Sony DNW-A75 Maintenance Manual page 139

A010 : CAPSTAN FREE SPEED
This menu is used to perform the automatic adjustment of
a capstan free speed.
n
It is necessary to perform this adjustment in both 525/60
and 625/50 systems for both Betacam SX and Betacam SP
formats.
To execute the adjustment menu
(1) Insert an alignment tape matched with each system and
format.
For 525/60 system: SR2-1 (Betacam SX format)
CR2-1B (Betacam SP format)
For 625/50 system: SR2-1P (Betacam SX format)
CR2-1B PS (Betacam SP format)
. The adjustment is initiated on inserting the align-
ment tape.
. During the automatic adjustment, a message
"ADJUSTING......" will be displayed on only the
superimposed display.
m
. Be sure to use the specified alignment tape.
If the specified alignment tape is not used, the
adjustment cannot be properly performed even if a
message "ADJUST COMPLETE" is displayed on
completing the adjustment.
. To complete the check, the inserted alignment tape
requires the continuous playback-able portion more
than a check execution time.
The adjustment execution time is usually about
fifteen seconds.
(2) Check the adjustment result.
. On completing the automatic adjustment, the
message "ADJUST COMPLETE" will be displayed.
If the automatic adjustment fails, a message "#
ADJUST INCOMPLETE #" will be displayed. In
this case, refer to the "For Automatic Adjustment
Failure (A000 to A011)" on page 4-51.
(3) To exit the menu, press the MENU button once.
(4) To save the adjustment data into the NV-RAM of a
servo system, execute the SAVE SERVO ADJUST
DATA in A012 : NV-RAM CONTROL menu.
DNW-A75/A75P
Example of display and operation
For 525/60 system
SERVO ADJUST
A010:CAPSTAN FREE SPEED
( Now 525 system )
SET ALIGNMENT TAPE:
SR2-1 for SX
CR2-1B for BETACAM PB
(1) Insert SR2-1/CR2-1B
SERVO ADJUST
A010:CAPSTAN FREE SPEED
ADJUSTING......
SERVO ADJUST
A010:CAPSTAN FREE SPEED
ADJUST COMPLETE
(2)
(3)
(4)
* A012:NV-RAM CONTROL
n
*: This message is displayed when SV1 ROM version is
1.20 and higher. When it is earlier than 1.20, the
message "SET SR2-1 ALIGNMENT TAPE AND
PUSH PLAY KEY" is displayed. However, it is not
necessary to press the PLAY button.
4-2. TAPE Maintenance Mode (M0)
4-2-7. SERVO ADJUST Mode (A00-01)
For 625/50 system
*
SERVO ADJUST
A010:CAPSTAN FREE SPEED
( Now 625 system )
SET ALIGNMENT TAPE:
SR2-1P for SX
CR2-1BPS for BETACAM PB
(1) Insert SR2-1P/CR2-1B PS
0
0
Check
[MENU]
0
0
Data save
SERVO ADJUST
A010:CAPSTAN FREE SPEED
# ADJUST INCOMPLETE #
CAPSTAN SERVO TROUBLE
Ex.: When failing the automatic
adjustment
4-49
*