Pinch Arm Assembly, Torsion Spring (Tg7Ld), Pinch Press Arm And Eject Arm; Gl Block Assembly, Gl Driving Gear And Hc - Sony DSR-PD170 Service Manual

2-2-8.

Pinch Arm Assembly, Torsion Spring (TG7LD), Pinch Press Arm and Eject Arm

Remove the
"2-2-1. Tape Fall Stopper"
"2-2-3. Damper Assembly and Cassette Compartment Assembly"
"2-2-4. Reel Table (S) / Reel Table (T) Assembly"
"2-2-5. Cassette Base Block Assembly, Gooseneck Gear Assembly
and Relay Gear"
"2-2-6. TG1 Arm Assembly, TG1 Adjustment Plate Assembly
and TG7 Arm Block Assembly"
and "2-2-7. Brake Slider Assembly and Pinch Slider Assembly"
Removing method: Remove in the order of 1,2,3,4.
Attaching method: Attach in the order of 4,3,2,1.
(Be sure to adjust the position and phase.)
Details diagram on attachment of pinch arm
assembly and torsion spring (TG7LD)
Attach so that the roller is in front of TG6.
Pinch arm (Bottom side)
Temporarily attach the spring.
2-2-9. GL Block Assembly, GL Driving Gear and HC Driving Arm
Remove the
"2-2-1. Tape Fall Stopper"
"2-2-3. Damper Assembly and Cassette Compartment Assembly"
"2-2-2. Drum Assembly and Drum Base Block Assembly"
"2-2-4. Reel Table (S) / Reel Table (T) Assembly"
"2-2-5. Cassette Base Block Assembly, Gooseneck
Gear Assembly and Relay Gear"
"2-2-6. TG1 Arm Assembly, TG1 Adjustment Plate
Assembly and TG7 Arm Block Assembly"
"2-2-7. Brake Slider Assembly, Pinch Slider Assembly
and Cam Gear"
and "2-2-8. Pinch Arm Assembly"
Removing method: Remove in the order of 1,2,3,4.
Attaching method: Attach in the order of 4,3,2,1.
(Be sure to adjust the position and phase.)
After attaching all the parts, refer to the flowchart on page 6-51,
and perform the adjustments from Starting adjustments-1.
NG
TG6
Pinch arm
DSR-PD170/PD170P/PD190P
Eject arm
4
Details diagram on adjustment or position and
phase
Details diagram on adjustment of
position and phase
GL block assembly
When attaching the GL block
assembly, each coaster must be
in contact with the end of the
guide rail.
Be careful not to touch the tape
guide ( part).
GL driving gear
4
Rotary encoder
Refer to 3-13. for details on
how to replace assemblies
such as the guide rail.
6-45
Screw tightening torque tolerance.
0.0098 N.m (0.1 kg.cm)
Pinch arm assembly
1
Pinch press arm
3
2
Torsion spring
(TG7LD)
Attach so that this hole
overlaps with the hole of
the chassis.
Attach so that the eject arm
and switch engage.
Attach so that the
pin of the arm fits
the part.
1
Screw
2
Guide rail
HC driving arm
GL block assembly
tightening torque
0.0686 N•m (0.7 kg•cm)
3