to get hit in the back ahead with a bike lock don't check you might have a gun I don't all I have is a buffet thoughts on Allstate entering the iPhone repair business they did it by buying I cracked I think that's kind of lame I never really liked I cracked I cracked seemed like one of those it's it was one of those companies where you know that let's just keep getting investment rather than making profits I remember there was this one time they were bragging I Tex made this much money this year and they were talking about how great it is to become an eye tech if you work for I crack this is a great idea so what I did is I decided all right how many eye techs are there how much money did you brag about and I have a video on this one a long time ago and the dollar amount came out to $6,000 a year that I Tex made we're not even talking about net profit we're talking like gross so it's something like six thousand dollars a year and they were bragging about their revenue and this is one of the things that drives me nuts with all these startups that get started from venture capital that don't focus on profit that come out with these PRS about all the amazing [ __ ] that they're doing making you know it's saying that the people that work for your company make $6,000 a year does not impress me this doesn't and it says something to me when the head of a company is ok with releasing a press release bragging about the fact that when you divide the amount of people working for the company by the amount that they made that it comes out to $6,000 a year I also hold beef with them because in 2012 for two months I was unable to get screens from Jack Telecom because I cracked places stupidly large order I don't know it just seems like one of those business models where I'm gonna design an app then I'm going to force the vet people to buy parts through me then I'm going to become a multimillionaire off of venture capital investments and then before the business goes bust I'm gonna convince some jackass to buy it for 10 times what it's actually worth I'm just not I'm not impressed by those companies I'm really not well maybe I'm just jealous because the guy who started the company is a multimillionaire whereas I have a cat that can't even clean its own [ __ ] maybe it's this may be said yeah keep in mind maybe I'm just the salty [ __ ] I guess it's maybe I'm just a bitter [ __ ] maybe I'm just being a bitter [ __ ] dissolve I don't know oh well see seven seven seven beautiful the other thing that kills me with the eye cracks is and what drives me nuts with all of these business models in general you're gonna buy your own tools you're doing a lot of your own advertising you know whether or not you get good reviews in your locale is dependent on the you know your work alone so you're doing a lot of the work that you would be doing if you were starting a small business but the problem is that you're not starting a small business you're starting and I cracked so my thing it would be why instead of becoming an I cracked why don't you just become a TC RS circuit or appalled TLD or iPad rehab or a Rossman group why do you want to attach all of your work and your hustle to somebody else's company when you're doing all the all the work of business development of a client act with a lot of the work of client acquisition and all that [ __ ] because I could understand that they said if you work for I cracked you get 30,000 or 60,000 or 90,000 even if it was like [ __ ] $20,000 a year they would be saying you get a minimum of this much money you are an employee and you are working for I cracked building our brand but you're not you are a contractor and you are building somebody else's brand you're getting and here at you're a contractor but you're not getting paid that's stupidly high rate that you would expect to get paid as a contractor with who's building somebody else's business it's like you're getting paid like an employee but you're taking the risks of a business owner it doesn't make sense to me if you're going if you're going to buy your own tools buy your own parts plus you're gonna buy your own tools buy your own parts promote your own business build your own [ __ ] reputation do that as you don't do that to build somebody else's brand again if you're building somebody else's brand but you're being compensated that 40,000 at 50,000 at 60,000 or 70,000 year 80,000 whatever I can understand it but the idea that your salary is going to be entirely dependent for the most part on your hustle and maybe our app will send you a couple of people screw that and what if you have competing I of competing ITEX in one area this is another part if you have multiple ITEX in a certain area then the app maybe your client acquisition process which is the most valuable part of any business which is the part that you're putting in all the work for that app after you'd put four years of working somebody else becomes an AI tech in your area in that app sending them to somebody else like no control your client acquisition process so it just kind of follows this startup meant it seems to follow the startup mentality that I'm not the biggest fan of which is that we it's like with uber we are going to expect what we would get out of an employee but oh yeah you're buying your own car and oh yeah you're not you know you're not getting these types of benefits and oh yeah you're not getting a minimum guaranteed salary but we expect you to be available all the time it's like this end run around being an employer that so many Silicon Valley companies seem to be excited about we don't want the workman's comp and all the other crap that you have to deal with as an employer we don't want to deal with the fact that you're going to want a minimum guaranteed salary regardless of whether we're able to generate enough business for you we don't want to deal with that well one of the benefits of having you as contractor it's like no if yeah I would suggest that anybody who's looking at starting that stuff up cuz that's the thing you're paying you know you you're paying to be a part of let's say the I crack brand you know you have to pay for a start-up kid and all this stuff and if if we're talking about you know if we're talking about a lot of other businesses maybe that makes sense but one of the great parts about this business is that there's a very low cost a barrier to entry and so what you know unless you're being paid a good amount of money and at the end is a minimum guaranteed money and somebody else has already done all the work of client acquisition and building up the reputation for you why not do that work to build your own brand that won't simply go away if another company decides you know they they're out of business so they got bought by somebody or the app is gonna refer people to somebody else that's my thought on it I would like to see and it's not about being against large businesses I have nothing against some multi-billion dollar company entering the fray not that I cracked is a multi-billion dollar company I have I have no problem with them entering the fray if they are hiring people in treating them like hired people but this whole thing where you're kind of a contractor but you're kind of an employee but we're gonna treat you like I don't like that [ __ ] at all I also question the profitability of the model and how sustainable it would be without consistent venture capital because you know in the beginning I would see all this just talk about this company got this much in funding and then they got this much in funding again and then they got this much in funding again then ok cool you know you got but that's not what I care about I want to see these companies talking about net profit not gross revenue not how much money were able to borrow what did you actually create because if you don't have a net profit you didn't actually create anything you took you were a net drain I think if you don't have a net profit you've been a drain and there's a lot of companies nowadays that are following that model of like bragging about the wrong thing it's like we got this much investment or we made this much in gross about that welcome I'm never gonna forget that I'm never gonna forget that we did X in sales and all it took was googling the amount of people who were technicians and then and then dividing the amount of money that the company made in sales by the amount of technicians they had for me to come up with the figure that they were actually bragging that when you average it out 6,000 bucks of you [ __ ] I'd almost rather work at sisa as I see some people have multiple irons not just regular in micro is using two irons good for removing or maybe soldering components any good I have never had more than two irons I'm replacing a fuse diet fused I then hmmm I think so this is a donor board that has led the fuse on it oh thanks for the free education great content and also beginner's guide hope this affords you a fofo what's a foe foe this is a donor board but what do you think the chances are that that feels is good it works it works I [ __ ] blew wait wait wait wait look at the meter wait the screen is not giving me the meter Paul Daniels what [ __ ] is up with your software man let's observe worse look at this so when I measure the few could get this thing in a view I'm gonna expose to the world what Paul Daniels a software is really like look at this it says point three on the meter in open line on the screen Paul Paul would it kill you to make software that works for a change right so all the good money that we pay for this this is on another board show you this so Paul is this a good fuse or a bad fuse look at the board look at it look at it I should put this fuse on there yeah this is this is a Macbook yeah look this is the standard Mac but this is a standard pp bus g3 Hut this is a standard quality Apple fuse right here this is what I come to expect from Apple look at that that beautiful continuity that's a fuse what if my other fuse was good that Paul Daniels has [ __ ] software I said it wasn't because I was looking at the screen instead of the meter and I just replaced it for nothing because I had no I have I've been reading the that I've been reading yeah I've been reading though the readings off of the screen instead of reading them off of the multimeter this whole time because I trusted Paul Daniels what if he's doing this what if he's like sitting at home and manipulating the results of the software Paul I demand the source code to this he could be actually watching the stream of manipulating this [ __ ] to make he look he thinks he's missing p.m. sleep s4l but it's actually pulsing you can totally be doing because to be streaming I have to be online and if I'm online then he can yeah what if it's like some sort of TeamViewer thing into the software don't trust Paul Daniel someone checked Paul Daniels is github and see how much of that crap is actually spyware can you imagine what zxw tool is doing [Applause]" always wary of chips that have green next to them and this wet stuff on the top I'm gonna just replace the clock chip before finishing this board off it's gonna add a little bit of flux over there tiny bit small them out we've got to turn this spyware into a double agent and use it to spy on Paul Daniels get all the his secrets then I get ourselves a new clock shape by the way if you need a new clock ship you can find these in store dot Roscoe group.com that's not saying much it's special so here you know that's adorable that's adorable tricycle she'll be ready for a buffet in no time yeah yeah she's getting the idea she wanted to stab someone and she wanted to peddle herself that's so awesome wow that was the first time yeah yeah how old is she wow she's 2 already dance yeah next year she'll be fixing boards better than Alex definitely rides a bike better than Kevin all right I got myself a clock chip do you repair Mad Catz controllers for the Sega 32x absolutely send it to 186 First Avenue Rossmann repair Group attention Paul New York New York one zero zero zero nine Paul s is it will happily fix your bad cat's Sega controller look he has a remote right in his hand right now and the only reason that that remote works is because it was fixed by Paul s I can tell them apart because they clearly look different they have a different facial structure BlackBerry's eyes always look like she's a little high and what if you say her name it's like she always has those eyes that kind of make her look like she's a little and they have different faces mr. Clinton typically as his fangs out whereas blackberry keeps them in blackberry wraps her tail around her paws mr. Clinton dozen because BlackBerry's a lady and mr. Clinton not mr. Clinton is 24 pounds in Blackberry is 9 pounds listen so that there is a difference there they're totally different cats they look entirely different there's no resemblance between blackberry and Clinton yes oh but definitely send us the Mad Catz controller for the Sega 32x hi I already put the address in the in the chat we're gonna send it to oh that has a baby can we meet the baby sometimes yes she does she has an adorable kid her name is Sophia Oh be the best she's the one that I trust to reassemble everything she'll figure out if I screwed something up she does an excellent job of testing everything she cleans the machines but before giving it back to the customer if a machine smells funny she'll clean it and get rid of the smell it's like I don't and the beautiful thing about although I don't ask her to do any of this I never asked her she just started doing it automatically because she figured that she'd do it because that would be a good job cuz that would been doing a good job I'm a lucky dude I got top-tier quality people working for me whether it's Olga for the machinery assembly or it's Paul for the Sega Mad Catz 32x remote control repair we got the best all right so we're gonna see if this MacBook works and turns on again as you can see we have fan spin and fan spin means that we are done that is a perfectly working MacBook and if you want to learn more if you check us out all the other videos we have them categorized and classified on boards Darusman group comics boards dr.osman group comm where you can find every single one of our videos classified by both problem type and board model number you can see them in higher quality because Vimeo has higher bit rates and above all it's a website that will be available even if YouTube decides to do something stupid and randomly remove my channel thanks for watching and as always I hope you learned something awesome figure my gonna help you yeah I wanted to call let you know that I am incredibly independently aggravated that I just got my computer back with a label on it that was near impossible to remove so I'm not sure how that became a practice there because I've sent my computer to you numerous times before and it's never come back with a sticker on it that it took me 25 minutes and goog on to remove but I wanted to let you know that's a disgusting practice that's completely disrespect for your customers thank you so much have a great day sure okay if you want to talk about it I can talk [Music]" }