MAINTENANCE/INSPECTION PR OCEDURE
2.Required Maintenance4.Supplies Required for Inspection and
Maintence
The recording density of a VCR(VCP) is much higher than
that of an audio tape recorder.VCR(VCP) components must
be very precise, at tolerances of 1/1000mm, to ensure com-(1)Grease :Kanto G-311G (Blue) or equivalent
(2)Isopropyl Alcohol or equivalent
patiblity with other VCRs .If any of these components are
worn or dirty, the symptoms will be the same as if the part is(3)Cleaning Patches
(4)Grease :Kanto G-381(Yellow) :Used only for Reel S and
defective.To ensure a good picture, periodic inspection and
maintenance, including replacement of worn out parts andReel T
lubrication, is necessary.5) Maintenance Procedure
5-1) Cleaning
3.Scheduled Maintenance
(1)Cleaning video head
First use a cleaning tape.If the dirt on the head is too
Schedules for maintenance and inspection are not fixed
because they vary greatly according to the way in which thestubborn to remove by tape, use the cleaning patch.
customer uses the VCR(VCP), and the environment in whichCoat the cleaning patch with Isopropyl Alcohol.Touch
the cleaning patch to the head tip and gently turn the
the VCR(VCP) is used.
But, in general home use, a good picture will be maintainedhead(rotating cylinder) right and left.
(Do not move the cleaning patch vertically.Make sure
if inspection and maintenance is made every 1,000 hours.
The table below shows the relation between time used andthat only the buckskin on the cleaning patch comes into
contact with the head.Otherwise, the head may be
inspection period.
Table 1damaged.)
Thoroughly dry the head.Then run the test tape.If
When
inspection islsopropyl Alcohol remains on the video head, theAbout 1About 18About 3
necessarytape may be damaged when it comes into contact
yearmonthsyears
with the head surface.
(2)Clean the tape transport system and drive system, etc,Average
hours usedby wiping with a cleaning patch wetted with Isporopyl
per day
Alcohol.
NO TES:
One hour
1 It is the tape transport system which comes into contact
Two hourswith the running tape.The drive system consists of those
parts which moves the tape.
2 Make sure that during cleaning you do not touch the tape
Three hourstransport system with the tip of a screw driver and no that
force is that would cause deforming or damage applied to
the system.
Drum
(Rotating Cylinder)
Cleaning Patch
Head Tip
Touch this section of cleaning
Coat With Isopropyl Alcoholpatch to the head tip and gently
turn the Drum (Rotating Cylinder)
Fig.C-9-4
4-21 |
ACEC
