IBM 3278 Series Maintenance Information page 56

A A
B C
1 1
3 3
MAP 02
Display MAP
PAGE 14 OF 19
080
Use the adjustment procedure to correct
alignment or focus of the display. If the
problem cannot be corrected by adjustment
exchange the 01 AI A 1 H2 card, high voltage
power supply.
Reconnect coax signal cable, feature card(s).
Verify correct operation.
081
Does the intensity and contrast control work
correctly?
1
5
A
D
N
082
Exchange 01
AlA
1 H2, 01
AlA
1 F2 card.
Has the problem been corrected?
N
083
Use Figure 4-13 to isolate problem to the
cable, connector or intensity
I
contrast
assembly.
Repair or exchange.
Reconnect coax signal cable, feature card(s).
Verify correct operation.
084
Adjust 01
AlA
1 H2 card.
Reconnect coax signal cable, feature card(s).
Verify correct operation.
2-02-14 SY27-2510-6