Uniden JACKSON Manuale utente

Service Manual

CB TRANSCEIVER

Model JACKSON

UT-547C/D

uniden®

CORPORATION

TABLE OF CONTENTS

SPECIFICATIONS

INSTALLATION

GENERAL

INFORMATION

OPERATING

CONTROLS

ALIGNMENT

PROCEDURES

FREQUENCIES

) G.

BLOCK

DIAGRAM

SCHEMATIC

DIAGRAMS/WIRING

DIAGRAM/PC

BOARD

El2-2108

SCHEMATIC

DIAGRAM

El2-2108

REVISED

E22-4674 .

MAIN

PCB

PARTS

ASSEMBLY

TOP

VIEW

E32-2212 : .

WIRING

DIAGRAM

BILL

MATERIAL

: 25

P.S

}

)

SPECIFICATIONS

GENERAL

Channel

and

Frequency

Range

Crystals

Microphone

Speaker

Antenna

Connector

Jacks

Connectors

Controls

Meter

Illumination

Size

Weight

Accessories

MEASUREMENT

CONDITIONS

Power

Source

Antenna

Impedance

Test

Temperature

Modulation

Frequency

Modulation

Frequency

:f)

SSB

Modulation

Frequency,

Tone

Mean

Signal

Input

Level

Re:ference

Modulation

Percentage

Two

226 A Band

26.065

26.505

MHz

B Band

26~515

-26.955.MHz

C Band

26.965

D Band

27.415

E Band

27.865

27.405

MHz

27.855

MHz

28.315

MHz

600

ohms, Dynamic Type

8 ohms, 3 W

MType

Mic 4P

EXT.

PA. SP

-3.~

Power

-3P

Channel

Selector,

Mode

Selector

FM-All-USB-LSB, Mic

Gain,

ON/OFF

Power

Switch

& Volume,

ON/OFF

Switch

Squelch,

Gain,

Coarse,

Fine,

Band

SelectOr

A-B-C-D-E,

Noise

Blanker/

ANL

Switch,

Roger

Beep.Switch,

S/RF-Mod

Switch

and

+10

kHz

-Normal

Switch

Output

Power,

Signal

Strength

and

Mo~µl~tio~

: Chanriel Number

Indication

(LED)

RX,

Indication

(LED),

Meter

Lamp

7.784"(W)

2.36"(H)

11.22"(D)

Pounds

(2.2

kgs)

Power

Cable

with

Built-in

Fuse,

Microphone

and

Microphone

Hanger

13.8

(DC)

50 ohms

1 kHz

kHz

500

2.400

1.000

kHz

30%

)

Reference

Deviation

Reference

Audio

Output

Power

1.5.

kHz

0.5

1 kHz

Audio

Frequency

Audio

Output

Load 8 ohms

Resistive

TRANSMITTER

UNIT

Frequency

Tolerance

Minutes

after

Switch

on)

SSB

Carrier

Power

PEP

Power,

Two

Tone,

SSB

Spurious

& Harmonic

Emission

Carrier

Suppression

Unwanted

Sideband

Suppression

(at·2.500

Wpep

Single

toneF

· ·

Battery

Drain

Modulation

Battery

Drain

MAX

Modulation

SSB:

MAX

Wpep,

Two

Tone

MAX

Modulation

Frequ~ncy

Response

kHz,

OdB

reference)

Lower

450

Lower

2.5

kHz

Microphone

Sensitivity

For

50%

Modulation

SSB:·For

Wpep·Outpilt

For

1 kHz

Deviation

AMC

Range

100%

Modulation

SSB:

Wpep

SSB

AMmA

SSB

· FM-mA

SSB

NOMINAL

300

10.0

21.0

-50

-55

-50

3.000

800

3.eoo

3.000

-4

1.0

LIMIT

1.500

8.0

14.0

8.0

14.0

18.0

26.0

-40

4.500

1.?QO

4-;500'

4.500

-10

2.0

RECEIVER

(AHL/NB

Switch

off')

UNIT

NOMINAL

LIMIT

Max

Sensitivity

Q.5

2.0

SSB

0.25

1.0

Sensitivity

f'or

lOdB S/N

0.5

2.0

SSB

0.25

1.0

: 20dB

S/N

0.5

3.0

AGC

Figure

of'

Merit,

for

lOdB

change

Audio

Output

SSB

Overall

Audio

Fidelity

6d.B

down

Upper

Frequency

AMHz

2.000

1.500

3.000

SSB

3.000

2.000

4.500

)

2.500

1.500

4.000

Lower

Frequency

300

100

500

SSB

300

100

500

300

100

500

Adjacent

Channel

Selectivity

(10

kHz 1

GEN}

Maximum

Audio

OUtput Power

4.0

3.0

SSB

4.0

3.0

4.0

3.0

Audio

Output

Power

10%

THD

2.5

2.0

SSB

2.5

2.0

2.5

2.0

Gain

Control

Range

SSB

S/N

Ratio

1mV

Input

)

Squelch

Sensitivity

Threshold

0.5

2.0

SSB

0.5

2.0

uV-

0.5

2.0

Squelch

Sensitivity

Tight

1.000

250

4.000

SSB

1.000

250

4.000

1.000

250

4.000

Meter

Sensitivity

"S-9"

(No

Modulation)

100

400

SSB

100

400

100

400

Image

Rejection

Ratio

SSB

Rejection

Ratio

SSB

Oscillator

Dropout

Voltage

V 9

SSB

V 9

)

UNIT

NOMINAL

LIMIT

Battery

Drain

Signal

500

800

SSB

500

800

500

800

Battery

Drain

Max.

Audio

Output

1.000 1.500

SSB

1.000 1.500

Clarifier

Range

kHz

7.0

than

5.0

SSB

kHz

7.0

than

5.0

kHz ±

7.0

than

5.0

PUBLIC

ADDRESS

Output

Power

.10%

Distortion

2.5

NOTE

Shall

have

reverse

polarity

protection

and

operable

with

positive

negative

grounding

Operating

Power

Voltage

: 13.SV +

20%

INSTALLATION

LOCATION

Plan

the

location

the

transceiver

and

microphone

bracket

before

starting

the

installation.

Select

location

that

convenient

for

operation

and

does

not

interfere

with

the

driver

passenger

the

vehicle.

automobiles,

the

transceiver

usually

mounted

the

dash

panel

with

the

microphone

bracket

beside

it.

MOUNTING

AND

CONNECTION

This

radio

supplied

with

universal

mounting

bracket.

The

transceiver

held

the

bracket

the

four

thumb

screws.

supplied,

permitting

adjustment

the

most

convenient

angle.

The

bracket

must

mounted

with

the

screws

supplied.

The

mounting

surface

must

mechanically

strong.

Proceed

follows

mount

the

transceiver

After

you

have

determined

the

most

convenient

location

your

vehicle,

hold

the

radio

with

the

mounting

bracket

the

exact

location

desired.

nothing

interferes

with

mounting

the

desired

position,

remove

the

~unting

bracket

thumb

screws

and

mark

the

mounting

holes

using

the

bracket

template.

Before

drilling

the

holes,

sure

nothing

will

interfere

with

the

installation

the

mounting

screws.

Drill

the

holes

and

mount

the

bracket

and

then

install

the

radio.

Connect

the

antenna

cable

plug

the

standard

receptacle

the

rear

panel.

Most

antennas

are

terminated

with

type

PL-259

plug

which

mates

with

the

receptacle

the

rear

panel.

.Connect

the

power

input

wire

with

the

fuse

(red)

+12V

DC.

This

wire

extends

from

plug

which

connects

the

rear

panel.

automobile

installations,

+12V

usual-

obtained

from

the

accessory

contact

the

ignition

switch.

This

prevents

the

set

being

left

accidentally

when

the

driver

leaves

the

car

and

also

permits

operating

the

radio

without

the

engine

running.

You

can

locate

the

)

accessory

contact

most

ignition

switches

tracing

the

power

wire

from

the

broadcast

receiver

the

car.

Connect

the

black

wire

ground.

This

usually

the

chassis

the

car.

Any

convenient

location

with

good

electrical

contact

may

used.

(remove

paint).

Note

See

ground

connection

under

GENERAL

INFORMATION

for

detail.

Mount

the

microphone

hanger

the

side

the

unit

near

the

unit,

using

the

screws

supplied.

)

GENERAL

INFORMATION

GROUND

CONNECTION

This

radio

may

installed

and

used

any

12V

negative

positive

ground

system

vehicle.

Negative

ground

system

Connect

the

Red power

lead

:from

the

radio

the

positive

(+)

battery

terminal

other

con-

venient

point,

and

connect

the

Black

power

lead

the

chassis

vehicle

frame

(-)

battery

terminal.

Positive

ground

system

the

cases

positive

ground

sys~

tem,

connect

the

Black

power

lead

from

the

radio

the

nega-

tive

(-)

battery

terminal

other

convenient

point,

and

connect

the

Red

power

lead

the

chassis

vehicle

frame

(+)

battery

terminal.

ANTENNA

This

radio

designed

operate

into

ohm

CITIZENS

RADIO

antenna.

Best

result

will

obtained

:from

your

transceiver

you

use

good

antenna

and

properly

install

your

antenna.

(Refer

the

antenna

installation

instructions

included

w~th

your

an-

tenna.)

vertically

polarized

quarter-wavelength

whip

antenna

provides

the

most

reliable

operation

and

greater

range.

The

shorter

loa-

ded-type

whip

antennas

are

attractive,

compact

and

adequate

for

applications

where

the

maximum

possible

distance

not

re-

quired.

Also,

the

loaded

whip

antennas

not

present

the

pro-

blems

height

imposed

the

full

quarter-wavelength

whip.

When

installed

boat,

the

transceiver

will

operate

most

efficiently

when

the

antenna

used

has

been

especially

designed

for

marine

applications.

Mobile

whip

antennas

utilize

the

metal

body

the

vehicle

ground

plane.

When

mounted

corner

the

vehicle,

they

are

slightly

directional,

the

direction

the

body

the

vehicle.

For

all

practical

purposes,

however,

the

radiation

pattern

non-

directional.

slight

directional

characteristic

will

observed

only

extreme

distances.

standard

antenna

connector

(Type

)

}

S0-239)

provided

the

transceiver

for

easy

connection

standard

PL-259

cable

termination.

Before

installing

the

transceiver

boat,

consult

your

dealer

f'or

information

regarding

adequate

grounding

system

and

pre-

vention

of'

electrolysis

between

fittings

the

hull

and

water.

BASE

STATION

OPERATION

operate

the

transceiver

from

your

home

of'f'ice,

using

regu-

lar

house

current

the

power

source,

you

will

require

sepa-

rate

power

supply

capable

of'

supplying

5 amps

a 13.SV'DC

out-

put

with

nominal

input

voltage

of'

220

volts

AC,

50/60

Hz.

Simply

connect

the

red

(+}

and

black

(-}

leads

the

transceiver

the

corresponding

terminals

of'

the

power

supply.

NOTE

not

attempt

operate

this

transceiver

connecting

directly

220V

AC.

When

power

supply

used

with

the

transceiver

for

base

station

operation

any

Citizens

Band beam,

dipole;·ground

plane

vertical·antenna

may

used.

ground

plane

vertical

antenna

will

provide

the·

most

uniform

horizontal

coverage.

REMOTE

SPEAKER

The

external

speaker

jack

(EXT.

SPKR)

the

rear

panel

used

f'or

remote

receiver

monitoring.

The

external

speaker

should

have

8 ohms

impedance.

When

the

external

speaker

plugged

in,

the

internal

speaker

disconnected.

PUBLIC

ADDRESS

external

ohm

4-watt

speaker

must

connected

the

(PA

SPKR)

jack

located

the

rear

panel

when

the

transceiver

used

public

address

system.

The

speaker

should

directed

away

from

the

microphone

prevent

accoustic

feedback.

Physical

se-

paration

isolation

of'

the

microphone

and

speaker

important

when

operating

the

high

output

levels.

OPERATING

INSTRUCTIONS

The

JACKSON

operates

226

AM/FM

channels,

226

Upper

Side

Band

channels

and

226

Lower

Side

Band

channels.

When

you

receive

the

SSB

signal

the

proper

mode

(USB

I.SB),

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