Sharp VL-E680U - Mechanism Adjustment; Items and Timings of Inspection and Maintenance; Adjustment of Mechanism Tape Travel System; Adjusting the si Roller Height

VL-E63olJ/l
VL-E68ou
VL-E685U/T
5.
MECHANISM
ADJUSTMENT
5-2.
Items and
timings
of inspection and maintenance
5-2-l. Inspection
and maintenance list
-
Remarks
I
CheckingIvlaintenance point 5oo
t-
Usag
E
1,000
,
!
time
1,5oc
hrs.)
Possible symptom
?,OOO 3,000
encountered
cl
cl
l
Lateral
noise
l
Unclean head
l
Screen shaking
cl
cl
no 00
l
Improper S/N ratio
l
No color appears.
* *
l Tape does not run.
l
Tape
slackens.
q
o q
l
Screen
shakes.
0 0
A A
l Abnormal sound
Cl
0
q
-
q
-
-
Rollers
l
If abnormal rotation or
deflection
(signifi-
cant)
is found,
replace
the roller.
Other
than
rollers
*Clean the tape con-
tacting areas. Besure
to use
the
specified
cleaning agent.
.
Replace if failure is
found.
Timing belt
Pinch
roller
Capstan D.D. motor
Relay
Pulle shaft
Pulle gear shaft
Drive gear shaft
cl
-
-
-
A
A
l-l
l
Apply oil.
(Oil:
Note:
)
After oil is applied to
the drive
gear shaft,
slightly wipe it off with
swab.
I
I
l
Not ejectable
l Replace if failure (ab-
*o 90
l
The specific mode can-
normal sound) is de-
not be set.
tected.
l
If conformance to the
standard is not en-
sured, replace part.
Abnormal sound
sr
PBNS-REW take-up torque
-
PBNS-REW back tension -
torque
Tu brake
-
HC (Head Cleaner)
-
I
I
1
* *
I I
I
I
*
0
*
I * I
I I
0 : Replace.
0
: Clean.
A :
Apply oil.
+
:
Check.
Oil:
Grease: MORYCOAT YM-103/X5-6020
Screw locking agent: THERE BOND 1401 B
Cleaning liquid: Industrial-use ethyl alcohol
5-4. ADJUSTMENT OF MECHANISM TAPE TRAVEL SYSTEM
5-4-3. Adjusting the Si roller height
(2) Adjusting the Si roller
1 Playback the tape such to set the V/SR mode.
4