5-14 DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
4. Video Tracking Re-check
Perform the steps 1 and 2 of the check procedures
and re-check the video tracking.
5. Tape Running Check
Check the tape running condition (drum entrance
side) according to section 5-1.
n
After adjustment, be sure to set the switch S1-2
on the HN-260 board to the OFF.
Drum exit side
6. Tracking Adjustment Drum Exit Side
(1) Play back ZR2-1/P (from 00 minute to 15
minute segment).
(2) Loosen the set screw at the top of the T2
guide using the tape guide adjustment
screwdriver.
(3) Turn the upper flange of the T2 guide
counterclockwise using the tape guide
adjustment screwdriver so that the RF
waveform 1.5 peaks are obserbed on scope.
Check that the clearance exists between
lower flange of the T3 guide and lower
edge of the tape. If no clearance exists,
adjust height of the T3 guide.
(4) Check that no clearance exists between
upper flange of the T2 guide and upper
edge of the tape.
(5) Turn the upper flange of the T2 guide
clockwise so that the RF waveform be-
comes almost flat.
(6) Set the switch S1-2 on the HN-260 board to
ON. This setting enables the tracking
control adjustment.
(7) Play back ZR2-1/P (from 00 minute to 50
minute segment).
(8) Turn the tracking control so that the RF
waveform is 80% of the maximum output
level.
(9) Turn the upper flange of the T2 guide and
fine-adjust height of the T2 guide so that
the RF waveform is flat and satisfies the
specifications 1.
(10) Tighten the set screw at the top of the T2
guide.
(11) Loosen the set screw at the upper flange of
the T3 guide. Turn and adjust the upper
flange so that the tape runs not while
maintaining contact with the upper and
lower flanges.
(12) Tighten the set screw at the top of the T3
guide.
5-2. Video Tracking Adjustment