3-7
Functions
of
test
points,
variable
resistors
and
straps
..•....
359
3-7-1
Functions
of
test
points
.............•....•.......•......
361
3-7-2
3-7-3
Functions
of
variable
resistors
••.....••....•.........•..
Functions
of
straps
.•.....•.•..•••..••••......•........•.
377
379
4.
MAINTENANCE
4-1
Outline
of
maintenance
...••.•..•....•••........•••••.••.•••.••
4001
4-1-1
Routine
maintenance
..•.•.•.....•••......•••.•....•••.•••.
4001
4-1-2
Check
and
adjustment
.•...••....••......•..••••..••.••••••
4002
4-1-3
Maintenance
parts
....•.•..•.•........••••••.•......•...••
4004
4-1-4
Maintenance
articles
.••...•.•..•.••.....•........•..•.••.
4007
4-2
Precautions
on
maintenance
••..•••..•.•••....•...••...••••...••
4009
4-2-1
4-2-2
4-2-3
4-2-4
4-2-5
4-2-6
4-2-7
Screw
tightening
torque
and
screw
lock
(red)
.•••..••...•.
4009
Connector
handling
method
••••••..••...•.•••••.•.••••.•.•.
4010
How
to
handle
the
protector
guide
•...•••••.••...••.....•.
4015
Cable
treatment
within
chassis
.•••••..•......••.••...•.•.
4017
Initialization
of
SOA
Initialization
of
SOB
Initialization
of
SOD
4019
4021
4023
4-2-8
Initialization
of
SOE
•.....•..••.••..•••••..•.•..•.•..••.
4025
4-3
Check
and
adjustment
procedures
.......•......•.•••••...•...•..
4027
4-3-1
Positional
adjustment
of
reel
motor
(F),
(R)
Ass'y
.....••
4027
4-3-2
4-3-3
4-3-4
4-3-5
4-3-6
4-3-7
4-3-8
4-3-9
4-3-10
4-3-11
4-3-12
4-3-13
4-3-14
Height
adjustment
of
encoder
roller
Check
of
rotary
direction
of
reel
motor
•••••••.......•.••
Check
of
file
protect
sensor
....•••....•••.........•....•
Cassette
loading/unloading
check
•••....••.•........•.....
Check
of
head
shift
....•....•.....••.......••........•..•
Check
and
adjustment
of
tape
winding
.•.•......•..........
Check
and
adjustment
of
head
alignment
.....•.............
Check
of
AGe
operation
•.........•...•...............•....
Check
and
adjustment
of
BOT/EOT
hole
sensor
..•...•....•..
Check
and
adjustment
of
tape
speed
.•.....••.••...•..•..•.
Check
of
start/stop
time
........••.......••......•.•..•..
Check
of
ISV
.....•........•....•••........•..•......•....
Check
and
adjustment
of
read
preamplifier
level
......•...
-
ii
-
4029
4032
4034
4036
4037
4038
4042
4048
4050
4054
4058
4060
4062
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