IBM 5110 Series Maintenance Analysis Procedures page 117

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BRING UP MAP
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PAGE 19 OF 23
202
-Remove the C1 cards from 5114-1 and
5114-2.
-Install the card from 5114-1 into 5114-2.
No more than 25 seconds after RESTART is
pressed, the following events should occur:
1. ABCDEFGH appears on the top line of the
5110 display.
2. ABCDEFGHJKLMNP appears on the top
line.
3. The top line is cleared and either LOADO
or CLEAR WS appears once on one and
only one line of the 5110 display.
-Press RESTART.
Do all three events shown above occur in
sequence after RESTART is pressed?
Y N
203
The bad C1 card is now in 5114-2.
204
The trouble is in 5114-1.
Check/replace the 5114 internal cables D1
and D3 (see 280 and MAP 0210).
Check/ replace the 5114 I/O interface cable
(see 280 and MAP 0210).
205
Is a 5114 attached to the 5106?
Y N
2
o
206
Is a 5103 attached?
Y N
B B C
Y Z A
B C
Z A
MAP 0400-19
207
Bad 5106 C1 (adapter) card (see MAP 050 for
jumpering).
Bad A2 (I/O cable driver) card and cable
assembly in 5110.
Check/replace the 5106 internal cables B1
and B2 (see MAP 0210 and MIM 280).
Check/replace the 5106 I/O interface cable
(see MAP 0210 and MIM 280).
208
- Remove the tape control cards from the internal
tape unit and from the 5106.
-Install the card from the internal tape unit into
the 5106.
No more than 25 seconds after RESTART is
pressed, the following events should occur:
1. ABCDEFGH appears on the top line of the
5110 display.
2. ABCDEFGHJKLMNP appears on the top line.
3. The top line is cleared and either LOADO or
CLEAR WS appears once on one and only
one line of the 5110 display.
- Press RESTART.
Do all three events shown above occur in
sequence after RESTART is pressed?
Y N
2
o
C
B
209
-Swap the tape control cards back to their
original locations.
-Disconnect the 5106 from the 5110 I/O
interface port.
-Connect the 5103 to the 5110.
No more than 25 seconds after RESTART is
pressed, the following events should occur:
1. ABCDEFGH appears on the top line of the
5110 display.
2. ABCDEFGHJKLMNP appears on the top
line.
3. The top line is cleared and either LOADO
or CLEAR WS appears once on one and
only one line of the 5110 display.
(Step 209 continues)
01JAN79
EC 836600 PEC 835541
MAP 0400-19
I