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Author Topic: Jdm-050 missing capacitor value needed  (Read 473 times)

Offline jetuaime81

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Jdm-050 missing capacitor value needed
« on: October 18, 2024, 06:52:19 AM »
Hi people. I need a capacitor value and size which got knocked off while reflowing the pmic d92003mw.
« Last Edit: October 18, 2024, 10:39:35 PM by jetuaime81 »
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Offline jetuaime81

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Re: Jdm-050 missing capacitor value needed
« Reply #1 on: October 18, 2024, 06:54:20 AM »
« Last Edit: October 18, 2024, 07:09:39 AM by jetuaime81 »
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Offline RDC

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Re: Jdm-050 missing capacitor value needed
« Reply #2 on: October 19, 2024, 05:17:34 AM »
10uF, 0603

No idea on the voltage spec, just go on the hi side to be safe.
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Offline jetuaime81

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Re: Jdm-050 missing capacitor value needed
« Reply #3 on: October 20, 2024, 10:54:32 AM »
Thanks. I replaced that but it functions on battery and Bluetooth perfectly (with an issue) and when I connect USB cable to pc, the pc makes USB plugged in and then unplugged sound repeatedly.

The issue that I mentioned is,  usually ds4 on plugging the battery, there is a startup cycle. It draws approx 40 to 50mA for about 2 seconds and then comes down to 0.1mA. This one  is taking 80mA and then rests at 30mA (that's a 30mA leakage and hard to detect even via thermal can). I'm suspecting the mt3610n chip maybe faulty. I did try reflowing.

My question is are the jdm-050 and -055 mt3610s interchangeable?
« Last Edit: October 20, 2024, 10:59:54 AM by jetuaime81 »
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Offline jetuaime81

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Re: Jdm-050 missing capacitor value needed
« Reply #4 on: October 21, 2024, 12:50:04 AM »
I'm sorry RDC, I didn't check thoroughly it seems. I found a shorted capacitor near this pmic. Do you have the value for this? It's the same size 0603

On jdm-040 https://ibb.co/Bqkhnfn
On jdm-050 https://ibb.co/6g3PM4J
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Offline jetuaime81

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Re: Jdm-050 missing capacitor value needed
« Reply #5 on: October 21, 2024, 03:28:04 PM »
Nvm, I just replaced with 10uf (just a guess) and the controller now works perfectly. Thanks ✌
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