Sony SRW-5000, Руководство по обслуживанию, Страница: 279 / 438

5-73
SRW-5000/5500
A
B
Threading ring assembly
T tension regulator
assembly
Roller
Arm
PWH
3
x 8
CN207
Harness clamp
Positioning boss
Harness
DT-47 board
Positioning hole
Positioning hole
Threading ring assembly
T tension regulator
assembly
TR-120 board
Arm
Positioning boss
Arm shaft
T Tension Regulator Assembly Operation
Attach the T Tension Regulator Assembly
Installation
6. Attaching the T Tension Regulator
Assembly
(1) Align the two positioning boss of the T
tension regulator assembly with the position-
ing holes of the MD base assembly and
install it.
n
Match the position while setting the mount-
ing screw hole as a reference.
(2) Tighten temporarily the two screws to fix the
T tension regulator assembly.
(3) While keeping apart the threading ring
assembly by pushing the arm to the arrow
direction and slightly press the arm shaft
from above with fingers, confirm that the
positioning boss is securely within the
positioning hole of the M base assembly and
fasten with two screws.
(4) Connect the harness to the connector CN207
on the TR-120 board.
(5) Fasten the harness connected to the TR-120
board together with the and harness connected
to the DT-47 board with the harness clamp.
n
Be careful that harnesses does not contact
with the moving section of the regulator.
7. Confirming the T Tension Regulator
Assembly Operation
(1) Turn the M gear of the gear box assembly to
let the threading end state.
Confirm the following items at this time.
.
The arm of the T tension regulator assem-
bly is set at the regulated position. (Refer to
Section 5-1-2.)
.
The arm will smoothly return when fingers
are released after the arm is lightly pressed
in the arrow A direction with fingers.
.
The arm will move to the threading ring
assembly with no contact when lightly
pressed in the arrow B direction with
fingers.
(2) Confirm that the roller of the T tension
regulator assembly does not come off from
the threading ring and operates normally.
If the above items cannot be satisfied, remove and
attach the T tension regulator assembly again.