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TPA3255-Q1:OUT_C & OUT_D

Part Number: TPA3255-Q1


TPA3255-q1, 4*SE MODE. The RESET is H . M1 & M2 is H

OUT_A & OUT_B has square wave,but OUT_C & OUT_D none. So, what's the problem ??

OUT_A & OUT_B can play music,OUT_C & OUT_D power on ,than "po",and no music

pls help.

this is sch.Schematic_音频功放V2_2020-09-16_14-54-58.pdf