IBM 3279 2A Maintenance Manual page 6

CONTROL MAP 0100
PAGE 1 OF
ENTRY POINTS
FROM ENTER THIS MAP
MAP ENTRY
PAGE STEP
NUMBER POINT NUMBER NUMBER
0000 A
1 001
0200
55
5 046
001
(ENTRY POINT Al
DANGER
When the power ON/OFF .witch i. ON
m,
the
following are connected directly to thQ
mainline power:-
-The front panel fuse
&
switch,
-The degauss coil,
-Part. of the power supply card and
-The twisted-pair connection from Pl
pins 8 and 9 (on the power supply card)
to the analog card (P7).
-Be careful when measuring voltages in
thase areas .
• Switch power OFF ~ and remove the power
cord from the mainline power socket
before such actions
85:-
-di sassembl i ng,
-inspecting for failures,
-making resistance measurements, etc.
(Step 001 continue.)
Copyright IBM Corp 1981
MAP 0100-1
EXIT POINTS
EXIT THIS MAP TO
PAGE STEP MAP ENTRY
NUMBER NUMBER NUMBER POINT
4 032 0000 88
5
051 0200 A
2 010 0300 A
4 040 0300 A
7 088 0300 A
7 090 0300 A
7 096 0300 A
8
101 0300 A
3
026 03.00 88
3
028 0300
8B
7 089 0300 BB
3 030 0300 CC
5
055 0400 A
5 057 0400 CC
4 036 0400
DO
4 038 0400
DO
4
042 0500 A
8 104 0500 A
9 126 0500
A
2 008 0600 A
3 022 0600 A
3
024 0600 A
4 034 0600 A
3
018 0700 A
3
020 0700 A
8
098 0700 A
9
122 0700 A
6 081 0700 BB
9
120 0700 CC
9 121 0700 EE
9 124 0700 EE
5 053 0800 A
7 094 0800 A
3 016 0800 CC
2 012 0800
DO
3 014 0800 EE
4
045
0800 FF
8 112 0900 BB
04FF881
MAP 0100-1