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TMS570LS3134: TMS570LS31x HDK in which U39(LDO) should generate 3.3V, instead we are seeing 0.6-0.7V (At pin 1, U39)

SAI CHARAN K B
Prodigy 10 points
Part Number: TMS570LS3134

Hi,

We have bought TMS570LS31x HDK in which U39(LDO) should generate 3.3V, instead we are seeing 0.6-0.7V (At pin 1, U39).(PDF Schematic Aattached)

 

Please suggest how to debug this & possible reasons for this kind of behavior.

URl: https://www.ti.com/lit/ug/spnu509c/spnu509c.pdf?ts=1651052156896&ref_url=https%253A%252F%252Fwww.google.com%252F

0005.tms570ls3_hdk_schematics_reve.pdf