Mechanism Adjust Mode (A4) - Sony DNW-A75 Maintenance Manual

4-2. TAPE Maintenance Mode (M0)

4-2-12. MECHANISM ADJUST Mode (A4)

4-2-12. MECHANISM ADJUST Mode (A4)
The A4 : MECHANISM ADJUST mode is used to adjust
the mechanism. This mode contains the one menu below.
A4 : MECHANISM ADJUST
A40 : PATH MODE SEL
Menu Tree of MECHANISM Adjustment Mode
4-78
A40 : PATH MODE SEL
MECHANISM ADJUST MODE
A40:PATH MODE SEL
*
Switcning PB
This menu sets the PB mode for confirming and adjusting
video tracking. Switching PB and full PB modes are
available for setting.
A PB signal is output to the test point (TP106) on the SS-
83 board by the REC head when the tape is played back
with this menu opened. (The signal output from this test
point becomes an envelope waveform.)
In the switching PB mode, only the data area (helical track)
based on an SX format is played back.
In the full PB mode, the overlap portion before and behind
the data area based on an SX format is played back.
The switching PB mode is always set when the menu is
opened.
PB mode setting
To set the PB mode, turn the search dial while pressing the
JOG button and display the desired setting.
Menu operation
A white square is displayed in the upper-right position of
the superimposed display when the SET button is pressed
after the switching PB and full PB modes are set. The unit
then enters the ordinary operation state (in which the
ordinary operation of this unit except a menu system can
be performed.)
In this state, play back the specified alignment tape, and
confirm and adjust the video tracking.
However, character information (time code or operation
status) superimposed during ordinary operation is not
displayed.
To return to the former state, press the MENU button.
n
For the video tracking confirmation and adjustment, refer
to "4-1-3. Video Tracking Confirmation and Adjustment"
in the maintenance manual part 2, volume-1.
DNW-A75/A75P