JVC HR-S6700MS Mode D'emploi page 20

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Fig. 2-1-5c
R2
Door
opener
R3
Drive gear
R4
Fig. 2-1-5d
2. Cleaning
Regular cleaning of the transport system parts is desirable
but practically impossible. So make it a rule to carry out clean-
ing of the tape transport system whenever the machine is
serviced.
When the video head, tape guide and/or brush get soiled,
the playback picture may appear inferior or at worst disap-
pear, resulting in possible tape damage.
(1) When cleaning the upper drum (especially the video
head), soak a piece of closely woven cloth or Kimu-wipe
with alcohol and while holding the cloth onto the upper
drum by the fingers, turn the upper drum
counterclockwise.
Note:
• Absolutely avoid sweeping the upper drum vertically
as this will cause damage to the video head.
(2) To clean the parts of the tape transport system other than
the upper drum, use a piece of closely woven cloth or a
cotton swab soaked with alcohol.
(3) After cleaning, make sure that the cleaned parts are com-
pletely dry before using the video tape.
3. Lubrication
With no need for periodical lubrication, you have only to lu-
bricate new parts after replacement. If any oil or grease on
contact parts is soiled, wipe it off and newly lubricate the
parts.
Note:
• See the "mechanism assembly" diagram of the parts
list for the lubricating or greasing spots, and for the
types of oil or grease to be used.
L1
L2
Guide rail
Roller cam assembly
Mechanism assembly left side
R1
Opener guide
R5
Limit gear
Loading motor
Cassette housing bracket
Worm gear
Belt (loading motor)
Mechanism assembly right side
4. Suggested servicing schedule for main components
The following table indicates the suggested period for such
service measures as cleaning,lubrication and replacement.
In practice, the indicated periods will vary widely according
to environmental and usage conditions.However, the indi-
cated components should be inspected when a set is brought
for service and the maintenance work performed if neces-
sary. Also note that rubber parts may deform in time,even if
the set is not used.
System
¤
: Cleaning
R
: Inspection or Replacement if necessary
5. Disassembling procedure table
The following table indicates the order in which parts are re-
moved for replacement. To replace parts, remove them in
the order of 1 to 18 as shown in the table. To install them,
reverse the removal sequence.
The symbols and numbers preceding the individual part
names represent the numbers in the "Location of major me-
chanical parts" table. Also, the "T", "B", and "T/B" on the right
of each part name shows that the particular part is removed
from the front, from the back, and from both sides of the
mechanism, respectively.
Published in Heiloo Holland
Parts Name
Upper drum assembly
A/C head
Lower drum assembly
Pinch roller arm assembly
Full erase head
Tension arm assembly
Capstan motor (Shaft)
Guide arm assembly
Capstan motor
Capstan brake assembly
Main brake assembly
Belt (Capstan)
Belt (Loading motor)
Loading motor
Clutch unit
Worm gear
Control plate
Brush
Tension brake assembly
Rotary encoder
Table 2-1-5a
8/6/2016
Operation Hours
~1000H
~2000H
¤R
R
¤R
¤R
¤
¤R
¤
¤
¤
¤
¤
¤
¤
¤
¤
¤
R
R
R
R
R
R
R
R
R
R
¤R
¤R
R
R
R
2-4

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