🔴 Logitech Z623 2.1 Channel Speaker System Repair - No.1133

I repair a Logitech Z623 2.1 Channel Speaker System.
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UNI-T UTi260B Thermal Imager: defs.link/?u=f... (use discount code: BG45411)
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Quick 861DW: defs.link/?u=1... defs.link/?u=a...
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Uni-T UT210E: defs.link/?u=3... defs.link/?u=e...
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MK-328: defs.link/?u=0... defs.link/?u=7...
MESR-100: defs.link/?u=0... defs.link/?u=0...
ESR Meter: defs.link/?u=0...
HOPI: defs.link/?u=7...
PeakMeter PM6252: defs.link/?u=5...
HS1010: defs.link/?u=1...

[@totermusiker]

Thank you for the video! I had to remove hexagonal washers from the two poti before being able to remove the PCB. I don't think they need to be tightened a lot. Simply opening and moving cables and the connector fixed a noise that came up whenever I changed volume.

[@madeinedmundston]

Bought mine in 2011,only Issue is the cable connector in the back who give a bit of interference/crackling noise if i touch it(black RCA connector),and very small click when i open the volume from zero(the rest of volume and bass are without crackling noise like this one.). Don't understand why people saying this is garbage. This played at 100%(full volume and bass) for hours and never died on me.Maybe new build are cheaper,but 2010/2011 models one is rock solid.

[@reachdpk]

Thank you , you just helped the planet from junking good set of speaker , can you tell me if torn speaker can be fixed

[@thumper300zx]

Thanks for the vid. I even removed the bottom pads to see if there were screws but wasn't paying attention to them pointing forward. Got it taken apart and smoothed out a caved in speaker grille.

[@iLawfGaming]

You're telling me it was as simple as the plug coming out? Man I hope I still have this in my storage closet so I can fix it. The plastic or rubber tube came unglued, which pulled out the cable from the back of the speaker. Had no sound coming from the speaker with the knob. I hope this is the issue and I just have to glue those two things.

[@ray73864]

I had the exact same unit, Logitech has gone downhill with their speakers :( In the case of mine, it wasn't a problem with the volume control, it was the power button, it was very scratchy when you went to turn the unit on or off. In the case of that, the only fix was cleaning it, and for my one, that didn't solve it at all. I even went as far as desoldering, cleaning, resoldering, etc... In the end, I got rid of it during hardwaste collection of 2021 (September I believe). Got myself some Edifier bookshelf speakers instead, loving those.

[@albiero1]

Guys, volume potentiometer needs to be cleaned with a contact cleaner like wd 40 for example. No need to open the speakers and it will also stop the cracking noise when changing volume.

[@TamarVijay]

Vaccum cleaner can be used to suck the dust particles. I have done it muliple time to avoid cracking sound. But, this time after cleaning dust particles volume also feels increased.

[@voltare2amstereo]

I've got these, they're silly loud, and they've got 3 inputs all up. The two on the back and the input on the side of the control speaker

[@davidborg7305]

They are a good system, mine had a dodgy power on switch that was cutting out all the time so I fitted another separate switch I had handy with some jumper wires, still has scratchy volume control, but I just generally just set it then just make any changes from my computer.

[@merlinszinhaz]

Thank you for showing this. I have the same speakers and after 10 years of using them the bass control seems to be not working ... They still look like brand new, even if the design is not something I would call nice. Anyway as a consumer of this product its sad just to buy a new 2.1 system. And you are right, so many different screws to take out and kind of bad cable management. They could have done the construction of it way better. Thank you again, this video is helpful! I have hope! :)

[@sdqsdq6274]

haha , damn design never changed

[@SilentBlast]

Me: watching this on the exact speaker system Also me: *hoping this doesnt happen to mine*

[@Thilotown]

Thank U so much! This was very helpful!!! ツ

[@forgottenleaves]

thank you. had exact same problems.

[@MegaJonny54321]

I love you thanks for this video you saved me the money ❤

[@alexiswilliams1154]

Have the same issue with Z623 speakers. I have toggle the volume control button to get the base coming out from the sub woofer. I will try this and see what happens. Thanks. I could never figure out how to open the control speaker.

[@maciek-fv8wf]

for the likes of money I've spent on this crap, I would buy a decent monitor speakers from a good brand like Yamaha, not some computer peripherals manufacturer like logitech. Mine still work, I just cleaned the power switch with WD contact cleaner (iso-propyl alcohol can be used too, but I recommend something in pressurised container), bass and volume controls too. Pity you did not include that in your video. You also missed to add that there are nuts on these controls and they have to be unscrewed to remove circuit board, otherwise it'll not remove or break. Thankfully I spotted that on time. Good video for starters, missing most of important details though. Big plus for the workaround involving cable ties to secure the main lead.

[@madeinedmundston]

No monitor will give you this kind of heavy bass for sub 200$.

[@VictorFightingSpirit]

Thank You, I will try this:)

[@hallpet45]

My god,we all have own,a set,like that.Scott, could U do a Vid on the-USB:FNB58 and show how,too test,USB,C,ect cables..Load..Cheers.Peter

[@sdqsdq6274]

can anyone confirm the spec is the same as z625 ? other then a optical in .

[@Macmic-k5k]

Sir what is the output voltage for amp z623 bcoz mine is already burnt out primary section so I want ed to fix it by myself with alternative power supply output for the amp z623 but you know I could not find the exact output that's why you knows if u can help me by any chance im so happy Sir ❤ thank you&sorry about my english I hope you can understand it 😅😊

[@TheEmbeddedHobbyist]

You could have found a capacitor to replace as you've got a great stock available now 😂😅

[@TheDefpom]

I nearly did… but they tested fine and this needed to cost keeping down.

[@GurvinderSingh75]

Can you install Bluetooth kit to it?

[@JonnyFix]

The zip tie picking lawyer! I always thought logitech made the better sounding set for their price.

[@1sonyzz]

Logitech makes this exact model for over 10 years now, but quality has gone downhill, my brother bought z623 set in 2013-2014 or so, it had a different box and 200w rating, I bought mine in 2017 or so it had blue box, with rating of 400w on the box and neither volume knob nor bass knob have writtings under them to indicate which is what, also my brother plays his speakers at 70% volume with 50% bass and nothing for past dunno how long years, but when I play mine at same level of volume and bass - you get the distinct smell coming from subwoofer (not yet burning but I hesitate to push it) or last time when I did play it for 30 minutes. So even speakers are the same - my brothers older set has much better quality than mine

[@Johadart]

Hi Scott, just a quick question mate, what did you use to clean the volume potentiometer? Cheers Keep up the great work, and the comedy with the wife, is a crack up. 🤙🏼🇦🇺 Joe from Australia 🤙🏼🇦🇺

[@TheDefpom]

I used Deoxit Fader, which is meant for potentiometers, and thanks for the feedback.

[@aswin9954]

what is the impedance of the subwoofer. I am looking for a replacement.

[@jonathanturner4220]

I just need to add something. This a great video for those who want a project to do but in my opinion no one should ever have to repair a bad unit after a few months or a year. I have had old stereo Sony and Bose speakers that have lasted decades without fail. What's the deal with Logitech and their crappy speaker systems.. Do not patronize this company buy another brand and do your home work..

[@stefm.2674]

Thank You

[@Chriva]

My old mms 5650 is antique compared to that system. Kinda insane to see such a modern set fail in that manner.

[@bk8896]

Did you check the sub woofer? On mine the problem is the sub woofer not working.

[@drewmarshall4422]

I have the same prob with mine, spray some contact cleaner into the 3.5mm socket on the sub, worked for me

[@cyrilgeorge6749]

This Logitech z623 vga connecter male to female froper wire connection bro please 🙏

[@HatuMecks]

I have a Logitech but has no power supply through

[@mohankrishna98]

My dog chewed on right speaker wire and d sub pin which has power and volume button completely.can i still make it work?

[@oenone1974]

do you by any chance know what are the size and specs of the sattelite speaker , i need to replace mine since it has a crackling sound coming out of it , looks like the cone is ripped.

[@kcwprdxnz_mmp2023]

when bass in music isn't coming out,,what is the cause?

[@Jawo30]

I am sharing video for Logitech z623 bass test

[@ffviifakeremake9997]

The PS5 fan has different screw lengths and I really don't understand why they do it. I was thinking of buying the Logitech Z623, now I'm not sure I want to.

[@Joost-Fabian]

I own my second pair of this after one get totally crushed in the truck as i moved to my actual home. Would buy them a 3rd or 4th time. My personal opinion... they perform much better then the price tag let assume. Sorry for the bad English but school is now 20 years ago 😅

[@ffviifakeremake9997]

@@Joost-Fabian After the price went up for the Logitech Z623, I ended up settling on the Panasonic SoundSlayer Soundbar, it pairs well with my TV.

[@luukie0000]

@@Joost-Fabian Bought 1 over 15 years ago. bought a second set about 10 years ago and a 3rd set 4 years ago. The first one of those just died after 15 years of pretty heavy use! I use these all around the house and will probably get a new set now this one died!

[@TheSorichete]

Hi and thank you for read my comment do you have any ideea from where can I buy the satellite speakers I mean just the speaker nothing else. Thank you

[@TheDefpom]

No, sorry

[@RuWs6ix]

You should give ebay a try, I have seen them on there.

[@gabs27]

someone knows if i can do work the control without the subwoofer? i want to conect it to another amp, but i dont know how to make it work. someone has the wire pinout?

[@Extreme-bm3mo]

My z623 speakers print is logi not logitech. Is this is authentic product?

[@TheDefpom]

Yes they changed their branding

[@jingnankc2998]

My sub bass if broken how to repair

[@ffviifakeremake9997]

Just buy a new one 😉

[@madeinedmundston]

likely Cap,could be repairable,but at this point,buy a new one.

[@jonathanturner4220]

Logitech is garbage.. I had 2 speakers systems die within a few months of operation... Will never buy another one of their speakers again.

[@xxabul]

thank you