(~
(
(
('
o 0
o E
1 1
9 9
190
TAPE READ
MAP
PAGE
21
OF
45
Service
check/adjust
the cartridge stop blocks
(refer
to
224).
Service
check/adjust
the locking wheels (refer
to
225).
Defective spindle-select arm assembly (refer
to
202).
Defective diagnostic tape cartridge.
191
-If
you do
not
remember the answer
to
the next
question, press R and then C
to
try the
test
again.
Did
the
tape
motion
last
about
2 seconds?
Y N
192
Defective brake arm or brake arm spring (refer
to
202).
Defective
F2
(base
I/O)
card.
193
-If
you do
not
remember the answer
to
the next
question, press R and then C
to
try the test
again.
Did
the
tape
reels
move
clockwise
(reverse)
rather
than
counterclockwise
(forward).
Y N
194
-If
you
do
not remember the answer
to
the
next question, press R and then C to try the
test again.
Did
the
tape
reels
move
very
slowly
or
slow
down
after
starting?
Y N
222
111
DOD
L M N
DOD
L M N
222
111
MAP 0300-21
195
You have indicated by your answers that
the tape reels moved counterclockwise
for
about 2 seconds. That is
what
should
happen
for
this test. You might not have an
error.
-Retry the test (press R on the keyboard).
Go
to
Page
1.
Step
001.
Entry
Point
A.
196
Service
check/adjust
the
motor
pulley (refer
to
226).
Inspect the jackshaft and spindle
for
binds
(refer
to
202).
There might be foreign material in the select
magnet gaps (refer
to
202).
Defective tape motor assembly (refer
to
202),
Defective spindle-select
I;Irm
assembly (refer
to
202).
Defective jackshaft housing assembly (refer
to
202).
Defective diagnostic tape cartridge.
197
(refer
to
the appendix. the general logic probe).
-Probe tape control card pin U04 (-forward)
Is
the
UP
light
on?
Y N
198
Defective tape control card (refer to 202).
199
-Probe F2-J04 (-forward).
Is
the
UP
light
on?
YN
2
2
o
P
200
Check/replace the tape drive cable (refer
to
202).
28SEP76
PN
1608386
EC829670
PEe 828851
MAP
i0300-21
To Next Page
Loading...
Need help?
General
