IBM 5280 Technical Newsletter page 119

line plate
interface lines and diagram 299
jumpers 134
location 3,61
operating modes
autoanswer 301
manual answer 302
manual call 303
linearity phase adjustment 24
locations
bezel
Brightness control 1
card insertion tools 3
communications connector 2
communications power supply card
Contrast control 1
control panel 3
CRT 3
diskette drive A
diskette drive B
diskette locking levers
display assembly 22
display screen 1
drive-in-use indicators
fan 3
keyboard 1, 12
keylock 1,3
magnetic shield 3
MSR 1
power supply 1, 61
Power switch 1
3
printer twinaxial cable connector 2
remote diskette drive connector 2
remote keyboard/display connector 2
ROS patch cards 101
service information label 3
surge protector 3
logic board
location 3
part number chart 81
removal 89
replacement 89
logic cards
cover removal 86
cover replacement 86
data station adapter 34
diskette driver/receiver 53
diskette/main MPU 50
dual data station adapter 35
keyboard/display MPU 33
keyboard/display storage 35
main MPU 59
main storage 59
oPtions 80
part number chart 81
plug chart 79
printer MPU 116
removal 90
replacement 90
1 MSR and elapsed time counter
4 MSR and elapsed time counter
logic overview 249
logic probe 161
logical I/O table 247
LOGON command 357
119
119
magnetic shield location
3
magnetic stripe reader (see MSR)
main MPU 246
main MPU card 50,58
main storage 245
access example 251
main storage card
59
manual answer sequence 298
manual call sequence 297
MD Is, how to use 187
MPUs
communications 276
diskette 260
keyboard/display 246
printer 268
MSR
cable diagram (with comm)
122
cable diagram (without comm)
120
feature 244
functional description 257
location 1
removal 118
replacement 118
service check 118
1 MSR card 119
4 MSR card 119
MSRTEST 193
net list 92
network control functions 345
object code instructions, communications 278
online test program 203
tests supported 210
oscilloscope setup 109,110
over.view, functional 245
overview, system logic 249
pad printed circuit board
location 12
removal 20
replacement 20
partition
area 245
lOB 247
pointers 246
types 246
patch level, ROS 174
PGMLOAD 177
plug chart 79
power cord
removal 77
replacement 77
Index 371