Check, Adjustment And Replacement; Drum Assembly - Sony DCR-TRV725E Service Manual

4. Check, Adjustment and Replacement

Note: For removal procedure of the cabinets, printed wiring boards and other parts, refer to "DISASSEMBLY" of the Service Manual of the respective
models.

4-1. Drum Assembly

1. Removal procedure
1) Remove the three screws (drum fitting M1.4 × 2.5) 1 fixing
the drum and remove the drum.
Drum (rear view)
Hole (reference hole B)
Hole (reference hole A)
Reference pin A
1 Three screws
(drum fitting M1.4 × 2.5)
2. Attachment procedure
1) Align the two reference holes A and B on the rear of the drum
with the reference pins A and B of the drum base assembly.
2) Attach the drum with the three screws (drum fitting M1.4 ×
2.5) 1 in the order of A, B and C.
Tightening torque: 0.078 ± 0.01 N•m (0.8 ± 0.1 kgf•cm)
3) Clean the drum while referring to 2-1.
4) Adjust the tape path. (Refer to "4. Tape Path Adjustment".)
Note: Do not touch the outside circumference.
Drum
B
C
A
Fig. 4-1.
— 14 —
Reference pin B
Drum base assembly