IBM 3278 Series Maintenance Information page 80

MAP 04
Feature Error MAP
PAGE 14 OF 15
064
(Entry Point B)
Verify that the selector pen lens is clean. If lens is
dirty or damaged, exchange or clean using
isopropyl alchol, as required. See Chapter 6.S for
removal and exchangement.
Does the selector pen still fail?
I
;:' k
,elect", pen ,,'ng on-line
t.", . ,
described in 3.3.2.1.
066
Verify
+44
volts at 01
AI
A 1 C2U09, 01
AI
A 1 E2U09
(0), or use 01A/A1G2U09 (M).
Verify-12 volts at 01
AI
A 1 C2S0S, 01
AI
A 1 E2S0S
(0), or use 01
AI
A 1 G2S0S (M).
Are voltages correct?
N
067
Exchange card 01
AI
A 1 H02.
Reconnect coax signal cable.
Reinsert feature cards if removed.
Verify for correct operation.
068
Exchange the selector pen feature card at
01A/A1C04 or 01A/A1E04 (0) or for 01A/A1G4
(M).
Reconnect coax signal cable.
Reinsert feature cards if removed.
Verify for correct operation.
Has the problem been corrected?
Ir
1 1
5 5
A A
G H
2·04·14
SY27-2510-6