Hitachi V-151F Manual de usuario

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Model

V-151F

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OSCILLOSCOPE

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OPERATION

MANUAL

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WARRANTY

This

Hitachi

Denshi,

Ltd.

product

warranted

against

defects

workman

ship

and

materials.

any

failure,

resulting

from

defect

either

workman

ship

material,

shall

occur

under

normal

use

within

two

years

from

the

original

date

purchase,

such

failure

shall

corrected

free

charge

the

original

purchase

repair

or,

Hitachi

Denshi's

sole

option,

replacement

the

defective

part

parts.

charge

shall

made

for

labor

services

performed

during

said

two

years

period

providing

the

product

brought

our

Authorized

Service

Station.

Hitachi

Denshi,

Ltd.

will

either

repair

its

sole

option,

replace

any

part

except

for

cathode

ray

tube,

fuses,

probes,

lamps,

batteries

and

other

tional

materials

which

are

defective

either

workmanship

material

under

normal

and

proper

use.

This

warranty

does

not

cover

equipment

which

has

been

tampered

with

any

way,

damage

caused

accident,

negligence,

alteration,

misappli

cation.

This

product

must

returned

transportation

prepaid,

properly

packed

and

insured.

This

warranty

applies

only

the

original

purchaser.

OTHER

WARRANTIES

ARE

EXPRESSED

IMPLIED.

Hitachi

Denshi,

Ltd.

NOT

LIABLE

FOR

CONSEQUENTIAL

DAMAGES.

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CONTENTS

Page

Introduction

1.1

Outline

1.2

Specifications

1.3

Composition

Operation

2.1

Description

Panel

Functions

2.2

Precautions

2.3

Fundamental

Operation

Instructions

User

Adjustments

Applications

4.1

Measurement

rise

(fall)

time

4.2

Measurement

Composite

video

signal

Schematic

Diagrams

NOTE

This

Instrument

should

adjusted

ambient

temperature

+20°C

for

best

overall

accuracy.

Allow

least

minutes

warmup

before

proceeding.

Polyvinyl

chloride

(PVC)

film

attached

the

enclosure

and

the

front

panel

the

oscilloscope

protect

the

metal

surface.

the

PVC

film

damaged

scratches,

remove

it.

clean

the

enclosure

the

front

panel,

use

neutral

deter

gent.

Refrain

from

using

thinner,

benzine,

alcohol

other

chemicals.

For

safety

operation,

the

instrument

chassis

and

cabinet

sure

connect

the

ground

lead

the

GND

(ground)

terminal

earth

ground,

two-wire

power

system

used.

Failure

complete

the

ground

system

may

allow

the

chassis

and

cabinet

this

instrument

elevated

above

ground

potential

and

pose

shock

hazard.

Introduction

1.1

Outline

Model

V-151F

single

trace

oscilloscope

with

bandwith

DC-15MHz

and

sensitivity

ImV/DIV

(Pulled

Gain).

The

time

base

provides

maximum

sweep

speed

time

0.2uS/DIV.

When

magnified

10,

the

sweep

speed

lOOnS/DIV.

High

accelerated

voltage

CRT,

with

iqdiv

effective

display

area

and

post

acceleration,

enables

high

speed

pulses

clearly

displayed.

Engineered

for

service

the

field

television,

VTR,

and

computer,

the

V-151F

portable,

easy

and

features

convenient

operation

for

use

education

and

industry.

Wide

bandwidth

and

high

sensitivity

addition

wide

bandwidth,

DC-15MHz,

(-3dB)

this

instrument

provides

high

sensitivity

5mV/

DIV.

MHz

frequency

obtained

with

proved

triggered

synchronization.

Bright

CRT

using

new,

highbrightness

CRT,

stable

celerated

CRT

high

voltage,

calibration

voltage

accuracy,

and

time

base

are

obtained.

Synchronization

circuit

for

extracting

the

synchronizing

signal

equipped

trigger

easily

with

composite

video

signal.

vertical

horizontal

sync

signal

automatically

selected

the

time

base

switch.

Improvement

portability

and

operation

Equipped

with

convenient

carrying

handle

and

designed

for

light

weight,

this

unit

excellent

both

portability

and

operation

with

various

functions

installed

the

front

panel.

X-Y

functions

Set

the

switch

X-Y.position

and

X-Y

oscillo

scope

displayed

with

EXT

TRIG

[x]

axis

and

INPUT

axis.

1.2

Specification

CRT

Display

Type

130BUB31

Acceleration

Voltage

2kV

Effective

display

DIV

DIV=9.5m)

area

Vertical

amplifier

5mV/DIV

5V/DIV

Sensitivity:

Calibrated

steps

(1-

2-5

Sequence

about

Bandwidth

Rise

time

Input

impedance

Input

coupling

Max.

Input

voltage

Input

connector

CHI

output

Output

voltage*

Bandwidth*

Output

Noise*

2.5

times

each

position

with

variable

control)

ImV

IV/div

(using

GAIN)

to,

15MHz

5MHz

(using

GAIN)

Typical

24ns

IMn

shunted

30pF

+5pF

(direct)

AC,

GND,

600Vp-p,

300V

(DC+AC

peak)

BNC

20mV/div

Min.

50Hz-5MHz(-3dB)(at

GAIN)

lOmVp-p

Max.

Measured

50-ohm

BNC

Cable

with

50—ohm

terminator.

Approx.

50f2

Output

impedance

Output

coupling

Time

base

Sweep

speed

Magnification

X-Y

display

0.2us

0.2s/div

step,

1-2-5

sequence

xlO

(max

speed

100

ns/div)

X=EXT.

TRG

\Y\

IN,

Y=INPUT

Sensitivity

axis:

5mV/div

5V/div

axis:

approx.

0.2V/div

Bandwidth

axis:

500

kHz

X-Y

phase

shift

Less

than

3°

kHz

Synchronization

Trigger

sensitivity

Frequency

INT.

trig

EXT.

trig

20Hz

2MHz

0.5DIV

200

2MHz

15MHz

1.5DIV

800

MODE

Source

NORMal

trigger

and

AUTO-

matic

trigger

Automatic

(sweep

free-run)

Normal

(sweep

runs

when

triggered)

TV(+),

TV(-)

Extracts

the

synchronizing

signal

from

composite

video

signal

and

provides

stable

synchronization.

Slope

switch

selected

accord

ing

polarity

video

signals.

INTernal

EXTernal,

LINE.

Calibration

Waveform

Square

wave

IkHz

+10%

(typ)

Voltage

0.5

Vp-p

+3%

Power

supply

AClOO/120/220/240

Size

and

Weigh

190(H)x275(W)x400(D)mm8.5kg

[7.5(H)xl0.8(W)xl5.7(D)in

18.7

lbs]

1.3

Composition

(1)

V-151F

oscilloscope

(2)

AT-10AB1.5

Probe

(3)

Operation

manual

(4)

Power

supply

cord

Operation

2.1

Description

Panel

Functions

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POWER/INTENSITY

Turns

the

power

off,

and

adjusts

trace

brightness

the

screen.

Clockwise

adjustment

increases

brightness;

Counterclockwise

rotation

decreases

brightness.

Pilot

lamp

Lights

when

the

power

on.

FOCUS

Adjusts

focus

grid

voltage

for

clarity

the

display.

TRACE

ROTATION

Corrects

slight

tilting

trace

caused

external

magnetic

fields.

INPUT

This

input

plug

for

use

with

the

vertical

amplifier

and

Y-axis

(vertical

axis)

amplifier

during

X-Y

operation.

not

exceed

the

maximum

permissible

input

voltage,

600p-p

300V

(DC+AC

peak)

AC-GND-DC

(Alternating

Current-Ground

Switch-Direct

Current)

Switches

the

coupling

the

signal

fed

the

vertical

axis

input

coupling

obtained

the

position.

position,

the

direct

current

component

blocked

capacitor.

The

GND

position

grounds

the

input

the

ampli

fiers

and

opens

the

input

terminal

(J).

Position

(PULL

GAIN)

(Vertical

position

adjustment)

Clockwise

rotation

will

move

pattern

up,

and

counterclockwise

rotation

will

move

pattern

down.

When

the

knob

pulled,

the

vertical

axis

sensitivity

each

range

volts/DIV

creased

times.

VOLTS/DIV

This

knob

for

switching

the

sensitivityof

the

input

signal

fed

INPUT

(s).

Switching

action

accomplished

steps

from

5mV/DIV

5V/DIV.

X-Y

operation,

the

knob

functions

change

the

sensitivity

the

Y-axis.

measure

the

use

the

indicated

voltage

sensitivity,

sure

set

the

VARIABLE

CAL

turning

fully

clockwise

(Click

stop).

the

signal

applied

the

input

terminal

(J)

the

use

1/10

low

capacitance

probe,

the

values

are

ten

times

the

indicated

voltage.

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