Uniden JACKSON Manuel utilisateur

Service Manual

CB TRANSCEIVER

Model JACKSON

UT-547C/D

u n l d e n

CORPORATION

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TABLE OF CONTENTS

A. SPECIFICATIONS

B. INSTALLATION

C. GENERAL INFORMATION

D. OPERATING CONTROLS

E. ALIGNMENT PROCEDURES

F. FREQUENCIES

G. BLOCK DIAGRAM

H. SCHEMATIC DIAGRAMS/WIRING DIAGRAM/PC BOARD

1. E1 - 108 : SCHEMATIC DIAGRAM

. E1 - 108 : REVISED

3. E —4674 : MAIN PCB PARTS ASSEMBLY TOP VIEW

4. E3 - 1 : WIRING DIAGRAM

I. BILL OF MATERIAL : 5 P.S

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A. SPECIFICATIONS

1. GENERAL

Channel and Frequency Range

Crystals

Microphone

Speaker

Antenna Connecter

Jacks & Connectors

Controls

Meter

Illumination

Size

Weight

Accessories

. MEASUREMENT CONDITIONS

a) Power Source

b ) Antenna Impédance

c) Test Température

d) AM Modulation Frequency

e) FM Modulation Frequency

f) SSB Modulation Frequency, Two

Tone

g) Mean Signal Input Level

h) Reference AM Modulation

Percentage

6 А Band 6.065 - 6.505 MHz

ВBand 6.515 - 6.955 MHz

СBand 6.965 - 7.405 MHz

DBand 7.415 - 7.855 MHz

EBand 7.865 - 8.315 MHz

600 ohms, Dynamic Type

8 ohms, 3 V

M Type

Mic 4P

EXT. SP -3.50

PA. SP -3.50

DC Power —3P

Channel Selector, Mode Selector

FM—AM-USB—LSB, Mic Gain, ON/OFF Power

Switch & Volume, ON/OFF PA Switch &

Squelch, RF Gain, Coarse, Fine,

Band Selector A—B—C—IMS, Noise Blanker/

ANL Switch, Roger Веер Switch, S/RF-Mod

Switch and +10 kHz — Normal Switch

RF Output Power, Signal Strength and

Modulation

Channel Number Indication (LED)

RX, TX Indication (LED), Meter Lamp

7.784"(W) X .36"(H) X 11. "(D)

5 Pounds ( . kgs)

DC Power Cable with Built-in Fuse,

Microphone and Microphone Hanger

13.8 V (DC)

50 ohms

1 kHz

500 Hz $ .400 Hz

1.000 uV

1 kHz 30%

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i) Reference FM Deviation : 1.5 kHz

j) Reference Audio Output Power : 0.5 W

k) Audio Frequency : 1 kHz

1) Audio Output Load : 8 ohms Résistive

3. TRANSMITTER UNIT NOMINAL LIMIT

a) Frequency Tolérance AM Hz ± 300 ± 1.500

at 5 (5 Minutes after Switch on) SSB Hz ± 300 ± 1.500

FM Hz ± 300 ± 1.500

b) Carrier Power AM W 10.0 8.0 - 14.0

FM W 10.0 8.0 - 14.0

c) PEP Power, Two Tone, SSB Wpep 1.0 18.0 - 6.0

d) Spurious & Harmonie Emission AM dB -50 -40

*SSB dB -50 -40

FM dB -50 —40

e) Carrier Suppression SSB dB -55 -40

f) Unwanted Sideband

Suppression

(at .500 Hz 4 Wpep 16 dB Single

tone) SSB dB -50 -40

g) Battery Drain

at no Modulation AM mA 3.000 4.500

SSB mA 800 1.500

FM-mA 3.Ö00 4-.500'

h) Battery Drain

Am : MAX Modulation mA 3.000 4.500

SSB: MAX Wpep, Two Tone mA 3.000 4.500

FM : MAX Modulation mA 3.000 4.500

i) Modulation Frequency Response

(1 kHz, OdB reference)

Löwer at 450 Hz AM dB -4 -10

SSB dB -4 -10

FM dB -4 -10

Lower at .5 kHz AM dB —4 -10

SSB dB -4 -10

FM dB -4 -10

j) Microphone Sensitivity

AM : For 50% Modulation mV 1.0 .0

SSB: For 10 Wpep Outpùt mV 1.0 .0

FM : For 1 kHz Deviation mV 1.0 .0

к) AMC Range

AM : 50 — 100% Modulation dB 50 40

SSB: dB 50 40

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4. RECEIVER (ANL/NB Switch off)

a) Max Sensitivity

b) Sensitivity for lOdB S/N

FM : 0dB S/N

c) ACÏC Figure of Merit, 50 mV

for lOdB change in Audio

Output

d) Overall Audio Fidelity

at 6dB down

Upper Frequency

Lower Frequency

e) Adjacent Channel Selectivity

(10 kHz 1 GEN)

f) Maximum Audio Output Power

g) Audio Output Power at 1056 THD

h) RF Gain Control Range

i) S/N Ratio at 1mV Input

j) Squelch Sensitivity at Threshold

k) Squelch Sensitivity at Tight

l) S Meter Sensitivity

at "S—9" (No Modulation)

m) Image Rejection Ratio

n) IF Rejection Ratio

o) Oscillator Dropout Voltage

UNIT NOMINAL LIMIT

AM uV Q.5 .0

SSB uV 0. 5 1.0

AM uV 0.5 .0

SSB uV 0. 5 1.0

FM uV 0.5 3.0

AM dB 80 70

SSB dB 80 70

AM Hz .000 1.500 - 3.000

SSB Hz 3.000 .000 - 4.500

FM Hz .500 1.500 - 4.000

AM Hz 300 100 - 500

SSB Hz 300 100 - 500

FM Hz 300 100 - 500

AM dB 70 60

AM V 4.0 3.0

SSB V 4.0 3.0

FM V 4.0 3.0

AM V .5 .0

SSB V .5 .0

FM V .5 .0

AM dB 55 30 - 70

SSB dB 55 3 0 - 7 0

FM dB 55 3 0 - 7 0

AM dB 30 5

FM dB 35 5

AM uV 0.5 .0

SSB uV 0.5 .0

FM uV 0.5 .0

AM uV 1.000 50 - 4.000

SSB uV 1.000 50 - 4.000

FM uV 1.000 50 - 4.000

AM uV 100 5 - 400

SSB uV 100 5 - 400

FM uV 100 5 - 400

AM dB 65 50

SSB dB 65 50

FM dB 65 50

AM dB 85 70

SSB dB 85 70

FM dB 85 70

AM V 911

SSB V 9 11

FM V 9 11

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UNIT NOMINAL LIMIT

p) Battery Drain at No Signal AM mA 500 800

SSB mB 500 800

FM mA 500 800

q) Battery Drain at Max.

Audio Output AM mA 1.000 1.500

SSB mA 1.000 1.500

FM mA 1.000 1.500

r) Clarifier Range AM kHz ± 7.0 More than ± 5.0

SSB kHz ± 7.0 More than ±5.0

FM kHz ± 7.0 More than ±5.0

PUBLIC ADDRESS

a) Output Power

at 1036 Distortion V .5

NOTE :

1) Shall hâve reverse polarity protection and operable with positive of negative

grounding

) Operating Power Voltage : 13.8V + 15 - 036 DC

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В. INSTALLATION

1. LOCATION

Plan the location of the transceiver and microphone bracket

before starting the installation. Select a location that is

convenient for operation and does not interfère with the

driver or passenger in the vehicle. In automobiles, the

transceiver is usually mounted to the dash panel with the

microphone bracket beside it.

. MOUNTING AND CONNECTION

This radio is supplied with a universal mounting bracket.

The transceiver is held in the bracket by the four thumb screws

supplied, permitting adjustment to the most convenient angle.

The bracket must be mounted with the screws supplied. The

mounting surface must be mechanically strong. Proceed as

follows to mount the transceiver :

a) After you hâve determined the most convenient location in

your vehicle, hold the radio with the mounting bracket in

the exact location desired. If nothing interfères with

mounting it in the desired position, remove the mounting

bracket thumb screws and mark the mounting holes using

the bracket as a template. Before drilling the holes,

make suro nothing will interfère with the installation of

the mounting screws. Drill the holes and mount the bracket

and then install the radio.

b) Connect the antenna cable plug to the standard réceptacle

on the rear panel. Most CB antennas are terminated with a

type PL— 59 plug which mates with the receptacle on the

reçu* panel.

c) Connect the DC power input wire with the fuse (red) to +1 V

DC. This wire extends from a plug which connecte to the

rear panel. In automobile installations, +1 V DC is usual

ly obtained from the accessory contact on the ignition

switch. This prevents the set being left on accidentally

when the driver leaves the car and also permits operating

the radio without the engine running. You can locate the

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accessory contact on most ignition switches by tracing the

power wire from the AM broadcast receiver in the car.

d) Connect the black wire to ground. This is usually the

chassis of the car. Any convenient location with good

electrical contact may be used. (remove paint).

Note : See ground connection under GENERAL INFORMATION for

more detail.

e) Mount the microphone hanger on the side of the unit or near

the unit, using the screws supplied.

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C. GENERAL INFORMATION

1. GROUND CONNECTION

This radio may be installed and used in any 1 V DC negative or

positive ground system vehicle.

a) Negative ground system : Connect the Red power lead from the

radio to the positive or (+) battery terminal or other con-

venient point, and connect the Black power lead to the chassis

or vehicle frame or (-) battery terminal*

b) Positive ground system : In the cases of positive ground sys

tem, connect the Black power lead from the radio to the nega

tive or (-) battery terminal or other convenient point, and

connect the Red power lead to the chassis or vehicle frame

or (+) battery terminal.

. ANTENNA

This radio is designed to operate into a 50 ohm CITIZENS RADIO

an terma. Best result will be obtained from your transceiver if

you use good antenna and properly install your antenna. (Refer

to the antenna installation instructions included with your an

tenna. )

A vertically polarized quarter—wavelength whip antenna provides

the most reliable operation and greater range. The shorter loa—

ded—type whip antennas are more attractive, compact and adéquate

for applications where the maximum possible distance is not re—

quired. Also, the loaded whip antennas do not present the Pro

blems of height imposed by the füll quarter-wavelength whip.

When installed in a boat, the transceiver will operate most

efficiently «dien the antenna used has been especially designed

for marine applications.

Mobile whip antennas utilize the metal body of the vehicle as a

ground plane. When mounted on a corner of the vehicle, they are

slightly directional, in the direction of the body of the vehicle.

For ail practical purposes, however, the radiation pattern is non-

directional. A slight directional characteristic will be observed

оniy at extreme distances. A standard antenna connector (Type

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SO- 39) is provided on the transceiver for easy connection to a

standard PL- 59 cable termination.

Before installing the transceiver in a boat, consult your dealer

for information regarding an adéquate grounding system and pré

vention of electrolysis between fittings in the hüll and water.

3. BASE STATION OPERATION

То operate the transceiver from your home or office, using regu

lär house current as the power source, you will require a sepa

rate power supply capable of supplying 5 amps at a 13.8VDC out

put with a nominal input voltage of 0 volts AC, 50/60 Hz.

Simply connect the red (+) and black (—) leads to the transceiver

to the corresponding DC terminais of the power supply.

NOTE : Do not attempt to operate this transceiver by connecting

directly to 0V AC. When an AC power supply is used with

the transceiver for base station operation any Citizens

Band beam, dipole, ground plane or vertical -antenna may be

used. A ground plane vertical antenna will provide the

most uniform horizontal coverage.

4. REMOTE SPEAKER

The external speaker jack (EXT. SPKR) on the rear panel is used

for remote receiver monitoring. The external speaker should hâve

8 ohms impédance. When the external speaker is plugged in, the

internai speaker is disconnected.

5. PUBLIC ADDRESS

An external 8 ohm 4—watt speaker must be connected to the (PA

SPKR) jack located on the rear panel when the transceiver is used

as a public address system. The speaker should be directed away

from the microphone to prevent accoustic feedback. Physical sé

paration or isolation of the microphone and speaker is important

when operating the PA at high output levels.

6. OPERATING INSTRUCTIONS

The JACKSON opérâtes on 6 AM/FM channels, 6 Upper Side Band

channels and 6 Lower Side Band channels.

When you receive the SSB signal in the proper mode (USB or LSB),

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