IBM 5100 Maintenance Analysis Procedures page 27
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Also See for 5100:
- Maintenance information manual (389 pages) ,
- Maintenance information (388 pages) ,
- Apl reference manual (228 pages)
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136
TAPE READ MAP
PAGE
15 OF
45
Service check/adjust the motor pulley (refer
to 226).
Service check/adjust the cartridge stop blocks
(refer to 224).
Inspect the jackshaft housing and the spindle
for binds (refer to 202).
Service check/adjust the magnet gaps (refer
to 222).
Defective tape motor assembly (refer to 202).
Defective diagnostic tape cartridge.
Defective spindle-select arm assembly (refer
to 202).
Defective jackshaft housing assembly (refer to
202).
137
Tape might be moving too slowly.
Service check/adjust the motor pulley (refer to
226).
Service check/adjust the cartridge stop blocks
(refer to 224).
Inspect the jackshaft housing and the spindle for
binds (refer to 202).
Service check/adjust the magnet gaps (refer to
222).
Defective tape motor assembly (refer to 202).
Defective diagnostic tape cartridge.
Defective spindle-select arm assembly (refer to
202).
Defective jackshaft housing assembly (refer to
202).
B
M
8
MAP 0300-15
138
ERROR 957--STATUS ERROR.
EOT Status is not active (status bit 0 was 0,
should have been 1).
-Attach a jumper between tape control card pin
B08 (gnd) to tape control card pin B10 (+ EOT
PTX collector) (refer to 227).
(refer to the appendix, the general logic probe).
-Probe F2-J02 (-EOT) .
Is the DOWN light on?
Y N
139
-Probe tape control card pin S02 (-EOT) .
Is the DOWN light on?
Y N
140
NOTE: REMOVE JUMPER.
Defective tape control card (refer to 202).
141
NOTE: REMOVE JUMPER.
Check/replace the tape drive cable (refer to
202).
142
-Retry the test (press R on the keyboard).
Is the message THE PROGRAM IS LOOKING
FOR
BEGINNING
OR
END
OF
TAPE.
displayed on the display?
Y N
1
6
C
U
143
NOTE: REMOVE JUMPER.
Defective tape LED-PTX assembly (refer to
202).
Check/replace the tape internal cable (refer to
202).
28SEP76
PN 1608386
EC 829670
PEC 828851
MAP 0300-15
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