Yaesu FT-480R Manuale utente

INSTRUCTION

MANUAL

FT-4S0R

For

Service

Manuals

Contact

MAURITRON

TECHNICAL

SERVICES

Cherry

Tree

Rd,

Chinnor

Oxon

OX9

4QY

Tel:-

01844-351694

Fax:-

01844-352554

Email:-

[email protected]

YAESU

MUSEN

CO.,

LTD.

TOKYO

JAPAN

TABLE

CONTENTS

(Page)

GENERAL

DESCRIPTION”

(5.4

scent

atd

tigeaeerea

iatiebeae

sees

(1)

SPECIFICATIONS

5.27.

hcneeh

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(

SEMICONDUCTORS/ACCESSORIES

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tee

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tenets

(

FRONT

PANEL

CONTROLS

AND

SWITCHES

..........02-00

20000

eee

serene

(4)

REAR

PANEL

CONNECTIONS

AND

SWITCHES

...........00

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cence

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(

UNDER’

CABINET

‘SWITCHES

§.....

¢.duecaed

¢eoo

eve

eee

eect

eteee

(7)

INS

TAL

TATION:

6:35

tes

comissae

Atle

Sut

OR on

aectue

tog

seis

huanattee

dattcga

gietee

(8)

OPERATION

isclooc

Glee

pened

ree

reaN

Geacaey

eects

Stele

(10)

CIRCUTE

DESCRIPTION

5:iei

abel

nie

bon

wees

adel

(14)

MAINTENANCE

AND

ALIGNMENT

...........00-0

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cee

eeeeeeecetes

(18)

PARTS

DIST

sos

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Ate

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tee

ene

tech

(28)

FT—480R

MICROPROCESSOR

CONTROLLED

METER

ALL—MODE

TRANSCEIVER

GENERAL

DESCRIPTION

The

FT-480R

revolutionary.

high

performance

USB.

LSB.

FM,

and

transceiver

for

the

most

demanding

2-meter

operator.

Controlled

NMOS

4-bit

microprocessor,

the

FT-480R

features

full

PLL

synthesis

Hz.

100

Hz,

kHz.

kHz

(US

model),

and

100

kHz

steps.

The

extremely

compact

size

the

FT-480R

makes

this

model

particularly

well

suited

for

mobile

use.

The

microprocessor

chip

allows

never-before-possible

operating

flexibility.

many

four

memory

channels

may

programmed

your

favorite

frequencies,

and

switching

the

MEMORY

SCAN

position,

all

four

memory

channels

will

scanned.

Digital

display

the

operating

frequency

provided.

The

front

panel

meter

consists

string

bright

LED’s,

for

easy

monitoring

the

received

signal

strength

and

transmitter

output.

The

standard

microphone

features

PIT

switch

and

up/down

scanning

controls

plus

tone

call

button

for

repeater

operation.

Among

the

convenience

features

your

FT-480R

are

receiver

offset

tuning

for

and

SSB,

and

digitally

synthesized

dual

VFO

system.

recommend

that

you

read

this

manual

its

entirety,

derive

maximum

benefit

from

your

new

FT-480R,

exciting

breakthrough

from

the

communications

experts

...

Yaesu,

For

Service

Manuals

Contact

MAURITRON

TECHNICAL

SERVICES

Cherry

Tree

Rd,

Chinnor

Oxon

OX9

4QY

Tek:-

01844-351694

Fax:-

01844-352554

Email:

[email protected]

SPECIFICATIONS

GENERAL

Frequency

coverage:

*143.500—148.500

MHz

Modes

operation:

SSB

(USB,

LSB),

CW,

and

Synthesizer

steps:

SSB,

*FM

Hz,

100

Hz,

kHz

kHz,

100

kHz

Power

requirements:

13.8

volts

DC,

negative

ground

Current

consumption:

0.5

amps

receive

3.0

amps

transmit

Antenna

impedance:

ohms

Case

size:

(H)

180

(W)

240

(D)

Weight:

Approx.

2.9kg

TRANSMITTER

Power

input:

SSB

watts

PEP

FM/CW

watts

Carrier

suppression:

Better

than

Unwanted

sideband

suppression:

Better

than

Spurious

emission

(SSB):

least

down

Frequency

response:

300—2700

(—6

dB)

Deviation:

kHz

Microphone

impedance:

600

ohms

RECEIVER

Sensitivity:

SSB,

0.5

for

S/N

0.35

uV-for

Selectivity:

SSB,

2.4

kHz

down

4.1

kHz

down

kHz

down

kHz

down

Image

response:

Better

than

—60

Audio

output

impedance:

ohms

nominal

Audio

output:

2.0

watts

10%

THD

USA

Model

(Model

Frequency

Synthesizer

Steps

(Hz)

Model

Range

SSB,

(MHz)

ious

erecta

143.5—

148.5

100

144.0—

146.0

100

143.5-

148.5

Uae

12.5K

1750

{IK

{kK

12.5K

eee

FT-480R

Model

Chart

—-9Q-

ICs:

MC1496G

MCI4011B

MC14560B

MC14028B

MC14069B

MC14002B

uAT8LOS

puPC7808H

uPC577H

uPC1037H

uPC2002V

uPC7805H

uPD4094B

uPD1511-11

TC9122P

TC5081P

TCS5082P

SN16913P

SN76514N

HD10551

MB87i8A

TA7612AP

FETs:

2SKI9TMY

DARwWH

SEMICONDUCTORS

2SKI9TMGR

2SK30AY

2SK51

3SKS59Y

]

3SK70

3SK73Y

Transistors:

2SATISC

2SA733P/Q

2SC535A

2SC535B

2SC732TMBL

2SC945P

2SC945Q

2SC945K

2SC1383R

2SC1583

28C1674L

2SC1815Y

2SC181SGR

2S8C1945

28C2002L

2802053

2SC2166

2SC2785E

see

—

eet

—

MPSAI3

Diodes:

1S188FM

1$1007

181555

182209

U05B

1SS53

10D]

MV104

HZ11B-1

LEDs:

TLG-205

TLR-205

TLR-226

TLY-226

TLG-226

FCD:

LD8231/F1P9C5

Ne}

—

rhe

_—

Specifications

subject

change

without

notice

obligation.

For

Service

Manuals

Contact

MAURITRON

TECHNICAL

SERVICES

Cherry

Tree

Rd,

Chinnor

Oxon

OX9

4QY

Tel:-

01844-351894

Fax:-

01844-35254

Email:-

[email protected]

ACCESSORIES

Microphone

Power

Cord

Spare

Fuses

(5A)

Stand

Miniature

Phone

Plug

Mobile

Mounting

Bracket(RO062900)

ea.

TONE

Connector

(M3090028)

ea.

(T9002805)

ea.

(Q0000005)

ea.

(ROO62300A)

ea.

(P0090034)

2ea.,

(P0090174)

Lea.

FRONT

PANEL

CONTROLS

AND

SWITCHES

ven

mao

cian

OVER

eeeeseooose

seo

;

Yansu_7-a50n

The

FT-480R

has

been

designed

for

ease

opera-

tion.

However,

the

operator

may

not

familiar

with

some

controls

since

the

FT-480R

utilizes

modern

computer

technology.

sure

you

thor-

oughly

understand

the

function

each

control

and

indicator

before

operating

this

equipment.

(1)

SQL

The

squelch

control

quiets

the

receiver

the

absence

signal

FM.

should

set

the

point

where

the

background

noise

just

disappears,

order

provide

maximum

sensitivity.

(2)

VOL

This

control

the

main

ON/OFF

switch

for

the

transceiver,

and

also

sets

the

audio

output

level

the

speaker.

Clockwise

rotation

increases

the

audio

output

level.

(3)

STEP

The

positions

this

switch

control

the

tuning

rate

the

Main

dial,

shown

Table

MAIN

DIAL

FREQUENCY

STEP

SWITCH

COVERAGE

PER

STEP

POSITION

—_—-.-

SSBICW

OFM

1OHz

kHz

100

#90

kHz

kHz.

*100

kHz

Table

USA

Model

(Model

(4)

MEMORY

This

switch

selects

the

mode

(Memory

Scan)

one

the

four

frequencies

that

the

operator

has

programmed

into

memory.

Memory

scan

control

exercised

via

the

UP/DOWN

switches

the

microphone.

(5)

MAIN

TUNING

KNOB

The

tuning

knob

used

control

the

receive

and

transmit

frequencies

over

the

entire

meter

amateur

band.

activated

when

the

DIL

button

pushed.

When

the

transceiver

initially

turned

on,

the

display

will

indicate

[47.000.0

MHz,

and

the

dial

may

turned

from

that

point

the

desired

operating

frequency.

(6)

MODE

This

switch

selects

the

mode

operation:

USB

(upper

sideband),

LSB

(lower

sideband),

(code

operation),

and

(frequency

modulation).

This

switch

also

selects

the

transmitting

frequency.

:The

transmitting

frequency

600

KHz

lower

than

the

receive

frequency.

SIMP

Simplex

operation.

The

transmitting

frequency

600

KHz

higher

than

the

receive

frequency.

(7)

MIC

The

MIC

jack

used

for

microphone

input,

PTT

control,

and

scanner

control

lines.

(8)

S/PO

string

LEDs

provides

indication

signal

strength

and

relative

power

output.

(9)

AIR

This

indicator

lights

during

transmission.

(10)

BUSY/MOD

This

indicator

has

dual

function:

will

light

when

the

channel

occupied,

indicate

modula-

tion

during

transmissions.

(11)

CLAR

Indicator

This

lamp

lights

when

the

clarifier

switch

pushed.

(12)

LOW

This

lamp

lights

when

the

HI/LOW

switch

the

LOW

position.

(13)

Digital

Display

The

digital

display

indicates

the

operating

fre-

quency.

the

priority

mode,

the

character

“‘P”

will

illuminated

the

far

right-hand

side

the

window.

Also,

the

memory

channel

use

will

indicated

for

easy

frequency

reference.

(14)

T.CALL

When

this

switch

pushed,

the

PTT

line will

close,

and

1750

1800

tone

will

transmitted

for

accessing

repeaters.

(15)

CLAR

The

clarifier

switch

allows

+10

kHz

offset

the

receive

frequency

from

the

dial

memory

fre-

quency.

Clarifier

tuning

accomplished

via

the

main

tuning

dial.

When

the

CLAR

switch

pushed,

the

scanning

step

selector

should

set

100

Hz;

not,

control

will

returned

the

main

dial,

with

the

clarifier

being

disabled.

(16)

(Memory)

This

switch

used

for

programming

frequency

into

memory.

(17)

VFO

A/B

TXA

This

switch,

when

pressed,

allows

split

operation

using

the

two

internal

VFOs.

(18)

PRI

While

operating

the

dial

tuning

mode,

the

PRIORITY

switch

allows

scanning

the

main

dial

and

one

the

memorized

frequencies

every

seconds.

The

SCAN

switch

controls

the

stopping

the

scanner

busy

clear

channel.

(19)

F.SET

This

switch,

when

pressed,

clears

all

digits

the

operating

frequency

below

the

step

frequency

you

are

using.

(20)

HI/LOW

This

switch,

when

pressed,

reduces

the

transmitter

power

from

watts

watt

output.

(21)

(Memory

Recail)

This

button

transfers

frequency

control

from

the

main

dial

the

memory

channels.

(22)

(Noise

Blanker)

This

switch,

when

pressed,

activates

the

noise

blanker

for

minimizing

pulse-type

noise.

(23)

DIL

(Dial)

This

switch,

when

pressed,

transfers

frequency

control

from

the

memory

channels

the

main

tuning

dial.

YM-40

MICROPHONE

CONNECTIONS

REAR

PANEL

CONNECTIONS

AND

SWITCH

For

Service

Manuals

Contact

MAURITRON

TECHNICAL

SERVICES

(1)

ANT

Cherry

Tree

Rd,

Chinnor

(6)

POWER

bce

Oxon

OX9

4QY

This

the

main

antenna

connectetro1844-351694

Fax:-

01844-252554

This

receptacle

accommodates

the

power

cord.

Email:

enquines@maurironcouk

fice

rated

amps

located

the

power

cord.

(2)

TONE

CONNECTOR

This

connector

provided

for

the

optional

exter-

nal

FTS-64E

Tone

Encoder,

which

synthesizes.

[

WARNING

CTCSS

tone

burst

frequencies.

WHEN

REPLACING

FUSES,

CERTAIN

USE

FUSE

AMP

RATING.

(3)

KEY

OUR

WARRANTY

DOES

NOT

COVER

This

the

key

jack

for

operation.

The

key-up

voltage

3.5

while

the

key-down

current

;

approximately

mA.

(4)

EXT

ofr

This

miniature

phone

jack

for

connection

external

speaker.

Insertion

plug

into

this

jack

automatically

cuts

off

the

internal

speaker.

(5)

BACKUP

When

this

switch

placed

the

position,

and

power

still

connected

the

POWER

con-

nector,

the

memory

circuit

will

still

held

EXTERNAL

SPEAKER

CONNECTIONS

operating

condition.

power

removed,

though,

the

memorized

frequency

will

lost.

TONE

INPUT

(approx.0.35

+13V

BURST

INPUT

(approx.

0.2

TONE

CONNECTOR

KEY

CONNECTIONS

UNDERSIDE

CABINET

SWITCHES

(1)

SAT

(Satellite)

This

switch

allows

the

operating

frequency

changed

while

transmitting.

This

feature

useful

especially

for

satellite

operation,

for

allows

the

operator

zero

the

proper

frequency

within

the

satellite

passband.

Neither

VFO

A/B

TXA

nor

the

CLARIFIER

function

works

when

the

SAT

switch

placed

the

position.

(2)

SCAN

This

switch

will

select

scanning

stop

busy

clear

channel

the

mode.

Manual

scanning

“

“ies

stop

also

provided

all

modes.

HAI

(3)

BURST

The

BURST

switch

applies

short

“‘tone

burst”

the

carrier

the

start

each

transmission

the

Oo:

“ON”

position.

This

normally

used

only

for

“tone

access”’

repeater

actuation.

CAUTION

THE

WIRE

STAND

SHOULD

INSERTED

THE

MOUNTING

HOLES

ON’

THE

BOTTOM

COVER

ORDER

PREVENT

DAMAGE

THE

SWITCHES

THE

COVER.

BLACK

FUSE

HOLDER

POWER

CORD

CONNECTIONS

INSTALLATION

ANTENNA

CONSIDERATIONS

The

FT-480R

designed

for

operation

using

antenna

presenting

ohm

resistive

load.

The

automatic

final

transistor

protection

circuitry

will

reduce

the

power

output

protect

the

transistors

when

high

antenna

SWR

encountered.

The

SWR

the

antenna

should,

possible,

kept

below

1.5

all

times

secure

full

output

from

the

transceiver.

most

cases,

coverage

function

antenna

height.

The

antenna

for

base

station

operation

should

located

high

and

the

clear

possible.

Vertical

polarization

standard

for

communications

most

areas,

sure

that

your

antenna

oriented

appropriately.

Popular

anten-

nas

for

base

station

use

include

the

5/8

wavelength

vertical

one

the

many

stacked

dipole

arrays.

For

accessing

repeaters

long

distance

away,

Yagi

other

high

gain

directional

array

may

required.

For

mobile

applications,

the

most

popular

anten-

nas

are

the

1/4

wavelength

vertical

and

the

5/8

wavelength

vertical,

which shows

approximately

gain

over

the

1/4

wavelength

vertical.

not

economize

coaxial

cable,

much

power

can

wasted

lossy

transmission

line.

For

mobile

use,

the

RG-58A/U

type

coax

may

used.

minimize

loss,

use

the

shortest

length

that

possible.

For

base

stations,

use

type

RG&A/

coaxial

cable.

For

very

long

runs,

type

RGI7A/U,

aluminum-jacketed

‘‘foamflex”

coax,

air

dielectric

“‘heliax”’

cable

may

used.

The

optional

antenna

duplexer

AD-1!

allows

the

MOBILE

INSTALLATION

For

mobile

service,

the

FT-480R

should

in-

stalled

where

the

digital

display,

controls,

and

microphone

are

easily

accessible

for

operation.

The

transceiver

may

installed

any

position

without

loss

performance.

suitable

location

would

atop

the

transmission

tunnel.

universal

bracket

supplied

with

your

transceiver

for

mobile

installation.

Refer

Fig.

for

mounting

details.

Use

the

universal

mounting

bracket

template

for

positioning

the

mounting

holes.

Use

3/16”

diameter

bit

for

drilling

these

holes,

allowing

clearance

for

the

transceiver,

its

cables

and

microphone,

and

its

controls.

Secure

the

mounting

bracket

with

the

screws,

washers,

and

nuts

supplied,

shown

the

drawing.

Ease

the

transceiver

into

the

guide

rail,

and

slide

into

the

desired

position.

Tighten

the

knobs

the

outside

the

universal

bracket

secure

the

transceiver.

The

microphone

hanger

may

installed

wherever

convenient

for

access

the

micro-

phone.

Power

connections

should

made

directly

the

automobile

battery.

Routing

through

the

cigarette

lighter

may

cause

the

lighter

fuse

blow

the

fuse

not

sufficient

rating.

well,

connection

directly

the

battery

allows

the

memory

circuits

remain

activated

when

the

ignition

turned

off,

using

the

BACKUP

switch.

operation

both

and 144

MHz

using

single

For

Service

Manuals

Contact

antenna

(RSL-50

RSL145).

See

your

Yaesu

dealer.

50/I44MHZ

ANTENNA

ANT

OUPLEXER

YAESU

AD-I

MAURITRON

TECHNICAL

SERVICES

Cherry

Tree

Rd,

Chinnor

Oxon

OX9

4QY

Tek:-

01844-351694

Fax:-

01844-352554

Email:-

[email protected]

AD-1

ANTENNA

DUPLEXER

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