HP 141S Service-Handbuch

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OPERATING

AND

SERVICE

MANUAL

\

.\

DISPLAY

SECTION

141S

..

.

HEWLETT

i:IJ

PACKARD

DIGITALY REMASTERED

OUT OF PRINT

HEWLETT PACKARD MANUAL SCANS

By

Artek Media

18265 200th St.

Welch, MN 55089

www.artekmedia.com

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Thanks

Dave & Lynn Henderson

Artek Media

02639-1

.-

tJ--------.

OPERATING

AND

SERVICE

MANUAL

MODEL

1415

DISPLAY

SECTION

SERIALS

PREFIXED:

825-

For

Instruments

With

Other

Serial

Prefixes,

See

Section

1.

Copyright

HEWLETT

-PACKARD

COMPANY;COlORADO

SPRINGS

DiVISION

196

B

1900

GARDEN

OF

THE

GODS

ROAD.

COLORADO

SPRINGS.

COLORADO.

U

S.

A

PRINTED:

OCT

1968

Scans by Artekmedia => 2010

Table

of

Contents

Model

141S

TABLE

OF

CONTENTS

Section

Page

Section

Page

GENERAL

INFORMATION

1-1

4-47.

Compensation

Attenuator

4-5

1-I.

De

sc

ri

ption

1-1

4-5l.

Plug-In

Kit

Fabrication·

4-5

1-6.

Cathode-Ray

Tube

1-1

1-8.

CRT

Warranty

1-1

V MAINTENANCE

5-1

1-10.

Associated

Equipment

1-1

5-I.

Introduction

.

5-1

1-13.

Manual

Identification

1-2

5-3.

Performance

Check

5-1

1-15.

Scope

of

Manual·

1-2

5-4.

CRT

Controls

5-1

5-7.

Calibrator

5-1

II

INSTALLATION·

2-1

5-8.

Adjustments

5-2

2-I.

Inititial

Inspection

2-1

5-13.

Adjustments

of

Low-Voltage

2-4.

Preparation

for

use·

2-1

Supply

5-2

2-5.

Power

Requirements

2-1

5-15.

Adjustments

of

High-

Voltage

2-9.

Instrument

Mounting

2-1

Supply

5-2

2-12.

Instrument

Cooling

2-1

5-16.

Intensity

Limit

Adjustment

5-2

2-15.

Claims

2-1

5-17.

Astigmatism

Asjustment

5-2

2-17.

Repackaging

for

shipment

2-2

5-18.

Geometry

Adjustment.

5-2

5-19.

Calibrator

Adjustment

5-5

III

OPERATION

3-1

5-20.

Pulse

Circuit

Adjustment

5-5

3-I.

Introduction·

3-1

5-22.

Compensation

Attenuator

3-3.

Front

Panel

Components

3-1

Adjustments

5-6

3-10.

Rear

Panel

Components

3-1

5-24.

Troubleshooting

5-7

3-14.

Plug-In

Units

3-1

5-25.

Low-

Voltage

Supply

5-7

3-18.

Operating

Considerations

3-1

5-32.

High-

Voltage

Supply·

5-7

3-19.

Definitions

3-3

5-37.

Pulse

Circuit

5-7

3-2l.

Control

Functions

3-3

5-41.

Periodic

Maintenance·

5-8

3-25.

Operating

Tips

3-3

5-42.

Electrical

Maintenance

5-8

3-27.

Single-

shot

Operation

3-5

5-44.

Mechanical

Maintenance

5-8

5-46.

Instrument

Repair

5-8

5-49.

Major

Component

Repair

5-8

IV

PRINCIPLES

OF

OPERATION

4-1

5-53.

Servicing

Circuit

Boards·

5-9

4-l.

Functional

Description

4-1

4-8.

Circuit

Description'

4-1

VI

REPLACEABLE

PARTS

6-1

4-9.

Low-

Voltage

Power

Supply

4-1

6-1.

Introduction'

6-1

4-17.

Calibrator

4-2

6-4.

Ordering

Information'

6-1

4-2l.

High-

Voltage

Power

Supply

4-3

4-27.

Storage

CRT

.

4-3

APPENDIX

I

IA-1

4-34.

Pulse

Circuit

4-4

MANUAL CHANGES AND

OPTIONS

IA-1

4-32.

Clamp

Circuit

4-5

lA-I.

Options

IA-1

4-45.

Trace

Align

4-5

IA-6.

Manual

Changes

IA-l

ii

02639-1

•

Scans by ArtekMedia => 2010

Model

141S

List

of

Illustrations

List

of

Tables

LIST

OF

ILLUSTRATIONS

Figure

Title

1-1.

Model

141S

Oscilloscope

2-1.

Rack

Mounting

Procedure·

3-1.

Model

141S

Controls·

3-2.

Proper

Intensity

Adjustments·

3-3.

Background

Illumination

3-4.

Variable

Persistence

3-5.

Single-Shot,

Trace

Bloom

3-6.

Single-Shot,

No

Bloom

3-7.

Fade

Positive

3-8.

Single-Shot,

Fast

Sweep·

3-9.

Single-Shot,

Fade

Positive

3-10.

Storage

Mesh

Imperfections

4-1.

4-2.

4-3.

4-4.

4-5.

5-1.

5-2.

5-3.

5-4.

Model

141S

Block

Diagram

Regulated

Power

Supply

Block

Diagram

High-

Voltage

Power

Supply

Block

Diagram

Pulse

Circuit

Block

Diagram

.

Erase:

Functional

Waveform·

Pincushioning

and

Barrelling

.

Adjustment

and

Component

Locations,

Bottom

View

Component

Locations,

Top

View

High-

Voltage

Deck

Removal

Page

·

1-1

·2-2

·3-2

·3-4

·

3-5

·

3-5

·

3-5

·

3-5

·

3-6

·

3-6

·

3-6

·

3-6

·

4-1

·4-2

·4-3

·4-4

·

4-5

·

5-2

·

5-3

·

5-4

·

5-9

Figure

5-5.

5-6.

5-7.

5-8.

5-9.

5-10.

5-11.

5-14.

5-13.

5-14.

5-15.

5-16.

5-17.

6-1.

lA-I.

LIST

OF

TABLES

Figure

Title

Page

Figure

1-1.

Specifications

·

1-0

5-4.

2-1.

Shipping

Carton

Test

Strengths·

·2-2

5-5.

4-1.

Current

Capability

·

4-5

5-6.

6-1.

5-1.

Equipment

Required

for

Tests

and

Adjustments

·

5-0

6-2.

5-2.

Low-Voltage

Adjustments

·

5-2

5-3.

Condensed

Adjustment

Procedure

·

5-5

lA-I.

02639-1

Title

CRT

Appearance,

Pulse

Circuit

Adjustments

Oscilloscope

Plug-in

Jack

Connections·

Spectrum

Analyzer

Plug-in

Jack

Connections

Component

Identification,

Low-Voltage

Board,

A401

Low-Voltage

Schematic

Diagram

Component

Identification,

Horizontal

Driver

Board,

A603

Component

Identification,

Compensation

Attenuator

Board,

A605

Component

Identification,

High-Voltage

Rectifier

Board

A601

Component

Identification,

High-Voltage

Regulator

Board,

A602

High-

Voltage

Schematic

Diagram·

Waveforms

Component

Identification,

Pulse

Board

A701,

and

Clamp

Board,

A704·

Pulse

and

Clamp

Circuit

Schematic

Diagram

Cabinet

Parts,

Exploded

View

Remote

ERASE

Circuit

Title

Troubleshooting

High-Voltage

Supply,

No

Voltage

Troubleshooting

High-Voltage

Supply,

Incorrect

Voltage·

Schematic

Diagram

Notes·

Reference

Designators

and

Abbrevia-

tions

Replaceable

Parts·

Replaceable

Parts

Added

for

Option

09

.

Page

5-11

5-12

5-13

5-14

5-15

5-16

5-17

·6-2

IA-1

Page

·

5-8

·

5-8

5-10

·

6-1

·6-3

IA-1

iii

Scans by Artekmedia => 2010

Section

I

Table

1-1

Table

1-1

PLUG-INS:

Accepts

Model

8552AIF

Section

and

Model 8553L

RF

Section

Spectrum

Analyzers

without

the

use

of a

center

divider

shield.

Also

accepts

all

Model

1400-Seriesplug-ins.

All

plug-ins

operate

into

horizontal

and

vertical

com-

pensation

attenuators.

Center

shield

may

be

re-

moved

to

provide

double-sized

compartment

for

use

with

a

single

dual

axis

Model 1400-

series

unit.

CATHODE-RAY

TUBE:

~

Type:

Post-accelerator

storage

tube; 7350 V

accel-

erating

potential;

aluminized

P31

phosphor;

etched

safety

glass

face

plate

reduces

glare;

transparent

coating

to

reduce

RFI.

Graticule:

8 x

10

divisions

(approximately

6, 6 x 8, 2

cm);

five

subdivisions

per

major

division

on

hori-

zontal

and

vertical

axes.

Intensity

Modulation:

(Used

only

with

1400-series

plug-ins.

)

AC coupled, +20 V

pulse

will

blank

trace

of

normal

intensity;

input

terminals

on

rear

panel.

Warranty:

CRT

specifications

(perSistence,

writing

rate,

brightness,

storage

time)

warranted

for

one

year.

PERSISTENCE:

Normal:

Natural

perSistence

of P31

phosphor

(about

40

J-L

sec

to

1cf!6

of

original

brightness.

Variable:

NORMAL

Writing

Rate

Mode:

Continuously

variable

from

less

than

O.

2

second

to

more

than

one

minute

(typically

to

two

or

three

minutes).

MAX

Writing

Rate

Mode:

Typically

variable

from

O.

2

second

to

15

seconds.

ERASE:

Manual;

erasure

takes

approximately

100

msec;

scope

ready

to

record

immediately

after

erasure

(see

options

for

remote

erase).

WRITING

RATE:

1-0

Conventional

operation

(using

an

hp 197A

camera

with

f/l.

9

lens

and

Polaroid

3000

speedfilm):

100 cm/J-Lsec.

Storage:

NORMAL Mode:

greater

than

20

cm/ms.

MAX

Mode:

greater

than

1 cm/J-Lsec.

Model14lS

Spec

ifications

STORAGE TIME:

~------------~----------~

NORMAL

Writing

Rate

Mode

STORE Mode

longer

than

1

hour

(dim

display)

VIEW Mode

longer

than

1

(bright

display)

minute

(typically

2

or

3

minutes)

Brightness:

MAX

Writing

Rate

Mode

typically

15

minutes

typically

15

seconds

Greater

than

100

foot-Iamberts

in

NORMAL

or

VIEW;

typically

5

foot-Iamberts

in

STORE.

CALIBRATOR:

(Used

only with

1400-series

plug-ins.

)

Type:

Line-frequency

rectangular

signal,

approx-

imately

O.

5

J-L

sec

rise

time.

Voltage:

Two

outputs:

1

volt

and

10

volts

pk-pk

±

1%

from

15° C

to

35° C, ±3%

from

0° C

to

55° C.

BEAM

FIN

DER:

PreSSing

BEAM FINDER

control

brings

defocused

trace

on

screen

regardless

of

setting

of

horizontal

or

vertical

controls.

GENERAL:

Power

Requirements:

115

or

230

volts,

±10%,

50-60Hz,

normally

less

than

285

watts

(varies

with

plug-in

units

used).

Dimensions:

NOTE

DIMENSIONS IN INCHES AND

(MILLIMETERS)

®

~6~

~:~fN~~I~~rd~N.f1PNO~~3oj~~L~:EVtfTJD

Ii

(8)

TO

EtA

RACK HEIGHT

®REAR APRON RECESS

Weight:

h-

--16~(425)-------..,,.;'

__

-.

il.

::::IrT 1

i,

,Jl,

TOP

16

®t

mmm

mnnm

<or

l

T

~

.f------.---

19

(483)

--------.'

~

I

...

I

~

Net, 40

lbs.

(18 kg) (without

plug-ins).

Shipping,

51

lbs.

(23 kg).

OPTIONS:

(Specify by

option

number.)

09:

Remote

erase.

BNC input on

rear

panel;

shorting

to

ground

for

at

least

50

msec

erases

screen;

input

draws

20 rna

from

ground

through

a

600-ohm

impedance

to

a

-12

volt

supply.

02639-1

Scans by ArtekMedia => 2010

Model

141S

Section

I

Paragraphs

1-1

to

1-11

SECTION I

GENERAL

INFORMATION

1-1.

DESCRIPTION.

1-2.

The

Model

141S,

Figure

1-1,

is

the

Display

Sec-

tion

of

the

HP

Model

141S

/8552A/

8553L

Sp

ec

trum

Analyzer.

Model

141S

has

the

added

features

of

vari-

able

persistence

(duration

of

trace

afterglow)

and

storage

of

CRT

displays.

Persistence

is

variabl

e

from

0.2

to

more

than

60

seconds;

a

display

may

be

stored

(at

reduced

.ensity)

for

more

than

1

hour

or

displayed

at

normal

intensity

for

up

to

1

minute.

Stored

displays

can

be

erased

in

100

milliseconds.

1-3.

Variable

persistence

is

especially

useful

for

viewing

slow-sweep

signals.

The

persistence

of

the

signals

from

electrocardiograms

or

other

bio-chem-

ical

phenomena

can

be

adjusted

to

provide

a

complete

trace,

yet

to

fade

fast

enough

to

interference

with

the

Display

persistence

of

swept

frequency

and

time-domain

reflectometry

measure-

ment

readouts

can

be

adj

usted

to

eliminate

flicke

rand

still

provide

high

reso

luti

on.

1-4.

The

storage

feature

of

the

Model

141S

can

be

used

to

store

single-shot

waveforms

and

later

to

view

or

photograph

the

phenomena.

Comparison

of

Wave-

forms

can

be

accomplished

by

storing

several

displays

separately

and

then

viewing

them

simultaneously.

1-5.

The

Model

141S

accepts

Model 8552A

IF

S

ect

ion

and

8553L

RF

Section

Spe

ctrum

Analyzer

plug-ins

and

all

HP

Model

1400-

series

plug-in

units.

Amplifiers

with

bandwidths

up

to

20 MHz

and

sensitivities

to

10

micro-

volts

per

centimeter

are

ava

il

able

as

well

as

time-

domain

reflectometry

and

swept

frequency

indicator

units.

Complete

specifications

for

the

Model

141S

Display

Section

are

given

in

Table

1-1.

1-6.

CATHODE-RAY

TUBE.

1-7.

The

Model

141S

uses

an

internal

graticule,

P31

aluminized

phosphor

CRT

with

a

transparent

coating

to

reduce

RFI.

Additional

internal

e

lem

en

ts

provide

variable

persistence

and

storage

features.

The

tube

is

equipped

with

a

nonglare

safety

face

plate

and

the

inte

rnal

graticule

eliminates

parallax

error

in

observ

-

ing

the

display.

1-8.

CRT

WARRANTY.

1-9.

The

CRT

used

in

the

Model

141S

is

covere

d by

a

warranty

separate

from

the

instrument

warranty.

The

CRT

warranty

is

included

in

the

back

of

this

man-

ual

for

use

in

the

e

vent

of

CRT

failure

during

the

warranty

p

eriod

listed

ther

eon.

1-10.

ASSOCIATED

EQUIPMENT.

1-11.

The

Model

141S

,

Display

Section

is

designed

specifically

for

use

with

Model

8552A/ 8

553L

Spectrum

Ana

lyzer

Plu

g

-in

units

.

The

Oper

ation

and

service

Manual

for

these

units

give

complete

information

on

installation

and

operation

on

the

units.

Figure

1-1.

Model

141S

Oscilloscope

02639-1

1-1

Scans by Artekmedia => 2010

Section

I

Paragraplls

1-12

to

1-18.

1-12. Model141S

also

accepts

all

HP

1400-

series

time-

domain

plug-ins

listedin

the

Hewlett-Packard

Instru-

mentation

Catalog.

Tile

Model

141S

is

normally

oper-

ated

with

a

vertical

plug-in

in

be

upper

compartment.

Both

plug-in

compartments

are

the

same

size

and

the

plug-in

instruments

may

be

intercimnged

for

any

special

application.

The

divider

shield,

which

separ-

ates

the

two

compartments,

may

be

removed

and

one

double

sized

plug-in

installed.

Blank

plug-in

kits,

both

single

and

double

sized,

are

available

for

user

fabrication

of

special

circuits.

See

Table

4-1

for

power

supply

current

lilm

tations.

1-13.

MANUAL

IDENTIFICATION.

.,

1-14.

Information

in

this

manual

applies

di

rectly

to

Model

141S

instrumentswiti1

serial

prefix

of

825-.

The

serial

prefix

is

the

first

3

digits

of

Cl€

eigilt-digit

serial

n u m

be

r

(000-00000)

used

to

ide

n t i

fy

each

Hewlett-Packard

instrument.

If

the

serial

prefix

of

a

Model

141S

is

not

825-,

a

change

s;,eet

supplied

with

Lie

manual

w;ll

define

the

differences

between

Llat

Model

141S

and

tne

one

described

in

this

man

u a 1.

Corrections

to

t;lis

manual

due

to

any

errors

which

existed

at

the

time

of

printing

are

call

e

dEl'

rata

1-2

Model

141S

and

appear

Jnly

on

L1e

c"ange

sheet

supplied.

Fo

r

information

pertaining

to

change

sheets,

contact

the

nearest

Hewlett-Packard

Sales

IService

Office.

1-15.

SCOPE

OF

MANUAL.

1-16.

The

intent

of

this

manual

is

to

provide

the

user

of

the

Model

141S

with

all

necessary

information

to

apply

this

instrument

to

the

full

extent

of

its

capabil-

ities.

Because

the

Model

141S

Display

Section

may

be

used

not

only

as

a

Spectrum

Analyzer

but

also

as

a

conventional

oscilloscope,

the

manual

contains

infor-

mation

pertinent

to

both

usages.

1-17.

Primarily,

the

Model141S

is

intended

for

use

as

the

Display

Section

of

the

141S/8552A/8553L

Spectrum

Analyzer.

Therefore

all

discussions

in

succeeding

sections

of

this

manual

will

deal

first

with

this

appli-

cation.

Immediately

following

will

be

information

applicable

to

conventional

oscilloscope

operation

with

HP

Model1400-series

time-domain

plug-ins.

1-18.

In

view

of

this

treatment

of

subject

material,

the

user

should

bear

in

mind

that

there

may

be

variations

in

adjustments,

checks

and

procedures

depending

on

the

use

being

made

of

this

instrument.

02639-1

-

Scans by ArtekMedia => 2010

Model

141S

Section

II

Pal'C1grapls

2-1

to

2-16

SECTION

II

INSTALLATION

2-1.

INITIAL

INSPECTION.

2-2.

MECHANICAL

CHECK.

If

external

damage

to

the

shipping

carton

is

evident,

ask

the

carrier's

.:gent

to

be

present

when

tne

instrument

is

unpacked.

Check

the

instrument

for

external

damage

such

as

broken

controls

or

connectors,

and

dents

or

scratches

on

the

panel

surfaces.

If

damage

is

found,

see

Para-

graph

2-15

for

recommended

claim

procedure.

If

the

shipping

carton

is

not

damaged,

check

the

cushioning

material

and

note

any

signs

of

severe

stress

as

an

indication

of

rough

handling

in

transit.

If

the

instrument

appears

undamaged,

perform

the

electrical

check

(Paragraph

2-3).

Retain

the

packaging

material

for

possible

future

use.

2-3.

ELECTRICAL

CHECK.

Check

the

electrical

performance

of

the

Model

141S

a s

soon

a s

possible

afte

r

receipt.

Paragraphs

5- 3

through

5- 5

contain

per

form

a n c e

check

procedures

which

will

verify

instrument

operation

within

the

specifications

listed

in

Table

1-1.

Initial

pe

rformance

and

accuracy

of

the

instrument

are

certified

as

stated

on

the

inside

front

cover

of

this

manual.

If

the

ins

t

I'

U

men

t

does

not

op

e

I'

ate

as

specified,

refer

to

Paragraph

2-15

for

recommended

claim

procedure.

2-4.

PREPARATION

FOR

USE.

2-5.

POWER

REQUIREMENTS.

Before

placing

this

instrument

in

ope

ration,

be

sure

and

set

rear

panel

switch

to

agree

with

the

line

voltage

being

used.

Refer

to

Figure

3-2,

Proper

Intensity

Adjustment,

to

avoid

damaging

CRT.

2-6.

The

Model

1418

Display8ection

requires

apower

source

0 f

either

115

0

I'

230

volts

ac,

+10%,

single

phase,

50-60Hz,

which

can

deliver

approximately

300

watts.

A

rear

panel

switch

provides

appropriate

transformer

connections

for

the

line

voltage

to

be

used.

2-7.

230-VOLT

OPERATION.

If

the

instrument

is

to

be

operated

from

a

230-volt

source,

set

the

rear

panel

switch

to

230.

The

line

fuse,

F401,

must

be

changedtoa

2-amp

slow-blow

fuse

for

230-volt

oper-

ation.

The

fuse

is

accessible

by

removing

the

bottom

cover

of

the

Model

141S.

It

is

identified

in

Figure

5-1.

2-8.

THREE-CONDUCTOR

POWER

CABLE.

National

Electrical

Manufacturers

Association

(NEMA)

recom-

mends

that

instrument

panel

and

cabinet

be

grounded

for

the

protection

of

operating

personnel.

The

Model

141S

is

equipped

with

a

detachable,

three-conductor

power

cable

which,

when

plugged

into

an

appropriate

receptacle,

grounds

the

instrument.

The

offset

(round)

on

the

power

cable

connector

is

the

ground

pin.

To

preserve

the

protection

feature

w

hen

operating

02639-1

the

Model

141S

from

a

two-contact

outlet,

use

a

three-

conductor

to

two-conductor

adapter

and

connect

the

g

I'

e e n

lead

on

the

adapter

to

ground

at

the

power

outlet.

2-9.

INSTRUMENT

MOUNTING.

2-10.

MODULAR

CABINET.

The

Model

1418

is

shipped

from

the

factory

as

a

bench

instrument

with

the

tilt

stand,

feet,

and

plastic

trim

inplact'.

The

top

and

bottom

panel

covers

can

be

removed,

[',ivingcom-

plete

accessibility

to

all

componl'nts

and

adjustments.

Sufficient

space

should

be

left

arounci

the

sides

uf

the

cabinet

to

allow

unres

tricted

air

c

ircuLltion.

2-11.

RACK

MOUNTING. A

kit

for

converting

the

modular

cabinet

to

a

rack

mount

is

supplied

with

each

Model

1418.

Instructions

for

making

the

cunversion

arc

[',iven

below.

Refer

to

Figure

2-1

as

an

aid

to

identifvin[',

parts.

a.

Detach

tilt

stand

by

pressing

away

from

front

feet:

remove

all

plastic

feet

by

depressing

metal

but-

ton

and

sliding

foot

frt'e.

b.

Aluminum

trim

strips

(behind

each

front

handle)

on

sides

ur

instrument

have

an

adhesive

back;

use

a

thin-blade

tool

tu

remove

them.

c.

Attach

a

rack-mounting

fhmge.

using

screws

provided

in

kit,

in

each

space

where

trim

strip

was

adhered;

larger

notch

of

flange

should

be

positioned

at

instrument

bottom.

d.

If

Model

1418

is

to

be

placed

in

a

rack

above

or

below

another

hp

instrument,

attach

filler

strip

pro-

vided

with

kit

between

front

panels

of

instruments.

2-12.

INSTRUMENT

COOLING.

2

-13.

The

Model

1415

uses

a

forced-air

cooling

system

to

maintain

reasonable

operating

temperatures

within

the

instrument.

Warm

air

is

exhausted

through

the

side

panel

perforations.

When

operating

the

instru-

ment,

choose

a

location

which

provides

at

least

three

inches

of

clearance

around

the

rear

and

both

sides.

2-14.

The

cooling

fan

and

air

filter

require

periodic

lubrication

and

c

leaning.

Refer

to

Paragraph

5

-41

for

maintenance

instructions.

2-15.

CLAIMS.

2-16.

The

warrantv

statement

applicable

to

all

Hewlett-

Fackard

Company

instruments

andproducts

is

provided

inside

the

front

cover

of

this

manual.

If

phys

ical

damage

is

found

or

if

ope

ration

is

not

as

specified

when

the

instrument

is

first

received,

notify

the

carrier

and

the

nearest

Hewlett-Packard

Sales

IService

Office

immediate

ly.

The

Sales

'Service

Office

will

arrange

for

repair

or

replacement

of

the

instrument

without

waiting

for

settlement

of a

claim

with

the

carrier.

For

other

than

initial

inspection

warranty

claims,

contact

the

Sales

'Service

Offic

e.

2-1

Scans by Artekmedia => 2010

Section

II

Paragraphs

2-17

to

2-19.

2-17.

REPACKAGING

FOR

SHIPMENT.

2-18.

If

the

Model

141S

is

to

be

shipped

to

a

Hewlett-

Packard

Sales/Service

Office

for

service

or

repair,

attach

a

tag

showing

owner

(with

address),

instrument

model

nuinber,

full

serial

number

of

the

instrument

(all

8

digits)

and

description

of

the

service

or

repair

required.

2-19~he

original

shipping

carton

and

packaging

ma-

terial,

with

the

exception

of

accordion-pleated

pads,

may

be

reused,

if

undamaged.

The

Sales/Service

Office

will

provide

information

and

recommendations

on

materials

to

be

used

if

the

original

packaging

material

is

not

available.

Materials

used

for

shipping

an

instrument

should

include

the

following:

a.

A

double-walled

carton,

see

Table

2-1

for

test

strength

required.

TILT

STAND

FILLER

STRIP .

(

/

;><

0

....---::~~

•.o

;

~

/

/'

:"/;

TRIM STRIP

~

-r:

RACK

MOUNTING

(ADHESIVE BACK)

~

FLANGE

Model14lS

Table

2-1.

Shipping

Carton

Test

Strengths

Gross

Weight (lbs)

Carton

Strength

(test

Ibs)

up

to

10 200

10

to

30 275

30

to

120 350

120

to

140 500

140

to

160 600

b.

Heavy

paper

or

sheets

of

cardboard

to

protect

all

instrument

surfaces;

use

a

nonabrasive

material

such

as

polyurethane

or

cushioned

paper

suchas

Kim-

pak

around

all

projecting

parts.

c.

At

least

4

inches

of

tightly-packed,

industryap-

proved,

shock-absorbing

material

such

as

extra

firm

polyurethane

foam.

d.

Heavy-duty

shipping

tape

for

securing

outside

of

carton.

/"1

I

FOOT

RELEASE

BUTTON

i

~PLASTIC

,

FOOT

v)

I ;

'/

~;

0

I

!J~

7000-

6-18

Figure

2-1.

Rack

Mounting

Procedure

2-2

02639-1

Scans by ArtekMedia => 2010

HP 141S Service-Handbuch

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