HP 1740A - Service Manual

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OPERATING
AND
SERVICE
MANUAL
MODEL 1740A
OSCILLOSCOPE
(Including Options 001, 090, 101, 102, 900, 901,
902, and 903)
SERIAL NUMBERS
This
manual
applies
directly
to
instruments
with
serial
numbers
prefixed
1632A.
With
changes
described
in
Section
VII,
this
manual
also
‘|
applies
to
instruments
with
serial
numbers
prefixed
,
1522A
through
1616A.
For
additional
important
information
about
serial
num-
bers,
see
INSTRUMENT
AND
MANUAL
IDENTIFICA-
TION
in
Section
I.
HEWLETT-PACKARD
COMPANY/COLORADO
SPRINGS
DIVISION
1900
GARDEN
OF
THE
GODS
ROAD,
COLORADO
SPRINGS,
COLORADO,
U.S.A.
) Manual Part Number 01740-90909
Microfiche Part Number 01740-90809
PRINTED: AUGUST 1976

HP 1740A Specifications

General

Type	Oscilloscope
Bandwidth	100 MHz
Channels	2
Rise Time	3.5 ns
Trigger Modes	Auto, Normal, Single
Input Impedance	1 MΩ
Trigger Source	Line
Display	CRT
Power Requirements	48-440 Hz

Summary

Safety Summary

Electrical Safety Precautions

Essential safety guidelines for operating and servicing the instrument, including grounding.

Operational Hazard Warnings

Warnings regarding explosive atmospheres, live circuits, and servicing alone.

Instrument Modification and Repair Safety

Prohibitions on unauthorized modifications, parts substitution, and CRT handling.

General Information

Oscilloscope Overview and Introduction

General introduction to the HP Model 1740A dual-channel oscilloscope.

Key Specifications and Characteristics

Details critical specifications and general operating characteristics of the 1740A.

Available Accessories, Options, and Identification

Lists accessories, options, and instrument/manual identification details.

Installation

Introduction and Initial Inspection

Overview of installation procedures and initial instrument inspection.

Power Cords, Receptacles, and Requirements

Details on power cords, receptacles, and operating voltage/frequency requirements.

Repacking for Shipment

Instructions for properly repacking the instrument for shipping.

Operation

Introduction and Turn-On Procedure

Overview of operation section and steps for powering on the oscilloscope.

Operator Checks and Adjustments

Procedures for operator checks, trace alignment, astigmatism, focus, and probe compensation.

Accuracy Checks and Basic Displays

Performing timing accuracy checks and obtaining basic operational displays.

Advanced Sweep Display Modes

How to obtain magnified, delayed, and mixed sweep displays.

Special Display Modes (X-Y, Single Sweep)

Procedures for X-Y display, single sweep, and trigger view operations.