Yaesu Fp 1023 User manual

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OWNER'S

MANUAL

I

Index

SECTION

1

Important

Safety

Instructions

..

SECTION

2

Description &

Features

.

SECTION

3

Connection & Operation

....

SECTION

4

Cooling &

Fan

Control ........

SECTION

5

Battery Charging &

Backup.

SECTIQN

6

Troubleshooting

..

SECTION

7

Limiting Electromagnetic Interference

.....

SECTION

8

Switching

Power

Supplies

&

RF

Noise

...

SECTION

9

Specifications

······· 3

4

5

6

8

11

SECTION 1 I

Important

Safety

lnstru<:tions

&

CAUTION!

RISK

OF

ELECTRIC

SHOCK!

DO

NOT

OPEN!

WARNING-TO

REDUCE

THE

RISK

OF

FIRE.OR

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

THERE

ARE

NO

USER

SERVICEABLE

PARTS

INSIDE-REFER

TO

QUALIFIED

SERVICE

PERSONNEL.

IMPORTANT

SAFETY

INSTRUCTIONS

Please Read Before Using Your

Power

Supply.

1.

It

Is

recommended

that

you

return

your

power

supply

to

a

qualified

Yaesu

dealer

for

any service

or

repair. Incorrect assembly may result in electric shock

or

fire.

2.

To

reduce

the

risk

of

electric shock,

unplug

the

power

supply

from

the

outlet

be-

fore

attempting

any maintenance

or

cleaning. Turning

off

controls

will

not

reduce

this risk.

3. An extension cord should

not

be

used

unless absolutely

necessary.

If

an extension

cord must be used make sure

that

the pins

on

the plug are the same number.

size

and

shape

as

those

of

the

original

power

supply plug.

4.

Place

the

unit

in an area

that

will

allow

air

to

flow

freely around

the

unit.

DO

NOT

block

or

obstruct vent openings on

the

side/bottom

of

the

unit.

5.

Keep

the

unit

away from moisture and water.

6.

NEVER

OPERATE

THE

UNITS

IN

PARALLEL.

WARNING

-

YOUR

POWER

SUPPLY

SHOULD

BE

GROUNDED

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK.

THE

POWER

SUPPLY

IS

EQUIPPED

WITH

GROUNDING

CONDUCTOR

AND

GROUNDING

PLUG.

The cord must be plugged

into

an

outlet

that

is

properly installed and

grounded

in

ac-

cordance

with

all local codes and ordinances. Never alter

the

AC

cord

of

plug

provided.

If

the

cord

will

not

fit

the

outlet, have a proper

outlet

installed by

qualified

electrician.

Improper connection can result in risk

of

electric shock.

DO

NOT

USE

THE

POWER

SUPPLY

FOR

DIRECT

CHARGiNG

OF

BATTERY

OR

DIRECT

CONNECTION

TO

A

BATTERY

FOR

BATTERY

BACK-UP.

(

Please

read the

section

on

Battery Back-up).

SECTION 2 I

Description

&

Features

Description

FP-1023

is

a switched

mode

power

supply which converts

AC

mains voltage

to

regulated

13.8

VDC

based

on

pulse

width

modulation

(PWM) control.

Features

•

Based

on

switched mode technology and

pwm

control

Compact and

lightweight

High efficiency and

less

heat dissipation

Protected against short circuit, over current and over voltage

(through

pwm

controller)

Forced

air

cooling and over

temperature

shut

down

Complies

with

fee

part

1

S(b)

for

radiated & conduct

AC

Input

Voltage

The

unit

is

preset

to

operate

from

an

AC

input

voltage

of

120

VAC,

60Hz.

It

can also

operate

from

230

VAC,

50/6~Hz

by

internal

jumper

setting.

Input

Voltage Conversion From 120

VAC

To

230

VAC

WARNING! TO

REDUCE

THE

RISK

OF

ELECTRICAL

SHOCK,

IT

IS

RECOMMENDED

THAT

THE

FOUOWING

SERVICE

BE

PERFORMED

BY

A QUALIFIED

SERVICE

TECHNIOAN

1.

Unplug

the

power

supply

from

the

AC

outlet

2.

Remove

the

top

cover

3.

Points

"C"

and

"E"

on the

printed

circuit board are connected

with

a flexible

wire

jumper

for

120

VAC

input. Disconnect

the

jumper

at

point

"C"

by pulling the

female quick connect upwards. Tape

the

end

of

this quick connect

with

insulation

tape. Change

the

fuse

to

4A

(see

fuse

rating

at page

11)

4.

Replace

the

top

cover

5.

Use

a

power

cord

with

plug suitable

for

the

230

VAC

receptacle

(Ensure

plug

and receptacle are 2 pole, 3

wire

grounding

type)

SECTION 3 I

Connection

&

Operation

WARNING! Before

plugging

the

unit

to

the

AC

outlet.

please check

that

your

local sup-

ply

voltage

is

120

VAC.

(If

the

input

voltage

is

230

VAC,

an

internal

jumper

setting

will

be

required • see page 4)

NOTE:

The

DC

output

connector (RED+ & BLACK·)

has

a

tubular

hole

of

dia. 0.2"(5mm)

with

a set screw. For a

firm

connection, crimp/solder a pin type copper

terminal

on

the

cable ends

of

your

12V

DC

device.

Ensure

that

the

power

supply's

ON/OFF

switch

is

off

and

it

is

unplugged

from

the

AC

outlet.

Switch

off

your

12

V

DC

device

and

connect its positive and negative

to

the

RED

(Positive) and

BLACK

(Negative) terminals respectively. Ensure

that

the

connections are

secure and

tight.

Plug

the

power

supply

into

the

AC

outlet.

Press

the

ON/Off switch

of

the

power

supply

to

ON and observe

that

the

neon indicator

in

the

switch illuminates.

If

the

indicator fails

to

light, recheck

the

connection,

AC

outlet

and

the

fuse inside the

power

supply.

Your

12

V

DC

device may

now

be switched on.

SECTION 4 I

Cooling

& Fan

Control

Cooling &

Fan

Control I Thermal Shut

Down

FP-1023

is

cooled by convection and forced air. A

temperature

controlled

fan

has

been

provided

to

improve cooling at higher loads. The fan

is

controlled by a sensor

mounted

on

the

power

transformer.

THE

FAN

Will

BE

OFF

AT

LOWER

LOADS.

It

will

come on only

when

the

temperature

of

the

power

transformer

is

above

70°(

due

to

higher loads. In

case

the

fan

fails

or

the

air

flow

is

blocked, a second temperature sensor

mounted

on

the

power

transformer

will

activate over

temperature

shut

down

at

1000C.

The

output

voltage

will

be automatically resumed once

the

unit

cools

down.

OPERATE

THE

UNIT

IN

A

WELL

VENTILATED

OPEN

AND

COOL

AREA.

DO NOT

BLOCK

THE

OPENINGS

AT

THE

FAN

DISCHARGE

ON

THE

BOTIOM

AND

THE

SUCTION

OPENINGS

ON

THE

SIDES.

SECTION

5 I

Battery

Charging

&

Battery

Backup

Battery Charging

and

Battery Back-Up

WARNING I

THIS

UNIT

IS

A

POWER

SUPPLY

AND

NOT

A

BATIERY

CHARGER.

DO

NOT

CONNECT

THIS

UNIT

DIRECTLY

TO

A

BATIERY.

This

unit

should

NOT

BE

DIRECTLY

CONNECTED

TO

A BATIERY

for

charging or

for

battery back-up. Battery charging and battery back-up may be undertaken only when

the

battery

is

connected

through

suitable external isolating diodesand charge

limiting

resistor. The isolating diode

will

ensure

that

the

battery

does

not

back power

the

power

supply.

When

a battery

is

deeply discharged,

it

will initially

draw

a very large charging

current

and

thus,

will

force

the

power

supply

into

current

limit

mode

for

prolonged

periods. This is harmful

for

the

power

supply. The charge

limiting

resistor

will

limit

the

chargingcurrent. thereby, ensuring

that

the

maximum charging current

is

well

below

the

current

limit

value

of

the

power supply.

SECTION

6 I

l".'oubleshooting

PROBLEM

P.OWER

ON/OFF

SWITCH

DOES

NOT ILLUMINATE

WHEN

TURNED

ON

Probable

cause

No power in the

AC

outlet

AC

side fuse inside

the

power supply

is

blown

Suggested Remedy

Check

there

is

power in

the

outlet

Replace

the fuse inside

the

unit

See

fuse ratings

at

page

11

PROBLEM

AC

SIDE

FUSE

BLOWS

AS

SOON

AS

POWER

IS

TURNED

ON

Probable cause '

Unit

set

to120

VAC,

but

has

been

connected

to

230

VAC

Suggested Remedy

Check

voltage setting before powering

the unit

Unit

is

defective

~~echnical

support

I

\

SECTION

6 I

Troubleshooting

.PROBLEM

THE

OUTPUT

VOLTAGE

IS

OV

OR

VERY

LOW

Probable Cause

Input

voltage

is

very

low

or

the

unit

has

been set

for

230

VAC

input,

but

has

been

connected

to

120

VAC

The

unit

is

in current

limit

condition due

to

overload caused by large reactive load-

ing

or

by

the

output

being short circuited

Unit

is

shut

down

due

to

over

temperature

Suggested Remedy

Check

that

the

input

voltage

is

within

the

range and also corresponds

to

the input

voltage setting on the

unit

Check

the

output

terminals are not

shorted.

Remove

the load.

If

the

output

voltage gets restored,

the

load

is

shorted

or

is

offering large reactive impedance

Check

that

the

fan

has

not

failed or the

vent openings are

not

blocked

PROBLEM

OUTPUT

VOLTAGE

DROPS

AS

SOON

AS

THE

LOAD

IS

SWITCHED

ON

Probable cause

The

unit

is

going

into current

limit

protection mode

The

unit

has

been

set

for

230

VAC

input

but

has

been connected

to

120

VAC

Suggested Remedy .

Reduce

the load current

to

less

than

the

current

limit

value. Motors, pumps,

compressors. relays. incandescent and

halogen lamps and large capacitors in the

input

section

of

the

DC

devices draw very

high inrush

or

starting currents

of

up

to

10

times their normal operating currents.

Ensure

that

these inrush/starting currents

are below

the

current

limit

value

of

the

power supply

Check

that

the input voltage corresponds

to

the

input

voltage setting

of

the unit

SECTION 1 I

Limiting

Electrom.agnetic

Interference

Limiting Electromagnetic Interference (EMI)

This

equipment

has

been

tested

and

found

to

comply with

the

limits for a class Bdigi-

tal device,

pursuant

to

Part 15(8)

of

the

FCC

Rules. These limits

are

designed

to

provide

reasonable protection against a harmfUI interference in a residential installation. This

equipment

generates,

uses

and

can

radiate

radio frequency energy and,

if

not

installed

and

used in accordance with

the

instructions, may cause harmful interference

to

radio

communications. However, this does

not

guarantee

that

interference will

not

occur in

a particular installation.

If

this

equipment

does

cause harmful interference

to

radio

or

television reception, which

can

be

determined

by

turning

the

equipment

off

and

on,

the user

is

encouraged

to

try

to

correct

the

interference by

one

or

more

of

the

follow-

ing measures:

• Reorient

or

relocate

the

receiving

antenna

• Increase

the

separation

between

the

equipment

and

receiver

• Connect

the

equipment

into

an

outlet

on

a circuit different from

that

to

which

the

receiver

is

connected

• Consult

the

dealer

or

an

~xperienced

radio I

TV

technician for help

SECTION 8 I

Switching

Power

Supplies

&

RF

Noise

1.

Switched

mode

power

supplies

(SMPS)

employ high frequency switching

and

thus,

are

a source

of

radio interference, a recipient of radio interference

and

a conduit

of

radio interference. (Older linear type trans-former based

power

supplies

do

not

em-

ploy high frequency switching volt-ages

and

will

be

quieter

as compared

to

switch-

ing

type

of

supplies).

2. The primary emission sources originate

in

the

switching devices

due

to

their fast

switching current transitions: harmonics

of

the

switching frequency

and

broadband

noise

created

by

under-damped

oscillations in

the

switching circuit. The secondary

source is from

the

bridge rectifier,

both

rectifier noise

and

diode recovery. The

AC

input rectifier I capacitor

in

the

front

end

of

the

switching power supplies (excepting

those

with

power

factor correction) are notorious for

generating

power

supply har-

monics

due

to

the

non

linear input current waveform. The noise

is

both

conducted

and

radiated

through

the

input power cord

and

the

DC

output

wiring

to

the

radio.

3.

Switching

power

supplies are also recipients

of

radio interference. The normal

operation

of

the

power supply can

be

disturbed

due

to

RF

noise

getting

coupled

into

the

power

supply. Thus,

the

power supply may

generate

excessive

RF

noise

and

lose

output

voltage regulation

due

to

excessive transmitter energy being coupled

through

the

AC

I

DC

lines

to

the

power supply's regulator feedback path.

This

may

be

due

to

antenna

being

too

close

or

due

to

the

antenna

or

feed

system not radiat-

ing properly.

First

check

the

antenna

system

SWR.

Then.

if

necessary, relocate

either

the

antenna

or

the

power supply farther apart.

SECTION 8 I

Switching

Power

Supplies

&

RF

Noise

4. The receiver may

"hear"

the

power supply. A slowly moving, slightly buzzing carrier

heard

in

the

receiver may

be

caused

by

the

antenna

being

too

close.

As

with

the

transmitter

or

a broken

or

a

miss-

ing

ground

may

aggravate

this problem. Normally

these

noises

will

be

below

the

background

or

"band"

noise. Increase

the

separation

between

the

power supply

and

the

receiving

antenna.

Use

an

outdoor

antenna.

This

will

reduce

the

amount

of signal

picked

up

from

the

power

supply

and

also increase

the

amount

of

the

desired signal.

5.

The

conducted

and

radiated noises

are

limited as

per

the

applicable national I inter-

national standards.

In

North America,

the

applicable

standard

is

as per

FCC

Part 15(8)

for Class "B" digital devices. The European

standard

is

as per

ENS5022,

Class

"B" &

EN610000-3-2,

3.

Thus,

the

RF

interference

is

limited

but

not

entirely eliminated.

6.

The

conducted

RF

noise from

these

power supplies

is

limited

to

the

maximum allow-

able

levels by internal filtration. The filtered

RF

noise currents (normally <

SmA)

are

bypassed

to

the

chassis

of

the

power

supply. The chassis

is,

in

turn

connected

to

the

earth

ground

pin of

the

AC

input

power

cord (for

Class

1 units). Thus,

the

filtered

noise currents

are

intentionally leaked

to

the

earth

ground. This

is

termed

as

the

"Earth

leakage

Currenr.

For

safety against electric shock, this

earth

leakage current

is

also required

to

be

limited.

It

will

be

seen

that

these

two

requirements are conflict-

ing.

NOTE:

In

some

cases.

to

prevent electric shock hazard

due

to

abnormal leakage current

(like in marinas, spas,

hot

tubs,

wet

spaces etc.),

the

AC

outlet

circuits I receptacles

in

these

areas

are

served

through

a

GFCI

(Ground Fault Circuit Interrupter).

This

GFCI

is

normally

set

to

trip

when

it senses

an

earth

leakage current > 5

mA.

A single

GFCI

may

be

serving multiple

AC

outlet

circuits I receptacles

and

therefore,

will

be

sensing

the

sum

of

all

the

leakage currents

of

the

devices connected

to

these.

As

the

switching power

supplies have intentional leakage current as explained above, it may trip a

GFCI

feeding

multiple

AC

outlet

circuits I receptacles.

In

such cases, disconnect devices connected

to

the

other

AC

outlet

circuits I receptacles served

by

this

GFCI.

7.

Following additional guidelines may

be

followed

to

reduce

the

effects of

RF

noise:

a.

Use

additional appropriate

AC

radio frequency interference

(RFI)

power

line filter

immediately

before

the

ac input of

the

power supply.

Recommended: Corcom

Inc.

( www.cor.com )

"Q"

series. Filtered, ferrite coated

cord

set

(www.emceu-pen.com)

is

another

choice. These cord sets, with integral

line interference filters, reduce common

and

differential

mode

interferences over

a wide frequency range. Because they are shielded, they are also effective against

radiated interferences.

In

addition

to

the

built-in filter networks.

the

cable conduc-

tors are

coated

with

an

RF

absorbing ferrite compound.

This

provides additional

attenuation

at

high frequencies

that

is

lacking

in

most regular

LC

filters. The

RF

absorption of

the

ferrite-coated cable avoids resonance's

at

high frequencies,

reducing

the

conducted

and

radiated

RF

noises even further.

~~--

SECTION8 I Switching

Power

Supplies &

RF

Noise

~;

b.

Use

additional

appropriate

DC

radio frequency interference

(RFt)

power

line

filter

immediately

after

the

de

output

of

the

power

supply.

Recommended:

Corcom lnc.(www.cor.com)

"DA"/

"DC"

series.

c.

Twist

the

positive

and

negative wires

from

the

output

of

the

power

supply

to

the

radio.

d.

The

DC

side positive and negative

outputs

of

these

power

supplies are isolated

from

the

chassis.

As explained

at

paragraph 6 above,

the

noise currents are

filtered

to

the

chassis

ground

and

the

chassis

ground

is

connected

to

the

earth

ground

through

the

earth

ground

of

the

AC

power

outlet

receptacle. Avoid

connecting (referencing)

the

DC

-negative

output

terminal

of

the

power

supply

to

the

earth

ground.

_

e.

Connect a 1/4" wave

length

of

wire

on

the

negative

terminal

of

the

power

sup-

ply. Connect

one

end

of

the

wire

to

the

negative

terminal

and

leave

the

other

end free. The wave

length

corresponds

to

the

wave

length

of

the

interfering

frequency. (May

not

be

practical

for

long

wave lengths} ·

(Formula: Wave

length

(Meters) =300 I frequency

in

MHz)

SECTION

9 I Specifications

INPUT

VOLTAGE

(nominal) 120

VA(,

6offzJPre-Set)

i30

VAC~

50 Mf-(Requires Internal Jumper

• Setting) -See

Page

4

OUTPVT

VOLTAGE

13.SVDC •

f:~

---

OUTPUT

RIPPLE

&

NOISE

150Mv,Peak

TEi

Peak

(ON

FULL

LOAD) '

OUTPUT

CURRENT,

-~A

..

, '

CONTINUOUS

CURRENT

LIMIT 25A

COOLING Temperature c;ontrolled

Fan

PROTECTIONS

Over Current.

~rt

Circuit

And

Over Voltage (Ttlrough Pwm Controller)

Over Temperature Shut

Down

ENVIRONMENTAL

TEMPERATURE

RANGE

o-

4o•c

CONNECTIONS:

AC

INPUT Detachable Power Cord comes

with

Nema

5-1

SP

Plug

DC

INPUT

Terminals

With

Tubular Hole Dia. 0.2"

(Smm)

with

Set Screw ;,

FUSE

RATING

5

mm

X

20

mm

Glass

Fuse,

250V

(Time DelayI Slow Blow)

120

VAC

Input

6.3A

230

VAC

Input

'4.0A

DIMENSIONS

( W X D X H

),

INCHES

7.0

)(

8.25 x

2.2

WEIGHT 3.5

Lbs.

Net

EMC

CONFORMITY

FCC

Part 15(8),

Class

BDigital Device

NOTE:

SPECIFICATIONS

ARE

SUBJECT

TO

CHANGE

WITHOUT

NOTICE

Yaesu FP 1023 User manual

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