IBM 3278 Series Maintenance Information page 57

A
D
1
4
MAP 02
Display MAP
PAGE 15 OF 19
085
Does the Test/Normal switch cause the Test
Pattern to be displayed when in Test position
only?
N
086
Exchange cards 01 A/A 1 G2, 01 A/ A 1 F2,
01A/A1E2 (O), or 01A/A1G2, F2 (M).
Is problem still present?
1
:87
Reconnect coax signal cable, feature card{s).
Verify correct operation.
088
(Entry Point D)
See Figure 4-13 to verify switch and cable to
logic.
Repair or exchange.
Reconnect coax signal cable, feature card{s).
Verify correct operation.
089
Put the Test/Normal switch in Test position.
Is test pattern 1 correct? (See 3.3.1).
N
090
Is there a cursor, divider line or any
characters on the screen?
1 1 1
866
A A A
E F G
SY27·2510-6
(1/811 2-02-15