Sony GY-2120WD Maintenance Manual page 238

6-2. Command Description
f) All Check (Self-diagnosis command No. 11)
Enter "11" as a command number and press the ENTER key.
Command numbers 12 to 16 are checked automatically and continuously.
n
The entry character string in LCD Check is fixed in "LCD-TEST-PATTERN". It is not necessary to
enter a character string from PC.
DIAGNOSTIC=>11
-------[ 2-Port Communication Check ]-------
Start
-------[ LCD Check ]-------
LCD Test
-------[ LED Check ]-------
Start
-------[ ROM Check (SCSI CPU) ]-------
ROM Check
-------[ RAM Check (SCSI CPU) ]-------
Start
SCSI CPU Test
DIAGNOSTIC=>_
In case that the check succeeds;
Message "SCSI CPU Test ******** OK ********" is displayed lastly.
In case that the check fails;
Refer to "In case that the check fails;" of the each corresponding command (number).
6-14
******** OK
******** OK
OK
******** OK
OK
******** OK ********
GY-2120WD/WS