Comments on: 5V DC Power Supply Module Repaired

By: Yogesh Panchal

Yogesh Panchal — Tue, 09 Nov 2021 13:19:51 +0000

Imoudu Onwumah

Bipolar Transistor can be used for switching or amplification.may be the equipment's other circuit which controls micro processor will take care of PWM.

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By: Yogesh Panchal

Yogesh Panchal — Tue, 09 Nov 2021 13:07:39 +0000

In reply to Waleed Rishmawi.

Thanks! waleed.

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By: Yogesh Panchal

Yogesh Panchal — Tue, 09 Nov 2021 13:06:48 +0000

In reply to Albert van Bemmelen.

ALbert,
some time Circuits works well beyond the logic.

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By: Yogesh Panchal

Yogesh Panchal — Tue, 09 Nov 2021 13:04:09 +0000

In reply to Parasuraman S.

Thank you!Sir.

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By: Imoudu Onwumah

Imoudu Onwumah — Thu, 04 Nov 2021 16:15:54 +0000

Good job friend.One thing I am yet to understand is how smps having no pwm, just one bipolar transistor on hot side operate.have a good day.

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By: Waleed Rishmawi

Waleed Rishmawi — Thu, 04 Nov 2021 07:56:42 +0000

a job well done my friend. keep up the good work and be blessed today

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By: Albert van Bemmelen

Albert van Bemmelen — Thu, 04 Nov 2021 05:37:52 +0000

Nicely done repair job on this power adapter with MJE 13003 transistor that doesn't use any pwm controller chip but instead is using the transformer as active converter.

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By: Parasuraman S

Parasuraman S — Thu, 04 Nov 2021 05:36:57 +0000

An expert fix! Many thanks for sharing.

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