S-Tension Regulator Assembly Replacement - Sony HDW-750 Maintenance Manual

7-21. S-Tension Regulator Assembly Replacement

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) :
. Torque screwdriver (for 3 kg) :
. Torque cassette (FWD back tension) : J-6323-890-A
. Cleaning cloth:
. Cleaning fluid:
Note
The S-tension regulator assembly has the built-in plate spring
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.
7-72
J-6325-110-A
J-6325-400-A
3-184-527-01
9-919-573-01
*
and requires periodic
HDW-750/750CE V1