Check the Master clock
DIGITAL PCB
[R750] : 22.5792MHz or 24.576MHz
See 6. DIGITAL PCB DIR BLOCK
z
PCM
Check the I2S signal
DIGITAL PCB
[R736] (USBB_LRCK) : LRCK clock (32KHz - 192KHz)
[R735] (USBB_BCK) : BCK clock ( 2.112MHz - 12.288 MHz)
[R737] (USBB_DATA) : PCM data
Check the1. The power cannot be turned on (Power indi-
cator LED is not lit)
Check Soldering or replace for the following parts.
Check Soldering or replace for the following parts.
Check the DC voltage
DIGITAL PCB
[C770](+) (USBB3.3V) : +3.3V
[L703] (USBB1.8V) : +1.8V
7. DIGITAL PCB USB-DAC BLOCK
See 5. DAC PCB
z
DSD
Check the DSD signal
DIGITAL PCB
[R736] (DSD_BCK) : DSD_BCK
[R738] (DSD_DATA_R) : DSD DATA R
[R737] (DSD_DATA_L) : DSD DATA L
Check Soldering or replace for the following parts.
NG
NG
NG
NG
OK
OK
OK
OK
40