Sony BVW-55 Maintenance Manual page 200

2-2. TAPE Maintenance Mode (M0)
2-2-4. AUDIO/VIDEO ADJUST Mode (A2)
To execute the automatic adjustment
(1) Display "Auto (Push SET Button)" on the LCD
monitor and "PUSH SET" in the sub LCD referring to
the "Change of adjustment mode" on page 2-23.
(2) The automatic adjustment is executed when the SET
button is pressed.
. The display on the LCD monitor changes to "Auto
Adjusting...". The displayed data value also
changes.
The display in the sub LCD does not change.
(3) Confirm the automatic adjustment completion and
VCO status on the LCD monitor.
. Message "Auto Adjust Complete" is displayed
when the automatic adjustment is completed.
n
A slight time difference may occur from when
message "Auto Adjust Complete" is displayed until
the VCO status is displayed as "1".
n
Refer to the "For Automatic Adjustment Failure"
below when message "Auto Adjust Failure" is dis-
played.
(4) To terminate the menu, press the MENU button.
To execute the automatic adjustment again in this
menu, return to step (2).
(5) To save the adjustment data in NV-RAM, execute
SAVE ALL ADJUST DATA in an A2F : NV-RAM
CONTROL menu.
To return the adjustment data to the state before
adjustment, execute ALL DATA PREVIOUS in an
A2F : NV-RAM CONTROL menu.
For automatic adjustment failure
It can suppose that there is something wrong with the SDI-
23 board.
Caution during manual adjustment
When performing the manual adjustment, set the adjust-
ment data to 27.0 ± 0.1 MHz at TP700 on the SDI-23 board
(for A231 : SDI ENC VCO) or at TP200 on the SDI-23
board (for A232: SDI DEC VCO) using the frequency
counter.
n
For the manual adjustment, refer to the "To change the
adjustment data manually" on page 2-21.
2-24
Example of display and operation
Example of A231 : SDI ENC VCO
LCD monitor
AUDIO/VIDEO ADJUST MODE
A231:SDI ENC VCO
*
Manual
SDI ENC VCO 74
VCO STATUS 0
(1) 0 [Search] + DIAL (2)
A231:SDI ENC VCO
*
Auto (Push SET button)
SDI ENC VCO 74
VCO STATUS 0
(2) 0 [SET]
A231:SDI ENC VCO
*
Auto Adjusting ...
SDI ENC VCO 00
VCO STATUS 0
0
(omitted)
0
A231:SDI ENC VCO
*
Auto Adjust Complete
SDI ENC VCO 5C
VCO STATUS 1
(3)
Confirm
0
[MENU]
(4)
0
[MENU]
(5)
0
0 Data save
* A2F:NV-RAM CONTROL
Sub LCD
MANUAL
PUSH SET
PUSH SET
PUSH SET
BVW-55 P2