MAINTENANCE/INSPECTION PR OCEDURE
1 Check before starting repairs
The following faults can be remedied by cleaning and oiling.
Check the needed lubrication and the conditions of cleanli-
ness in the unit.
Check with the customer to find out how often the unit is
used, and then determine that the unit is ready for inspection
and maintenance.Check the following parts.
Replace-
PhenomenonInspection
ment
F/E Head
Color beatsDirt on full-erase heado
Poor S/N, no colorDirt on video heado
Video Head
Vertical orDirt on video head
o
Horizontal jitterDirt on tape transport systemFig.C-9-1 Top VIEW
Low volume,A/C Head
Dirt on Audio/control heado
Sound distorted
Pinch Roller
Tape does not run.
Dirt on pinch rolleroBelt Capston
Tape is slack
Clutch AssOy S27In Review andClutch
o
Assembly D33
Unloading (off mode),Torque reduced
the Tape is rolled up
loosely.Cleaning Drum and
Fig.C-9-3
transport system
NO TE
If locations marked with o do not operate normally after clean-
ing, check for wear and replace.
See the EXPLODED VIEWS at the end of this manual as well
as the above illustrations See the Greasing (Page 4-22) for theFig.C-9-2 BOTTOM VIEW
sections to be lubricated and greased.
* No.(1)~(13) Indicates the Tape Path to be traveled from Supply Reel to Take-up Reel.
(7) Base Assembly P3
(4) F/E Head
(8) A/C Head
(3) P1 Post
(9) P4 Post
(6) Drum Assembly
(Video Head)
(11) Pinch Roller
(5) Base
Assemb ly P2(12) Take-up Guide Post
(2) Tension Post
(10) Capstan Shaft
(13) Take-up Reel
(1) Supply Reel
Fig.C-9-3 Tape Transport System
4-20 |
ACEC
