IBM 5100 Maintenance Analysis Procedures page 36
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- Maintenance information manual (389 pages) ,
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2
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TAPE READ MAP
PAGE
24 OF
45
219
~Probe
tape control card pin 607 (-cartridge in
place).
Is the DOWN light on 7
Y N
220
Defective tape switch assembly (refer to 202).
Check/replace the tape internal cable (refer to
202).
221
-Probe tape control card pin S12 (-cartridge in
place).
Is the DOWN light on 7
Y N
222
Defective tape control card (refer to 202).
223
-Probe F2-M03 (-cartridge in place).
Is the DOWN light on 7
Y N
224
Check/replace the tape drive cable (refer to
202).
225
Defective F2 (base I/O) card.
8 8
A 8
7 7
226
ERROR 947--WRAP ERROR.
MAP 0300-24
No data detected for wrap through the tape
control card.
Defective tape control card (refer to 202).
Defective F2 (base I/O) card.
Check/replace the tape drive cable (refer to
202).
227
ERROR 946--WRAP ERROR.
Missing interrupt for wrap through tape head.
(refer to the appendix, the general logic probe).
-Probe tape control card pin U09 (-channel
select).
Is the DOWN light on?
Y N
228
-Loop on this test (press L on the keyboard).
-Probe tape control card pin U09 (-channel
select).
Are both lights on?
Y N
229
Is the UP light on?
Y N
222
555
D D D
T U V
230
Defective F2 (base I/O) card.
Defective tape control card (refer to
202).
Check/replace the tape drive cable
(refer to 202).
28SEP76
PN 1608386
EC 829670
PEC 828851
MAP 0300-24
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