Yamaha DRX-2 Service Manual page 38

DRX-2
DVDR Mechanism (BE)
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
38
DS_BE_CommunicationEcho
900
Check the communication between the digital board and the DVDR Mechanism by issuing an
echo command over the S2B interface
- Send the ECHO command
- Check if the BE returned the string 0x00 0xAA 0x55
Less than 1 second
None
Number Description
90000 Communicating with the BE over the S2B interface succeed-ed
90001 There was a time-out while communicating
90002 The DVDR Mechanism returned an unexpected result
90003 The DVDR Mechanism returned an error code
90004 No acknowledge received from BE
90005 Communicating with the DVDR Mechanism failed
90006 Echo check failed, no echo received
90007 Echo check failed, received wrong pattern
DS:> 900
090000:
Test OK @
DS_BE_Reset
901
Reset the DVDR Mechanism
- Toggle the reset pin of the I2S interface
2 seconds
None
Number Description
90100 Resetting the DVDR Mechanism succeeded
90101 Resetting the DVDR Mechanism failed
DS:> 901
090100:
Test OK @