Jared NearFarMedia
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Description
Tektronix TM503 Replacement PCB
This is a replacement PCB for the Tektronix TM503 mainframe.
Parts substitutions are allowed, there is nothing critical here, if it is the correct value and it fits, it sits.
Also attached is a diagram showing how the transformer connects, just be sure to take note of the wiring in your unit, juussstt in case it is different somehow. Photos and diagrams should keep you out of trouble.
Don't forget to install the 0.02uF capacitors between pins 1A / 1B and 13A/ 13B on each edge connector, just solder the capacitors directly to the back of the PCB on the respective pins once the card edge connectors are installed, just as per the original design.
NOTE: THIS IS JUST THE MAIN PCB!
Don't forget to order the front plate PCB too! It is needed for safety and for structural rigidity, plus it makes it look nicer too. :)
Check the video: https://www.youtube.com/watch?v=VkNRUI_QtWo
Schematic and Layout
Transformer Wire Connections
Tek TM503 PCB Transformer Connections - New PCB.pdf
TM503 Transformer Connections - Old PCB
TM503 Transformer Connections - Old PCB.jpg
TM503 Bill of Materials
TM503 BOM.pdf
May 29,2023
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Tektronix TM503 Replacement PCB
A replacement PCB for the Tektronix TM503 mainframe.
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Published: May 29,2023
Download Gerber file 3
BOM(Bill of materials)
PCBWay Donate 10% cost To Author
File Last Updated: 2023/12/09 (GMT+8)
File update record
2023-12-0923:23:53
Parts List (BOM) is updated.
2023-05-2910:32:22
Parts List (BOM) is updated.
Only PCB
PCB+Assembly
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Under the
Attribution-NonCommercial-ShareAlike (CC BY-NC-SA)
License.
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