Sharp VL-PD1U

VL-PDl U
6. INSPECTION AND MAINTENANCE ITEMS ‘AND INTERVALS
In order to keep the mechanical section always in good condition, perform the following inspection and maintenance at
regular intervals. In addition, after repair, perform the following maintenance items regardless of how long the user has
been using the unit.
6-l. List of inspection and maintenance items
Inspection and
maintenance location
Tape running section
(see section 8-1)
E -
a,
5
?Y
F
.-
Drum section, Video head
E
3
(see section 8-1)
:
%
I-
Timing belt
Pinch roller
Capstan motor
Swing arm
S reel base, Tu reel base
Time of use (h)
Symptoms that indicate
Remarks
500 1,000 1,500 2,000 3,000 need for maintenance
0 cl cl 0
0
l Block-type noise <Rollers>
l Head hole clogging l Replace if there is anything
l Tape damage abnormal in the rotation, or
if there is run-out (that
Note:
becomes large).
17
III 0
c] 0
Replace the drum ass’y if <Other than the above>
the video head is cleaned l Clean the section that
but the envelope is not
contacts the tape (espe-
still appeared. (When the
cially the lower drum helical
envelope is normal, refer
section). Use the specified
to “11. USEFUL TIPS”.)
cleaning liquid.
- *o -
* 0 * 0 l The tape fails to run.
l Replace if there is anything
l The tape becomes abnormal.
0 0
0 00 0
slack.
0
0
0
l Block-type noise
l Abnormal noise
- *o
- *o *o
E Center pulley shaft
a,
Intermediate pulley shaft
g Swing arm boss
v)
?
Intermediate gear A shaft,
.-
6
intermediate gear B shaft
Tension-arm shaft
A - A A *Abnormal noise
l Lubricate with oil.
10 11
i
Cosmo Hydro HV22
. . . .
Excepting intermediate
gear A and B
a
A - A A l Tape damage
Cosmo Hydro HVIOO
“”
Intermediate gear A
l Abnormal played-back
and B
image
Note: Apply oil to the shaft,
then wipe lightly with a
cloth.
Loading motor
- *o -
* 0 * 0 l Cannot eject.
l Replace if anything is abnormal
Mode switch
l Fails to enter a mode. (including the noise).
Abnormal noise
Y
* * * * * *The tape fails to run.
l Replace any part that fails
8
5
PBVS/REW winding torque - * - * *
l The tape becomes to perform within the
slack. standard.
$
PB . VS/R l loading back ten- - * - jt *
l Tape damage
S
sion
l The play-back image is
E
abnormal.
;5
Tu reel base ratchet torque
‘t
I?
S reel base no-load torque
AHC
0
0
0
[Oil] Cosmo Hydro HV22, HVlOO
[Screw lock] Three Bond 1401B
[Grease] Moly Coat YM-103
[Cleaning liquid] Industrial-use ethyl alcohol
0 l l l Replace.
0 l l l Clean. A. l l Lubricate. 1r0 l l Check.
61
I