Sony BVH-2000, Operation And Maintenance Manual

Page: 423 / 505

2. When the overlap C is less than the specified value
(see Fig. 10-26);
a.
Loosen the stopper, then loosen four screws
marked ~.
b. While pushing the movable guide assembly against
the head drum assembly, move it in the direction
of the arrow CWo
C.
Tighten four screws marked ~ and check the
overlap
d. After performing the adjustment, turn the stopper
clockwise, press it against the movable guide
assembly and tighten the screw.
is
1. Loosen screw N shown in Fig. 10-28 1/2 to 1 turn.
Note: Do not loosen screw M.
2. Adjust by turning the setscrew driven into the
taper guide.
Note:
When the setscrew is turned 10
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 guide assy against the tip of the
setscrew by hand.
Note:
When pushing the entrance slant guide, do
not use a screwdriver.
3. Tighten screws Nand M the entrance slant
guide 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.
S. Check the overlap again by performing Steps 4 and
5 in Check procedure.
Repeat
Steps 1 to 5 untill the specified value is
obtained.
I-
Z
w
~
Z
(9
-l
«
~
w
l-
(/)
>-
o:
I
I-
«
0-
w
0-
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I-
ei
• When overlap B is out of the specified value;
1. Loosen screw P shown in Fig. 10-29 1/2 to 1 turn.
Note:
Do not loosen screw Q.
2. Adjust turning the setscrew driven into
post 3.
Note: When the screw is turned 10 degrees,
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:
exit
do
screwdriver.
10-22
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 mm or more.
S. Check the overlap again by performing Steps 4 and
5 in Check procedure.
Repeat
Steps
1
to
5
until the specified value is
obtained.
SETSCREW
Fig. 10-28. Overlap C Adjustment
0.09
mm or more.
Fig. 10-29. Overlap 8 Adjustment
BVH-2000(U/C)/PS/PM
BVH-2180(U/C)/PS/PM
BVH-2500(U/C)/P