Sony Betacam SX DNV-5 Maintenance Manual page 65

8. Brush assembly installation
(1) Fix the brush assembly temporarily to the
brush support with the screw shown in the
figure.
(2) Move the brush base at the top of the brush
support in the direction indicated by the
arrow while pushing it downward and fix the
other screw temporarily.
(3) Tighten the screws fixed temporarily in steps
(1) and (2).
[Tightening torque:
9x10
(4) Confirm that each brush touches the four
grooves of the slip ring two at a time.
n
The height of the brush and the contact
pressure with the slip ring are automatically
adjusted when steps (1) to (3) are performed.
(5) Connect the flexible card wire to the
connector CN5 on the HN-224 board.
9. Brush cover installation
Adjust the position so that the shaft of the slip
ring is in the center of the hole at the tip of the
brush cover. After that, install the brush cover
with two screws.
–2
[Tightening torque: 15x10
10. Head and tape running surface
cleaning
Clean the portion below with cleaning cloth
moistened with cleaning fluid.
(DNV-5: Refer to section 5-1-2 and 5-1-3 in Part 1
of the Maintenance Manual.)
(DNW-7/7P/90/90P/90WS/90WSP:
Refer to section 6-1-2 and 6-1-3 in Part 1
of the Maintenance Manual.)
. Video head
. Upper drum tape running surface
. Lower drum lead and tape running surface
n
After cleaning, wipe with dry cloth.
DNV-5
DNW-7/90/90WS
http://getMANUAL.com
–2 N.m (0.9 kgf.cm)]
N.m (1.5 kgf.cm)]
Brush assembly
Flexible card wire
CN5
HN-224 board
3-2-1. Upper Drum Assembly Replacement
Screw (PSW1.4 x 3)
Brush base
Temporarity fasten
this screw first.
Brush support
Brush Slip ring
3-15