STUDIO REPAIR - Motu 24 I/O - AK4528 Codec

Picture Content Information
▪ Device:		Motu 24 I/O
▪ Topic:		AK4528 Codec
▪ Abstract:		The AKM AK4528 is a 24-bit 96kHz audio CODEC (2 channels I/O)
▪ Owner:		Equipment courtesy of Future Former
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

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Motu 24 I/O • AK4528 Codec

The AKM AK4528 is a 24-bit 96kHz audio CODEC (2 channels I/O)

Motu 24 I/O - Deconstructed * Front panel and rear jack board removed

Motu 24 I/O - Digital Circuitry * …

Motu 24 I/O - Microcontroller * The 89C58 is a derivative of the 80C51 8-bit microcontroller family with 32kB of internal flash memory

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Motu 24 I/O - AK4528 Codec - Image by - Equipment courtesy of

Motu 24 I/O - Matrix LEDs * The removed front panel reveals matrix LEDs used for level metering

Motu 24 I/O - LED Matrix * Input Channels

Motu 24 I/O - LED Matrix * Output channels

Motu 24 I/O - LED Matrix Driver * …

Motu 24 I/O - LED Matrix * …

Motu 24 I/O - Replaced Transistor * Substituting a PN2222A with a 2N2222A to fix a matrix driver issue

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