Sony GY-2120WD Maintenance Manual page 433

6-7-3. Execution Example of Electrical
Adjustment
An execution example of the electrical adjustment when
the drum assembly or upper drum assembly is replaced is
given below.
1. Activation of DIAG
Press the DIAG hole on the front panel continuously
for approximately two seconds.
2. DIAG menu selection
Press the UNLOAD button on the front panel to select
DIAG No. 300 (Servo/RF All Adjust).
3. Execution of electrical adjustment
Press the RECOVER hole on the front panel.
Insert the YR2-1 alignment tape. The LCD will change
as shown on the right, and RF Switching Position
Adjust will be executed.
When execution is completed, the tape will automati-
cally be ejected, and the LCD will display as shown in
the right.
Insert the YR2-1 alignment tape. The LCD will change
as shown on the right, and Tracking Auto Check will
be executed.
When execution is completed, the tape will automati-
cally be ejected, and the LCD will display as shown in
the right.
Insert the YR5-1 alignment tape. The LCD will change
as shown on the right, and PB ALL Adjust will be
executed.
GY-2120WD/WS
6-7. Adjustment from Front Panel
UNLOAD button
LCD display
ERROR COMP I/O BUSY POWER
UNLOAD
PUSH OPEN
DIAG
SCSI
ON
OFF
RECOVER
COMP
<LCD display>
DIAG: 300
<LCD display>
Insert YR2 Tape
<LCD display>
DIAG: 300 #
<LCD display>
Insert YR2 Tape
<LCD display>
DIAG: 300
#
<LCD display>
Insert YR5 Tape
<LCD display>
DIAG: 300 #
EJECT
EJECT hole
DIAG hole
RECOVER hole
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