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Sony DPTA-RS1 Active Stylus Teardown & Battery Replacement

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Tearing down my DPTA-RS1 stylus and replacing the dead li-ion battery without damaging the cosmetics.

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  1. Sony DPTA-RS1 Active Stylus Teardown & Battery Replacement, Loosen the Tip: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Sony DPTA-RS1 Active Stylus Teardown & Battery Replacement, Loosen the Tip: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • The tip is glued-in-place. You need to wiggle it with force to loosen the glue.

    • Do not use clamps or pliers to hold the tip. You may risk damaging the capacitive coil underneath.

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  2. Sony DPTA-RS1 Active Stylus Teardown & Battery Replacement, Remove the Buttons: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • The internals are now held in place by the plastic buttons. Remove them to proceed

    • Use a prying tool to remove the buttons. The middle pivot is a good entry point.

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  4. Sony DPTA-RS1 Active Stylus Teardown & Battery Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • With the buttons removed, you can now slide out the guts in the tip's direction. You can now perform a battery replacement.

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  5. Sony DPTA-RS1 Active Stylus Teardown & Battery Replacement, Take a look inside: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Apparently, the pen is built by Hanvon and is powered by ATMEL's (now Microchip's) maXStylus Technology.

    • ATMEL maXStylus mXTS220 Capacitive Stylus Driver

    • TI BQ24232RGTR Li-ion Battery Charger

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To reassemble your device, follow these instructions in reverse order.

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A. Lithia

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Thank you mate. It has really been helpful, knowing how to open the pen. I cannot find the part number for battery on the post, and will really be helpful if you can post that as well.

Adi - crwdns2934203:0crwdne2934203:0

I have added an Aliexpress item to the guide. It doesn't have to be of the exact dimensions (generic lithium-ion batteries with similar or smaller sizes will fit and function correctly)

A. Lithia -

Thank you for your helpful post.

I would like to know how to loose the tips, they are hard to open.

Do I need to use a heat gun?

Also, I would like to know why you are replacing the battery.

Will replacing the battery also solve the problem of not being able to charge the stylus?

방성태 - crwdns2934203:0crwdne2934203:0

The pen tip is only plastic, so the heat gun will probably damage it. I repeatedly pushed the tip with my thumb (with force) using the gesture in Fig 1 from different angles to loosen the tip.

And yes, replacing the battery will resolve the charging issue.

A. Lithia -

Thank you so much Lithia. What's the tool to pry the button? I have tried different things, Twizzlers etc. the gap is so small and couldn't really pry into the pivot point.

Also after button removal, do we need to use some toll to slide the gut? Doesn't seem to have a grabbing point without making any damage.

Thanks again

Regards

Rong

Rong Lin - crwdns2934203:0crwdne2934203:0

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