Denon DNP-730AE - Playing back files stored on a PC and NAS

32
3.1. Optical Output
Check the Power Supply Voltages for Optical.
MAIN PCB
・
+3.3V_D1
[JACK101
、
2pin]
Check the status of the following parts and check the solder.
MAIN PCB
IC106
Other, connected circuit.
NO
YES
Check the DIR clock.
MAIN PCB
・
The clock signal of 24.576MHz will be output.
[IC100
、
40in]
Check the status of the following parts and check the solder.
FRONT PCB
X100
、
IC100
Other, connected circuit.
NO
See "3.3. Check the Audio Block"
YES
Check the audio data for DIR.
MAIN PCB
There are no abnormal voltages, such as middle potential.
There is no abnormal waveform.
DIR_SPDIFIN [IC100
、
33pin]
DIR_BCKIN [IC100
、
30pin]
DIR_LRCKIN [IC100
、
29pin]
DIR_DATAIN [IC100
、
28pin]
Check the status of the following parts and check the solder.
MAIN PCB
IC100
、
CN200
（
CY920MODULE)
Other, connected circuit.
NO
YES
Check the audio data for DIR.
MAIN PCB
There are no abnormal voltages, such as middle potential.
There is no abnormal waveform.
DIR_RST [IC100
、
34pin]
DIR_DAI [IC100
、
24pin]
DIR_CLK [IC100
、
25pin]
DIR_CS [IC100
、
26pin]
DIR_DAO [IC100
、
23pin]
Check the status of the following parts and check the solder.
FRONT PCB
IC113
、
IC100
Other, connected circuit.
NO
YES
Check the status of the following parts and check the solder.
FRONT PCB
IC100
Other, connected circuit.
YES