IBM AS/400 Use and care manual

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Application System/400
SY44-3942-00
9402/9404 Models 2xx Repair and Parts
Version 3

Take Note! ----------------------------------------------------------------------------------,
Before using this information and the product it supports, be sure to read the general information under "Notices" on page v.
First Edition (May 1994)
Make sure you are using the proper edition for the level of the product.
Order publications through your
IBM representative or the IBM branch serving your locality. If you live in the United States, Puerto
Rico,
or Guam, you can order publications through the IBM Software Manufacturing Company at 800+879-2755. Publications are not
stocked at the address given below.
A form for reader comments is provided at the back of this publication. If the form has been removed, you can mail your comments
to:
Attn Department 245
IBM Corporation
3605 Highway 52 N
Rochester, MN 55901-9986 USA
or you can fax your comments to:
United States and Canada: 800+937-3430
Other countries: (+1)+507+253-5192
If you have access to Intemet, you can send your comments electronically to [email protected]; IBMMAIL, to
ibmmai/(usib56rz).
When you send information to IBM, you grant IBM a non-exclusive right to use or distribute the information in any way it believes
appropriate without incurring any obligation to you or restricting your use of it.
© Copyright International Business Machines Corporation 1994. All rights reserved.
Note to U.S. Govemment Users -Documentation related to restricted rights -Use, duplication or disclosure is subject
to
restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Contents
© Copyright IBM Corp. 1994
Notices
Safety and Environmental Notices
Danger Notices
Caution Notices
Warning Notices
Product Recycling
Product Disposal
Trademarks and Service Marks
v
v
v
vi
vi
. . . . . .. vii
. . . . . . . . . . .
.. vii
............... viii
Chapter 1. Removal and Installation Procedures ......... 1-1
Chapter 2. Recovery Procedures .......... 2-1
Chapter 3. Service Referenced Procedures 3-1
Chapter 4. Parts Listing
4-1
Appendix A. Working with Electrostatic Discharge-Sensitive
Parts
................................. ...... A-1
Appendix B. Service Log
8-1
Glossary
G-1
Bibliography
H-1
Part Number Index
1-1
iii

iv AS/400 940219404 Models 2xx Repair and Parts

Notices
References in this publication to IBM products, programs, or services do not imply that IBM intends to
make these available
in all countries in which IBM operates. Any reference to an IBM product, program,
or service is not intended to state or imply that only that IBM product, program, or service may be used.
Any functionally equivalent product, program, or service that does not infringe any of the intellectual prop-
erty rights
of IBM may be used instead of the IBM product, program, or service. The evaluation and
verification of operation
in conjunction with other products, except those expressly designated by IBM, are
the responsibility of the user.
IBM may have patents or pending patent applications covering subject matter in this document. The fur-
nishing of this document does not give you any license to these patents. You can send license inquiries,
in writing, to the IBM Director of Commercial Relations, IBM Corporation, 208 Harbor Drive, Stamford, CT
06904, U.S.A.
This publication could contain technical inaccuracies or typographical errors.
This publication may refer to products that are announced but not currently available
in your country. This
publication may also refer to products that have not been announced
in your country. IBM makes no
commitment to make available any unannounced products referred to herein. The final decision
to
announce any product is based on IBM's business and technical judgment.
The drawings and specifications contained herein shall not
be reproduced in whole or in part without the
written permission of IBM.
IBM has prepared this publication for use by hardware service representatives in the maintenance or
repair of the specific machines indicated. IBM makes no representations that it is suitable for any other
purpose.
Safety and Environmental Notices
Each safety notice contains a reference number (RSFTxxxx). To see if the safety notice is available in
your language, refer to the reference number in the Safety Information book, SA41-3139.
Danger Notices
A danger notice calls attention to a situation that is potentially lethal or extremely hazardous to people.
The following danger notices apply to all procedures
in this book.
DANGER
An electrical outlet that is not correctly wired could place hazardous voltage on metal parts
of the system or the products that attach to the system. It
is the customer's responsibility
to ensure that the outlet
is correctly wired and grounded to prevent an electrical shock.
(RSFTD201)
© Copyright IBM Corp. 1994 v

DANGER
To prevent a possible electrical shock when installing the system, ensure that the power
cords for all devices are unplugged before installing signal cables. (RSFTD202)
DANGER
To prevent a possible electrical shock when adding or removing any devices to or from the
system, ensure that the power cords for those devices are unplugged before the signal
cables are
connected or disconnected. If possible, disconnect all power cords from the
existing system before you add or remove a device. (RSFTD203)
DANGER
To prevent a possible electrical shock during an electrical storm, do not connect or discon-
nect cables or station protectors for communications lines, display stations, printers, or
telephones. (RSFTD003)
DANGER
To prevent a possible electrical shock from touching two surfaces with different electrical
grounds, use one hand, when possible, to connect or disconnect signal cables. (RSFTD004)
DANGER
To prevent power from switching on automatically during service procedures, select
manual mode on the system unit control panel. (RSFTD212)
Caution Notices
A caution notice calls attention to a situation that is potentially hazardous to people because of some
existing condition.
CAUTION:
The circuit card contains lead solder. Do not burn. Discard the circuit card as instructed by local
regulations. (RSFTC234)
CAUTION:
This assembly has a circuit card that contains lead solder. Do not burn. Discard the assembly as
instructed by local regulations. (RSFTC235)
Warning Notices
A warning notice indicates the possibility of damage to a program, device, system, or data.
vi AS/400 940219404 Models 2xx Repair and Parts

Product Recycling
This unit contains recyclable materials. The unit should be recycled where facilities are available and
according to local regulations. In some areas IBM will provide a product take-back program that ensures
proper handling of the product. Contact your IBM representative for more information.
Product Disposal
This unit may contain batteries that are accessible to certified service personnel only. Before disposing of
the unit, these batteries must be removed and discarded or recycled according to local regulations.
Contact your IBM Representative to remove these batteries.
Notices vii

Trademarks and Service Marks
The following terms, denoted by an asterisk (*) in this publication, are trademarks of the IBM Corporation
in the United States or other countries or both:
Application System/400
AS/400
viii AS/400 940219404 Models 2xx Repair and Parts
IBM
OS/400

l. Chapter 1. Removal and Installation Procedures
Access Plate .
Cards
Card Enclosure
Control Panel
Covers
Disk Unit
Main Storage Card
Multiple Function Input/Output Processor
Power Supply
System Processor
Tape Unit .
Workstation Plate
© Copyright IBM Corp. 1994
1-2
1-4
1-6
1-8
1-10
1-12
1-14
1-16
1-18
1-20
1-22
1-24
1-1

Access Plate
1 Power off the system. See Powering Off
the System in Chapter 3, "Service Refer-
enced Procedures"
on page 3-1.
2 Disconnect the power cord.
3 Remove the covers. See "Covers" on
page 1-10.
1-2 AS/400 940219404 Models 2xx Repair and Parts
4 Remove the screws m.
5 Lift the access plate up and off of the
frame.
6 Replace the access plate by reversing the
removal procedure.
This ends the procedure.

System Unit
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RV3B213-2
Chapter 1. Removal an
Procedures
d Installation 1-3

Cards
Warning: All cards are sensitive to electrostatic
discharge.
See Appendix A, "Working with
Electrostatic Discharge-Sensitive Parts"
on
page A-1.
1Power off the system. See Powering Off
the System in Chapter 3, "Service Refer-
enced Procedures"
on page 3-1.
2Disconnect the power cord.
3 Remove the rear cover. See "Covers" on
page 1-10.
4 Label and disconnect any cables attached
to the card you are going to remove.
5 If you are working with card type 2620,
2628, 6502, or 6503, read the following:
CAUTION:
This card assembly contains a lithium
battery. Do not burn, exchange, or
charge the battery. Discard the card
assembly as instructed by local regu-
lations for lithium batteries. (RSFTC233)
6 If you are working with card type 2620 or
2628,
read the following:
1-4 AS/400 940219404 Models 2xx Repair and Parts
Warning: Disconnecting or removing the
type 2620 or type 2628 cryptographiC I/O
processor for
any reason causes the loss of
the master encryption
key.
Read "Cryptographic I/O Processor
Warning"
in the system Problem Analysis
documentation before disconnecting or
removing the cryptographic I/O processor.
7 Remove a full-size card from the slot by
doing the following:
a. Press the two latch surfaces together to
release each latch.
b. Pull on both latches at the same time to
remove the card from the slot.
8 Remove an adapter card by doing the fol-
lowing:
a. Press the two latch surfaces together to
release the latch.
b. Rotate the latch downward.
c. Pull on the latch to remove the adapter
card.
9 Replace the card by reversing the removal
procedure.
This ends the procedure.

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RV3B203-1
Chapter 1. Removal and Installation Procedures 1-5

Card Enclosure
1 Power off the system. See Powering Off
the System in Chapter 3, "Service Refer-
enced Procedures"
on page 3-1.
2 Disconnect the power cord.
3 Remove the covers. See "Covers" on
page 1-10.
4 Remove the access plate. See "Access
Plate"
on page 1-2.
5 Label or write down each card and the slot
where it is located.
6 Remove all of the cards in the card enclo-
sure. See "Cards"
on page 1-4.
7Disconnect the cable or cables connected
to the card enclosure. You may need to
1-6 AS/400 940219404 Models 2xx Repair and Parts
remove some disk units to access the
cables. See "Disk Unit"
on page 1-12 (start
with step 2).
8 Loosen the screws rJ. You may need to
remove some disk units to access the
screws. See "Disk Unit"
on page 1-12
(start with step 2).
9 Remove the screws iii.
10 Slide the card enclosure out of the rear of
the frame.
11 Remove the screws Ii to disassemble the
card enclosure.
12Install the card enclosure by reversing the
removal procedure.
Ensure that the cards are installed
in the
same slots where they were originally
located.
This ends the procedure.

System Unit
ns ion UnitExpa
Chapter 1. I nd InstallationRemova a . Procedures 1-7

Control Panel
Warning: The control panel is sensitive to
electrostatic discharge. See Appendix A,
"Working with Electrostatic Discharge-Sensitive
Parts"
on page A-1.
1Power off the system. See Powering Off
the System in Chapter 3, "Service Refer-
enced Procedures" on page 3-1.
2 Disconnect the power cord.
3 Remove the front and top covers. See
"Covers"
on page 1-10.
1-8 AS/400 940219404 Models 2xx Repair and Parts
4 Remove the screws m.
5 Pull the control panel assembly from the
frame.
6 Disconnect the control panel cable from the
control panel assembly.
7 Remove the screw iii to remove the bezel
assembly
II from the circuit card
assembly
m.
8 Install the control panel assembly by
reversing the removal procedure.
This ends the procedure.

,- -
RV3B205-2
Chapter 1. Removal and Installation Procedures 1-9

Covers
1 Remove the rear cover by doing the fol-
lowing:
a. Hold the cover near the top.
b. Pull until the cover comes off of the
frame.
2 Remove the front cover by dOing the fol-
lowing:
a. Hold the cover near the top.
b. Pull until the cover comes off of the
frame.
System Unit
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I
1-10 AS/400 9402/9404 Models 2xx Repair and Parts
3 Remove the top cover by lifting from the
frame.
4 Remove the side cover by doing the fol-
lowing:
a. Remove the screws Ill.
b. Lift the cover up and off of the frame.
5 Install the covers by reversing the removal
procedure.
This ends the procedure.
,
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RV3B201-4