Pioneer BP-780 Bedienungsanleitung

Service

anual

GRAPHIC

EQUALIZER/AMPLIFIER

p-7

SPECIFICATIONS

Power

source

..........

14.4V

(10.8—15.6V

allowable)

Grounding

system

..........

006

eee

ees

Negative

type

Max.

current

consumption

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

eee

ees

Dimensions

.............+55:

150(W)

50(H)

150(D)mm

[5-3/8(W)

2(H)

5-3/8

(D)in.]

Weidhtcic¢sensetecie

erat

ete

ceded

1.3kg

(2.9lbs.)

Continuous

power

output

12W

per

channel

min.

into

ohms,

both

channels

driven

20,000Hz

with

than

THD.

Maximum

power

output

..........

0-0.

eee

20W

Load

impedance

.............---+-

(4—80

allowable)

Frequency

response

...............-.

20—50,000Hz

3dB)

Signal-to-noise

ratio

.........

90dB

(IHF-A

network,

1W)

DistOnion:.

osc:

eccecy

tan

wet

ees

0.5%

(at

1.5W,

1kHz)

WY)

PIONEER

W19

ORDER

NO.

CRT

-481-0

US,

CA,

ES,

Input

leVel!

ssc.

oereee

eee

wae

COMPO:

7OnV/20k0

LINE

IN:

200m

V/15k.

BOOSTER:

3V/1200

Equalization

frequency

.......

6OHz,

125Hz,

250H:,

500Hz,

1kHz,

3.5kHz,

10kHz

Gall.

6.5.4

eee

con

ees

eae

een

OdB

Equalization

range

..........

0.6

eee

7%,

212dB

These

specifications

were

determined

and

are

presented

accordance

with

specification

standards

established

the

Hoc

Committee

Car

Stereo

Manufacturers.

Note:

Specifications

and

the

design

are

subject

possible

modifi-

cation

without

notice

due

improvements.

eee

PIONEER

ELECTRONIC

CORPORATION

4-1,

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

[USA]

INC.

P.O.

Box

1760,

Long

Beach,

California

90801

U.S.A.

TEL:

(BOO)

421-1404,

(BOO)

237-0424

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Keetbergiaan

1,2740

Beveren,

Belgium

TEL:

03/775:28:08

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

(O03)

580-9911

DEC.

1984

Printe#

Japan

CONTENTS

NAME

PARTS

and

THE

FUNCTION

SCHEMATIC

CIRCUIT

DIAGRAM

(BP-700/US,

CA;

ES)

oie

aiciiteitietecs:

1.PARTS

LOCATION

NOTE:

Heat

Sink

CNR-256

Power

P.C.

Board

Button

(DEFEAT)

CAE-064

PARTS

LOCATION

.................cceceeee

enone

CONNECTION

po.

chowciiety

ness

eycan

conceaes

CIRCUIT

DESCRIPTION

.........

eee.

DISASSEMBLY

csrincocdstespreteehoctae

cds:

phate

ices

CONNECTION

DIAGRAM

(BP-780/US,

CA,

ES)

......

peleeuenetarse

SCHEMATIC

CIRCUIT

DIAGRAM

(BP-780/EW)

......

Saati

CONNECTION

DIAGRAM

(BP-780/EW)

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

BAe

ned

hee

10.

EXPLODED

VIEW.

side

cdectssacaecauigtusedndeauciatuncehedeys

ooeas

11,

ELECTRICAL

PARTS

LIST...

cseeeeere

eee

12.

PACKING

MEHOD

ioe

essen

eed

seseodececiesareasnaes

iieghobeusaes

For

your

Parts

Stock

Control,

the

fast

moving

items

are

indicated

with

the

marks

ands.

GENERALLY

MOVES

FASTER

THAN

This

classification

shall

adjusted

each

distributor

because

depends

model

number,

temperature,

humidity,

etc.

aM...

Cord

(BP-780/US,

CA,

ES)

CDK-247

Heat

Sink

CNR-257

Grille

Assy

CXD-702

QUESTIONNAIRE

MODEL

One

Model

per

questionnaire

Dear

Servicer,

Thank

you

for

your

cooperation

the

post-sale

service

Pioneer

products.

This

questionnaire

used

tool

improve

the

serviceability

our

products

and

service

manuals.

Please

evaluate

this

model

and

service

manual

answering

the

following

questions.

Your

ideas

may

realized

our

future

products.

Your

answers

will

appreciated.

Thank

you.

PIONEER

ELECTRONIC

CORP.

Nakagawa,

Manager,

Service

Section,

International

Division

SERVICING

EVALUATION

Circle

applicable

number:

Disassembly

/Re-assembly:

Circuit

Checks:

Replacement

Parts:

Adjustment

(s):

£4*4

¥*§

(4)

(5)

was

circled,

please

specific.

Your

advice,

opinion

ideas

servicing

this

product.

SERVICE

MANUAL

EVALUATION

Circuit

Mechanism

Description

Circuit

Diagram

OTHER

Please

describe

other

areas

servicing

which

you

may

find

difficult.

Completed

Company

Name

Address

City/State/Zip

Please

send

this

form

filled

the

distributor

your

country.

YOU

COUNETY

BP-7s0

NAME

PARTS

and

THEIR

FUNCTION

Equalizer

Switch

(DEFEAT)

Press

activate

the

equalizer

control

function

and

iluminate

the

indicator

the

equalizer

control

lever.

Lch

Level

Indicator

Rch

Level

Indicator

Green,

orange

and

red

indicators

illuminate

corresponding

the

left/right

output

levels.

Fig.

Equalizer

Control

Slides

and

down

allow

adjustment

suit

both

the

music

and

individual

tastes.

Pressing

the

equalizer

switch

causes

each

indicator

illuminate.

Fader

Control

Raising

the

lever

gradually

decreases

the

volume

the

rear

speakers,

while

lowering

gradually

decreases

the

volume

the

front

speakers.

Adjust

the

volume

the

front

and

rear

speakers.

3.CONNECTION

Connect

the

components

correctly

shown

the

diagram.

ensure

that

all

components

used

combination

with

Test-connect

all

components

before

securing

them

into

this

unit

operate

properly,

sure

wire

the

main

power

place.

Test-operate

your

entire

car

stereo

system

supply

cable

(red)

correctly

the

respectively

determined

ensure

that

there

are

faulty

wiring

connections

be-

points.

Failure

errors

this

process

will

result

tween

this

unit

and

the

rest

your

car

stereo

system.

total

inoperation.

sure

connect

only

single

component

shown

sure

properly

connect

the

color

coded

leads.

Failure

the

connection

diagram.

two

components

are

can

cause

malfunctions.

connected,

internal

circuitry

may

damaged

acci-

dent

may

occur.

Input

Selector

When

using

this

unit

combination

with

car

stereo

sure

set

the

input

selector

before

wiring.

(Fig.

equipped

with

jacks,

see

the

section

entitled

‘‘When

combined

with

car

stereo

with

jacks”.

Speakers

connected

this

unit

must

high

power

type

with

over

20W

maximum

input

power

and

have

impe-

dance

between

and

ohms.

aware

the

fact

that

using

speaker

other

than

the

one

specified

can

cause

the

speaker

damaged.

special

BPTL

circuit

used

sure

that

you

not

connect

the

speaker

directly

ground

nor

join

the

left

and

right

speaker

(—)

leads.

For

detailed

information

concerning

connections

between

different

components

and

this

unit

consult

their

respective

COMPO:

When

connecting

the

unit

with

component

car

instruction

manuals

and

those

recommendations

stereo

precisely.

BOOSTER:

When

connecting

the

unit

with

reguiar

car

sure

not

remove

the

cap

the

red

lead

(female

eteren

plug)

this

unit

when

not

use

prevent

shorting.

JACK:

When

connecting

the

unit

with

car

stereo

with

Wire

all

connecting

cords

that

they

stay

well

clear

jacks

high-temperature

areas

such

the

heater

exhaust

port.

Fig.

ae.

When

Combined

with

Component

Car

Stereo

Front

Speaker

Grech

Left

sure

not

Och

remove

the

cap.

Green/black

ole

eee

Front

Speaker

Gra

Right

fens

Red

@ch

Green

—

Black

Gray/black

Rear

Speaker

—_

Och

pee

ire

Gray

aes

ellen

[on

—

Green/black

Rear

Speaker

®ch

Gray

not

connect

anything

this

terminal.

Gray/black

;

Fag.

Component

car

stereo

oad

Connect

the

plus

(+)

circuit

(clock

illmiry

ation,

cassette

deck

smail

lamp

circuits,

etc.)

the

car’s

lighting

wit

ch.

Red

—}y

Connect

this

lead

the

power

terminal

which

passed

through

the

ignition

switch.

(DC

12V}

Black

(ground)

Black

Connect

metal

body

chassis.

wie

Connect

metal

body

chassis.

When

Combined

with

Regular

Car

Stereo

Use

regular

power

car

stereo

with

Front

Speaker

maximum

output

6.5W+6.5W

@©ch

less.

Black

(ground)

Front

Speaker

®@ch

Connect

metal

body

chassis.

;

Regular

power

car

stereo

(Unequipped

with

jacks).

Rear

Speaker

To(@ch

Rear

Speaker

®ch

(Max.

12V

DC)

Remove

the

cap

and

connect.

Front

Fig.

Gray/black

Yellow

Connect

the

plus

(+)

circuit

(clock

illumination,

Cie

small

lamp

circuits,

etc.)

the

car’s

lighting

switch.

Red

Beas

Connect

this

lead

the

power

terminal

which

passed

through

the

ignition

switch.

(DC

12V)

Black

Connect

metal

body

chassis.

When

Combined

with

Car

Stereo

with

Jacks

Front

Speaker

Black

;

(ground)

Rear

Speaker

ight

®ch

Red

Connecting

cords

with

plugs

(sold

separately)

White

Red

Car

stereo

with

jacks.

Red

reacertiite

cyas0—

Remove

the

cap

and

connect.

(Max.

12V

DC)

Connect

metal

body

chassis.

Front

Speaker

®ch

not

connect

anything

this

SaaS

eae

Green

Left

Aba

wal

Fig.

Gray/black

Yellow

Connect

the

plus

(+)

circuit

(clock

illumination,

ceo

smail

lamp

circuits,

etc.)

the

car's

lighting

switch.

Red

Connect

this

lead

the

power

terminal

which

passed

through

the

ignition

switch.

(DC

12V)

Black

Connect

metal

body

chassis.

4.CIRCUIT

DESCRITION

Block

Diagram

SOE

3inw

dWV

Y3MOd

Yuva

zor

y3nNV3adS

yV3u

44O1

YyaNVads

LNOUS

Noo

w—}—

HOLIMS|

101

oO}

iv3330|

dWVY

Y3MOd

LNOYS

vOE'COE

ZOE

A882

HOLIMS

SO€JI

HOLIMS

tom

80iI0

SoEed

Sp.

JLNW

STE

rept

tee

ZHMOl

*HAGSE

ZHMI

ZHOOS

ZHOSZ

ZHGZI

ZHO9

Y3SZIIVNOS

€07'207

102‘

Eol'

ZoOl'IOl

Abovl

HOLIMS

‘Gaol

Y3SAING

031

YOLVYVdINOD

cOE

dWV

Hig.

NI4You

—

(S)

¥31S008

HOLIMS

3GOW

acs

Kuo

lepOW

SA/VYSN

OBL

-ds

Level

Diagram

——_—ww

KKK

;

Isolator

780

US/CA/ES

Model

only

AMP

{

cee

Equalizer

302

Booster

pe,

DIN

O60

(dBs)

Booster

33dBs

-9dBs

-10

-20

Pre

ant

—21dBs

AMP

Audio

Signal

path

(Lch)

780

1US/CAVES

Model

Only

Booster

DIN

102

(6)

———>

REAR

(2——>

explanation

Division

and

synthesis

signal

will

input

30l

Symbols

and

signal

will

output

from

QIO!

Q102

QIO3

Qi04

Qi0s

Qi0G

1C303

Power

Amp

101

FRONT

VRI08

Loh

102

Pe.

REAR

Lech

+iOdBs

Power

Amp

+44dB

Volume

loss

Fig.

5.DISASSEMBLY

Removal

Case

The

case

can

removed

removing

the

four

screws

labled

“A.”

Fig.

Removal

Chassis

The

Chassis

can

removed

removing

the

five

screws

labeled

“B”

and

the

two

rivets.

Fig.

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