Bogen TPU-15A Manual de usuario

BOGEN

COMMUNICATIONS,

INC.

TELEPHONE

PAGING

AMPLIFIER

TPU-15A

CAUTION

Connect

only

POX

system

incot

punning

isulutiun

from

telecom

network.

ATTENTION

Raccorder

settlement

systeme

PBX

indeperuiam

reseau

telecommunication.

DESCRIPTION

Bogen

Model

TPU-15A

unique

fifteen-watt,

wall-mounted

amplifier,

specifically

designed

for

telephone

paging

applications.

This

compact

unit

incorporates

state-of-the-art

electronic

technology,

including

voice-activated

muting

music

when

paging.

The

page

channel

features

automatic

output

leveling

(ALC)

channel

input

varies,

which

particularly

advantageous

where

persons

varying

voice

levels

and

paging

techniques

have

access

the

system.

night

ringer

(tone

generator)

provided;

steady

ringing

tone,

indicating

incoming

calls,

can

transmitted

through

the

public

address

system

during

other

than

regular

business

hours.

This

alerts

security

per¬

sonnel

answer

the

call.

Input

terminals

are

furnished

for

600-ohm

balanced

telephone

line,

background

music

source

and

normally-open

dry

contacts

for

the

night

ringer.

Output

terminals

offer

choice

volts,

ohms

for

connection

various

types

loudspeakers.

Model

TPU-15A

features

screwdriver-adjustable

controls

for

page,

music,

and

night

ringer

level,

plus

amplifier

tone.

Protective

devices

include

LED

overload

indicator

and

low-cut

switch

for

use

with

horn

loudspeakers.

The

unit

professional

styling

and

finished

black

with

white

lettering.

operates

from

120VAC,

60Hz

source.

INSTALLATION

CAUTION

The

fallowing

installation

instructions

are

far

use

qualified

service

personnel

only.

avoid

electric

shock

hazard,

not

perform

any

functions

requiring

the

removal

the

cover

the

amplifier

unless

you

are

qualified

so.

prevent

fire

shock

hazard,

not

expose

this

unit

rain

excessive

moisture.

UNPACKING

Your

unit

was

carefully

checked

before

leaving

the

factory;

inspect

the

shipping

container

and

unit

closely

for

improper

handling.

the

unit

has

been

damaged,

make

immediate

claim

the

distributor

from

whom

was

purchased.

the

unit

was

shipped

directly

you,

save

all

shipping

ma'terial,

notify

the

carrier

immediately

and

place

your

claim.

POWER

AND

GROUNDING

The

line

cord

has

three-prong

plug

which

should

plugged

into

three-wire,

grounded

120V,

60Hz

outlet.

important

ground

the

unit.

three-wire

outlet

not

available,

use

adap¬

tor

and

connect

the

grounding

pigtail

the

screw

securing

the

wall

plate.

the

wall

plate

screw

not

grounded,

connect

wire

from

the

ground

terminal

the

amplifier

suitable

earth

ground.

MOUNTING

Model

TPU-15A

designed

for

surface

wall

mounting.

When

mounting

the

unit,

consider

the

proximity

heat

sources

and

power

supply,

adequate

air

flow

for

chassis

heat

dissipation,

and

access

controls

and

terminal

wiring,

Where

possible,

secure

wall

studs

suitable

back

brace.

Use

self-fastening

molly-type

hardware

plasterboard

and

other

thin

materials.

INPUT

CONNECTIONS

PAGING

balanced

transformer-isolated

input

for

telephone

line

pro¬

vided.

One

600-ohm

telephone

line

may

connected

the

terminals

marked

TIP

and

RING

tuo-conductor

shielded

wire

used,

con¬

nect

the

shield

the

GND

terminal.

MUSIC

unbalanced

high-impedance

auxiliary

input

provided.

Make

connections

terminals

marked

MUSIC

and

GND.

NIGHT

RINGER

ringing

tone

can

transmitted

through

the

public

address

system

connecting

the

NIGHT

RINGER

and

GND

terminals

the

TPU

15A

amplifier

through

pair

normally

open

dry

contacts

(which

are

customer-supplied).

steady

ringing

tone

will

heard

long

the

dry

contacts

are

closed.

Printed

Korea

8801

54-5876-02

Pated

Power

Output:

Distortion*

Frequency

Response:

Sensitivity*

Inputs:

Outputs:

Signal

Noise

(“A”

weighted):

Controls

and

Indicators:

Tone

Control:

Low

Cut:

ALC

(Page

Channel):

Power

Consumption

(120VAC,

60Hz):

TECHNICAL

SPECIFICATIONS

watts

RMS

Loss

than

Music—lOWz

12kHz

±2dB

Paging

—shaped

for

maximum

intelligibility

Music

—70mV

Paging

-20dBm,

600

ohms

Music—

Hi-Z

AUX,

25k

ohms,

unbalanced

Paging

—600

ohms

balanced,

transformer-isolated

Night

Ringer—

steady

tone

while

dry

contacts*

are

closed

watts

ohms;

25V

and

70V

balanced,

transformer-coupled

-70dB

Screwdriver-adjustable—PAGE

VOLume,

MUSIC

VOLume,

NIGHT

RINGER

VOLume,

and

TONE;

LO-CUT

switch

(for

horn

protection);

PEAK

LEVEL-indicating

LED

(ON

when

peak

output

exceeds

rated

output),

CIRCUIT

BREAKER

-3dB

2.5kHz;

6dB

per

octave

-3dB

350Hz;

6dB

per

octave

+1,

—3dB

output

level

change

with

15dB

input

level

change

(ref.

—20dBm

rated

input

sensitivity)

.4A,

48W

•Customer-supplied

All

specifications

subject

change

without

notice.

OUTPUT

CONNECTIONS

SPEAKERS

The

unit

provides

8-ohm,

25V

and

70V

transformer-coupled

out¬

puts,

balanced

unbalanced.

Connect

the

system

speaker

the

out¬

put

terminals,

with

one

lead

the

COM

terminal

and

the

other

the

iciinitial

which

corresponds

the

impedance

tne

speaker

system.

OPERATION

POWER

Once

connection

has

been

made

120VAC,

60Hz

power

source,

the

TPU-13A

will

remain

power

standpy

condition.

(See

CIRCUIT

BREAKER

information,

also.)

CONTROLS

PAGING

The

PAGE

VOLume

screwdriver-adjustable

control

used

adjust

the

volume

the

page

input.

Rotate

the

control

clockwise

increase

volume

and

counterclockwise

decrease

it.

Set

the

control

minimum

the

input

not

used.

MUSIC

The

MUSIC

VOLume

screwdriver-adjustable

control

used

ad¬

just

the

volume

the

background

music

input.

Rotate

the

cunliul

clockwise

increase

volume

and

counterclockwise

decrease

it.

the

input

not

used,

set

the

control

minimum.

NIGHT

RINGER

CONTROL

The

NIGHT

RINGER

VOLume

screwdriver-adjustable

through

the

top

the

unit.

Rotate.

th<»

rnntml

I'lnrliuicp

increase

volume

and

counterclockwise

decrease

it.

TONE

CONTROL

The

TONE

screwdriver-adjustable

control

used

adjust

the

tonal

value

the

amplifier

output.

Rotate

the

control

fully

clockwise

provide

nominal,

flat

high-frequency

response

and

counterclock¬

wise

decrease

it.

Figure

1—Schematic

Diagram,

Model

TPU-15A

LO-CUT

SWITCH

The

LO-CUT

filter

used

decrease

low-frequency

response

when

hom-type

paging

speakers

are

used.

Move

the

switch

the

nght

(toward

the

marking)

enable

this

feature.

PEAK

LEVEL

INDICATOR

front-panel

LED

will

illuminate

when

the

amplifier

driven

into

clipping.

Adjust

the

output

level

the

PAGE,

MUSIC,

and/or

NIGHT

RINGER

the

LED

remains

ON.

CIRCUIT

BREAKER

the

circuit

breaker

opens,

the

amplifier

output

will

cease.

Discon¬

nect

the

plug

from

the

outlet

and

momentarily

depress

the

red

circuit

breaker

reset

button.

Reapply

power;

the

breaker

trips

again,

lot

attempt

reset

it.

Have

the

unit

checked

qualified

technician.

MAINTENANCE

CAUTION

There

are

user-replaceable

parts

within

the

unit.

avoid

electric

shock

hazard,

have

all

internal

ser¬

vicing

done

qualified

technician.

The

warranty

will

become

void

repairs

are

made

other

than

the

Bogen

Service

Department

authorized

service

agency.

BOGEN

SERVICE

are

interested

the

maintenance

your

Bogen

equipment.

the

event

any

difficulty,

not

hesitate

ask

our

advice

assistance.

Information

may

obtained

writing

Service

Depart¬

ment,

Bogen

Communications,

Inc.,

P.O.

Box

575,

Ramsey,

07446.

When

communicating

with

us,

give

the

model

and

series

designa¬

tion

your

unit,

describe

the

difficulty

and

include

details

the

electrical

connections

associated

equipment.

will

send

you

information

the

remedy

appears

simple.

service

required,

will

send

you

the

name

and

address

the

nearest

authorized

Bogen

Service

Agency.

When

shipping

your

unit,

pack

well,

using

the

original

shipping

carton

similar

container

and

filler

material

prevent

damage

transit.

Send

the

unit,

fully

insured

and

prepaid,

via

UPS

any

responsible

carrier.

will

promptly

repaired

and

returned

you

collect

Cor

prepaid

while

warranty).

REPLACING

COMPONENTS

CAUTION

Improper

soldering

may

damage

components

the

printed

circuit

hnnrd

Such

dnmnge

c/m

void

the

warranty.

Many

semiconductor

components

are

soldered

place

ensure

maximum

reliability.

When

soldering

transistors

diodes,

use

heat

sink

(such

small

alligator

clip)

between

the

component

and

the

source

heat.

Unless

you

are

experienced

the

removal

com¬

ponents,

not

attempt

remove

them,

since

excessive

heat

can

damage

and/or

the

printed

circuit

board.

you

are

certain

that

defective,

the

easiest

method

removal

cut

the

leads

off

the

component

and

desolder

the

leads

individually.

you

are

not

certain

defective,

the

use

low-wattage,

vacuum-

type

desoldering

tool

(such

Ungar

Type

7800)

advised.

REPLACEMENT

PARTS

Most

components

are

standard

parts

available

through

reputable

parts

suppliers.

The

parts

listed

herein

may

obtained

from

the

fac¬

tory.

When

ordering

part,

specify

the

part

number

listed,

the

model

number

the

unit,

and

give

the

series

designation,

which

letter

followed

numbers,

printed

the

chassis.

For

parts

the

circuit

boards,

also

give

the

component

board

assembly

number,

which

begins

with

“45.”

Schem.

Ref.

fort

No.

Description

Component

Boards

45-7288-05

Component

Board

Assembly

(Main

Board)

C2,4,9,11,

17,23

79-126-055

Cap.,

Elect.,

4.7/tF,

50V

CIO

79-126-057

Cap.,

Elect.,

47,tF,

50V

C14

79-126-053

Cap.,

Elect.,

100/tF,

35V

C18

79-119-015

Cap..

Elect..

3300

mF.

63V

C19

79-126-044

Cap.,

Elect.,

IOOO/aF,

35V

CR1

96-5691-01

Diode,

Zener,

4.7V,

IN5230A

CR2,4,5

96-5430-01

Diode,

IN4148

CR3

96-5344-08

Diode.

Zener.

30V

CR6-9

96-5333-01

Diode,

400prv

CR10.11

96-5684-02

Diode,

Zener,

2.2V,

IN4680A

CR12

96-5692-01

Suppressor,

Transient,

SCM16C

IC1

96-5690-01

IC,

LM833N

IC2

96-5649-01

IC,

LM1875T

LED1

96-5576-01

LED,

Red

Ql-3

96-5641-01

Transistor,

MPS4123

R1.13

77-001-843

Control.

500

kilohrm.

Audio

77-001-817

Control,

kilohms,

Audio

77-007-002

Trimpot,

4700

ohms

R21

76-146-109

Resistor,

ohm,

1/4

watt,

SWI

81-003-067

Switch,

Slide

83-060-000

Transformer,

Input

—

45-7351-05

Component

Board

Assembly

(Night

Ringer)

79-126-069

Cap.,

Elect.,

IpF,

50V

IC1

96-5667-01

IC,

f*A78L10

IC2

96-5729-01

IC,

KA2418

77-015-001

Trimpot,

100

ohme

Chassis

CB101

94-0025-03

Circuit

Breaker,

0.63A

T101

83-837-000

Transformer,

Power

T102

83-496-000

Transformer,

Output

BOGEN

SPRING

STREET.

Bo*

575

RAMSEY.

07446

(201)

934-8500

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