Sony BVH-2000, Operation And Maintenance Manual

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(Y)
2. When the overlap C is less than the specified value
(See Fig. 3-85).
a. Loosen the stopper, then loosen four screws
marked
fJ.
b. While pushing the movable guide assembly against
the head drum assembly, move it in the direction
of the arrow CW.
c. Tighten four screws marked
fJ
and check the
again.
d. After performing the adjustment, turn the stopper
clockwise, press it against the movable guide
assem bly and tighten the screw.
• When is out the ..........
L".", ..
+ ..
orll
Loosen screw N shown in Fig. 3-87.1/2 1 turn.
Note: Do not loosen screw M.
2. Adjust by turning the setscrew driven in to the
taper guide.
Note: When the setscrew is turned 10 degrees,
the overlap changes approx. 27 usee,
When the overlap must be increased, turn the
setscrew clockwise.
When the overlap must be decreased, turn the
setscrew counterclockwise and then push the
en trance slant assy against the tip of
setscrew by hand.
Note: When pushing the entrance slant guide, do
not use a screwdriver.
3. Tighten screws Nand M fixing the entrance slant
assy.
4. Turn the upper drum by hand and keep the head
away from the entrance slant guide assy.
Check by using the thickness gauge that the
clearance between the guide bracket and upper
drum is 0.09 mm or more.
5. Check the overlap again by performing Steps 4 and
5 in Check procedure.
Repeat Steps 1 to 5 untill the specified value is
obtained.
• When is out the value;
1. Loosen screw P shown in Fig. 3-88 1/2 to 1 turn.
Note: Do not loosen screw Q.
2. Adjust by turning the setscrew driven into guide
post 3.
When the screw is turned 10
the overlap changes approx. 55
usee.
When the overlap must be increased, turn the
setscrew clockwise.
When the overlap must be turn the
setscrew counterclockwise and then push the exit
slant guide assy against the tip of the setscrew by
hand.
Note: When pushing the exit slant guide, do not
use screwdriver.
3-88. Overlap B Adjustment
3. Tighten screws P and Q fixing the exit slant guide
assy.
4. Turn the upper drum by hand and keep the head
away from the exit slant guide assy.
Check by using the thickness gauge that the
clearance between the exit slant guide and upper
drum is 0.09 ± 0.01 mm.
5. Check the overlap again by Steps 4 and
5 in check procedure.
Repeat Steps 1 to 5 until the specified value is
obtained.
3-64
BVH-2000( U/C} IPS/PM
BVH-2180(U/C)/PS/PM
BVH-2500(U/C)/P