IBM 3274 51C Maintenance Information page 159

P2
Plug Key
Wiring View
i ' -
Power
Supply
No.1
010
\
,
,
, ,
\
\
\
J21p2
I . . . .
1
<
)9
~
I
~10
I ~
7
< ,
<
I
,/2
<
I
~3
< I ~4
<
I
)2
)3
<
I
~14
~
J
~lS
-.J
~P2
<
I
)2
<
;13
<
)4
<
)S
;2
<
'3
<
<~
<
""~O
<
~9
<
<' ,
< (
< .... 5
<
26
L,\1 <
~a
<
"'
Power
Supply
I
No.2
OlE
I
/
/
Paddle Card
Power On Reset
, / B11
+S.SV
j
Bl0
-SV
,
B09
+12V
;
B12
' <
B13
+5V
i
011
+SV
+5V
E
012
013
DC Ret
DC Ret
r-
B08
k
010
DC Ret
K
009
DC Ret
~ 008
DC F;let
k
007
DC Ret
k
006
DC Ret
K
DOS
DC Ret
V
B07
+5V
.... 002
+SV
~
I'
003
+5V
1/
004
-5V
,/ B06
+S.SV
' B05
Power On Reset
./ B04
+SV (Not Used)
·a.sv
(Not Used)
·SV (Not Used)
/
/
/
o
B02
o B03
o
B04
o
B05
o
B06
007 0 0 B07
DOS 0 0 BOS
009 0 0 B09
0100 0 Bl0
0110 0 Bll
0120 0 B12
0130 0 B13
Board Socket
A1·Z4
N6 C04
N6 B04
N6 A04
N6004
N6 E04
N6 CO2
N6002
N6 E02
M6 E04
N6 B02
N6 A02
M6 E02
M6002
M6 CO2
M6 B02
M6004
L6 002
L6 E02
M6 A02
M6 C04
M6 B04
M6 A04
V
I
I
/
/
I
RowZ4
I
World Trade
Line Plate
(1200-bps 1M)
SA
00
..
o
0
o
0
••
00
o •
•• a
+8.SV
./ 803 _ _ _ _ _ _
,
I
I
I
I
_ _ -1
Figure 8-3 (Part 2 of 2). Dual Power Supply System
Card Column ------bl>>
(Wiring Side)
. 2-Pin Row
6-Card Row
0t
;nRow
~L6004
Appendix 8. Power Supplies 8-5