IBM 3278 Series Maintenance Information page 63

MAP 03
Keyboard MAP
PAGE 1 OF 4
ENTRY POINTS
FROM ENTER THIS MAP
MAP
NUMBER
01
05
001
ENTRY
POINT
A
A
(Entry Point A)
PAGE
NUMBER
STEP
NUMBER
001
001
Is this a mechanical failure? (Key binds, broken.
worn or clicker sound failing)
N
002
Use Test Mode 2 to verify failing key or keys.
Is there more than one key failing?
N
003
Does any character enter from the failing
key?
N
004
Does the cursor move, advance. in test
mode when the key is pressed?
3 2 2 2
ABC D
N
005
Exchange the module for the failing
key. (See Keyboard section 6.7).
Verify repair by using Test Mode 2.
SY27·2510-6
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