Agilent Technologies Infinium DCA 86100A Manual de usuario

Agilent 86100A/B/C

Wide-Bandwidth Oscilloscope

Mainframe Service Guide

Notices

2010

No part of this manual may be

reproduced in any form or by any

means (including electronic storage

and retrieval or translation into a

foreign language) without prior

agreement and written consent from

Agilent Technologies, Inc. as gov-

erned by United States and interna-

tional copyright lays.

Manual Part Number

86100-90112

Edition

January 2010

Edition 2

Printed in USA

Agilent Technologies, Inc.

Digital Test Division

1400 Fountaingrove Parkway

Santa Rosa, CA 95403, USA

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without

notice, in future editions. Further, to

the maximum extent permitted by

applicable law,Agilent disclaims all

warranties, either express or

implied, with regard to this manual

and any information contained

herein, including but not limited to

the implied warranties of merchant-

ability and fitness for a particular

purpose. Agilent shall not be liable

for errors or for incidental or conse-

quential damages in connection

with the furnishing, use, or perfor-

mance of this document or of any

information contained herein.

Should Agilent and the user have a

separate written agreement with

warranty terms covering the mate-

rial in this document that conflict

with these terms, the warranty terms

in the separate agreement shall con-

trol.

Technology Licenses

The hardware and/or software

described in this document are fur-

nished under a license and may be

used or copied only in accordance

with the terms of such license.

Restricted Rights Legend

If software is for use in the perfor-

mance of a U.S. Government prime

contract or subcontract, Software is

delivered and licensed as “Com-

mercial computer software” as

defined in DFAR 252.227-7014

(June 1995), or as a “commercial

item” as defined in FAR 2.101(a) or

as “Restricted computer software”

as defined in FAR 52.227-19 (June

1987) or any equivalent agency reg-

ulation or contract clause. Use,

duplication or disclosure of Soft-

ware is subject to Agilent Technolo-

gies’standard commercial license

terms, and non-DOD Departments

and Agencies of the U.S. Govern-

ment will receive no greater than

Restricted Rights as defined in FAR

52.227-19(c)(1-2)(June1987).U.S.

Government users will receive no

greater than Limited Rights as

defined in FAR 52.227-14 (June

1987) or DFAR 252.227-7015

(b)(2) (November 1995), as applica-

ble in any technical data.

Safety Notices

CAUTION

Caution 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. Do not

proceed beyond a caution sign until

the indicated conditions are fully

understood and met.

WARNING

Warning denotes a hazard. It calls

attention to a procedure which, if

not correctly performed or adhered

to, could result in injury or loss of

life. Do not proceed beyond a warn-

ing sign until the indicated condi-

tions are fully understood and met.

Contents

Contents-1

1 General Information

Introduction 1–2

Safety Information 1–3

Cleaning Optical Connectors 1–4

Electrostatic Discharge Information 1–8

Returning the Instrument for Service 1–9

Supplied Accessories 1–11

Preventative Maintenance, 86100A/B/C 1–12

Memory Declassification Procedure 1–14

Software License Maintenance, 86100C 1–16

DCA Options and Option Upgrades 1–21

2 Automated Testing and the VISION Test System

Introduction 2–2

Test System Connections and Equipment 2–8

Test System Block Diagram 2–12

3 Adjustments

Introduction 3–2

Timebase Adjustment 3–3

Touchscreen Calibration 3–9

Set Mainframe Serial Number 3–10

4 Performance Verification

Introduction 4–2

Fan Check 4–5

Floppy Drive Check, 86100A/B 4–6

CD Drive Check, 86100B 4–7

Front Panel Check 4–8

Touchscreen Check 4–9

All Non-Interactive Checks 4–10

Internal Temperature Check 4–12

Trigger Port Check 4–13

Gated Trigger Check 4–15

Rear Panel 15 Volt Check, 86100A/B 4–17

Divided Trigger Check, 86100C Option 001 4–18

Module Calibration Check 4–20

Time Base Accuracy Test 4–21

Fine Timebase Accuracy Test, 86100C 4–24

Trigger Level Accuracy Check 4–26

Calibrator Accuracy Test 4–29

Trigger Jitter Test, Standard 4–31

Trigger Jitter Test, Option 001 4–35

Pattern Lock Check, 86100C Option 001 4–39

Optical Power Check, Slot 1 and 2 4–41

Performance Test Record 4–43

External Monitor 4–45

Screen/Display 4–46

Contents-2

5 Instrument Refurbishment

Introduction 5–2

Drive C Recovery 5–2

Drive D Restoration 5–4

Refurbishing an 86100C 5–5

Refurbishing an 86100C (Alternate Method) 5–8

Refurbishing an 86100A/B 5–13

6 Instrument Modifications

Introduction 6–2

86100B/C Instruments 6–3

86100A Instruments 6–17

7 Assembly Replacement

Introduction 7–2

To Remove the Instrument Cover 7–3

To Remove the Front Panel 7–6

To Replace the Front Panel Trigger Input 7–11

To Replace the Batteries 7–13

To Replace the Display Backlights 7–15

To Replace the A1 Power Supply 7–17

To Replace the A2 Flat Panel Display 7–20

To Replace the A3 Backlight Inverter 7–21

To Replace the A4 PC Motherboard 7–24

To Replace the A7 Front-Panel Keyboard 7–35

To Replace the A7A2 Touch Screen 7–37

To Replace the A8 Touch Screen Controller 7–38

To Replace the A9 Hard Drive 7–39

To Replace the A12 Distribution Assembly 7–42

To Replace the A13 Acquisition and 86100C A14 Counter Assembly (Option 001) 7–45

8 Replaceable Parts—86100A

Introduction 8–2

Major Assembly and Cable Location 8–3

Front View Identification 8–6

Front Inside Panel Identification 8–8

Front View, Front Panel Removed, Identification 8–10

Rear View Identification 8–12

Left and Right Side Identification 8–14

Left Side, Cover Removed, Identification 8–16

Right Side, Cover Removed, Identification 8–18

Bottom View Identification 8–20

Bottom View, Cover Removed, Identification 8–22

Top View, Cover Removed, Identification 8–24

Rear Panel Identification 8–26

Block Diagrams 8–27

9 Replaceable Parts—86100B

Introduction 9–2

Major Assembly and Cable Location 9–3

Front View Identification 9–6

Front Inside Panel Identification 9–8

Front View, Front Panel Removed, Identification 9–10

Rear View Identification 9–12

Left and Right Side Identification 9–13

Contents-3

Left Side, Cover Removed, Identification 9–14

Right Side, Cover Removed, Identification 9–15

Bottom View Identification 9–16

Bottom View, Cover Removed, Identification 9–17

Top View, Cover Removed, Identification 9–18

Rear Panel Identification 9–20

Block Diagrams 9–21

10 Replaceable Parts—86100C

Introduction 10–2

Major Assembly and Cable Location 10–3

Top View, Cover Removed, Identification 10–8

Front View Identification 10–10

Front Inside Panel Identification 10–12

Rear View Identification 10–14

Rear Panel Identification 10–15

Left and Right Side Identification 10–16

Left Side, Cover Removed, Identification 10–17

Bottom View Identification 10–18

Bottom View, Cover Removed, Identification 10–19

Block Diagrams 10–20

Contents-4

Introduction 1-2

Safety Information 1-3

Cleaning Optical Connectors 1-4

Electrostatic Discharge Information 1-8

Returning the Instrument for Service 1-9

Supplied Accessories 1-11

Preventative Maintenance, 86100A/B/C 1-12

Memory Declassification Procedure 1-14

Software License Maintenance, 86100C 1-16

DCA Options and Option Upgrades 1-21

General Information

1-2

General Information

Introduction

In this chapter, you will find general information on caring for your optical devices. This manual

documents the service and repair of the Agilent 86100A/B/C to the assembly level. Before ser-

vicing the mainframe, you should be aware that amplitude calibration data can only be installed

by the factory. Whenever you contact Agilent Technologies about your mainframe, have the

complete serial number and option designation available. This will ensure you obtain accurate

service information. Refer to Table 1-1 for a list of internal labels. To locate a major instrument

assembly, refer to the following figures:

• For the 86100A, refer to Figure 8-1 on page 8-5

• For the 86100B, refer to Figure 9-1 on page 9-5

• For the 86100C, refer to Figure 10-1 on page 10-6

Protect against ESD damage

Electrostatic discharge (ESD) can damage or destroy electronic components. All work on elec-

tronic assemblies should be performed at a static-safe work station. Refer to “Electrostatic Dis-

charge Information” on page 1-8 for more information on preventing ESD.

Servicing requires

special tools The tools listed below are required to repair all versions of the Agilent 86100A/B/C.

• T-6 screwdriver p/n 8710-1618

• T-8 screwdriver p/n 8710-1614

• T-10 screwdriver p/n 8710-1623

• T-25 screwdriver p/n 8710-1617

• T-15 screwdriver p/n 8710-1622

• wire cutter p/n 8710-0012

• small pozidrive screwdriver p/n 8710-0899

• long-nose pliers p/n 8710-1107

• Flexure Lock p/n 5022-0115

• 4-mm allen driver

• 5/64 allen driver

Table 1-1. Internal Labels

This label warns you about hazardous voltages

present on the power supply. Use extreme caution.

1-3

General Information

Safety Information

Before servicing the mainframe, familiarize yourself with the safety markings on the instrument

and the safety instructions in this manual. This instrument has been manufactured and tested

according to international safety standards. To ensure safe operation of the instrument and the

personal safety of the user and service personnel, the cautions and warnings in this manual must

be heeded. Refer to the summary of safety considerations at the front of this manual.

This product has been designed and tested in accordance with IEC Publication 1010, Safety

Requirements for Electronic Measuring Apparatus, and has been supplied in a safe condition.

The instruction documentation contains information and warnings which must be followed by

the user to ensure safe operation and to maintain the product in a safe condition.

WARNING These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do

not perform any servicing unless you are qualified to do so.

WARNING The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the

product from all voltage sources while it is opened.

WARNING The power cord is connected to internal capacitors that may remain live for five seconds after

disconnecting the plug from its power supply.

WARNING The detachable power cord is the instrument disconnecting device. It disconnects the mains

circuits from the mains supply before other parts of the instrument. The front panel switch is only

a standby switch and is not a LINE switch (disconnecting device).

WARNING 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

earthcontact.Any interruptionofthe protectiveconductorinside oroutsideof theproduct islikely

to make the product dangerous. Intentional interruption is prohibited.

WARNING Use of controls oradjustment or performance of procedures other than those specified herein may

result in hazardous radiation exposure.

CAUTION Clean the cabinet using a damp cloth only.

NOTE The warranty is null and void on instruments that have had the seals broken by the customer. The

instrument should only be disassembled by Agilent Technologies Customer Engineers.

1-4

General Information

Cleaning Optical Connectors

Accurate and repeatable measurements require clean connections. Use the following guidelines

to achieve the best possible performance when making measurements on a fiber-optic system:

• Keep connectors covered when not in use.

• Use dry connections whenever possible.

• Use the cleaning methods described in this section.

• Use care in handling all fiber-optic connectors.

• When inserting a fiber-optic connector into a front-panel adapter, make sure that the fiber end

does not touch the outside of the mating connector or adapter.

Because of the small size of cores used in optical fibers, care must be used to ensure good con-

nections. Poor connections result from core misalignment, air gaps, damaged fiber ends, contam-

ination, and improper use and removal of index-matching compounds.

Use dry connections. Dry connectors are easier to clean and to keep clean. Dry connections can

be used with physically contacting connectors (for example, Diamond HMS-10, FC/PC, DIN,

and ST). If a dry connection has 40 dB return loss or better, making a wet connection will proba-

bly not improve, and can actually degrade, performance.

CAUTION Agilent Technologies strongly recommends that index matching compounds not be applied to

their instruments and accessories. Some compounds, such as gels, may be difficult to remove and

can contain damaging particulates. If you think the use of such compounds is necessary, refer to

the compound manufacturer for information on application and cleaning procedures.

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