S/T Slider Replacement - Sony BVW-55 Maintenance Manual

4-5. S/T Slider Replacement

4-5. S/T Slider Replacement
Outline
Replacement
VH cleaner assembly removal
Pinch arm assembly removal
Drum assembly removal
T tension regulator arm removal
Tension regulator band removal
S tension regulator arm removal
Full top sensor removal
S and T catchers removal
Threading link assembly removal
Slider replacement
Threading link assembly installation
S and T catchers installation
Full top sensor installation
Tension regulator band installation
T tension regulator arm installation
S tension regulator arm installation
Drum assembly installation
Pinch arm assembly installation
VH cleaner assembly installation
Adjustment after replacement
Tape running adjustment
Video tracking adjustment
CTL head position adjustment
AT head position adjustment
Precautions
. The four new stop washers and an E ring are required when replacing the S/T
slider.
E ring (for pinch arm assembly): 7-624-105-04 (2.3) x 1
Stop washer:
. The two parallel pins (d = 2.0 mm) are required as tools for gear phase adjustment.
Preparations
1. Put the unit into the unthreading end state.
2. Turn off the power.
3. Remove the upper frame.
(Refer to the maintenance manual Part 1, Section 1-6.)
4. Remove the cassette compartment.
(Refer to the maintenance manual Part 1, Section 1-7.)
4-16
3-559-408-11 x 4 (for S/T sliders, tension
regulator band, and T tension arm)
BVW-55 P2