IBM 3278 Series User Manual

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J1 J2 J3
io70401l 030201 070809
10805021
060504 040506
12~~0~ 090807 010203
I C1
\ -12
" 8
F1 - ..,
01D·PSl Top
,]-,
~
1 .... -0~
1 Amp F2
SB .... _ ...... 0.25 Amp
.... "' SB
I \
18 C2 0
1
\ +8.5 /
\, "
/ F6 '\
~
~
I
6.2~:mp \
I 8 C3 0 I
\ +5 /
\ /
" ,..-
---
F3 F5
3 Amp 1 Amp
SB
Figure 4-11. Fuse Locations - Low-Voltage Power Supply
J4
fo70401!
10805021
~9.2~~ OJ6
/ .. "8 .... , P OJ7
( ~~ " \.....P5
\ 0 /
, /
+
_ ....
C4
-44
,..---,
I \
18 C6 0'
\ +44 /
\
/
,_ .....
Fuses
F1
Voltage
6.3
-12
'\~~ +8.5
F5 +44
F6 +5
Slip-On Conn to Ferro
PN
303549
111261
338165
855253
2130253
Voltages at J Connectors
J2 - 1,4,7 +8.5 Vdc
Max Ripple
(Peak
to Peak)
0.25 Vac
2
+8.0 V 2:. 1 V
1.5 Vac
5,8 -12 Vdc 0_24 Vac
6
DC Return
3,9 6.3 Vac and Return
J3 - 1 -44 Vdc
2,5,8 +5 Vdc
3,6 -5 Vdc
4
+44 V
7,9 DC Return
0.88 Vac
0.15 Vac
0.15Vac
0.88 Vac

IBM 3278 Series Specifications

General

Brand	IBM
Model	3278 Series
Category	Desktop
Language	English