2-32
Measuring
Measuring point (
*
)
No. Item instruments & Mode
Adjustment parts (
-
)
Adjustment procedure
Input signals
Adjustment level (
+
)
1 SUP backup
torque
adjustment
• Cassette torque
meter
Play (1) nsert the cassette torque meter and enter play
mode.
(2) The supply backup torque should be as speci-
fied. (If it fluctuates, read the center value.)
(3) If it is out of specification, eject the tape, re-
move the cassette housing, loosen the screw
(black) slightly and fine-adjust the band holder.
Slightly turn the band holder as follows.
⋅ To increase torque: Counterclockwise
⋅ To decrease torque: Clockwise.
* Supply side indica
tion of cassette
torque meter
+ 3.9 x 10
-4
N m
(4.0 gf cm)
2.11 TORQUE ADJUSTMENTS
+1.5
-0.4
NOTE
The screw securing torque should be 0.0588
N-m (0.6 kgf⋅cm).
4) Check the supply backup torque again and re-
peat the above steps until it becomes as speci-
fied.
2 TU torque
check
• Cassette torque
meter
Play (1) Insert the cassette torque meter and enter play
mode.
(2) Ensure that the take-up torque is as specified.
If it is out of specification, check the assem-
bly of the reel drive parts and the center gear
assembly.
* Take-up side
indication of
cassette torque
meter
+ 4.9 x 10
-4
N m
(5.0 gf cm)
+3.92
-1.96
+4.0
- 2.0
Tension arm
Band arm plate
Screw (Black)
Band
holder
Counterclockwise
Clockwise
+1.47
-0.39
2-31
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