IBM 3278 Series Maintenance Information page 46

F G
3 3
MAP 02
Display MAP
PAGE 4 OF 19
018
Use analog adjustment procedure to verify
correct adjustment of 01 AI A 1 H2 card and focus
of high voltage power supply.
Is problem still there after verifying analog
adjustments? (Chapter 5.2)
r
:19
Reconnect coax signal cable, feature card(s).
Verify correct operation.
020
Exchange and adjust 01
AlA
1 H2 card.
Problem still there 7
r
:1
Reconnect coax signal cable, feature card(s).
Test for proper operation.
022
Exchange High Voltage power supply.
Reconnect coax signal cable, feature card(s).
Verify correct operation.
023
Is the display flashing on and off?
5
H
N
024
Exchange the 01 AI A 1 H2, E2, F2, G2 (D), or
alAI
A 1 H2, F2, G2 (M) cards one at a time.
Reconnect coax signal cable, feature card(s).
Verify correct operation.
2·02·4
SY27-2510-6