Author Topic: JDM-055 (1-982-707-31) Schematic  (Read 115877 times)

Online RDC

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #30 on: May 24, 2021, 01:33:02 PM »
Doubtful. That's on some kind of data bus or something between the MCU and PMIC. It should be replaced though.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline ChrisJavier

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #31 on: May 24, 2021, 01:47:48 PM »
Do you happen to know the value?

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #32 on: May 24, 2021, 01:51:59 PM »
It's in the schematic.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline ChrisJavier

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #33 on: May 24, 2021, 02:23:15 PM »
Is it? I'm blind, can't seem to find it

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #34 on: May 24, 2021, 02:29:19 PM »
It's in a group of 5 there, kind of middle/leftish in the schemy, R28, R30, R38, R27, R29, or follow A17 out of the MCU.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline ChrisJavier

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #35 on: May 24, 2021, 05:01:01 PM »
I thought I was going crazy or blind or both! On mobile it doesn't show the valueshttps://prnt.sc/13dcsmh. But I see now on PC that they're 100k! Thanks!
« Last Edit: May 24, 2021, 05:02:59 PM by ChrisJavier »

Offline nsch7

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #36 on: July 03, 2021, 05:25:42 PM »
Hi, does anyone know where can I reconnect the central pin of the y axis of the left analog? I ripped off and idk how to fix it :(

Offline wickated

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #37 on: July 04, 2021, 12:52:15 PM »
Hi, does anyone know where can I reconnect the central pin of the y axis of the left analog? I ripped off and idk how to fix it :(
u still have remaing trace on front side of board. i tgoes directly to mcu so only jumper wire should be used.

Offline angellara13

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #38 on: July 17, 2021, 01:19:45 AM »
alguien puede decirme cuanto vale la R31 Y R32? La tire sin querer y con que medidas podr?a remplazarla o si puedo meterle una resistencia convencional de la misma medida, ya que no logro encontrar el repuesto

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #39 on: July 17, 2021, 01:27:05 AM »
Both of those values are shown in the schematic.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline ChrisJavier

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #40 on: July 26, 2021, 12:00:39 PM »


Corrosion destroyed that component (CM1?) along with the trace. Is that 2 filters in 1? I'm going to try to rebuild the trace, can I jump the trace and leave that component out?

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #41 on: July 26, 2021, 12:22:40 PM »
It's a Common Mode choke, on the D+ and D- lines for the USB. It should work alright with the 2 traces jumped straight thru, especially if wireless is how you mainly use it.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline dopf

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #42 on: August 09, 2021, 10:46:24 AM »
I just accidentally ripped the battery connector  :confused:
Is there a pin/pad where I can solder the battery directly to?

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #43 on: August 09, 2021, 05:17:37 PM »
That's quite an accident, since it's on there pretty well.

Top side of the board, almost dead center of it on the left side edge is a TP spot for the B+. It is just above 2 Resistors there. For the B- side just use any ground connection in there.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline dopf

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #44 on: August 10, 2021, 05:31:12 AM »
Thanks for the quick reply RDC!

Yeah, I wiggled too hard on that connector...

Sorry but I can't find B+, could you maybe highlight it in the Top view?

Offline KillerNV

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #45 on: January 18, 2022, 07:32:01 AM »
help identify R59? C57?

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #46 on: January 18, 2022, 09:59:16 AM »
C57 is just a decoupling Cap on the 3.2v rail, it will be fine with that missing. If you want to replace it you could use anything from 1nF to 1uF there.

R59 is shown in the schematic.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline KillerNV

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #47 on: January 19, 2022, 12:39:43 AM »
C57 is just a decoupling Cap on the 3.2v rail, it will be fine with that missing. If you want to replace it you could use anything from 1nF to 1uF there.

R59 is shown in the schematic.

how many ohms R59?

Offline KillerNV

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #48 on: January 20, 2022, 11:48:52 PM »
how many ohms R59?
much needed value R59

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #49 on: January 21, 2022, 04:57:06 AM »
Already told you that is in the schematic.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline KillerNV

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #50 on: January 21, 2022, 06:45:09 AM »
help identify С63?

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #51 on: January 21, 2022, 06:57:32 AM »
10nF. It is for decoupling from the voltage divider off the Battery voltage, the exact value isn't really critical. Anything from 1nF to 100nF would work fine there.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline KillerNV

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #52 on: January 25, 2022, 01:41:57 AM »
10nF. It is for decoupling from the voltage divider off the Battery voltage, the exact value isn't really critical. Anything from 1nF to 100nF would work fine there.
please tell me how many volts C63

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #53 on: January 25, 2022, 07:35:40 AM »
No idea at all, because the meter doesn't measure that. Considering where it is, after the voltage divider from the battery, and that voltage divider is half because both of those Resistors are 150k. It will never see any more than half of whatever the battery voltage will be. During charging that's 4.2v, so around 2.1v will be on that Capacitor at most, so anything rated 6.3v or higher will be fine there.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline sweetthlngs

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #54 on: February 24, 2022, 11:22:08 AM »
Hello, I would like help to find the values ​​of resistors R40, R41, R42. please

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #55 on: February 24, 2022, 11:58:52 AM »
R40 - 46k
R41 - 68.5k
R42 - 46.6k
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline sweetthlngs

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #56 on: February 24, 2022, 12:25:40 PM »

Thanks bro you saved me. :tup:

Offline Publicpolicyadvocate

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #57 on: February 28, 2022, 05:25:50 PM »
I lost C26. Does anyone happen to know it's value?

Someone else supposedly metered it out and got 6uf.

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #58 on: February 28, 2022, 05:48:43 PM »
C26 - 4.7uF
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline Dzrn

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Re: JDM-055 (1-982-707-31) Schematic
« Reply #59 on: March 13, 2022, 10:50:55 PM »
Help identify c5?

 

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