Sony BVH-2000, Руководство по эксплуатации и обслуживанию

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Reel Table Height
Ad.
justment
27. Thread a recorded tape free of wrinkles and damages.
Confirm that the tape has no strong contact with the reel
Confirm
REW mode. If there should be strong contact, adjust
the When
position other than the reel flange, adjust according to
section 3-24-2.
28. to
a. Remove the tape, cover. and reel washer.
b. Loosen the two set the
and turn the height adjustment screw shown in
20.
height by 0.7 mm.
Note 2: Turn the screw as follows.
· If the tape contacts the upper turn
the screw clockwise.
the screw counterclockwise.
c. While pushing the reel table lightly against the motor,
hight of the reel table according to step 27, and then
install
FG
29. Adjust as follows so that the motor FG duty cycle in FWD
3 times normal 50%.
CD
Thread a recorded tape.
G)
Turn on the power. Set S4 (TEST -1) switch on the CD-
17 "'1",
least 0.5 sec.
(}) Connect an oscilloscope to TP3 on the RL-12 board,
and set the macrnne
mode.
Confirm of
50%. If necessary, adjust RV2.
(1)
Connect the oscilloscope in the same way to TP 14 of
the
FWD 3 times normal speed mode is 50%. If necessary,
RV4.
®
Set the switch S4 on the CD-I7 board to "'0", and
depress the switch S7 for at least 0.5 sec. (This cancels
(j)
Remove the tape.
BV H -2000 (U /C) IPS/PM
BVH-2180(U/C)/PS/PM
BVH-2500(U/C)/P
HEIGHT ADJUSTMENT SCREW
(at the inside of this hole)
Fig. 3-20. S Reel Table Height Adjustment
CD-17 BOARD
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A=B
3-21. S Reel Motor FG Duty Cycle Adjustment
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