7-72
HDW-750/750CE V1
7-21. S-Tension Regulator Assembly Replacement
Overview
Replacement
Moving the S3 tape guide
Removing the S-tension regulator band assembly
Removing the end sensor assembly
Removing the S-tension regulator assembly
Installing the S-tension regulator assembly
Installing the S-tension regulator band assembly
Installing the end sensor assembly
Cleaning of tape guide of S-tension regulator arm (S5)
Moving the S3 tape guide
Adjustments after replacement
S-Tension regulator operating position adjustment
FWD back tension adjustment
Tape run adjustment
Capstan add-on recording adjustment
Preparations
1.
Turn off the main power.
2.
Remove the front lid and outside panel assembly. (Refer to Section 1-4.)
3.
Remove the cassette compartment. (Refer to Section 1-9.)
4.
Check that the unit is in the unthreading-end state.
Tools
.
Torque screwdriver bit (for M1.4) :
J-6325-110-A
.
Torque screwdriver (for 3 kg) :
J-6325-400-A
.
Torque cassette (FWD back tension) :
J-6323-890-A
.
Cleaning cloth:
3-184-527-01
.
Cleaning fluid:
9-919-573-01
Note
The S-tension regulator assembly has the built-in plate spring
*
and requires periodic
applying grease.
Refer to Section 2-2-4 for applying grease to the plate spring.
*
: Depending on the time of production at the factory, the S-tension regulator assembly does not have the
built-in plate spring in some sets.
7-21. S-Tension Regulator Assembly Replacement