Taramps Smart3 1 to 2 Ohm V2 Amplifier Gate Drive IC Inspection and Replacement

[@rickdodson5252]

I love the detailed explanations you give. It leaves very little room for questions. GREAT WORK!!!

[@ellensburgamplifier]

Thank you Rick. I love to share tips and tricks to make a job as easy as possible.

[@tyronearendse1722]

Hi Todd thanks for reminding me the importance of using resistance mode to troubleshoot

[@ellensburgamplifier]

I like it as I don't have to memorize all the different forward voltages of junctions. Thank you for watching Tyrone!

[@georgesrisomsak9650]

I may pull mine apart and do a small heatsink on that gate drive. Learn a LOT from these, thanks again for posting sir!

[@ellensburgamplifier]

Thank you! I think a heatsink would benefit these or a change of design.

[@HavingFunRepairs]

Todd, great video and I've been enjoying the documentary aspects of your channel.

[@ellensburgamplifier]

Thank you! I hope that what I show may help people save time and reduce frustration.

[@HavingFunRepairs]

@@ellensburgamplifier that and demonstrate that your the defacto person to come to business wise for these repairs.

[@ellensburgamplifier]

@@HavingFunRepairs Thank you!

[@moxysoft]

Great video, you make it look easy!

[@ellensburgamplifier]

Thank you for watching! It gets easier the more you do.

[@cartycartyamplifiersalesrepair]

Great job Amazing video sir those drive ic is a real problem in alot of the Taramps that I repaired

[@ellensburgamplifier]

Thank you for watching! I will be looking for heatsinks for these IC's.

[@bigstone5124]

Thank you 🥂

[@ellensburgamplifier]

Always happy to help!

[@Tekjive]

Awesome vid Todd, great quick !explanation of a Brazilian power supply, btw can’t even hear that hot air station fan ...man I can’t wait to get mine delivered, seems sooo quick! You ever lay anything down to protect surrounding components when heating parts? Or just play it safe/smart and you usually don’t have to?

[@ellensburgamplifier]

Thank you! I noticed when I was editing that I could not hear it. I love OBS for being able to set the noise threshold. I do not use anything around the component that I am removing. The key is to use a small nozzle and keep the airflow low. I am 380c at 30%. Practice practice!

[@TEHBR0LY]

I recently got a Smart 3 that worked fine did some light mods to it. Tiffany style RCAs and upgraded the fans as it was a used amp and the RCA jacks were finicky, replaced the fans due to blades actually being broken. Bench tested the amp, worked fine played fine, got it hooked up in the car and it immediately fried the subwoofer, audio wasn't even hooked up yet. Checked the output with my meter and was reading 100+ volts DC coming out at all time. I assume something had shorted, but am unsure what a actually failed. Haven't seen an amp actually dump rail voltage into the output like that. I ordered new MOSFETs as I know a few died in the process. What else should I look out for?

[@ellensburgamplifier]

The Smart amplifiers can be a little more involved. Make sure there are no shorted output transistors, zeners, or voltage regulators. When you start it up check for switching from the drive ICs. If outputs failed it usually takes the ICs with them. Thank you for asking!

[@Tekjive]

Do the power supply snd output sections each use the same gate ic drives? My power supply seems to use an 8 pin 27524 and output seems to use an 8 pin lm393

[@ellensburgamplifier]

The LM393 is part of the overcurrent protection. The 27524 is the drive IC for the power supply.

[@julioaguirre6968]

Hello I had the same issue with the chip (27324) .. replaced it but did not clear the protection mode .. (hd 3000)

[@ellensburgamplifier]

Did the amplifier have any shorted outputs?

[@pyrxi4631]

I'm trying to repair my smart 3k but the drive ic is only an 8 pin but the irs20957 is a 16 pin. on my board it is an 27824. is that correct?

[@ellensburgamplifier]

Are you sure it doesn't say 27524? If you send me a picture with the circled component in question to www.ellensburgamplifier.com (email address at bottom of pages) then I can help guide you.

[@basshead100]

Hi Todd,is IC9 in taramps smart 3 can fit other taramps models?

[@ellensburgamplifier]

I am not 100%, what is the part number printed on the top?

[@basshead100]

@@ellensburgamplifier i got on taramps 8k PA4Q, also got smart3 but not sure what p/n on it.worse case scenario to change over as PA4Q is hard to find(

[@ellensburgamplifier]

@@basshead100 The PA4Q is a TPS7A6601 which is used for the beginning of the remote turn-on circuit but I am not sure by memory if the Smart uses that for the remote start-up.

[@LowetheTechGuy]

Is that the Atten ST-862D Hot air station?

[@ellensburgamplifier]

Yes it is! Purchased from Rossman Repair Group.

[@Moegneto]

Hello can you please confirm if the 27234 and 27524 are cross compatible? I have 27234 etched on the power supply drive IC on Smart 3. Thank you in advance.

[@Moegneto]

Correction. I have 27324 etched on IC.

[@ellensburgamplifier]

If I remember right one has an enable and the other doesn't so they are almost compatible. You will have to see if it is using an enable or not.

[@Moegneto]

@@ellensburgamplifier thank you very much. I really appreciate all of your videos, excellent!!!

[@ellensburgamplifier]

@@Moegneto Always happy to help!

[@EmilynayeskiPerez]

Hola tengo el mismo modelo en modo protección me podrías ayudar para solucionar ese problema gracias

[@pierregervais1567]

I have a blown smart 3 that was hooked up improperly at input power and looking to repair it myself. Could you recommend a decent soldering station and other tools I could benefit from to start repairing car audio amplifiers? Thank you

[@ellensburgamplifier]

This is a tough one to answer. First, the Smart amplifiers on the difficulty scale will be a 10+ for someone just starting. I would keep that in mind. As for equipment, a good soldering iron like the Hakko FX888D is a great iron for the price. I started several years ago with the Xtronics 5000 series station. Then a good meter such as the Uni-T UT61e is a lot cheaper than a Fluke. Here is the most important purchase, a scope. Do not cheap out on this and read, read the reviews before purchasing to avoid disappointment. I still stand behind the Rigol 4 channel.

[@pierregervais1567]

@@ellensburgamplifier thanks for the detailed reply and for the recommendations! I was told it would most likely involve replacing mosfets and repairing burnt traces which I’ve discovered at B+ to a large cap. I’ve also identified the 3 types of mosfets used in this amp. I have pictures if you’re wanting to take a look. I’ve been looking into a rigol years ago…this now gives me a reason to acquire one! 😁

[@pierregervais1567]

Would an entry level 50MHz work for what wanna do with it?

[@ellensburgamplifier]

@@pierregervais1567 Oh it got hooked up backward. That does do a lot of damage. A lot of stuff may have survived but a scope will make the task much easier to accomplish. Are the power supply transistors shorted?

[@ellensburgamplifier]

@@pierregervais1567 It depends on what type of scope. Some will have a slow sample rate which will make it hard to see.

[@TushyStyles]

What is the equivalent for that ic or is there a substitute

[@ellensburgamplifier]

The power supply IC is the UCC27524, UCC27324, or possibly even the IR4427 (although I have not used these, but I think they are pin-for-pin match)

[@TushyStyles]

What about ATMEL 408 can that work

[@TushyStyles]

I have a taramps hd 3000 but I missed place the drive ic an I didn't write down the number. So I wanna replace it with another

[@ellensburgamplifier]

@@TushyStyles I am not familiar with this IC so I don't have any input to offer on this one.

[@ellensburgamplifier]

@@TushyStyles The original is the UCC27324. There are a few ICs that will work in its place.

[@jeramierodriguez6372]

Hi please I need you help. I have Taranto and I don’t know what is..

[@ellensburgamplifier]

www.ellensburgamplifier.com/request-a-quote

[@PRINCE2FRESH]

What is the part number of the drive IC?

[@ellensburgamplifier]

It is the IRS20957 IC's Thank you for watching!

[@PRINCE2FRESH]

@@ellensburgamplifier Your vids are very concise and informative

[@ellensburgamplifier]

@@PRINCE2FRESH Thank you! More is in the makings.