Philips DVP9000S Service Manual page 20

DAC_I2C, DAC_I2Cenable, DAC_I2Cdisable (for SD5.2 only)
This nucleus checks the interface between the I2C controller on the ZiVa5 and the external DAC board.
DAC_ClockInternal, DAC_ClockExternal (for SD5.2 only)
These nuclei select the final clock input to the audio DAC.
- Internal clock means the PCM clock from the monoboard is used.
- External clock means the DSD clock on the AV board is used.
DAC_AudioPreMuteOn, DAC_ AudioPreMuteOff (for SD5.2 only)
This nucleus selects Audio Pre-mute on/off.
DAC_CentreOn, DAC_ CentreOff (for SD5.2 only)
This nucleus selects the centre on/off.
BedReadFlashID
Loads a special diagnostic firmware on the front engine which reads the Flash device and manufacturer's ID .
BedCalcRomChkSum
Loads a special diagnostic firmware on the front engine that calculates the checksum of the front engine ROM.
BedScratchTest
Loads a special diagnostic firmware on the front engine that checks the scratch detector circuit of the front engine.
DAC_Reset
This nucleus resets the DAC board.
DAC_ModeCDDA, DAC_ModeDVD48, DAC_ModeDVD96, DAC_ModeDSD (for SD5.2 only)
- DAC_ModeCDDA switches the DACs into CDDA mode.
- DAC_ModeDVD48 switches the DACs into DVD 48 kHz mode.
- DAC_ModeDVD96 switches the DACs into DVD 96 kHz mode.
- DAC_ModeDSD switches the DACs into DVD DSD mode.
DAC_LowPowerStandbyOn, DAC_LowPowerStandbyOff (for SD5.2 only)
DAC_LowPowerStandbyOn switches the Low power standby mode on, removing power supply to SCART switch IC.
DAC_LowPowerStandbyOff switches the Low power standby mode off, enabling power supply to SCART switch IC.
DAC_UpSamplingFreq192k, DAC_ UpSamplingFreq96k, DAC_UpSamplingOn, DAC_ UpSamplingOff (for
SD5.2 only)
These nuclei select whether upsampling should be activated and at what frequency.
Furore_Reset (for SD5.2 only)
This nucleus resets the Furore IC.
Furore_High, Furore_Low (for SD5.2 only)
These nucleus sets the output lines DSD_PCM0-9 to either high or low.
3-12