component identifacation


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component identifacation

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manutea
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May 23, 2020, 7:24 PM

Post #1 of 2 (1469 views)
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component identifacation	Can't Post

Hi there,
I'm trying to fix a SONY TV Tcon board (essentially for fun & experience)
Its a MT5367 MB PAD board.
What i need to identify IC 2403 that was a LD1117 (ADJ ? unreadable as been destroyed during desoldering process)
Anyone can show me a path ?
Thank you
Mike

Fixion
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Jul 6, 2020, 8:54 PM

Post #2 of 2 (1277 views)
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Re: [manutea] component identifacation [In reply to]	Can't Post

The LD1117 is a generic low dropout linear regulator, they're pretty common and come in many form factors. The only thing you need to worry about is if it was an adjustable version or a fixed output voltage version.

If you found the schematics for the board it would make find out really easy. Otherwise you might be able to reverse engineer it from the circuit.

https://www.mouser.com/Semiconductors/Power-Management-ICs/Voltage-Regulators-Voltage-Controllers/LDO-Voltage-Regulators/_/N-5cgac?Keyword=ld1117&FS=True

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