Learn how to test ceramic capacitors with a multimeter, smd capacitor test

hi everyone so welcome to another video where I'm going to teach you how to test camic capacitors using the multimeter but before diving into the details make sure you subscribe and click the notification Bell to stay updated for future videos like this one and please for anyone who want to join me in my patreon page you are very welcome I can be your mentor okay and I can help you fix your computers motherboards laptop any electronic device you want okay so let's get started so basically we're going to see how to test camic capacitors in the laptop motherboard using the multimeter and also in the tablet motherboard so basically to test the capacitors we going to select as you can see here the continuity option okay so I want to add here that you will find ceramic capacitors around every integrated circuit as you can see do you see the cic capacitors that's why the cic capacitors are very important okay do you see here we have IC here we have ceramic capacitors now I have a question before testing the camic capacitors I have a question what is exactly the purpose of this ceramic capacitor so please do answer in comment below so do you say here for example we have the S iio the super iio we have ceramic capacitors okay we have this I ceramic capacitors so for the chipsets so in the back of every chipset as you can see here we have ceramic capacitors so the same as you can see for the tablet motherboard also the same for tablet powerboard okay we have over here we have ceramic capacitors you can see and for every IC we have this IC for example we have ceramic capacitors as you can see over here so let's now test the C capacitors using the multimeter so as you can see here for example this is many camic capacitors around this IC this is a control IC so basically a failed capacitor is the capacitors that is shorted in both sides okay so if we check the capacitor and you get in the multimeter like this means the capacitor is shorted okay so let's take this one for example here we get a r so this capacitor is good let's check this one here this one also is good here you see this one also is good so this capacitors are good so let's check this two for example to over here this is a good capacitor this is another good capacitor okay so just using the continuity you can check whether the capacitor is good or not so sometimes you can find for example a shter capacitor over here and even if the capacitor is shorted the problem is into I near to it not to capacitor okay when because when the IC is shorted the capacitors around it also will be shorted why because these capacitors are connected to the IC okay I will draw the schematic for you but please here I have a note sometimes you can find other component like this one for example do you see this component this component is like a capacitor as you can see here we have here L but this is not a capacitor this is inductor or coil okay the reference here for inductor is L but for capacitor the reference is C okay so if I check this inductor I will get a continuity in the multimeter so let's check as you can see so please pay attention this is not a capacitor this is inductor always the color for inductor is black and the capacitor is brown so I hope so that we find a shorter capacitor here a shorter capacitor in the motherboard in order to understand clearly here for example we have two capacitors this is B capacitors let's check it this one is good the second one is good the second one also is good so here I have a question for example if you find this capacitor is shorted we don't have here the value of capacitor like the the electroic capacitors so how can you change it so to replace the capacitor for example here this is a camic capacitor and this one here also is a camic capacitor but in terms of size these two capacitors are not the same so for example if you have a failed capacitor like this one you have to replace it with another capacitor with the same color and same size regardless of the value okay because cic capacitors in the motherboards you are you cannot find the value over the cic capacitors in the motherboard okay but for this one for example you cannot CH replace this one with this one for example ex or this one no you should replace this one with another one with another one with the same size same color okay so regardless of the terminals so this one is not polarized capacitors like the tum capacitor and electroic capacitor as you can see here for example for the electroic capacitor as you can see over here okay here for example this is electroic capacitor we have here plus and here we have minus this color means minus okay so plus minus but for S capacitors it's not polarized capacitors also for 10 TM capacitor as you can see here we have over here 10 TM capacitor this is basically 10 TM capacitor this one here we have plus and over here we have minus positive terminal and the negative terminal so let's see this motherboard for example as you can see here we have 10 term capacitors over here so this two capacitors as you can see this capacitors we have the positive terminal here and we have the negative terminal over here okay so let's see this motherboard also we have here some capacitors C capacitors as you can see do reference we have C so let's check this is a good one this one also is good this one also is good capacitor okay and here and I will add here a tip that all C capacitors are connected to the ground in one side so let's check this one for example as you can see it is connected to the ground in this side and this side is connected to the mosfit this one also connected to the ground in this side this side no this one also connected to the ground in this side okay okay so here as you can see we have the trace this part as you can see is connected to the ground here I made a video about how to track signals into motherboard always try to use this part in the motherboard okay so now let's check some camic capacitors into tablet motherboard as you can see over here here basically we have some ceramic capacitors as you can see so we can test it using the same working Principle as you can see here let's take this one you see no short this one also is not shorted this one also is not shorted means this camic capacitors are good so remember to test the C capacitor you can just use as you can see here the continuity option here the continuity option in the multimeter so basically here so so this is the symbol for the ceramic capacitor as you can see and for polarized capacitor we have this symbol with plus here or this symbol this symbol also is for electrolytic capacitor this symbol here means minus so as I told you before in around every I see in the mother as you can see here this is basically IC so around every IC you will find some ceramic capacitors as you can see always the C capacitors is connected to the ground in one side and connected to the IC in the other side as you can see we have here another as you can see so basically here for example we have C1 C2 okay okay so when you find for example this capacitor is shorted in both sides means automatically the IC is shorted to the ground because as you can see here the IC also has many pins that are connected to the ground so when you find a shter capacitor it could not be the capacitor that is short no the I okay and of course to check the I to check whether the IC is 100% the failed component or not you can just use three methods okay you can use three methods okay so the first the second and we have here the third so the first method is by checking the head okay the he of the I for example let's assume that we have this I for example do you see here this I for example if we check this C capacitor and we find short shorted capacitors we can just Che the heat of the the IC using my finger like this if the heat of the IC so is not normal if the heat is not normal is very increased mean means automatically failed ice okay so the second method is by checking as I told you before do ceramic capacitors okay or PF we call it also PF capacitors or P capacitors if you find any shorted capacitors in both sides mean the I means the IC is bad so the third method is by checking the inputs and outputs for example here we have this IC over here so here we have VCC okay and here we have enable signal these two are inputs and basically this I will generate an output let's see for example 3.3 Vol so if you don't find 3.3 volt in the output you should go back and check these inputs so to check the inputs basically we need the schematic okay the schematic or the data sheet of the I so thank you very much guys this is all for this video so don't forget to like the video if you enjoy it subscribe and share the video with other people like you and of course for anyone who want to join me in my pass page you are very welcome as I told you before I can be your Mentor if you subscribe to mentorship experience I can be your mentor and assist you repairing your computers thank you very much and see you in the next video

Channel: Electronics Repair Basics_ERB

Views: 18,276

Keywords: Laptop Motherboard Repair, Laptop Motherboard Schematics, Electronics Repair Basics_ERB, computer repair, how to test smd capacitor with multimeter, how to check smd capacitor with digital multimeter, how to test capacitor with multimeter, ceramic capacitor, smd capacitor test, smd capacitor, capacitor symbol, smd capacitor value identification, electrolytic capacitor, capacitor smd, electronic components, electronics repair, all electronic components names and pictures

Id: f_D1t02xCiQ

Length: 13min 21sec (801 seconds)

Published: Thu Mar 28 2024