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Author Topic: Sega dreancast eye pattern  (Read 1163 times)

Offline davidrayel

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Sega dreancast eye pattern
« on: May 03, 2023, 12:23:46 PM »
I have the Sega Dreancast xv779 board and I need to measure the optical eye pattern but I don't know what the test point is. Anyone who can help I'll be grateful.
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Offline RDC

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Re: Sega dreancast eye pattern
« Reply #1 on: May 03, 2023, 12:45:17 PM »
No idea, the schematic I made for that board awhile back is here. Might be of some use. - https://acidmods.com/forum/index.php?topic=44892.0
« Last Edit: May 03, 2023, 12:54:25 PM by RDC »
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Offline davidrayel

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Re: Sega dreancast eye pattern
« Reply #2 on: May 03, 2023, 03:58:12 PM »
I found the RF output IC (IC1 313-5635) but I didn't find its datasheet. I will solder 7 wires (to test the closed drive) in the probable test points that can be the RF output of the eye patern. I'll be back soon with the result
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