How to test Ceramic Capacitors with a multimeter, SMD ceramic capacitor testing
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- เผยแพร่เมื่อ 25 เม.ย. 2022
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I always refer to your vids when I want to verify testing components. Like the tip in this video covering SMD caps associated with chips. TY for the vids!
How do you determine the capacitance of a tiny but very tine micro-capacitor that you accidently knocked off that needs rewelding?
Good
Phew. That saves me removing all of the caps around the chip just to put them all back again.
How can we determine what capacitor we need? I have a motherbpard with 2 missjng capacitors. Most likely a class 2 ceramic capacitor, but how do i determine the right value?
I realized that the only methods that work is either look for the specified motherboard schematics (if they exist), buying a new motherboard; measure values [of the capacitor desoldered off of the pcb board] in relation with purchasing a SMD/SMT kit to replace missing or broken capacitors and/or resistors only after measuring from a working motherboard [these kits give you a lot of chances as important as a working motherboard] or buying a donor motherboard for parts.
Note: You can only measure the capacitance of the capacitors only when they are by themselves, desoldered or away from the pcb board. You MUST use an SMD Tester instrument tool that is used to make measuring the SMD components a lot easier than using your conventional multimeter, and please make sure to measure them in a place appropriate for this action. *Don't put too much grip on the capacitor, otherwise it will fling away. *Measure them in an appropriate area where the SMD capacitors are not prone to come off the table and fall onto the floor (especially if the floor is carpet) which would be lost, so you need to shield your borders of the table. Moreover, you may need to close openings anywhere (from the closet doors or curtains).
yes this is a real head scratcher. Recently had a laptop motherboard where one of these blow up literally melted. So i had to test the ones around it to see what the resistance is. If they are all the same size and in the same area all I can assume is that they would be a similar reading fingers crossed ey?
@@ghostplayswow i had found a electrical schematic for my motherboard, replaced the part and works fine now. Maybe try searching for yours?
@@yahyaalkasem3664 I have been looking but no look yet. Hp omen. Not sure if they like to share the schematics 😅
@@ghostplayswow can you give me the full model number?
Super bro
Thanks and welcome
You can check the voltage, if this one is not stable i think capacitor error.
How do you find out the capacitance of the capacitor if you need to replace it.
I've got an issue with the board in my stock head unit in my car. Everything works but the speaker outputs. I get power, satellite radio,am and fm, usb and inputs all seem to function I just get no sound from them. I do have sound when the car alerts me to whatever (seat belt, emergency braking system etc). Schematic sheet is only available to the car service industry of course. I've done trial and error for all the speakers and have decided it's definitely something on the board. I even plugged a headunit from a different car same make, different model and year in and I had sound working fine. I'm assuming it's one of the ceramic capacitors for the speaker outputs but I'm unsure what if anything else to test before I go replacing things and possibly screw up my headunit even more. I've been trying to find some useful information for weeks and yours is the closest thing I've found yet, so thank you! Could you help me? I'm not very knowledgeable so I apologize but I'm always open to learning. I can provide pictures of the board that doesn't have an issue if that will help. I can remove the one that isn't working just take a little time.
Did you ever get a chance to test this ?
Good video had a question not equipped with a good magnifying set up hard to see what kind of ceramic capacitors are being used. I’m trying to fix my audio control module and no idea how to decide what part number on capacitor to use. Any info would be helpful . Not hard to remove and replace just don’t know where to get and what part to order
Apparently they are color coded, they don’t include any numbers. The best way to know the uf is to find a schematic on the item you are working on.
use size and colour, try to find same size on a donor board. If you have the correct capacitor tester you could test a good one in the bad circuit and order same value. Otherwise try to match same size etc.
@@izzzzzz6 thanks
Why smd creamic capacitor beeping on continuty mode ?
Is power ON I’m When checking? Im a noob. 🙂
Afraid to short something out.
power isnt on
hi slm how to test the microfarad on a small smd cap
☺
Already detailed Bro in many videos
Iff ihave figital tester iwil be shot elvo 1 time im test that capasitot😢😢😢. Save
What if the capacitor closed to processor or graphics card is reading 0.00 resistance
If It reading 0.00 in both sides means 100% you have a short circuit in that circuit.
@@electronicsrepairbasics_erb but it reads 0.0 in the video you made and you said it’s Norma
@@hammedinhobuhari3523 checking ceramic capacitors on PCB using continuity(buszzer) mode is confusing . sometime you get continuity on a capacitor even when you reverse the probes , but that capacitor is good . I read that capacitors that aren't grounded give continuity , so people will think they are bad
@@hammedinhobuhari3523 i was pretty sure the lowest he got in diode mode was 0.23 or something. not 0
there's similar to 0.0, the first 3 caps he checked, the lower left one has no reading,
i been resding comment to. see if someone also noticed,
the channel said its ok but then he also. said if the cap gaves very low resding its bad but then got a rrading for 2 caps with very low resistamce but then he said they're ok,
what the heck,
so everything is ok no matter what??
its all contradicting
Bro try to explain without whistling. Difficult to hear
Sorry for that
@@electronicsrepairbasics_erbI understood you just fine, man. Thank you!
I don't know what kinda personal struggle your going thru right now, but you shouldn't take your frustration out on other people.
@@yourtakingmylife3472 I don't know what you're struggling with right now. I gave feedback to improve his video quality so he will get more subscribers. He deserves feedback and I know he will improve. Maybe you need to improve yourself as well. You don't know how to talk to someone on social media.
@@electronicsrepairbasics_erb I just gave you feedback to improve your videos to the next level. I didn't demotivate you. Please 🙏 forgive me if I was wrong.
Can I Pay you too fixe My board
Hi there,
Witch board you have, I can help you without paying me.
Waiting on your reply.
Regards,
Whistle while you work
Whistler
so annoying i can barely understand igor
Good video but your whistling like sound makes it irritating to watch.
Sorry for that!!
good video but terrible voice! makes its even worst with that whistling sound! keep your mic bit further away from your mouth , it sounds like mic is almost inside your mouth!
comments bads
Pls remake d video I'm not unthderstand un wisling sound ung voice so louder wissling voice
I didn't understand just the letter C that comming out of your teeth
had to switch your video because of your whistling hurting my ears😡
Sorry about that, the Microphone is fixed now