Bang Olufsen beovox penta schematic

Beolab

Type 6601, 6602, 6603, 6604, 6605

Penta

Beovox

Type 6611

Penta

BANG

& OLUFSEN

2-1

Bang&Oiufsen

INDHOLD

Diagrammer

Halvlederoversigt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Elektrisk stykliste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mekanisk stykliste Justeringer Tekniske speci:fikationer Ad'skillelse

Servicetips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

olationstest

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

....

·. . . . . . . . . . . . . . 2-17

......

2-1 2-5 2-8 2-11 2-15 2-15

2-21

DIAGRAMFORKLARING

Pa diagrammet storer og entydigt for komponenters placering i kredslabet ieks. TR20/BC 557B

Hvis positionsnummeret

skal

reservedelsnummeret benyttes, da denne

komponent er specielt

der angivet typenumre pa transi-

ICer i de tilfrelde hvor typenummeret

efterfulgt af en stjerne

udvalgt-

ieks. TR102*.

CONTENTS

Circuit diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Semi-conductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

List of electrical parts . List of mechanical parts . .

Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical specifications . . . . . . . . . . . . . . . . . . . . . . . .

Dismantling . Service tips . Insulation

.. . ..

.. .. ..

test

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

EXPLANATION OF

Type numbers of transistors and IC's have been indicated on the diagram in those cases where the type number is unambiguous for the position component in a

If the position nuniber is followed by an asterisk the spare part number

component has been expecially selected -

TR102*.

circuitry-

.. .. ..

...................... 2-11

.. ..

. . . . . . .

. . . . . . . . .

DIAGRAM

e.g. TR20/BC 557B.

must

.. . ..

. .

.. . ..

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

.. . .. . ..

. .

used because this

e.g.

.. . 2-8

of the

2-1 2-5

2-15 2-15 2-17

. 2-17

2-21

Koordinatsystem

De starste printplader system. Komponenterne pa disse printplader diagrammet forsynet med en koordinatbetegnelse, som fortreller i hvilket felt

placeret (mindre skrifttype end positionsnummeret -

B3).

feks.

forsynet med et koordinat-

printpladen de

Ledningsforbindelser

»bundter«. De enkelte ledninger

koder, der fortreller hvortil de gar.

INTERN

Interne forbindelser pa en diagramside angives med

tal.

den anden ende af Iedningen

FORBINDELSE

EN DIAGRAMSIDE

Knrekket

diagrammet

ledningen viser i hvilken retning

:findes.

samlet i

forsynet med

System The

ordinate system.

are provided with a grid reference on the diagram

indicating board (smaller typing than position numbers -

of Co-ordinates

largest PC-boards have been provided with a

The

components on these PC-boards

what grid they are positioned on the

e.g.

PC-

B3).

Wning Connections

The

wiring connections on the diagram are

The

assembled in »bundles«. coded to indicate to where they are leading.

Internal connections on a diagram page are indicated by a number. in which direction the other end of the wire may be found

individual wires are

INTERNAL CONNECTION

ONE

DIAGRAM

The

bend of

the

wire indicates

PAGE

co-

Bang&Oiufsen

2-2

Forsyningsspaendinger

En pil

sprendingen viser, hvor forsyningssprendin-

gerne gar ind i

Eksempel: (7

sprendingen angiver det antal stedet, sprendingen

ind pa denne diagramside.

CON.)

f.eks. ved siden

forsynings-

Symbol for sikkerhedskomponenter

Ved udskiftning

der

skal delsnummer. Den nye komponent skal monteres samme

M.ALEBETINGELSER Alle DC sprendinger med voltmeter med en indgangsmodstand 10 Mohm.

anvends komponenter med

made som den udskiftede.

komponenter med dette symbol

samme

malt i forhold

til

stel,

reserve-

gar

Supply Voltage

An arrow and the voltage show where the supply

voltages are fed to a

Example:

indicates

voltages in this diagram.

CON.)

the

number of places where to find

PCB.

next to

the

supply voltage

the

Symbol for Safety Components

When replacing

nents with identical

The

new component must

the

one replaced.

MEASURING

All DC voltages have been measured in relation to

ground with voltmeter with 10 Mohms.

~omponents

part

with this symbol compo-

numbers

fitted in

CONDITIONS

input resistance of

are

to be used. the

same

way

Sprendingerne

matt uden signaltilf0ring.

The

voltages have been measured without any supply

of signal.

2-3

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+ 11 hidden pages