Marantz HD-DAC1 - TROUBLESHOOTING: DAC Sound Issues

41
3.3. DAC
Check DC voltage
MAIN : AUDIO PART PCB (CUP12689-1)
IC61 17pin, 22pin : +5V
IC61 7pin, 14pin, 27pin : +3.3V
Check Soldering or replace.
MAIN : AUDIO PART PCB (CUP12689-1)
IC98, IC99
NO
NO
NO
Check reset signal in playback mode
MAIN : AUDIO PART PCB (CUP12689-1)
IC61 13pin (RST) : +3.3V
Check Soldering or replace
MAIN : AUDIO PART PCB (CUP12689-1)
IC61
Is DAC input signal normal in playback mode?
MAIN : AUDIO PART PCB (CUP12689-1)
IC61 3pin (DSD_L / PCM_DATA) : DATA INPUT
IC61 4pin (DSP / PCB_BCK) : (2.112MHz - 12.288MHz)
IC61 5pin (DSD_R / PCM_LRCK) : (32kHz - 192kHz)
IC61 6pin (MCLK) : (22.579MHz or 24.576MHz)
Check Soldering or replace.
MAIN : AUDIO PART PCB (CUP12689-1)
IC61
R691 - 694
Check Soldering or replace
MAIN : AUDIO PART PCB (CUP12689-1)
IC61, WF61, R698
YES
YES
YES