Samsung VP-D455 Service Manual page 25

3-4-4(b) Back Tension Confirmation
1) Set up the cassette-torque tape.
2) Set to CAMERA mode, push the EDIT(+) KEY and check that the torque value of Reel S is 5.5±1g.cm.
3) If necessary, proceed to step 4.
4) If the Tension value is Low specified, moved to toward "a".
If the Tension value is High specified, moved to toward "c".
Reference : After changed, insert Cassette torque tape and confirm torque value.
3-4-4(c) PB/REV Torque check
1) Set up the cassette torque tape.
2) Set to CAMERA mode, Push the EDIT(+) button and check that the torque value of Reel T is 9±3g.cm.
3) Push the EDIT(-) button and check that the torque value of Reel S is 15±3g.cm.
4) If necessary, replace the defective Reel Disk S, T Ass'y.
3-4-4(d) Reel Table Height Check
1) Removal
ΠFor the removal of the Housing Ass'y refer to 4-2-2 (page 4-6).
´ For the removal of the Idler Ass'y refer to 4-2-3 (page 4-7).
2) Check
ΠUsing vernier calipers, check the following distances : From the upper surface of the Sub Chassis to the
resting surfaces of Reel S, T table should each be 3.9±0.1mm.
3) Mounting
ΠFor the removal of the Idler Ass'y refer to 4-2-3 (page 4-7).
´ For the removal of the Housing Ass'y refer to 4-2-2 (page 4-6).
REEL DISK S TABLE
RESTING SURFACE
Samsung Electronics
Fig. 3-18
CHASSIS SUB
Fig. 3-19
Alignment and Adjustments
REEL DISK T TABLE
RESTING SURFACE
3-15