B D D
F C P
712
9 1
201
TAPE READ
MAP
PAGE
22
OF
45
Defective
F2
(base
I/O)
card.
202
There might
be
foreign material
in
the select
magnet gaps (refer
to
202).
Defective brake arm or brake arm spring (refer
to
202).
Service check/adjust the magnet gaps (refer
to 222).
Service check/ adjust the jackshaft housing
(refer
to
223).
203
ERROR
950--STATUS ERROR.
EOT
Status is always active (status bit 0 was
1,
should have been
0).
-Remove the cartridge from the tape drive.
Has
the
tape
run
off
either
reel?
Y N
204
The tape
is
positioned on the end
of
tape
(EOT)
mark.
-Manually move the tape so the
EOT
mark
(hole
in
tape)
is
past the mirror (refer
to
229).
-Replace the cartridge
in
the tape drive.
-Retry the test (press R on the keyboard).
205
-Thread the tape back
on
the
reel
(refer
to
230).
-Replace the cartridge
in
the tape drive.
-Retry the test (press R on the keyboard),
B
E
7
206
(Entry
Point
F)
MAP
0300-22
ERROR
949--STATUS ERROR.
File protect status should not be active (status
bit 6 was
1,
should have been
0).
-Remove the cartridge from the tape drive.
-Determine
if
the problem is electri.cal or
mechanical by manually pressing the file protect
switch. (the file protect switch can be seen by
looking into the front
of
the tape drive.
It
is
the
leftmost switch. Refer
to
202).
-While manually pressing the file protect switch:
-Retry the test (press R
on
the keyboard).
PressingR
caused this section
of
the tape
diagnostic
to
run again.
Is
error
949
still
displayed
on
the
di.splay?
Y N
207
The file protect switch operates electrically.
Service check/adjust the switch assembly
(refer
to
221).
Service
check/
adjust the cartridge stop blocks
(refer
to
224).
Defective tape switch assembly (refer
to
202).
Defective diagnostic tape cartridge.
208
The problem
is
an
electrical problem not
an
adjustment problem.
-Replace the cartridge
in
the tape drive.
(refer
to
the appendix, the general logic probe).
-Probe tape control card pin D07 (+file protect)
(refer
to
227).
Is
the
DOWN
light
on?
Y N
2 2
3 3
D D
Q
R
28SEP76
PN
1608386
EC
829670
PEC
828851
MAP 0300-22
c
o
c
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