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Entry Point - IBM 3279 2A Maintenance Manual

Color display terminal maintenance analysis procedures
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FEATURE HAP 0800
PAGE
1 OF
8
ENTRY POINTS
FROM
ENTER THIS MAP
MAP
ENTRY
PAGE
STEP
NUnBER
POINT
NurmER
NurlBER
OlOO
A
1
001
OlOO
CC
1
002
0100
DD
4
031
0100
EE
7
077
0100
FF
3
015
0300
DD
4
031
0900
A
1
001
0900
GG
3
025
001
(ENTRY POINT Al
If
you
know which
feature is causing the
problem go to
the
entry point shown in the
table below:
FEATURE or FUNCTION
ENTRY POINT
AUDIBL E ALARM
FF
-page
3
SECURITY KEYLOCK
GG
-page
3
MRC. MSR or MHS
EE
-page
7
SelECTOR PEN
DO
-page
4
ECS or PS
CC
-page
1
KEYBOARD
MAP 0700
A
CONVERGENCE
MAP 0600
A
VIDEO OUTPUT RPQ
MAP 1000
A
If there is a machine check C)(
~
nnn)
error code displayed on the screen or in
the error log for this display go to the
entry point in the tabla bQlow:
(See MIM section 2.6.2 on how to read the
error log)
ERROR CODE
ENTRY POINT
44.
61
or 222
DO
-page
4
43. 45.
60
or 224
EE
-page
7
41. 42. 210 or 212
MAP 0700
A
223. 225.
CC
-page 1
226.
227 or 234
CC
-page
1
55. 56. 228 or 229
MAP 0600
A
Any othCH· error code
MAP 0900
A
-Reinstall cards E2 and F2 (ECS
&
PS)
i~
removed.
I~
the ECS
~eature
is NOT installed take
the Y path now.
• Repgat the failing test,
if
known, (or
use ONLINE TEST 8.)
Is the test good?
Y N
.002
(ENTRY POINT CCI
Are both
ECS
ahd
PS
features
(E2
and
F2
cards
I
installed on this m3chine?
I i
3 2 2
ABC
Copyright IBM Corp 1981
EXIT POINTS
EXIT THIS MAP
TO
PAGE
STEP
NUMBER
NU~IBER
2
003
5
050
MAP
ENTRY
NUNBER
POINT
0000
BB
0600
EE
CAUTION
HAP 0800-1
Switch power OFF
~ be~ora
exchanging
logic cards.
The PS
modul~s
ara easily damaged by
static electricity.
-Do NOT touch the pins.
-Do NOT put the module down except
in the packing supplied or on to a
conducting pad.
TO RUN ONLINE TESTS 0 - 8.
Replace "n
W
below with number
a -
8
-Set the
TEST~NORMAL
switch to TEST
and back to NORMAL.
-Hold down the ALT key. press TEST.
and release both.
The word TEST appears in the OIA.
-Press keys
/
"n"
EHTER
One of patterns shown in the MIM
section 2.6 should display •
04FEB8l
HAP 0300-1
------

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