Tascam US-122mkII

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For more information, see this article's corresponding Wikipedia page: Device.
This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so.
Tascam US-144mkII/US-122mkII
Preliminary Information
Release Year ~2009
Leak Risk Medium
Batteries None
Mounting Technology Through Hole, SMD
Capacitor Types Aluminum Electrolytic, Ceramic
Destructive Entry No

A portable USB 2.0 audio interface released by TASCAM in around 2009, using bus power. Not compliant with the USB2 audio standard. Named similarly to the historical TASCAM 122 MkII and TASCAM 144 MkII, which are different devices.

Known Issues

No audio

Causes

  • This device is not compliant with the USB2 audio standard and requires a unique driver to be fully functional.

Solutions

  • If you are on a version of Windows or MacOS where you are able to install the proprietary driver, install the driver from TASCAM's website. If you are on desktop Linux, you are able to use the usbusx2y driver along with JACK. You will need to blacklist the USB audio driver, and drop in configuration for ALSA which allows JACK to understand how to use this interface. It will be listed as a US122L.[1]

Disassembly Notes

The device has multiple tension fits which are easy to accidentally damage. The device has a small number of screws that are identical in basic dimensions, colouration, and head to another type of screw in the device, but have a completely different thread, so inspect the threads of screws when removing them.

Original Parts

PCB, MAIN TEAC US-144MKII G

These devices use the same motherboard, with some components removed for the US-122mkII. Information filled out using a US-122mkII as reference. Table below is incomplete.

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C102 C103 C202 C203 C334 C335 6 47 µF 63v Radial 6.3mm 11mm 85 °C AE Capxon GS
C108 C208 C323 C324 4 1000 uF 6.3v Radial 8mm 11.5mm 85 °C AE Capxon GS
C119 C219 C333 3 220 uF ? 16v ? SMD 6mm ? AE

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
C102 C103 C202 C203 C334 C335 6 860010773012 / 63ZLH47MEFC6.3X11 Digikey Mouser LCSC
C108 C208 C323 C324 4 ECA-0JM102B / ESK108M6R3AG3AA / 10YXJ1000M10X12.5 DigiKey Mouser LCSC

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Kits

Related Links

References