Sony HDV HVR-1500 Service Manual page 121

2. Removing the head cleaner assembly
(1) Disconnect the harness from the connector
(CN11) on the DR-428BG board with
tweezers.
(2) Remove the two precision screws, and
remove the head cleaner assembly in the
direction of the arrow.
3. Replacing the drum assembly
(1) Remove the three precision screws, and
remove the drum assembly from the MD
chassis.
n
Take care not to contact the drum assembly
to the peripheral tape guides.
(2) Clean the installation surfaces of a new drum
assembly and MD chassis with a cleaning
cloth moistened with cleaning fluid.
(3) Put the five flexible card wires into the hole
on the MD chassis, and align the two posi-
tioning pins on the MD chassis with the holes
of the drum assembly.
(4) While moving the drum assembly in the
direction of the arrow (counterclockwise
direction), tighten the three precision screws
in the order of a, b, c.
Tightening torque : 0.1 N.m {1 kgf.cm}
HVR-1500
Precision screw
P1.4 x 3.5
CN11
Precision screw
P1.4 x 3.5 c
Precision screw
P1.4 x 3.5 b
Positioning hole
Drum assembly
Cleaning
Positioning pin
Head cleaner assembly
Precision screw
P1.4 x 3.5
Precision screw
P1.4 x 3.5 a
Positioning hole
Positioning pin
Cleaning
Hole
6-5