Samsung VP-D20 Service Manual page 81

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 4.5±0.5g.cm.
4-4(c) PB/REV Torque check
1) Set up the cassette torque tape.
2) Set to CAMERA mode, Push the EDIT(+)Key and check that the torque value of Reel T is 7.5±3g.cm.
3) Push the EDIT(-) Key and check that the torque value of Reel S is 12.5±3g.cm.
4) If necessary, replace the defective Gear pully Ass'y.
4-4(d) Reel Table Height Check
1) Removal
ΠFor the removal of the Housing Ass'y.
´ For the removal of the Idler Ass'y.
2) Check
ΠUsing vernier calipers, check the following distances : From the upper surface of the PCB Reel 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.
´ For the removal of the Housing Ass'y.
REEL DISK S TABLE
RESTING SURFACE
Samsung Electronics
±
A, B : 3.9 0.1mm
B
A
CHASSIS SUB
Fig. 4-6
Alignment and Adjustments
REEL DISK T TABLE
RESTING SURFACE
4-5