Sony BVH-2000, Operation And Maintenance Manual

Page: 422 / 505

FENCE
SETSCREW C
SETSCREVV D
Fig. 10-26. Overlap Adjustment
CW
Check
1. Connect the oscilloscope to TP 1 on EQ-02 board and
VIDEO OUTPUt connector.
2. Thread a tape.
3. Set HEAD selector
Record a
5. Play back the recorded segment and check that overlap
Band C is within the range shown in Fig. 10-25.
Adjustment
the entrance slant guide the whole
assembly of the movable guide has been moved,
check that the clearance between upper drum and
fence, referring to Fig. 10-27-2. For the adjust-
ment, refer to section 3-8-1.
the exit guide assembly the whole
assem bly of the movable guide has been moved,
check that the clearance between upper drum and
guide post, referring to Fig. 10-27-2.
When the of B C is following
value and the
soecineo
value.
For NTSC, PM: 21
usee
or more
For PS: 287
usee
or more
1. When the overlap B is less than the specified value
(see 1
a. Loosen four marked {;:{.
b. While pushing the movable guide assembly light-
ly to the head drum assembly, move it in the
direction of the arrow CCW.
c. Tighten four screws marked (;:{and check the
overlap
d. After performing the adjustment, turn the stopper
clockwise, press it against the movable guide
assem bly and tighten the screw.
Note: When moving the movable guide assembly mm
of head
the
usee.
BVH-2000{ U/C) IPS/PM
BVH-2180{U/C)/PS/PM
THICKNESS GAUGE
------J
0.10-mm-gauge: pass
0.20-mm-gauge: not pass
\
~\
\
FENCE
THICKNESS GAUGE
0.08-mm-gauge: pass
I -rTlrn-UaIJ,UH'
not pass ~
GUIDE FLANGE
10-27-2. Checking Gap near to Slant Guide Assy
10-21
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