JVC GY-DV500U Service Manual page 49

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No.
Item
8
<Tension arm sub-assembly position adjustment>
Notch on tension arm
Tension arm
Band arm plate
Counterclockwise
2-17
2-18
Reference picture/drawing
Position alignment point
Notch on tension arm
Turn the tension arm
in the clockwise direction.
Joint between the tension arm
and band arm plate
(must not rattle here.)
Screw
B (Black)
direction
Band holder
Clockwise
direction
Fig. 2-7-8(d)
Procedure
1) Without loading a tape, set the mechanism mode
to PLAY mode.
To switch the mode, rotate worm wheel 2 while the
motor bracket assembly is disengaged (see 2.2,
"Mechanism Modes").
2) Rotate the tension arm slightly clockwise to elimi-
nate production of rattle with the band arm plate.
3) Ensure that the notch on the tension arm is located
within area A. (See Fig. 2-7-8(e).)
4) If the tension arm is not located in area A, loosen
screw B (black) lightly and fine-adjust the position
of the band arm plate assembly. Turn the screw
counterclockwise to move the tension arm extrem-
ity toward the right or clockwise to move it toward
the left.
5) After the adjustment, clamp the band holder by
tightening screw B (black) (with a securing torque
of 5.88 Nm, or 0.6 kgf-cm). Then adjust the ten-
sion arm position again.
A
OK (Lower limit)
OK (Center)
OK (Upper limit)
Fig. 2-7-8(e)
No Good
No Good

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