Torque Adjustments - JVC GY-HD100E Service Manual

Measuring
No. Item instruments &
Input signals

2.11 TORQUE ADJUSTMENTS

1 SUP backup • Cassette torque
torque meter
adjustment
Tension arm
Band arm plate
Counterclockwise
2 Take-up wind Cassette torque
torque meter
adjustment YTU94150A
2-26
Measuring point ( * )
Adjustment parts ( - )
Mode
Adjustment level ( + )
* Supply side indica
Play
tion of cassette
torque meter
+ 3.9
+1.47
x 10
-0.39
(4.0 +1.5 gf·cm)
-0.4
Screw (Black)
Band
Clockwise
holder
* Take-up side reading
PLAY,
Adjustment of cassette torque
menu No. 110 meter
+ 4.9
+4.90
x 10
-1.96
+5.0
(5.0 gf·cm)
- 2.0
Adjustment procedure
(1) Insert the cassette torque meter and enter play
mode.
(2) The supply backup torque should be as speci-
-4 N·m 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.
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.
1) Select adjustment menu [119. FWD TORQUE].
(For the adjustment menu, see 3.3, "Adjust-
ment menu".)
-4 N·m 2) Insert the torque cassette meter YTU94150A
and press the [PLAY] button.
3) Adjust the TU wind torque so that it is within
the specified range.
⋅ Press JOG dial to enter the adjustment mode.
⋅ To increase the torque → Rotate JOG dial to
⋅ To decrease the torque → Rotate JOG dial to
4) After adjustment, press JOG dial to store the
adjustment data.
the clockwise.
the counter-clock-
wise.