IBM 5110 Manual

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IBM 5110 System
Maintenance Analysis Procedures

Third Edition (January 1979)
This a major revision of, and obsoletes, SY31-0553-1. Because the changes and
additions are extensive, this publication should be reviewed in its entirety.
Changes are periodically made to the information herein; changes will be reported
in technical newsletters or in new editions of this publication.
Use this publication only as an aid in servicing the IBM 5110 System.
Publications are not stocked at the address below. Requests for copies of IBM
publications and for technical information about the system should be made to
your IBM representative or to the branch office serving your locality.
This publication could contain technical inaccuracies or typographical errors. Use
the Reader's Comment Form at the back of this publication to make comments
about this publication. If the form has been removed, address your comments to
IBM Corporation, Publications, Department 245, Rochester, Minnesota 55901.
IBM may use and distribute any of the information you supply in any way it
believes appropriate without incurring any obligation whatever. You may, of
course, continue to use the information you supply.
© Copyright International Business Machines Corporation 1978, 1979
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I
Contents I
(
Logic Card Part Numbers ...........
.050-1
I
Logic Card Jumpers. . . . . . . . . . . ....
.050-5
(
USING THE IBM 5110 COMPUTER MAPs.
0100-1
II
MAPs ........
0100-1
MAP Organization 0100-2
Using the MAPs.
0100-3
MAP Examples ..
0100-4
I
Start MAP .....
0200-1
,.
Cable Checkout MAP. . 0210-1
(--
Tape Read MAP ....
0300-1
Di~.kette Read MAP ..
0310-1
Bring Up MAP .....
0400-1 I
Process Check MAP ..
0420-1
Display MAP ......
0500-1
TV Monitor MAP ..
0510-1
Keyboard MAP . . . . 0600-1 I
Power MAP ...... 0700-1
5103 Printer MAP ... 0810-1
Communications, Serial I/O, and Parallel I/O . 0830-1
Transmit/Receive Level Checkout MAP . 0831-1
Local CBS Coupler (Auto Answer) MAP
I
for 38LS Integrated Modem .......
0832-1
Manual Call to a Manual Answer Station
Using a CDT Type Coupler 0833-1
Digital Network Remote Wrap I
Test Procedure .......
0834-1
(:-/
BSC Network and BSCA
Intermittent Problem MAP
0835-1
Automatic Answer MAP for 38LS
with World Trade Line Box .... 0836-1 I
Manual Call MAP for World Trade
38LS .................
0837-1
Manual Answer MAP for 38LS with
World Trade Line Box ......
0838-1
II
Auxiliary Tape MAP ........ 0850-1
5114 Diskette Unit Entry MAP .. 0880-1
Machine
Checkout MAP ...... 0900-1
II
('~-'
II
I
1
-;
..
-
iii
I

"\
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iv

LOGIC CARD PART NUMBERS I
Card Name
Location Model Part Number
(,e,
~"
I/O cable driver
A2
4360292
Async comm-serial I/O
D2
1607138
APL ROS E4 AXX or CXX
4360442
('"
4834732
~h,
., ..-/
A1X2
4360434
Common and language
F2
ROS
4834796
48347641
(:~/
B1X2
4834714
4834722
4834796
48347641
C1X
2 4834712
4834724
4834796
48347641
A2X
3 4834716
4834726
4834754
(~1'
48347661
,/
B2X
3 4834718
4834728
4834798
48347681
C2X
3 4834720
4834730
4834800
48347701
Display
G2
4360476
4360450
("'h
(Katakana 4834708
feature only)
-L •. ./
Base I/O
H2 X1X 4360496
4834746
(~~
X2X 4834700
4834794
,./'
Processor
J2 1607136
I The Katakana feature requires one of these cards
Parallel I/O
K2 4360430
to be included.
C~
2
The
cards in model C1 X may be substituted for the
/ cards
in models A1X and B1 X.
Feature ROS K4
4834964
3
The
cards in model C2X may be substituted for the
(diskette sort) 4834972
cards in models A2X and B2X.
MAP 050·1

Card Name Location Model Part Number
Executable ROS L2 A1X or C1X6 4834734
,/
,Jr
4360478 :
.. ~
48347841
B1X6 4834736
4360480
48347861
,~,
A2X or C2X7 4834738
4360482
4360478
48347841
,..
B2X7 4834740
,Iii
4360484
48347881
Read/write M2-N4 8238223
Print adapter 5103 16071422
1607154
1607152
(Katakana 4834706
feature only)
Tape adapter 5106 16071342
1607144
1607146
Tape control 5106 or 8527645
internal tape
Diskette adapter 5114 4834710
4834960
48349783
48349623
Diskette control 5114 8528195
4178068
4178065
VFO 5114 16072174
BSCA 2 A4 48347922
4834780
BSCA 1
B2
16071765
IThe Katakana feature requires one of these cards to be installed.
200 not replace with the same part number.
3
The
VFO card is incorporated in this card.
4Not used with diskette adapter card 4834710 or 4834960.
5
The
microprocessor module on this card is part 5615702.
j'."
6
The
cards in models A1X or C2X may be substituted for the cards in the
5110 model B1 X.
7The cards in models A2X or C2X may be substituted for the cards in the
MAP 050-2
5110 model B2X.

I
Communication Location Model Part Number
(:'
Communication
C2
facility
EJA
Used with 5864363
external modems 5864660
(~'".~
DDSA
Used with 8527032
digital network
..
38LS
U.S. switched network 1756001
with auto answer 8564508
38LS
U.S. non-switched 1756003
( ... '"
network with SNBU 8564509
38LS
U.S. non-switched 1756005
network
without SNBU 8454510
38LS World Trade non- 1756011
switched network 8564481
38LS World Trade 1756007
switched network 8564479
c
c
c
MAP 050-3

"
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MAP 050-4

(
.(
.......
~-~
c
c
LOGIC CARD JUMPERS
Printer Adapter Card!
\
\
\
\
I
~
\
\
\\\
\
\
\
\
\
\
\\
\
Country Jumper Positions!
.-
-.
Austria/Germany
§WiB • _.
-.
.-.
Belgium .--.
-.
-.
Brazil
lilliE.
_.
.-.-
Denmark/Norway
.-
-.
_.
.-
EBCDIC (U.S.) 1 -. .
-
.-
. ~
Finland/Sweden
-- .
_.
-- . . --
France •
MmII
...
-.
.-
French/Canada • iU!lllII .-
.-.-
International
....
.-
-.
.-
Italy
-.
-.
.--.
Japan 1 .-
...
.-
-.
Portugal
-.
.-
-.
...
Spain .-.
...
...
-.
Spanish Speaking
-.
.-
..-- .-
United Kingdom .-.-
.-
-.
Unassigned
.-
_.
Display Card
PIN 4360476
\
\
,
,
Jumper Positions2
.-.-
.-
-.
.-.-
-..
. .-
.-.
.-
-. -.
.-
-.
. .-
.-
-. .
-.
...
-.
.-
-.
.-
_.
. --
_.
...
.-
_.
_.
-.
.-
_. -.
.-
.. .
• IIIBl
-.
_.
..
•
...
.-
.-.-
_.
.-
.--.
-. .-
-..-
_. .-
-.
-.
_.
...
.-
.-
.- • -
• -• -
Display Card
PIN 4360450
I
Jumper Positions2
1-- -
-III
-; --
I-II
II- -
- -II
--I -
II-I
IIII
----
a-I-
-I- I
-II-
I --I
-III
1-- -
I-II
.1 --
III-
---I
-. -I
III-
I- -I
.I I -
.I -I
I -I -
II-I
- -I -
--II
II- -
--- -
IIII
Iprinter adapter card used with Katakana feature should have either EBCDIC (U.S.) jumpers or none at all.
2There is no display jumpering for the Katakana feature. '
MAP 050-5

Diskette
Adapter
Card
Auxiliary Tape Unit
Adapter Card ,
,
'-.e._ e
Jumper Position
for All Machines
........................
........
.....
I
I I
d:!3
---------- ,
DDDDDD
~
Processor
Card(J2)
Jumper Position
for 5100
Jumper Position
for 5110
Executable
ROS
Card (L2) Jumper Position
for
5110-X1 X
Jumper Position
for
5110-X2X
IIII
II: :
III:
I;::
Feature ROS Card (K4)
Jumper on
for All Machines
Jumper Position
for 5100
Jumper Position
for 5110
Jumper Position
for 5100
~
~
Jumper Position for 5110
MAP 050-6

c
USING THE IBM 5110 SYSTEM MAPS
MAPs
The MAPs guide you through the service call using step-by-
step procedures that require you to follow trace lines when
responding to questions or when leaving or entering a page.
The MAPs use a logical approach for isolating the possible
causes
of machine problems and point you to that part of
the 5110 that requires adjustment or replacement.
Two types of MAPs are used in the 5110 maintenance
library. First, there are the hard-copy (printed) MAPs
within the MLM binder. These MAPs are contained in a
separate removable binder. The second type of MAP is
the MOl (MAP diagnostic integration). These MAPs are
located on the diagnostic tape/diskette and are shown on
the display screen. The system automatically pages
through the MAPs when you respond to the questions on
the display.
I
MAP 0100-1

MAP ORGANIZATION
START
Start MAP 200
Record
the Error Code Displayed
Indicator Lights-Use MAP 200
Other Reported Fail ures -------f..----------------------1~O-~L- __________________________ ~
NoSymptoms---------------+---------------,
Begin each call with Start MAP 200. This MAP ensures
that the system is operating sufficiently to use other
MAPs or MDls.
Start MAP 200 asks you to record the status bytes, error
logs, and history logs because this information is lost
on power down or RESTART. The Start MAP either fixes
or directs you to a MAP that tells you how to fix any of
the following problems:
Indi cator lights
Bring up failures
Process
checks
Display failures
For other failures, the Start MAP directs you to the correct
MAP through an error code. If you are certain the failure
is not covered in the Start MAP, you can go directly to the
other MAPs indicated by the ® in the chart.
All MDls have a MAP as an entry. For example, MAP
810-5103 is an entry for MOl 800 through 805. These
MAPs provide the setup instructions for running the MDls.
The MDls are a combination of MAPs and diagnostics.
The MD Is call in and run the appropriate diagnostics
and answer most of the MAP questions automatically.
The procedures for diagnosing intermittent failures
contain a more detailed description of what part of the
system each MOl checks.

(.~.\
C·
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/
CI
USING THE MAPS
When using the MAPs, you must:
READ
CAREFULLY. The MAPs can help you find the
problem only
if you follow instructions and answer
questions accurately.
FOLLOW THE SEQUENCE.
Proceed step-by-step at all
times.
At times, the MAP instructions might seem irrele-
-vant. However, they
can be important in determining the
correct error indications.
FOLLOW INSTRUCTIONS. Instructions must
be carried
out exactly in the order given. Questions are based on
instructions immediately preceding the questions. Do not
change the conditions established by the instructions
before answering the questions. Do
not press the
RESTART switch
until you are told to do so in the MAPs.
When you are asked to probe a line in the MAPs, the line
name and its active level are given. For example:
-Probe H2-G06
(- machine check).
The -(minus) in
front of machine check indicates that this
line
is active at adown level.
I
MAP 0100-3

MAP EXAMPLE
__ ----- MAP name and number
PROCESS CHECK MAP 0420
----------~En:t~ry::a~nd~exit points-show all entry and exit points to
PAGE 1 OF 75
ENTRY POINTS
and from this MAP.
FROM ENTER THIS MAP
EXIT THIS MAP TO
PAGE
STEP MAP
ENTRY
MAP
NUMBER
ENTRY
POINT
PAGE
NUMBER
STEP
NUMBER NUMBER
NUMBER NUMBER POINT
0200
0300
0600
0810
0830
0850
0900
830C
A
A
A
A
A
A
A
A
001
001
001
001
001
001
001
001
5
18
75
001 --------------------------------------
(Entry Point A) ________________ _
Is the PROCESS CH ECK light on '7
Y N----------------------
002
Can you create the PROCESS CHECK?
Y N
003
The MAPs depend on having the PROCESS
CHECK on
the machine or being able to
create the PROCESS CHECK. Gather and
record all available information pertaining
to the PROCESS CHECK. Advise the
customer that if the PROCESS CHECK
appears again,
to leave the machine in the
failing
condition until you arrive.
004
Is the PROCESS CHECK intermittent?
Y N
222
ABC
044 0400 A
218 0400 A
828 0500 A
Step number
Entry point-indicates a possible starting point in this
MAP.
It is usually referenced from a step within a
MAP.
Y=yes, N=no
Off-page reference-identifies the
page and trace on
which this MAP
leg continues. The 2 indicates that this
leg continues on page 2. The C indicates that th is leg
continues at trace C.
MAP 0100-4
'l .,:,/

('\,
(
.""'\
• 0'
c
c"
CI
MAP EXAMPLE (continued)
ABC PROCESS CHECK MAP
1 1 1-
PAGE 2 OF 75
005
Create the PROCESS CHECK.
Did the PROCESS CHECK come on
as a
result of pressing RESTART or powering
on the 5110?
Y N
006
We will assume that the PROCESS
CHECK
comes on as a result of running
a job.
-On-page reference-indicates the trace and page from
which this
MAP leg came. The 1 indicates that this
leg came from page 1. The C indicates that this leg
came from trace C.
Go to Step 010, --------------Internal exit point-indicates the page, step, and entry
Entry Point H. point to go to within this MAP.
007
We will use the RESTART condition to
create the PROCESS CHECK.
Go To Map 0400, Entry Point
A. --------- External exit point-indicates the MAP and entry
point
to go to.
008
Create the PROCESS CHECK -----------Instruction-establishes conditions for answering the
Go to the INTERMITTENT
FAI LURE CHART next question.
in the 5110 SERVICE AIDS.
009
Is the PROCESS CHECK intermittent7---------0uestion-answer either yes or no. Continue from
Y N your answer to the next question or instruction.
010
(Entry Point H)
Bad RESTART switch. -------------- Action-possible fixes for the failure. Replace, repair,
Check/replace Z3 (display and control panel) or adjust
in the order given. (Check/replace means to
cable (see MAP 0210 and MIM 210, 241). check first, then replace if defective.)
Is the display blank or dark 7
Y N
011 Reference number-refers to a location graphic,
Are there
~ny devices attached to th~ maintenance procedure, chart, or other pertinent
5110 I/O mterface port? (see MIM information in the maintenance section.
271)
Y N
7 7 1
558
o E F G-
1-10
_ On-page reference-indicates the trace on this page
from which this leg of the MAP continues.
MAP 0100-5
I

MAP 0100·6
This page intentionally left blank.
MAP 0100·6

START MAP 0200
('.'"
PAGE 1 OF 5
ENTRY
POINTS
('"
',,",
FROM ENTER THIS
MAP
. _/
MAP ENTRY
PAGE STEP
NUMBER POINT NUMBER NUMBER
..
('
0300 A 2
001
0900 A 2
001
_/
C
MAP 0200, ENTRY POINT A IS ON PAGE 2
c
c © Copyright IBM Corp. 1979
MAP 0200-1
EXIT POINTS
EXIT THIS MAP
TO
PAGE
STEP MAP ENTRY
NUMBER NUMBER NUMBER
POINT
4 020 0300 B
4 020 0310 A
3 014 0400 A
3 018 0400 D
5 030 0420 A
4 020 0420 A
4
021 0420 A
4 026 0420 A
5 027 0500 A
3 012 0500 A
4 025 0500 A
3 015 0500 A
4 020 0500 A
4 024 0500 A
4 020 0510 A
4 020 0600 A
4 020 0810 A
4 020 0830 A
4 020 0850 A
4 020 0880 A
4 020 0900 A
4 020 0900 C
4 020 0900 D
4 020 0900 F
01JAN79
EC 836600 PEC 835541
MAP 0200-1
I

START MAP
PAGE 2 OF 5
001
(Entry Point A)
When the MAP leads to a bad card, measure the
voltages at the card location before replacing the
card (see
MIM 274, DC VOLTAGE
DISTRIBUTION).
If any voltages are out of
tolerance Go To Map 0700, Entry Point A.
Any reference numbers in the MAPs, such as
(see MIM 241), will be for the 5110 MIM, unless
stated otherwise.
-Record customer supplied information including
error codes,
if any.
-Record the status bytes
to aid in diagnosing
intermittent
I/O problems (see STATUS BYTES
and DISPLAY REGISTERS in the Diagnostic
Aids section
of the MIM).
-Switch the L32-64-R32 switch to 64.
-Press the
bottom of the REVERSE DISPLAY
switch.
-Switch the DISPLAY REGISTERS switch to
NORMAL.
-Check that the RUN switch (under the covers) is
set
to run, if the covers are off (see MIM 201).
Is the PROCESS CHECK light on 1
Y N
002
-Power on the 5110 or press RESTART.
Does the IN PROCESS light stay on?
Y N
003
Is the 5110 display dark for all positions
of the BRIGHTNESS control?
Y N
555
ABC D
o
MAP 0200-2
004
To test the indicator lights:
-Press and hold the RESTART switch.
Are both the PROCESS CHECK light and the
IN PROCESS light on?
V N
005
Bad L2 (exec ROS) card (see MAP 050 for
jumpering).
Bad PROCESS CHECK light.
Bad IN PROCESS light.
Bad RESTART switch.
Check/ replace Z3 (display and control panel)
cable (see
MAP 0210 and MIM 248,249).
006
-Release the RESTART switch.
seconds.
Is the PROCESS CHECK light on1
V N
007
Wait 25
-Adjust the BRIGHTNESS control so that if
there are any characters on the display they
are well defined.
The 5110 display is grossly distorted
if it has a
black rather than a
white background, or is
greatly reduced
in size.
Is the 5110 display grossly distorted?
V N
008
Is the 5110 display rolling?
V N
444 3
E F G H
01JAN79
EC 836600
PEC 835541
MAP 0200-2
, jI'
..
..

("'"
(
'~'" /
. "
c'
c
H
START MAP
2
PAGE 3 OF 5
009
Does the 5110 display contain wide
horizontal bars similar to a TV set with the
horizontal hold out of adjustment?
Y N
4
010
No more than 25 seconds after RESTART is
pressed, the
following events should occur:
1. ABCDEFGH appears on the top line of the
5110 display.
2. ABCDEFGHJKLMNP appears on the top
line.
3. The
top line is cleared and either LOADO
or CLEAR WS appears once on one and
only one
iine of the 5110 display.
-Press RESTART.
Do all three events occur before 25
seconds, in sequence, after RESTART is
pressed?
Y N
011
-Switch the RUN switch under the covers
to NOT RUN (see MIM 201).
-Switch the DISPLAY REGISTERS switch
to DISPLAY REGISTERS.
(See DISPLAY
REG ISTERS in the
Diagnostic Aids section in the MIM).
Do all 1024 positions contain legible,
well-formed characters, with no blank
spaces?
Y N
012
-Switch the DISPLAY REGISTERS
switch
to NORMAL.
-Switch the RUN switch under the
covers to RUN.
Go To Map 0500, Entry Point A.
J K L
KL MAP 0200-3
013
-Switch the RUN switch under the covers to
RUN.
-ObseNe the IN PROCESS light.
-Hold down the CMD key and press the 4 key
on
the Alphameric Keyboard.
-Release
the keys.
-Press EXECUTE.
Does the IN PROCESS light turn on or
flash?
Y N
014
-Switch the DISPLAY REGISTERS switch
to NORMAL.
Go To Map 0400, Entry Point A.
015
Bringup is OK.
-Switch the DISPLAY REGISTERS switch to
NORMAL.
-Press A
TIN to reset the error condition.
Go To Map 0500, Entry Point A.
016
Does an error code appear on the display
after REST ART is pressed?
Y N
017
Are the top 13 lines of the display entirely
blank (there are 16 lines total for the
display)?
Y N
018
Go To Map 0400, Entry Point D.
019
Is the PROCESS CHECK light on?
Y N
444
M N P
01JAN79
EC 836600 PEC 835541
MAP 0200-3
I

P
3
020
(Entry Point E)
START MAP
PAGE 4 OF 5
-Use the customer information recorded earlier
and the customer error code charts
to determine
the probable failure area.
-Record the status bytes
to aid in diagnosing
intermittent I/O problems (see STATUS BYTES
and DISPLAY REGISTERS in
the Diagnostic
Aids section of the MIM).
Exit to the appropriate MAP :
-INTERNAL TAPE UNIT
Go To Map 0300, Entry Point B.
-5114 DRIVE 1 (only use this Map if the 5110
does NOT have an internal tape drive)
Go To Map 0310, Entry Point A.
-DISPLAY
Go To Map 0500, Entry Point A.
-TV MONITOR
Go To Map 0510, Entry Point A.
-KEYBOARD
Go To Map 0600, Entry Point A.
-PRINTER
Go To Map 0810, Entry Point A.
-BSCA, ASYNC COMM-SERIAL I/O, PARALLEL
I/O
Go To Map 0830, Entry Point A.
-AUXILIARY TAPE UNIT
Go To Map 0850, Entry Point A.
-DISKETTE DRIVE
Go To Map 0880, Entry Point A.
-PROCESS CHECK
Go To Map 0420, Entry Point A.
(Step 020 continues)
E F GJ MN
2 2 2 3 3 3
MAP 0200-4
(Step 020 continued)
-ALARM
Go To Map 0900,
Entry Point D.
-5110 SWITCH CHECKOUT
Go To Map 0900,
Entry Point
F.
-MACHINE CHECKOUT
Go To Map 0900,
Entry Point A.
-If the failing area can not be
identified
from the list above:
Go To Map 0900,
Entry Point
C.
021
Go
To Map 0420, Entry Point A.
022
Go to Step 020,
Entry Point
E.
023
Bad display assembly (see MIM 204).
024
The vertical frequency may be out of
adjustment (see MIM 247 for adjustment).
*************
* CAUTION *
*************
High voltage is present.
If this adjustment has no effect
Go To Map 0500, Entry Point A.
025
Go To Map 0500, Entry Point A.
026
Go To Map 0420, Entry Point A.
01JAN79
EC 836600
PEe 835541
MAP 0200-4
,t' ""',
"",_ ,.lIto'