IBM 3278 Series

F U v W
3 9 9 9
045
MAP 01
Terminal Failure MAP
PAGE 10 OF 13
Exchange ON/OFF switch.
Reinsert previously removed
plugs.
Reconnect in terminal and test for proper
operation.
046
Exchange prime power asm. (Figure. 4-3).
Test
for proper operation.
047
Exchange Ferro Transformer.
Verify correct operation.
048
Exchange fuse F1 in main power box.
Switch
Unit On and wait up to 30 sec.
Did fuse fail again?
I ;~ ro"~ opo,ano"
050
Switch unit off.
Remove plug P3 from J3 on main power box.
Exchange fuse.
Switch
Unit On.
Did fuse fail again?
1 1
1 1
X y
2-01-10
SY27-2510-6