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TAS5782M: No Subwoofer Output on SDOUT

Simon Liechti
Prodigy 20 points

Part Number: TAS5782M

Hi 

I'm working on 2.1 System with TAS5782m together with a TAS5760 as Subwoofer. When I set the Output Crossbar in PurePath Console to Woofer => Left I2S and Woofer => Right I2S I don't have an audio output on the SDOUT Pin (also if the crossover filters are disabled). With the settings Left T => Left I2S and Right T to Right I2S I have a signal. I also tried to set SDOUT origin to pre-processing. This case also worked. 

Is there any special parameter for enabling the woofer?

Thanks in advance for your reply!

  • 0
    Prodigy 20 points

    Solved the problem.

    Had to manually set Book 0x8c Page 0x1d Register 0x28..0x2b (Sub Channel Control) to 0.

    It was hard to find. Would be helpful if the PPC3 would export all necessary Registers. The documentation of the process flow memory map is also very poor!