IBM 5110 Series Maintenance Analysis Procedures page 54

F F
C 0
2 2
9 9
325
TAPE READ MAP
PAGE 30 OF 45
Bad H2 (base I/O) card.
326
-Probe tape control card pin U12 (-select magnet
active) (see MIM 230).
Is the UP light on 7
Y N
327
Check/ replace the tape unit cable (see MAP
0210 and MIM 230,231).
328
- Probe tape control card pin B 12 (-forward select
magnet).
Is the UP light on 7
Y N
329
Bad tape control card (see MIM 203).
330
-Probe tape control card pin U05 (-run).
Is the UP light on7
Y N
331
Bad tape control card (see MIM 203).
332
-Probe H2-M13 (-run).
Js the UP light on 7
Y N
333
Check/ replace the tape unit cable (see MAP
0210 and MIM 230,231).
334
Bad H2 (base I/O) card.
A
T
6
335
ERROR 936--STATUS ERROR.
MAP 0300-30
Select magnet active status was active, should
not have been active(status bit 2 was 1, should
have been 0).
-Probe H2-P11 (-select magnet active).
(See appendix B, the general logic probe, in the
5110 MIM).
Is the DOWN light on?
Y N
336
Bad H2 (base I/O) card.
337
-Probe tape control card pin U05 (-run) (see MIM
230).
Is the DOWN light on 7
Y N
338
-Probe tape control card pin B13 (+12 Vdc).
Is the UP light on7
Y N
339
Bad tape control card (see MIM 203).
340
-Probe tape control card pin B12 (-forward
select magnet).
Is the UP light on 7
Y N
3 3
1 1
F F
E F
341
Bad tape control card (see MIM 203).
Bad select magnet (forward) (see MIM
203).
Check/ replace the tape internal cable (see
MAP 0210 and MIM 203).
01JAN79
EC 836600 PEC 835541
MAP 0300-30
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