Sony DNW-A75 Maintenance Manual page 160

4-2. TAPE Maintenance Mode (M0)
4-2-10. AUDIO/VIDEO ADJUST Mode (A2)
To execute the automatic adjustment
(1) Display "Auto (Push SET Button)" on the superim-
posed display or "PUSH SET" in the time data display
area according to the "Change of adjustment mode"
described above.
(2) Press the SET button to initiate the automatic adjustment.
. The superimposed display changes to "Auto Adjust-
ing...". The displayed data value also changes.
The display in the time data display area does not
change.
(3) Check to see that the automatic adjustment is complet-
ed on the superimposed display.
. On completing it, the message "Auto Adjust Com-
plete" will be displayed.
n
If the message "Auto Adjust Failure" is displayed,
refer to the "When failing the automatic adjustment"
below.
(4) To exit the menu, press the MENU button once.
To execute the automatic adjustment again in this
menu, go to step (2).
(5) To save the adjustment data into the NV-RAM,
execute SAVE ALL ADJUST DATA in A2F : NV-
RAM CONTROL menu.
To return the adjustment data to the former saved data
before adjustment, execute ALL DATA PREVIOUS
in A2F : NV-RAM CONTROL menu.
When failing the automatic adjustment
The following circuit board is considered to be defective.
Submenu No. Circuit board name
A231 or A232 SDI-41 board
A233 SDI-41 board
A234 DPR-119 board
(or SDI-41 board)
A235 DPR-150 (or DIF-109) board
Note on manual adjustment
Measuring equipment are required in performing the
manual adjustment. For the actual manual adjustment, refer
to the adjustment method described in Section 2 of the
maintenance manual part 2, volume-1.
n
For the data changing, refer to the "To change the adjust-
ment data manually" on page 4-67.
4-70
Example of display and operation
Example of A231 : SDI ENC1 VCO
Superimposed display
AUDIO/VIDEO ADJUST MODE
A231:SDI ENC1 VCO
*
Manual
SDI ENC1 VCO
VCO STATUS 0
AUDIO/VIDEO ADJUST MODE
A231:SDI ENC1 VCO
*
Auto (Push SET button)
SDI ENC1 VCO
VCO STATUS 0
AUDIO/VIDEO ADJUST MODE
A231:SDI ENC1 VCO
*
Auto Adjusting ...
SDI ENC1 VCO
VCO STATUS 0
AUDIO/VIDEO ADJUST MODE
A231:SDI ENC1 VCO
*
Auto Adjust Complete
Remarks
SDI ENC1 VCO
VCO STATUS 1
BKNW-118
BKNW-124
* A2F:NV-RAM CONTROL
Time data display area
MANUAL
74
[JOG] + DIAL (2)
(1) 0
PUSH SET
74
(2) 0 [SET]
PUSH SET
00
0
(omitted)
0
PUSH SET
5C
(3)
Check
0
[MENU]
(4)
0
[MENU]
(5)
0
Data save
0
DNW-A75/A75P