IBM 3278 Series Maintenance Information page 60

A A A
E K L
1 1 1
577
MAP 02
Display MAP
PAGE 18 OF 19
103
Remove feature cards if present.
Is the problem still present?
N
104
If only one feature card is installed,
exchange with another card and test for
correct operation. If more than one
feature card is present. isolate to one card
by exchanging one card at a time.
Reconnect coax signal cable, feature
card(s).
Verify correct operation.
105
Exchange 01
AI
A 1 F2, 01
AI
A 1 G2, 01
AI
A 1 E2
(D). or
alAI
A 1 F2, G2 (M).
Reconnect coax signal cable, feature card(s).
Verify correct operation.
106
Exchange 01
AI
A 1 F2, 01
AI
A 1 E2 card (D), or
01 AI
A 1 F2, G2 (M).
Reconnect coax signal cable, feature card(s).
Verify correct operation.
107
Is keyboard exercise of test mode 2 correct?
N
108
Go To Map 03, Entry Point A.
1
9
A
M
2-02-18
SY27-251 0-6