Hallicrafters SX-130 Manuale di formazione

therafiers

OPERATING

AND

SERVICE

INSTRUCTIONS

]

COMMUNICATIONS

RECEIVER

MODEL

SX-130

1356-00608?

Figure

Hollicrafters*

Model

SX-130

Receiver.

SECTION

GENERAL

DESCRIPTION

The

Hallicrafters'

Model

SX-130

Communications

Receiver

four

band

superheterodyne

receiver

tuning

from

535

1610

kilocycles

(KC)

and

1.725

31.5

megacycles

(MC)

with

calibrated

electrical

bandspread

provided

the

80,

40,

20,

15,

meter

and

citizens

band.

The

frequency

range

covers

foreign

and

domestic

short-wave

broad-

casts,

amateurs,

aircraft,

and

marine

plus

standard

broadcasts.

The

receiver

provides

for the

reception

cude

(CW),

voice

(AM),

and

single-sideband

(SSB)

signals

over

its

entire

tuning

range,

the

upper

lower

sideband

being

readily

selectable

means

front

panel

control.

This

feature

greatly

simplifies

tuning

single-

sideband

signals.

Other

features

the

Model

SX~130

include:

Product

detector

for

and

SSB.

@Slide

rule

bandspread

dial.

®Separate

bandspread

tuning

condenser,

®Crystal

filter.

Antenna

trimmer

for

maximum

signal

transfer.

@"'S"

meter

indicate

the

accuracy

tuning

and

the

relative

strength

received

signals.

Front

panel

controlled

automatic

noise

limiter

reduces

interference

from

electrical

equipment,

ignition

noise,

etc.

Calibrated

BFO

for

USB-LSB-CW.

Crystal

phasing

control

for

precise

bandwidth

adjustment.

Manual

gain

contro]

prevents

overloading

strong

signals.

Precision

tuning

mechanism

insurcs

cali-

bration

and

accurate

resettability.

Balanced

unbalanced

antenna

inputs.

©@

New,

handsomely

styled

cabinet.

SECTION

TECHNICAL

SPECIFICATIONS

Frequency

Coverage

BANG

as.

Warsi

ene

oem

pone

REESE

RRR

RRA

See

535

1610

Band

.....

aPa

woke:

le)

uaer

atti

ase,

Bros

aks,

ates

Rusia

canoes

areas

tiles

1.725

4,7

Band

13)

escapist

mua

wag

awe

OER

aiaed

Rneiaenionin

aes

4.5

13.0

Ean

ahmg

cee

erser

ste

Giles

URC

aaa

DON)

alcove

nse

11.9

31.5

Internicdiate:

Frequenyiws

wcevsee

derkens

ape

BRASS

Bad

kwh

wiee@arne

ama

1650

Reception

Modes

oss

2cce5

ore

me.

esse

dence

tone

Ssesn

ilaver'e

lean

apmananes

eee

ecae

AM,

and

SSB

Selectivity...

2...

..220

ceae

Variable

three

steps;

normal,

crystal

broad

and

crystal

sharp

Power

Source

.-..

0.2...

ccsceecseccece

spark

ayn

eteee

105

125

volts,

50/60

cycles

Power

‘COmsUMptiOn

sie

a...

wiscocs

seen

ois

REM

ASE RES

ERR

REO

oer

watts

Adio

Power

Ouipul

sa.

eis

eee

Sita

aed

wun

dob

lbw

wlan

watts

Audio

Output

Impedance....-........0200.

.....

3.2

ohms;

rear

mounted

screw

terminals

Headphone

Impedance

............

2000

ohms;

panel

jack

accepts

standard

1/4

inch

phone

plug

Antenna

Input

Impedance...

.......0.2.

cece

eee

eeeaae

600,

balanced

unbalanced

Number

eQubes)

«.2

isd

20y.ie

esicw

wastes

Riedl

Raw

owe

Seven,

plus

one

diode

Receive/Standby

.............

Rear

mounted

screw

terminals;

short

receive,

open

for

standby

Dimensions

s26 20h

sce

eae

een

neces

inches

high,

18-7/8

inches

wide,

9-3/4

inches

deep

Net

Weight

........

Cree

+»...

pounds

Shipping

Weight

«5

susie

boeveeie

elie!

Waka

yecmi

ebm

tow

weiter

edad

BUSeee

pounds

v2B

cw/SSB

6BE6

6cws

M2.

SNe

BFo/PROD.

AMPL/

DETECTOR

OUTPUT

V2A

(72

GEAB

6AL5

DET/

NOISE

LIM.

SELECTIVITY

156-006

126

Figure

Block

Diagram

Receiver.

SECTION

Ill

INSTALLATION

3-1.

UNPACKING.

Carefully

remove

this

equipment

from

its

carton

and

packing

material

and

examine

for

any

possible

damage

which

may

have

occurred

transit.

Should

any

sign

damage

apparent,

file

claim

immediately

with

the

carrier

stating

the

extent

damage.

Carefully

check

all

shipping

labels

and

tags

before

removing

replacing

them.

3-2.

LOCATION.

The

receiver

may

placed

any

location

that

will

permit

free

air

circulation

around

the

cabinet.

Avoid

excessively

warm

locations

suchas

those

near

radiators

and

heating

vents.

Also,

avoid

direct

blasts

air

from

circulating

fans,

etc.

3.3.

ANTENNAS.

The

Model

SX-130

uses

input

circuit

designed

for

600

ohm

input.

Any

the

popular

dipole,

beam

antennas

single

wire

antennas

will

give

good

results.

should

remembered,

however,

that

these

antennas

will

give

optimum

results

over

limited

frequency

range.

Generally

speaking,

the

same

rules

that

apply

transmitting

antennas

will

hold

true

for

receiving

antennas,

unbalanced

single

wire

antenna

used,

connect

one

end

the

terminal

marked

Al.

The

jumper

link

should

connected

between

and

(see

figure

3).

For

further

information

this

subject,

refer

the

"Radio

Amateur's

Handbook"

the

"ARRL

Antenna

Book",

both

published

the

American

Radio

Relay

League.

3-4.

GROUNDS.

All

station

equipment

should

bonded

together

with

heavy

copper

wire

braid

and

connected

cold

water

pipe

earth

ground.

external

chassis

ground

terminal

provided

the

SX~130

rear

chassis

apron

for

this

purpose.

3-5.

POWER

SOURCE.

The

SX-130

designed

operate

from

105/125

volt,

50/60

cycle

power

source.

Power

consumption

watts,

NOTE

doubt

about

your

power

source,

contact

your

local

power

company

prior

inserting

the

power

cord

into

any

power

outlet.

Plugging

the

power

cord

into

the

wrong

source

can

cause

exten-

sive

damage

the

unit.

156-006218-2

Figure

Rear

View

Receiver.

-3-

Law

Rae

ian

bel

son

4-2.

BAND

SELECTOR

SWITCH.

The

BAND

SELECTOR

switch

four

posi-

tion

rotary

switch,

which

used

place

the

proper

set

coils

into

the

circuit

cover

the

desired

frequency

range.

The

range

frequencies

covered

for

each

setting

the

switch

shown

the

following

chart.

SWITCH

POSITION

FREQUENCY

535

—

1610

1.725

—

4.7

4.5

—

11.9

—

31.5

Awd

4-3.

ANT

TRIM

CONTROL.

The

ANT

TRIM

control

variable

capa-

citor

connected

across

the

secondary

the

antenna

coil

use.

The

capacitor

adjustment

compensates

for

the

effects

various

types

antennas.

This

control

should

always

peaked

for

maximum

signal

increase

after

the

desired

signal

has

been

tuned

in.

4-4.

XTAL

PHASE

CONTROL.

This

control

is to

used

with

the

SELEC-

TIVITY

switch

for

maximum

rejection

unwanted

signals.

Adjust

for

best

reception,

when

using

BROAD

SHARP

XTAL

selectivity

positions.

4-5.

SELECTIVITY

CONTROL.

This

three

position

switch

for

selecting

the

intermediate

frequency

bandwidth

required

for

different

reception

modes.

Recommended

settings

are:

NORMAL

Full

fidelity

BROAD

XTAL

SSB,

AMunder

adverse

conditions

SHARP

XTAL

4-6.

ANL

ON/OFF

SWITCH.

The

ANL

switch

normally

kept

the

OFF

position

and

used

when

necessary

eliminate

impulse

noise

reception.

The

switch

does

not

function

when

receiving

SSB.

4-7.

AM-CW/SSB

SWITCH.

the

position

the

switch

connects

the

detector

the

amplifier

and

disables

the

BFO,

the

CW/SSB

position

the

switch

connects

the

product

detector

the

amplifier

and

ener-

gizes

the

BFO.

4.8.

USB-CW-LSB

CONTROL.

This

control

establishes

the

frequencynec-

essary

for

proper

recovery

upper

sideband,

(code),

lower

sideband

signals.

After

the

desired

signal

has

been

tuned

in,

this

control

maybe

used

for

fine

tuning

establish

the

desired

voice

code

pitch,

The

control

not

used

for

reception.

For

single

sideband

reception,

this

control

will

usually

set

follows:

and

meters

—

LSB

20,

and

meters

—

USB

4.9.

GAIN-ON/OFF

CONTROL.

The

GAIN

control

turns

power

and

off,

also,

adjusts

the

audio

output

level

the

speaker

headphones,

Clockwise

rotation

increases

the

signal

voltage

applied

the

gridofthe

ampli-

fier,

thus

increasing

the

audio

output.

4-10.

TUNING

AND

BANDSPREAD

CONTROLS.

These

controls

are

used

conjunction

with

one

another

tune

the

desired

signal

frequency.

Wide

tuning

performed

withthe

TUNING

control

and

fine

tuning

may

done

with

the

BANDSPREAD

control.

MAIN

TUNING

DIAL.

The

main

tuning,

left

hand

dial,

operated

the

TUNING

control.

The

dial

has

four

cali-

brated

scales

covering

the

following

ranges:

BAND

1......

535

1610

BAND

2......

1.725

4.7

BAND

3......

4.5

13.0

BAND

4......

11.9

31.5

Also,

100

scale

provided

for

accurately

logging

and

relocating

stations

special

interest.

IMPORTANT

The

main

dial

calibration

wiJl

correct

only

when

the

bandspread

pointer

set

the

extreme

right

(100

the

band-

spread

logging

scale).

SANDSPREAD

DIAL.

The

bandspread,

right

hand

dial,

op-

erated

the

BANDSPREAD

control.

This

dial

zontains

five

scales

calibrated

for the

80, 40,

20,

and

meter

amateur

bands

plus

the

citizens

band.

Also,

100

logging

scale

provided.

When

the

main

tuning

dial

set

the

dot

appearing

just

above

the

high

frequency

end

particular

amateur

band,

the

frequency

may

then

read

directly

the

bandspread

dial.

For

convenience

operation,

the

portion

each

amateur

band

indicated

double

weight

line

and

the

phone

portion

triple

weight

line.

The

dot

used

for

meters

should

also

used

establish

bandspread

calibration

for

the

meter

citizens

band,

The

bandspread

dial

may

also

utilizedas

fine

tuning

adjustment

over

any

portion

the

receiver

tuning

range.

Two

methods

fine

tuning

are

described

below.

The

first

method

fine

tuning

used

when

desired

tune

single

signal

accurately,

First

the

BANDSPREAD

control

set

few

degrees

from

its

full

clockwise

position.

Then

the

signal

located

withthe

MAIN

TUNING

control,

and

finally

the

signal

accurately

tuned

“rocking”

the

BANDSPREAD

control

for

best

reception.

The

second

methodof

fine

tuning

used

when

desired

tune

through

group

sig-

nals.

With

the

BANDSPREAD

control

set

fully

clockwise,

adjust

the

TUNING

control

the

highest

frequency

signal

the

group.

The

other

signals

may

then

received

slowly

turning

the

BAND-

SPREAD

counterclockwise

direction,

SECTION

OPERATION

5-1.

RECEPTION.

XTAL

PHASE

......

.....

For

best

results

a .

USB-CW-LSB

.....

Usually

LSB

for

and

Set

the

front

panel

controls

outlined

below:

meters;

USB

for

20,

and

meters

GAIN............

Maximum

clockwise

TUNING

AND

BANDSPREAD....

desired

BAND

SELECTOR..........-

Desired

band

GRIN:

egies,

Ses

rctieeseces

required

Turn

the

receiver

rotating

the

GAIN

control

clockwise

until

click

heard.

The

ANT

TRIM.

....

see

Peak

signal

tuning

dial

will

light

up,

indicating

the

receiver

7.1.)

ORE

operative.

Rotate

the

GAIN

control

for

the

AM-CW/SSB

desired

volume

level.

SELECTIVITY

........

NORMAL

BROAD

should

remembered

that

SSB

signal

TUNING

and

BANDSPREAD

desired

will

convey

intelligence

only

when

the

correct

Turn

the

receiver

rotating

the

GAIN

control

clockwise

until

click

isheard.

The

tuning

dials

will

light

up,

indicating

the

receiver

operative.

Rotate

the

GAIN

control

for

the

desired

volume

level.

5-2.

SINGLE-SIDEBAND

RECEPTION.

Set

the

front

panel

controls

outlined

below:

GAIN

czccreetee

heaves

BAND

SELECTOR

Maximum

clockwise

Desired

band

required

ANT

TRIM

~.....

Peak

signal

AM-CW/SSB

.......

CWw/SSB

SELECTIVITY...

NORMAL

XTAL

BROAD

eee

eae

sideband

position

has

been

selected

the

USB-

CW-LSB

control.

the

signal

does

not

tune

properly,

move

the

USB-CW-LSB

control

the

opposite

sideband

position

and

retune

the

receiver.

Under

certain

conditions,

may

found

advantageous

reduce

the

GAIN

setting

for

improved

reception.

should

remembered

that

this

will

reduce

AVC

and

also

affect

the

"S"

meter

reading.

5-3.

RECEPTION.

Set

all

controls

shown

single-sideband

reception,

except

for

the

USB-CW-LSB

control

which

should

set

the

position.

Under

crowded-band

conditions,

may

found

desirable

set

the

SELECTIVITY

switch

the

SHARP

position

for

improved

selectivity.

ty.

Lee

Lg,

Late

Dee

ceo

5-4.

USE

THE

‘'S’’

METER.

The

"S"

meter

provides

visual

means

determining

whether

not

the

receiver

properly

tuned,

well

indication

the

relative

signal

strength.

The

"S"

meter

circuit

consists

milliammeter

connected

series

with

the

cathode

lead

the

first

amplifier

tube,

the

grid

which

controlled

AVC

voltage.

Since

the

cathode

current

this

tube

varies

with

the

strength

the

incoming

signal,

the

meter

will

indicate

relative

signal

strength.

The

''S"

meter

calibrated

"S"

units

from

and

decibels

above

S-9.

SECTION

SERVICE

DATA

6-1.

CHASSIS

REMOVAL.

remove

the

chassis

and

panel

assembly

from

the

cabinet,

first

remove

three

screws

from

inside

the

cabinet,

the

top

the

front

panel.

These

screws

can

reached

through

the

rear

cabinet

opening.

Then

remove

five

screws

from

the

bottom

the

cabinet.

After

these

screws

have

been

removed,

slide

the

chassis

forward

and

out

cabinet,

6-2.

TUBE

AND

DIAL

LAMP

REPLACEMENT.

Tubes

may

replaced

from

the

rear

the

cabinet

without

removing

the

chassis,

When

re-

placing

dial

lamps,

recommended

that

the

chassis

removed

from

the

cabinet,

(Refer

paragraph

6-1.)

6-3.

DIAL

RESTRINGING.

restring

the

TUNING

BANDSPREAD

dials,

first

remove

the

chassis

from

the

cabinet

(refer

paragraph

6-1).

For

stringing

details,

see

figure

6-4.

SERVICE

AND

OPERATING

QUESTIONS.

For

further

information

regarding

operation

servicing

this

equipment,

contact

the

dealer

from

whom

the

unit

was

purchased.

The

Halli-

crafters

Company

maintains

extensive

system

Authorized

Service

Centers

where

any

required

service

will

performed

promptly

and

efficiently

charge

the

equipment

delivered

the

service

center

within

days

from

date

purchase

the

original

buyer

and

the

defect

falls

within

BANDSPREAD

(Kk

MAIN

TUNING

SHAFT

NOTE:

2/2

TURNS

MAIN

TUNING

AND

BAND-

SPREAD

GANGS

SHOWN

FULLY

CLOSED.

AROUND

SHAFT

AROUND

SHAFT

156-006153

Figure

§.

Dial

Cord

Restringing

Diagram.

ast

Fis

METER

ZERO

6Gwe

Figure

Top

View

Receiver.

age

—)

196-006124

the

terms

the

warranty.

isnecessaryto

pre-

sent

the

Bill

Sale

order

establish

warranty

status.

After

the

expiration

the

warranty,

repairs

will

made

for

nominal

charge.

All

Hallicrafters

Authorized

Service

Centers

display

the

sign

shown

right.

For

the

location

the

one

nearest

you,

consult

your

dealer

your

local

telephone

directory.

Make

service

shipments

the

factory

unless

instructed

letter,

The

Halli-

crafters

Company

will

not

responsibility

for

unauthorized

shipments,

The

Hallicrafters

Company

reserves

the

privilege

making

revisions

current

produc-

tion

equipment

and

assumes

obligation

incorporate

such

revisions

earlier

models.

Authorized

hallicratiers

Service

Center

Communications

Equipment

SECTION

VII

ALIGNMENT

This

receiver

has

been

carefully

aligned

the

factory

specially

trained

personnel

using

precision

equipment.

Alignment

the

receiver

should

not

attempted

until

all

other

possible

causes

faulty

operation

have

been

investigated.

Alignment

should

not

required

unless

the

receiver

has

been

tampered

with

component

parts

have

been

replaced

the

stages,

Alignment

should

performed

only

persons

familiar

with

communications

receivers

and

ex-

perienced

their

alignment,

7-1.

EQUIPMENT

REQUIRED.

Signal

Generator

covering

455

MC.

Vacuum

Tube

Voltmeter

(VTVM).

Audio

output

power

meter,

set

3-4

ohms.

7-2.

INITIAL

CONTROL

SETTINGS.

BAND

SELECTOR.

indicated

chart

and

GAIN.........

Maximum

XTAL

PHASE.........-

Center

range

ANL

owes

eee

OFF

UNC

TION

-2

sisncetvanengue

ianeteedsie:

BANDSPREAD........

Fully

clockwise

Other

controls

set

indicated

the

alignment

chart.

7-3.

ALIGNMENT

PROCEDURE.

The

adjustments

mentioned

the

alignment

chart

may

located

referring

figures

and

Before

proceeding

with

alignment

perform

the

following:

Remove

chassis

from

cabinet.

(Refer

paragraph

6-1.)

The

local

oscillator

1650

higher

than

the

incoming

signal

all

bands.

Connect

output

meter

SPKR-GND

terminals.

Use

just

enough

generator

output

maintain

500

milliwatt

reading

the

output

meter.

ALIGNHENT

SIGNAL

GENERATOR

|GENERATOR

COUPLING

FREQUENCY

Connect

high

1650

side

(approx.)

chassis.

RECEIVER

CONTROL

SETTINGS

BAND

SELECTOR-1

Signal

SELECTIVITY

and

low

sida

unmodulated

XTAL

BROAD

ADJUST

REMARKS

Use

enough

gen.

input

give

generator|a

slight

indication

the

"S"

meter.

Adjust

frequency

gen.

for

maximum

deflection

ofS"

meter,

The

should

aligned

this

crystal

frequency.

SIGNAL

GENERATOR

COUPLING

SIGNAL

GENERATOR

FREQUENCY

Crystal

fre-

quency.

Modu-

late

generator

30%

with

400

cycles,

Same

step

unmodulated,

ALIGNMENT

(CONT.)

RECEIVER

CONTROL

SETTINGS

BAND

SELECTOR-1

SELECTIVITY

NORMAL

BAND

SELECTOR-1

SELECTIVITY

NORMAL

FUNCTION-CW/SSB

Adjust

top

and

bottom

cores

for

maximum

audio

output.

Remove

knob

from

CW-USB-

LSB

control

and

adjust

L14

shaft

for

zero

beat.

Replace

knob

with

white

indicator

dot

center

line

panel.

RF,

MIXER

AND

OSCILLATOR

ALIGNMENT

All

controls

set

initial

control

settings.

Generator

modulated

30%

with

400

CPS.

SIGNAL

GENERATOR

|GENERATOR

FREQUENCY

COUPLING

Connect

high

side

Al,

low

side

GND.

(A2

GND

tied

together.)

Same

step

Same

step

Same

step

Same

step

Same

step

Same

step

Same

step

SIGNAL

1400

RECEIVER

CONTROL

SETTINGS

BAND

SELECTOR-1

TUNING

1400

BAND

SELECTOR-1

TUNING

600

BAND

SELECTOR-2

TUNING

4.0

BAND

SELECTOR-2

TUNING

1.8

BAND

SELECTOR-3

TUNING

BAND

SELECTOR-3

TUNING

BAND

SELECTOR-4

TUNING

BAND

SELECTOR-4

TUNING

-~-

~0-

(Osc,

trimmer)

C23

(Mix.

trimmer)

C13

(ANT

TRIM)

(Osc.

coil)

L12

(Mix.

coil)

C13

(ANT

TRIM)

(Osc.

trimmer)

C22

(Mix.

trimmer)

C13

(ANT

TRIM)

(Osc.

coil)

L13

(ANT

TRIM)

(Osc.

trimmer)

C21

(Mix.

trimmer)

C13

(ANT

TRIM)

(Osc.

coil)

L10

(Mix.

coil)

C13

(ANT

TRIM)

(Osc.

trimmer)

C20

(Mix.

trimmer)

C13

(ANT

TRIM)

(Ose.

coil)

(Mix.

coil)

C13

(ANT

TRIM)

REMARKS

Adjust

for

max-

imum

output,

Adjust

for

max-

imum

output.

Adjust

for

max-

imum

output.

Adjust

for

max-

imum

output.

Adjust

for

max-

imum

output.

Adjust

for

max-

imum

output.

Adjust

for

max-

imum

output.

Adjust

for

max-

imum

output,

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