Sony HDV HVR-1500 Service Manual page 177

Replacement
1. Removing the head cleaner assembly
Remove the head cleaner assembly.
(Refer to Section 6-20.)
2. Replacing the head cleaner solenoid
(1) Remove the two screws and two washers on
the back side of the head cleaner assembly.
(2) Remove the solenoid with the spring on it.
(3) Remove the compression coil spring from the
solenoid.
(4) Fit the compression coil spring on a new
solenoid's iron core.
(5) Pull out the iron core until a recess comes in
sight, then fix the solenoid to the head cleaner
assembly.
(6) Align the two holes in the solenoid with the
two slotted holes in the HC base assembly
and fix temporally with the two screws and
two washers.
n
Tighten the screws just enough to move the
head cleaner solenoid.
(7) Adjust the solenoid position to meet the
specification of the clearance between the slit
portion of the head cleaner base assembly and
the tip of the HC slider under the condition
that the iron core comes to the pull-in state by
being pressed in the arrow direction, then
tighten the two screws.
Tightening torque : 0.2 N.m {2 kgf.cm}
3. Reattaching the head cleaner
assembly
Reattach the head cleaner assembly.
(Refer to Section 6-20.)
4. Checking the performance of the head
cleaner assembly
Check the performance of the head cleaner
assembly. (Refer to Section 6-20.)
HVR-1500
Head cleaner base
assembly
Slotted hole
Washers
PSW2.6 x 4
Head cleaner assembly
HC slider
Iron core
Slit portion HC slider
Specification : 1.5 to 1.8 mm
Solenoid
Recess
Iron core
Compression
coil spring
Solenoid
Head cleaner
base assembly
6-61