Comments on: Wster WS2911 Karaoke Mic

By: Mervin Binda

Mervin Binda — Thu, 06 Mar 2025 16:10:14 +0000

great to see all these stuff

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By: Yogesh Panchal

Yogesh Panchal — Tue, 25 Feb 2025 14:22:39 +0000

Thank you! MUYKIT

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By: MUYKIT

MUYKIT — Mon, 24 Feb 2025 15:45:27 +0000

Engineer Yogesh, nice restoration.

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By: Yogesh Panchal

Yogesh Panchal — Sun, 23 Feb 2025 14:47:46 +0000

In reply to Mark J.

Thank You! Mark J

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By: Yogesh Panchal

Yogesh Panchal — Sun, 23 Feb 2025 14:47:09 +0000

In reply to Albert van Bemmelen.

Albert,
2DLF also have 4.5V fixed charging output voltage.

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By: Yogesh Panchal

Yogesh Panchal — Sun, 23 Feb 2025 14:40:00 +0000

In reply to Albert van Bemmelen.

Thanks! ALbert,
This IC's O/p is fixed to 4.9v as per the Datasheet can not used for 1.5v Battery.

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By: Yogesh Panchal

Yogesh Panchal — Sun, 23 Feb 2025 14:23:14 +0000

In reply to Waleed Rishmawi.

Thank You!Waleed

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By: Yogesh Panchal

Yogesh Panchal — Sun, 23 Feb 2025 14:22:39 +0000

In reply to Parasuraman S.

Thank You! Sir

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By: Mark J

Mark J — Sat, 22 Feb 2025 21:04:22 +0000

Yogesh good job on the repair. I always enjoy your repair artilces.

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By: Albert van Bemmelen

Albert van Bemmelen — Sat, 22 Feb 2025 20:37:02 +0000

In reply to Albert van Bemmelen.

In a second 5V chargeable li-ion 1.5V battery I found the same badly soldered chip with another SMD code 2DLF. Apparently the searched 6 pin chip is the XT2055Y42 which is a Standalone Linear Li-Ion Battery Charger with Thermal Regulation ic. And is not the wrong printed smd code that was on top of the other defect chip in the same type of 1.5V li-ion battery.
They are sold on Aliexpress here: https://nl.aliexpress.com/item/1005002487380600.html?gatewayAdapt=glo2nld

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