Components Of Drum Assembly (Motor Fpc Assembly, Elastic Connector); Components Of Pinch Arm Assembly (Tape Retainer, Compression Coil Spring); Components Of Tg2/7 Arm Assembly (Et Magnet, Magnet Holder) - Sony DSR-25 Service Manual

DSR-25
3-22. COMPONENTS OF DRUM ASSEMBLY
(MOTOR FPC ASSEMBLY, ELASTIC CONNECTOR)
Disassembly/Assembly
Connect the elastic connector to the drum assembly and
attach the motor FPC assembly while aligning pin B with
hole C of the drum assembly. Fix the supporter plate with
the screws while being careful of pin A of the motor FPC
assembly.
3-23. COMPONENTS OF PINCH ARM ASSEMBLY
(TAPE RETAINER, COMPRESSION COIL SPRING)
Disassembly/Assembly
Compression coil spring
(tape retainer)
Pin
Claw
A
Claw
B
Claw and claw
A
fix the pinch arm.
Tightening torque of motor FPC assembly
0.0294 ± 0.0049N • m (0.3 ± 0.05 kg • cm)
Supporter plate (This component is
not supplied as an independent
repair part.)
Positioning pin
Note: Be careful not to get these parts dirty
Pinch arm assembly
C
Tape retainer
Push pin into
C
this position.
should
B
Screws
Positioning pin
B
Elastic connectors
Hole
C
Drum assembly
when handling them.Also, do not touch
the running side of the tape.
3-24. COMPONENTS OF TG2/7 ARM ASSEMBLY
(ET MAGNET, MAGNET HOLDER)
Disassembly/Assembly
TG2 arm assembly
Lock pin
ET magnet
Magnet holder
Remove the TG2 arm assembly and the TG7 arm assembly
in the direction of the arrow while pushing the lock pin of
the magnet holder from the rear of each TG arm. To attach
them, insert the TG2 or TG7 arm assembly in the direction
opposite to the arrow while holding the ET magnet with
the magnet holder, then hook the lock pin.
Magnet holder
5-22
A
Motor FPC assembly
TG7 arm assembly
Magnet holder
Lock pin
Do not touch the tape guide
( part).
TG arm
D
When attaching the magnet holder,
the lock pin should be fixed at a
position deeper than line
ET magnet
ET magnet
D