Sony DSR-2000A, Руководство по обслуживанию

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7-63
DSR-2000A/2000AP
Solenoid
HC slider
Iron core
Specification:1.5 to 1.8 mm
HC slider
Replacement
1. Removing the head cleaner assembly
Remove the head cleaner assembly.
(Refer to Section 7-21.)
2. Replacing the head cleaner solenoid
(1) Remove the two screws 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.
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 HC
roller arm 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 7-21.)
4. Checking the performance of the head
cleaner assembly
Check the performance of the head cleaner
assembly. (Refer to Section 7-21.)
Solenoid
Recess
Iron core
Compression
coil spring
Head cleaner base
assembly
Head cleaner assembly
Slotted hole
PSW2.6
x
4