Roland TR-8: Difference between revisions

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Revision as of 00:58, 29 June 2023

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.
Roland TR-8
Preliminary Information
Release Year 2014
Leak Risk Medium
Batteries None
Mounting Technology Through Hole, SMD
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic, Polymer
Destructive Entry No

This is a template page for creating new pages for devices, troubleshooting them, part lists, and other repair info.

Known Issues

Symptom or Problem Encountered

Causes

  • Faders won't close entirely

Solutions

  • Clean them

Disassembly Notes

Warnings or tips to disassemble the device

Original Parts

Panel PCB

TR-8 PANEL BOARD ASSY 5100035507

viewed from top

PWB 5100038975 00

M31-2E0184-A-02A

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C75 12.75 mm 16.5 mm 4.8 mm 85 °C through-hole Lelon
C76, C77 2 100 16 V Surface Mount 6.1 mm 5.3 mm Nichicon(?)
C118 1 220 6.3 V 6.25 mm 5.3 mm Nichicon(?)

Audio PCB

TR-8 JACK BOARD ASSY 5100035510

PWB 5100038976 00

M31-2E0183A-02A

viewed from top
Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C26, C27, C43, C45, C63, C64 6 3.15 mm 5.4 mm
C48, C50 2 25 V 8.1 mm 10 mm
C18, C23, C35, C36 4 25 V 6.2 mm 10.6 mm
C16, C17, C59, C60, C69, C70 6 25 V 4.1 mm 5.45 mm
C7, C25 2 16 V 6.25 mm 5.2 mm
C20 1 16 V 8.1 mm 10.3 mm
C21 - - - - - - - - - - -
C2, C5 2 16 V 4.9 mm 5.3 mm
C3, C4 2 63 V 6.2 mm 5.2 mm


Main Board PCB

viewed from top

TR-8 MAIN BOARD ASSY 5100035503

PWB 5100038970 00

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C145 1 25 V 5 mm 5.2 mm
C39, C48, C90, C115, C123, C139, C182 7 3.15 mm 5.4 mm
C117, C191 2 25 V 6.2 mm 10.6 mm
C203 1 16 V 7 mm 5.3 mm
C127 1 16 V 6.3 mm 7.8 mm
RefDes Qty Type Brand Chip Datecode Datasheet Order Links
IC10 1 SDRAM Issi IS42S16400F-7TL 1342 Datasheet Mouser

Digikey

IC5 1 SDRAM Issi IS42S16160D-7TL 1333 Datasheet Mouser

Digikey

IC1 1 FPGA Roland ESC-2 1346
IC2 1 FPGA Roland ESC-2 1346
IC20 1 DC/DC-Converter MB39A123 1345

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

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

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