Graphics card schematic in PDF for the NVIDIA GeForce RTX 2080, reference board PG180-A02, Rev A. PG180 is NVIDIA's internal reference PCB code, so partner cards based on the reference layout often follow the same circuits. Repairers use it to check the GPU core and memory VRM phases, the 12 V input, PEX power stages and the GDDR6 supply when a card shows no output or a shorted rail. Confirm that the card is a reference design before assuming component placement matches these pages.
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