Process Check Map . 0420·1 - IBM 5100 Maintenance Analysis Procedures

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PROCESS CHECK MAP 0420
PAGE 1 OF 17
ENTRY POI NTS
FROM
ENTER TH I S MAP
MAP ENTRY PAGE
STEP
NUMBER POINT NUMBER NUMBER
0200
A
001
0300
A
001
0600
A
001
0810
A
001
0830
A
001
0850
A
001
0900
A
001
001
(Entry Point AI
-Switch the RUN switch under the covers to not
run.
(refer to 200).
-Switch the DISPLAY REGISTERS switch to
DISPLAY REGISTERS.
Refer to 248, hex registers display.
IS THE DISPLAY BLANK OR DARK?
Y N
002
-Switch the RUN switch under the covers to
run.
-Switch the DISPLAY REGISTERS switch to
NORMAL.
-PROBE 'G2-U09' (-BUS IN CHECK).
Is the DOWN light on?
Y N
003
-PROBE 'G2-S08' (-RDR Check).
Is the DOWN light on or pulsing?
Y N
1 1
726 2
ABC 0
©
Copyright IBM Corp. 1975
MAP 0420-1
EXIT POINTS
EXIT THIS MAP TO
PAGE STEP MAP ENTRY
NUMBER NUMBER NUMBER POINT
3
17
021 0400
205 0500
A
A
28SEP76 PN 1608388
EC 829670 PEe 829523
MAP 0420-1