I'm working on a layout for a 500 series pcb, and I have some questions about the grounding scheme used in 500 modules.
I see that there are three pins on the edge connector that are used as "grounds" (I understand that this is probably not the most accurate term to apply to all three, but I'm going to use it generically here).
Pin 1 - "Chassis"
Pin 5 - Audio Common
Pin 13 - Power Supply 0v
The connections seem fairly simple. Power rail grounds connect to pin 13, audio grounds to pin 5, and mechanical things like the L bracket (?) to Pin 1. Does this seem right?
If that makes sense, then I am wondering where the best place to connect something like a transformer shield would be. My instinct says Pin 1, but I'm unsure if I'm grasping these connections correctly.
EDIT: I've updated the title of this thread, as there are more than just questions about ground schemes that have come up for me in the discussion.
I see that there are three pins on the edge connector that are used as "grounds" (I understand that this is probably not the most accurate term to apply to all three, but I'm going to use it generically here).
Pin 1 - "Chassis"
Pin 5 - Audio Common
Pin 13 - Power Supply 0v
The connections seem fairly simple. Power rail grounds connect to pin 13, audio grounds to pin 5, and mechanical things like the L bracket (?) to Pin 1. Does this seem right?
If that makes sense, then I am wondering where the best place to connect something like a transformer shield would be. My instinct says Pin 1, but I'm unsure if I'm grasping these connections correctly.
EDIT: I've updated the title of this thread, as there are more than just questions about ground schemes that have come up for me in the discussion.
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