HP 70004A User manual

Service Guide
HP 70004A
Color Display
ABCDE
HP Part No. 70004-90046
Printed in USA August 1994
Edition A.0.0
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Notice
The information contained in this document is subject to change without notice.
Hewlett-Packard makes no warranty of any kind with regard to this material, including
but not limited to, the implied warranties of merchantability and tness for a particular
purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or use of this material.
c
 Copyright Hewlett-Packard Company 1989, 1994
All Rights Reserved. Reproduction, adaptation, or translation without prior written permission
is prohibited, except as allowed under the copyright laws
.
1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA
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Certication
Hewlett-Packard Company certies that this product met its published specications at the
time of shipment from the factory. Hewlett-Packard further certies that its calibration
measurements are traceable to the United States National Institute of Standards and
Technology, to the extent allowed by the Institute's calibration facility, and to the calibration
facilities of other International Standards Organization members.
Warranty
This Hewlett-Packard instrument product is warranted against defects in material and
workmanship for a period of one year from date of shipment. During the warranty period,
Hewlett-Packard Company will, at its option, either repair or replace products which prove to
be defective.
For warranty service or repair, this product must be returned to a service facility designated by
Hewlett-Packard. Buyer shall prepay shipping charges to Hewlett-Packard and Hewlett-Packard
shall pay shipping charges to return the product to Buyer. However, Buyer shall pay all
shipping charges, duties, and taxes for products returned to Hewlett-Packard from another
country.
Hewlett-Packard warrants that its software and rmware designated by Hewlett-P
ackard for
use with an instrument will execute its programming instructions when properly installed on
that instrument. Hewlett-Packard does not warrant that the operation of the instrument, or
software, or rmware will be uninterrupted or error-free.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper or inadequate
maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modication or
misuse, operation outside of the environmental specications for the product, or improper
site preparation or maintenance.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HEWLETT-PACKARD SPECIFICALLY
DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE.
Exclusive Remedies
THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE REMEDIES.
HEWLETT-PACKARD SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER BASED ON CONTRACT, TORT,
OR ANY OTHER LEGAL THEORY.
Assistance
Product maintenance agreements and other customer assistance agreements are available for
Hewlett-Packard products.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Oce.
iii
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Safety Symbols
The following safety symbols are used throughout this manual. Familiarize yourself with each
of the symbols and its meaning before operating this instrument.
CAUTION
The CAUTION sign denotes a hazard. It calls attention to a procedure which, if
not correctly performed or adhered to, could result in damage to or destruction
of the product or the user's work. Do not proceed beyond a CAUTION sign
until the indicated conditions are fully understood and met.
WARNING
The WARNING sign denotes a hazard. It calls attention to a procedure
which, if not correctly performed or adhered to, could result in injury
to the user. Do not proceed beyond a WARNING sign until the indicated
conditions are fully understood and met.
DANGER
The DANGER sign denotes an imminent hazard to people. It warns the
reader of a procedure which, if not correctly performed or adhered to,
could result in injury or loss of life. Do not proceed beyond a DANGER
sign until the indicated conditions are fully understood and met.
iv
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General Safety Considerations
WARNING
These servicing instructions are for use by qualied personnel only.To
avoid electrical shock, do not perform any servicing unless you are
qualied to do so.
The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the instrument from all voltage sources while it is
being opened.
The power cord is connected to internal capacitors that may remain live
for ve seconds after disconnecting the plug from its power supply.
This is a Safety Class 1 Product (provided with a protective earthing
ground incorporated in the power cord). The mains plug shall only be
inserted in a socket outlet provided with a protective earth contact.
Any interruption of the protective conductor inside or outside of the
instrument is likely to make the instrument dangerous. Intentional
interruption is prohibited.
For continued protection against re hazard, replace fuse only with
same type and ratings, (type nA/nV). The use of other fuses or materials
is prohibited.
WARNING
Before this instrument is switched on, make sure it has been properly
grounded through the protective conductor of the ac power cable to a
socket outlet provided with protective earth contact.
Any interruption of the protective (grounding) conductor, inside
or outside the instrument, or disconnection of the protective earth
terminal can result in personal injury.
Before this instrument is switched on, make sure its primary power
circuitry has been adapted to the voltage of the ac power source
.
Failure to set the ac power input to the correct voltage could cause
damage to the instrument when the ac power cable is plugged in.
v
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Servicing at a Glance
vi
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The color display is used in HP 70000 Series modular measurement systems. A standard
modular spectrum analyzer system includes a mainframe with an RF section, IF section, local
oscillator, an optional display, and an optional precision frequency reference.
Software and documentation supplied
This service guide is part of an Option OB3 package which includes:
HP 70004A Service Guide
HP 70004A Component Level Information Packages
Tools needed
Before servicing, refer to Chapter 5 for a list of the tools and accessories that may be needed
during servicing.
Antistatic precautions
Electrical components are easily damaged by small amounts of static electricity. If possible,
work at a static-safe work station. For further information, refer to \Preparing a Static-Safe
Work Station" in Chapter 4.
vii
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In This Book
This book describes all of the service procedures necessary to test, adjust, calibrate,
troubleshoot, and repair your color display in an HP 70000 Series modular measurement
system.
Each module in the HP 70000 Series modular measurement system has its own service guide.
For further information related to the servicing of additional and alternate modules that can be
used in this system, refer to that module's service guide.
This service guide is part of an Option OB3 package which consists of two manuals.
Manual 1
Chapter 1 provides information to help get you started so that your color display is serviced
properly.
Chapter 2 would have contained information needed to use module verication software, but
your color display does not require this software because there are no module verication
tests.
Chapter 3 contains information to help identify and resolve some common problems that may
occur with your color display before extensive servicing.
Chapter 4 contains information about troubleshooting your color display
. It presents
information on preparing a static-safe work station and then it presents a set of
troubleshooting procedures that can be used to optimize repair time
.
Chapter 5 contains tables with a complete listing of all equipment that may be required for
servicing.
Chapter 6 contains the setups for all adjustment procedures that are used to optimize module
performance when assemblies are changed, repaired, or adjusted.
Chapter 7 would have contained information needed to perform all module verication tests
,
but your color display does not have any module verication tests
.
Chapter 8 would have contained information needed for all equipment calibration
procedures, but your color display does not have any equipment calibration procedures
.
Chapter 9 contains procedures for removal and replacement of major assemblies in your
color display. It also contains information needed to order mechanical parts for your
color display.
Chapter 10 contains information on all overall parts identication drawings that should be
used when performing the troubleshooting procedures descibed in this service guide.
An index is also added at the end of this service guide to aid the user in nding key items of
interest.
Manual 2
Manual 2 contains packets of component-level repair information for each color display
board assembly that has eld-replaceable parts. Each packet includes the parts list,
component-location drawing, and schematics for a specic board-assembly part number. This
manual also contains a table that can be used to cross reference dierent board assemblies
that have dierent serial prex breaks.
Before you begin servicing , refer to \Preparing a Static-Safe Work Station" in Chapter 4.
viii
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Contents
1. Getting Started
What Is Servicing? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
When Is Servicing Needed? . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
If You Want Hewlett-Packard to Service Your Color Display . . . . . . . . . . . 1-3
Determining Your Color Display's Serial Number . . . . . . . . . . . . . . . 1-3
Returning Your Color Display for Service .. .. .. .. .. .. .. .. .. 1-5
2. Module Verication Software
3. Before Extensive Servicing
If an E is Flashing in the Display Status Box . . . . . . . . . . . . . . . . . . 3-2
4. Troubleshooting
Safety Considerations ............................ 4-1
Preparing a Static-Safe Work Station ..................... 4-2
Reducing ESD Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Static-Safe ESD Accessories .. .. .. .. .. .. .. . .. .. .. .. . 4-3
If Display-Disruptive Errors Occur .................... 4-4
If Hardware-Warning Errors Messages (6000 {6999) Occur ......... 4-7
If Hardware Error Messages (7000{7999) Occur .............. 4-8
Overall Block Diagram of Color Display .. .. .. .. .. .. .. .. .. 4-10
Display Troubleshooting ........................... 4-11
Diagnostic Tools ............................... 4-13
A4 Power Supply Diagnostic Tools ..................... 4-13
Display Diagnostic Tools, Turn-On . . . . . . . . . . . . . . . . . . . . . . 4-13
Display Diagnostic Tools, Front-Panel .................... 4-13
Display Diagnostic Tools,Failures . . . . . . . . . . . . . . . . . . . . . . 4-14
HP-MSIB Diagnostic Tools .... .. .. .. .. .. .. .. .. .. .. . 4-14
Test Pattern Diagnostic Tools ........................ 4-15
Troubleshooting the A4 Power Supply . . . . . . . . . . . . . . . . . . . . . 4-16
State 1. No Observed Power. The Front-Panel Power Indicator is O. . . . . . 4-20
State 2. The FAULT Indicator Light (A4DS6) is Lit. . . . . . . . . . . . . . . 4-23
State 3. The I LIMIT Fault Indicator Light (A4DS5) is Lit. .......... 4-26
State 4. Front-Panel LINE Indicator is O. Modules Have Power........ 4-28
State 5. Normal Operation Except Display is Blank. ............. 4-29
State 6. Front-Panel Indicators Normal, No Module Power. .......... 4-31
Component-Level Hints .......................... 4-32
Display and Processor Troubleshooting .. .. .. .. .. .. .. .. .. .. 4-33
Identifying the Failed Assembly ...................... 4-33
State 7. Display Disruptive Messages..................... 4-33
State 8. Abnormal CRT Display. .. .. .. .. .. .. .. .. .. .. .. 4-33
State 9. Memory Card Troubleshooting. . . . . . . . . . . . . . . . . . . . 4-34
A5 Processor Component-level Troubleshooting .. .. .. .. .. .. .. . 4-34
Select Mode Tests ............................ 4-34
Service Tests .............................. 4-38
Troubleshooting LEDs and DIP Switch Map ................ 4-39
Contents-1
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Service Test List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
HP-MSIB and HP-IB Troubleshooting .. .. .. .. .. .. .. .. . .. .. 4-47
State 10. HP-MSIB Fault Indicator Light is Lit. . . . . . . . . . . . . . . . . 4-48
State 11. HP-MSIB Troubleshooting, HP-MSIB Light is O. . . . . . . . . . . 4-50
State 12. HP-IB Troubleshooting ...................... 4-53
5. Recommended Test Equipment Tables
6. Adjustment Procedures
Power Supply Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Low Line Adjustment ............................ 6-4
Current Limit Adjustment .... .. .. .. .. .. .. . .. .. .. .. . 6-7
Output Voltage Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
+65 Volt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
Monitor Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
7. Module Verication Tests
8. Equipment Calibration
9. Replacing Major Assemblies
A1 Front Panel .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 9-2
A3 Monitor/Monitor Bracket .. .. .. .. .. .. .. .. .. .. .. .. . 9-4
A4 Power Supply .............................. 9-8
A5 Processor ................................ 9-11
A6 HP-MSIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Rear Frame ................................. 9-17
Custom Key-Panel Assembly ......................... 9-18
10. Overall Parts Identication Drawings
Front View Identication . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
Top View of Monitor Identication ...................... 10-4
Rear View Identication .. .. .. .. .. .. .. .. .. .. .. .. .. . 10-6
Bottom View Identication . . . . . . . . . . . . . . . . . . . . . . . . . . 10-8
Side View Identication ........................... 10-9
A5 Processor Service View Identication .. .. .. .. .. .. .. .. .. . 10-10
Index
Contents-2
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Figures
1-1. Typical Serial Number Label .. .. .. .. .. .. .. .. .. .. .. .. 1-3
4-1. Static-Safe Work Station .. .. .. .. .. .. .. .. .. .. .. .. .. 4-2
4-2. Overall Block Diagram of Color Display ................... 4-10
4-3. A5 Processor Diagnostics Location ..................... 4-12
4-4. A4 Power Supply Indicators and Fuses (Front) . . . . . . . . . . . . . . . . 4-17
4-5. A4 Power Supply Indicators and Fuses (Back) .. .. .. .. .. .. .. .. 4-18
4-6. Voltage Selector Switch .......................... 4-20
4-7. A5 Processor Diagnostics Locations . . . . . . . . . . . . . . . . . . . . . 4-39
4-8. A5 Processor Switch Locations ....................... 4-40
4-9. Front-Panel HP-MSIB Fault Indicator Light .... .. .. .. .. .. .. . 4-49
4-10. HP-MSIB Module Connector ........................ 4-52
6-1. Low Line Adjustment .. .. .. .. .. .. .. .. .. .. .. .. .. . 6-5
6-2. Current Limit Adjustment ......................... 6-7
6-3. Output Voltage Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
6-4. +65 Volt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
6-5. Monitor Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
9-1. A1 Front Panel Removal/Replacement . . . . . . . . . . . . . . . . . . . . 9-3
9-2. A3 Monitor/Monitor Bracket Removal/Replacement (1 of 2) . . . . . . . . . . 9-6
9-3. A3 Monitor/Monitor Bracket Removal/Replacement (2 of 2) . . . . . . . . . . 9-7
9-4. A4 Power Supply Removal/Replacement . . . . . . . . . . . . . . . . . . . 9-10
9-5. A5 Processor Removal/Replacement . . . . . . . . . . . . . . . . . . . . . 9-13
9-6. A6 HP-MSIB Removal/Replacement . . . . . . . . . . . . . . . . . . . . . 9-16
9-7. Rear Frame Removal/Replacement ..................... 9-17
9-8. Installing the Custom Keypad (Without Button) .. .. .. .. .. .. .. . 9-18
9-9. Installing the Custom Keypad . . . . . . . . . . . . . . . . . . . . . . . . 9-19
10-1. Overall Parts Identication Drawing, Front View .............. 10-3
10-2. Overall Parts Identication Drawing, Top View ............... 10-5
10-3. Overall Parts Identication Drawing, Rear View . . . . . . . . . . . . . . . 10-7
10-4. Overall Parts Identication Drawing, A5 Service View .. .. .. .. .. .. 10-11
Tables
1-1. Hewlett-Packard Sales and Service Oces . . . . . . . . . . . . . . . . . . 1-4
1-2. Packaging for an 8/8 Module .. .. .. .. .. .. .. .. .. .. .. .. 1-6
4-1. Static-Safe ESD Accessories .. .. .. .. .. .. .. . .. .. .. .. . 4-3
4-2. Display-Disruptive Errors and Their Associated A5DS2 LED Patterns .... . 4-4
4-3. Decimal/Hexadecimal Conversion . . . . . . . . . . . . . . . . . . . . . . 4-15
4-4. Select Mode Tests .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-35
4-5. Test Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
5-1. Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . 5-1
6-1. A4 Power Supply Adjustable Components . . . . . . . . . . . . . . . . . . 6-2
10-1. Overall Parts Identication Drawing, A5 Service View .. .. .. .. .. .. 10-10
Contents-3
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1
Getting Started
This chapter provides information to help get you started so that your color display is serviced
properly.
This chapter answers the questions \What Is Servicing?" and \When Is Servicing Needed?".
It then describes the procedures used to return your color display to Hewlett-Packard for
servicing.
Getting Started 1-1
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What Is Servicing?
Servicing includes testing, adjusting, calibrating, troubleshooting, and repairing.
There are dierent categories of testing available. These categories are module verication
tests, system verication of operation tests, and system performance tests.
Module
Verication Tests
Module verication tests are used to test modules so that when assembled
into a system, the system meets the system's specications. These sets of
tests are used during servicing.
System
Verication of
Operation Tests
System verication of operation tests are used to verify the proper
operation of an instrument and to verify that the instrument meets
approximately 80% of its measurement related specications. These sets of
tests are subsets of system performance tests.
System
Performance
Tests
System performance tests are used to verify the proper operation of a
complete modular measurement system (MMS) to full system specications.
This service guide provides information related to testing, adjusting, calibrating,
troubleshooting, and repairing your color display; it also provides information on module
verication tests. These sets of tests are used during servicing.
For information related to system verication of operation tests
, refer to the HP 70000 Modular
Spectrum Analyzer Installation and Verication Manual , and for information related to
system performance tests, refer to the documentation for HP 11990A system performance test
software.
When Is Servicing Needed?
Servicing is needed:
if error messages are displayed on your HP 70000 Series display
if an ERROR LED or FAULT LED is on
to perform repairs or adjustments or both
to verify the correct operation of your color display
or, if applicable, when upgrading rmware
If you determine that your color display needs servicing, you can perform the servicing
yourself or, you can return your color display to a Hewlett-Packard service center.
1-2 Getting Started
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If You Want Hewlett-Packard to Service Your Color Display
Before calling Hewlett-Packard or returning your color display for service, please read your
warranty information. Warranty information is printed at the front of this service guide.
In any correspondence or telephone conversations, refer to the color display by its full model
number and full serial number. With this information, the Hewlett-Packard representative can
determine whether your unit is still within its warranty period.
Determining Your Color Display's Serial Number
When a module is manufactured by Hewlett-Packard, it is given a unique serial number. This
serial number is attached to a label on the front frame or front panel of the module. A serial
number label is in two parts. (Refer to Figure 1-1.) The rst part makes up the serial number
prex and consists of four digits and a letter. The second part makes up the serial number
sux and consists of the last ve digits on the serial number label. The serial number prex is
the same for all identical modules; it only changes when a change in the electrical or physical
functionallity is made. The serial number sux, however, changes sequentially and is dierent
for each module.
Figure 1-1. Typical Serial Number Label
Getting Started 1-3
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Table 1-1. Hewlett-Packard Sales and Service Oces
US FIELD OPERATIONS EUROPEAN OPERATIONS INTERCON OPERATIONS
HEADQUARTERS HEADQUARTERS HEADQUARTERS
Hewlett-Packard Company Hewlett-Packard S.A. Hewlett-Packard Company
19320 Pruneridge Avenue 150, Route du Nant-d'Avril 3495 Deer Creek Rd.
Cupertino, CA 95014, USA 1217 Meyrin 2/Geneva Palo Alto, California 94304-1316
[phone] Switzerland [phone]
(41 22) 780.8111
California Australia
Hewlett-Packard Co. France Hewlett-Packard Australia Ltd.
1421 South Manhattan Ave. Hewlett-Packard France 31-41 Joseph Street (P.O. Box 221)
Fullerton, CA 92631 1Avenue Du Canada Blackburn, Victoria 3130
[phone] Zone D'Activite De Courtaboeuf (61 3) 895-2895
F-91947 Les Ulis Cedex
Hewlett-Packard Co. France Canada
301 E. Evelyn (33 1) 69 82 60 60 Hewlett-Packard (Canada) Ltd.
Mountain View, CA 94041 17500 South Service Road
[phone] Germany Trans-Canada Highway
Hewlett-Packard GmbH Kirkland, Quebec H9J 2X8
Colorado Hewlett-Packard-Strasse Canada
Hewlett-Packard Co. 61352 Bad Homburg [phone]
24 Inverness Place, East Germany
Englewood, CO 80112 ([phone]
[phone] Japan
Great Britain Yokogawa-Hewlett-Packard Ltd.
Georgia Hewlett-Packard Ltd. 1-27-15 Yabe, Sagamihara
Hewlett-Packard Co. Eskdale Road, Winnersh Triangle Kanagawa 229, Japan
2000 South Park Place Wokingham, Berkshire RG11 5DZ (81 427) 59-1311
Atlanta, GA 30339 England
[phone] (44 734) 696622
China
Illinois China Hewlett-Packard, Co.
Hewlett-Packard Co. 38 Bei San Huan X1 Road
5201 Tollview Drive Shuang Yu Shu
Rolling Meadows, IL 60008 Hai Dian District
[phone] Beijing, China
(86 1) 256-6888
New Jersey
Hewlett-Packard Co. Singapore
150 Green Pond Road Hewlett-Packard Singapore
Rockaway, NJ 07866 Pte. Ltd.
[phone] Alexandra P.O. Box 87
Singapore 9115
Texas (65) 271-9444
Hewlett-Packard Co.
930 E. Campbell Rd. Taiwan
Richardson, TX 75081 Hewlett-Packard Taiwan
[phone] 8th Floor, H-P Building
337 Fu Hsing North Road
Taipei, Taiwan
(886 2) 712-0404
1-4 Getting Started
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Returning Your Color Display for Service
Hewlett-Packard has sales and service oces around the world to provide complete support for
your color display.To obtain servicing information or to order replacement parts, contact the
nearest Hewlett-Packard sales and service oce listed in Table 1-1 .
Use the following procedure to return your color display to Hewlett-Packard for service:
1. Fill out a service tag (available at the end of this service guide) and attach it to the
instrument. Please be as specic as possible about the nature of the problem. Send a copy
of any or all of the following information:
any error messages that appeared on the HP 70000 Series display
a completed Performance Test record
any other specic data on the performance of the color display
CAUTION
Damage can result if the original packaging materials are not used. Packaging
materials should be anti-static and should cushion the color display on all sides.
Never use styrene pellets in any shape as packaging materials. They do not
adequately cushion the instrument or prevent it from moving in the shipping
container. Styrene pellets can also cause equipment damage by generating
static electricity or by lodging in fan motors.
2. Place the color display in its original packaging materials
.
If the original packaging materials are not available, you can contact a Hewlett-Packard
sales and service oce to obtain information on packaging materials or you may use an
alternative packing material referred to as \bubble-pack". One of the companies that makes
bubble-pack is Sealed Air Corportation of Commerce, California, 90001.
3. Surround the color display with at least 3 to 4 inches of its original packing material or
bubble-pack to prevent the color display from moving in its shipping container
.
4. Place the color display, after wrapping it with packing material, in its original shipping
container or a strong shipping container that is made of double-walled corrugated cardboard
with 159 kg (350 lb) bursting strength.
The shipping container must be both large enough and strong enough to accommodate your
color display and allow at least 3 to 4 inches on all sides for packing material.
5. Seal the shipping container securely with strong nylon adhesive tape.
6. Mark the shipping container \FRAGILE, HANDLE WITH CARE" to help ensure careful
handling.
7. Retain copies of all shipping papers.
Getting Started 1-5
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Table 1-2. Packaging for an 8/8 Module
Item Description HP Part Number Qty
1 Corrugated Carton (Top) 9211-6785 1
2 Foam Corner-Pads 5040-6967 8
3 Flat End-Cap 9220-4962 1
4 Static Sheet 9222-1806 1
5 Front Cover 5040-6974 1
6 Foam Plastic 4208-1210 1
7 Corrugated Pad 9220-5072 1
8 Corrugated Carton (Outer) 9211-7065 1
1-6 Getting Started
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2
Module Verication Software
Module Verication Software is a program that is designed to automate module verication
tests and adjustment procedures.
Note
The HP 70004A color display does not have any automated module verication
tests and therefore does not use module verication software.
The HP 70004A color display's tests and adjustment procedures are not
automated; they require the user to perform step-by-step manual procedures.
Module Verication Software 2-1
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