Tg7 Arm Block Assembly, Pinch Arm Assembly - Sony DCR-TRV725E Service Manual

4-11. TG7 Arm Block Assembly, Pinch Arm Assembly

1. Removal procedure
1) Remove the LS chassis block assembly. (Refer to 4-10.)
2) Remove the screw (camera pan2 M1.4 × 1.6) 1.
3) Remove the TG7 retainer 2 in the direction of the arrow.
4) Remove the TG7 arm block assembly 6 and TG7 arm spring
7.
5) Remove the pinch roller arm assembly 3.
6) Remove the P lim arm roller 4 and pinch arm load spring 5.
7 TG7 arm spring
PRECAUTION DURING
INSTALLATION
Rising metal
sheet
Temporarily fix the pinch arm load
spring to the rising metal sheet
of the LS chassis.
After attaching the pinch arm
assembly, release the temporarily
fixed pinch arm load spring.
Pinch arm road spring
TG7
retainer
LS chassis block
assembly
TG7 arm block
assembly
6 TG7 arm block
assembly
P lim
arm roller
TG7 arm
spring
Pinch arm
assembly
2. Attachment procedure
1) Attach the P lim arm roller 4 to the pinch roller arm assembly
3.
2) Insert one end of the pinch arm load spring 5 into the hole on
the rising metal sheet of the LS chassis block assembly, and
hook the other end of the spring on the position setting
protrusion of the LS-057 board.
3) Attach the pinch roller arm assembly 3 to the shaft of the LS
chassis block assembly, and hook the pinch arm load spring 5
on the rising metal sheet of the pinch roller assembly 3.
4) Hook the TG7 arm spring 7 on the shaft of the LS chassis
block assembly while the hook side of the spring is facing
downward.
5) When attaching the TG7 arm block assembly 6 to the shaft of
the LS chassis block assembly, hook the hook side of the TG7
arm spring 7 on the rising metal sheet of the LS chassis block
assembly and hook the top side of the spring to the notch of the
TG7 arm block assembly 6.
6) Attach the TG7 retainer 2 with the screw (camera pan2 M1.4
× 1.6) 1.
7) Remove the LS chassis block assembly. (Refer to 4-10.)
Tightening torque: 0.078 ± 0.01 N•m (0.8 ± 0.1 kgf•cm)
8) Clean the tape running path. (Refer to 2-2.)
1 Screw
(camera pan2 M1.4 × 1.6)
2 Remove the TG7 retainer in the
direction of the arrow.
3 Pinch arm assembly
Rising metal
sheet
LS chassis block
assembly
Fig. 4-11.
— 24 —
Pinch arm assembly
(rear view)
4 P lim arm roller
Be careful not to drop.
5 Pinch arm road spring
Location where grease is coated
Inside the top edge of the metal
When attaching it, coat the hatched
portion with grease.