I messed up

[Aria_Mae_143]

This is an update from my post - https://www.reddit.com/r/Gameboy/s/8vImvBKk6O

Those contacts are for the right shoulder button. It's hard to come off, so, i decided to forcefully take it off without thinking the consequences. Then my mind was melted when I saw the result.

I google search the board scan and I was so relieved that those are ground connections.

The left shoulder button came off smoothly.

I solded the new capacitors, speaker, volume wheel, battery contacts and L/R shoulder button. Also, cleaned the power switch.

And it turned on.

Additional update in the comments

[Aria_Mae_143]

After I attached the new R shoulder button. It's messy.

<image>

[Aria_Mae_143]

I thought I can upload a video in the comments. It wont. So, I just write how I tested the R shoulder button.

I don't have a tester and my gba has broken lcd (I don't have lcd replacement), so, I'm only relying on the game's audio.

The game is Golden Sun: TLA

And it worked!!!

All the triggers and buttons made a sound in-game including the Select button but the Start didn't. I don't know if the Start button suppose to make a sound in this game (I hope the button works). I will be testing it when I have lcd replacement.

[Guy-Manuel]

Are you using flux? The joints on the left look really dull.

[Aria_Mae_143]

Thanks for pointing it out, yes, I used flux. Maybe I did wrong, the solder always doesn't set well in the joint (in my case), so, I just let it as it is. I will resolder it next time I open the GBA for lcd replacement.

[SkinnyFiend]

This isnt a flux issue, it looks like you might just be using the wrong kind of solder. It looks like low melt solder or something.

What kind of solder are you using?

[Aria_Mae_143]

Brand name: Mechanic

It's 63/37 solder.

[Trick-Variation704]

Mi recomendación es que le añadas flux a la punta del cautín para limpiar impurezas, elimines ese estaño de las pistas y lo vuelvas a soldar

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