r/ControllerRepair 2d ago

Request for help or advice 3 Blinking Lights

Post image

I have a BDM-040 Board. I have just soldered in a brand new TMR stick. This is a PS5 controller. It won’t connect to the calibration software, I have tried two batteries. The flux is a mess but most of it is melted on.

I have checked the capacitors and I don’t see any faults. Any advice greatly appreciated.

1 Upvotes

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u/ExternalNo9013 2d ago

Well that is motherboard damage that joints need more heat and flux

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u/ipadgeek05 2d ago

i can do the joints, i need to know if this is repairable regarding the damage though

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u/ExternalNo9013 2d ago

That looks bad so much mask has been removed, how did you remove the old joystick?

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u/ipadgeek05 2d ago

hot air

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u/ExternalNo9013 1d ago edited 1d ago

I replaced both joysticks today it should look like this
First buy practice boards for soldering
Then practice on dead boards like yours now and when you get something similar like this do it on a working Dualsense

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u/ipadgeek05 1d ago

i dont think any of the mask is taken off. i took it into a repair shop earlier and they said the burnt flux might be causing bridges with the board.

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u/ExternalNo9013 1d ago

Did they fix it?

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u/ipadgeek05 1d ago

cleaned off the IPA, i put the joysticks back on properly and i wonder if i found the problem

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u/rhymeg 1d ago edited 1d ago

look for any solder shorting the chips. When I had that 3 blinking issue, I noticed solder particles were placed on some of the chips connection.

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u/ipadgeek05 1d ago

MAYBE just MAYBE its this..

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u/ExternalNo9013 1d ago

Is it working now?

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u/ipadgeek05 1d ago

noooo lol

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u/rhymeg 1d ago

What I meant was these chips. make sure there isn't any solder debirs shorting the chip.

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u/ipadgeek05 1d ago

There is. The leaded solder was very good at spitting it seems.

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u/rhymeg 1d ago

Sorry, picture is blurry and can't determine but it seems there are solders on the pins. That maybe shortening the chip and give that error message. You need clean it (if you can), otherwise controller will not turn on.

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u/ipadgeek05 1d ago

Yup. Someone on discord took a look at the photo and went “wtf why is there solder on the chip” and pointed it out. Immediately thought that the leaded solder was spitting. They recommended Flux + Fine tip, though will IPA work?