TANDBERG 3002 Bedienungsanleitung

TANDBERG”

Control

Amplifier

3002

Circuit

Diagrams

and

Alignment

Instructions

TANDBERG*—

The

European

Alternative

Dismantling

@

Top

cover,

rear

(1).

@

Front

panel

(4).

Remove

rotary

knobs.

@

Bottom

cover

(5).

@

Top

cover,

front

(2).

@

Rear

panel

(3).

Figure

1

Dismantling

the

rear

and

top

covers

Figure

2

Dismantling

the

front

and

bottom

covers

ALL

BOARDS

ARE

SEEN

FROM

THE

SOLDER

SIDE.

TEST

POINTS

FOR

AC-VOLTAGES

IN

COLOUR.

Figure

3

Connector

board

AC

voltages

The

table

below

gives

AC

voltages

for

the

test

points

in

Figures

3

and

4.

Test

conditions

Signal:

1000

Hz.

Volume

controls:

Max.

position.

Tone

controls:

Mid.

position.

Balance

control:

Mid.

position.

Test

points

with

input

signal

voltages

3

4

2mvV

0.16

mV

16

mV

145

mV

1.0

V

Test

points

with

AC

voltages

are

also

given

in

the

diagrams

on

pages

4

and

5.

145

mV

(1)*

145

mV

(2)*

145

mV

(5)*

145

mV

(6)*

1.0

V

Test

points

with

signal

voltages

The

numbers

in

parantheses

indicate

the

corresponding

input

test

points.

Figure

4

Input

RIAA

board

13]

1

|

21

19

17

|

15

14

12

22

20

18

16

TOV

145

mV

N

|

<

—_

o

3

<

5

145

mV

6

145

mV

|

CONNECTOR

BOARD

At

|

OUTPUT

|

XQ

R-CH.

\

on

Coa”

ee

PHONO

MC

PLAY

L-CH

REC

G

ei

™.etay

R-CH

REC

PLAY

L-CH

REC

=

\

TAPE

1

se

R-CH

REC

9)

(a

Figure

5

Circuit

diagram,

input

amplifiers

Q201

Bcesips

282V

R293

(22k

|

R201

[220k]

R202

aan

Q

243

804478

omc

Q

209

ac

race

ir

iia

IN

a

st

3}

1%

MET.

FILM

11

/

145

mV

|

Bs

By

Sop

TAPE

2

Ca18

R328

JH

C327.

5

eli

8

TAPE

1

K

201

ROP-21124

2

lz

I3

al

le

sl

Is

él

__16

a

I7

a|

Is

=e

eo

La

iewwcctions

|

J210

'

R350

U

RII

2!

|

R3

38

pik}

te

p207

|

5407

Y

5

I

al

js

al

Ie

—

Fc.

1

\7

al

1.

Ly

a)

TEST

POINTS

WITH

AC

-

VOLTAGES

IN

COLOUR

HEADPHONE

VOLUME

115/230V-~

50/60Hz

MPSU

06

+32

VDC

CR610

2/

3|

sl

2x1N4004

Q617

BC

4858

FUSE

230¥

1T200mA

115V

T&00mA

POWER

TOTAL

300W

ee

|

Cc}

SWITCHED

coe

nnn

an

nnn

nn

nnn

nn

aan

sn

aan

nn

sr

nm

ann

aan

anna

sn

nn

nnn

sn

ann

nn

nr

rr

nn

rrr

nn

rn

nnn

a

sn

ss

ee

t13

tls

tis

il6

tla

R525

[22k]

Bz

|Low-

|

|NESS

Chal

=

G

@o

C409

:

‘ony

a

;

,

1

|

7°"

fa

eee

wa

es

aces

eae

ae

=

=e

PART

OF

|

fj

NYA2423

LED

BOARD

=)

BCS47A

nN

®i4v

TONE

A110

x

DEFEAT

{15

i}

|

5xSLP132B

hp

BALANCE

ob

&

i

10y

MAIN

25

VOLUME

As

Bs

1

0

V

CR4O}

VS

Bcatgn

1N

4148

CR403

IN4148

TAPE

1

C442

100n

C437

aa

C439

C440

a

én7

é

—

pb

ESE

vm

ge

em

EEF

J

oe

Ce

ge

e

=

a

ee

Teng

SlJlslin6e

l

72)

8°)

8)

INTERCONN.

|

BOARD

NO.2

|

Soe

Sen

SE

eer

|

A7

|

Leeda

|

INTERCONN.

BOARD

=

ra

oF

a

|

1/2]

3)

47

5S)

6]

7)

8

a

ee

Lapel

ee

|

oe

AiO.

|

PE

ey

Oe

RY

meena

eee

reece)

FN

ORS

|

k,n

ae

Re

ee

TE

eon,

eI

ae

eT

J

4xSLP132B8

|

13405

43408

12

at)

sf

ef of

el]

i

|

'

In;

J

UT

es

ace

ec

bape

ee

IS

Oe

ene

a

Te

et

Be

a

ee

Ute

eee

gm

re

eee

5

113

kena

rte

ee

:

its

sO

ar

it

a

406

Me

20

c408

a

ule

a

‘Ls

Zz

ie ee

aT

SI

|

oe

Sanne

hp

I

|

1

|

“|

|

5409

|

:

PROGRAM

SELECTOR

i

f

ji

|

ib

3

|

28

SUI

cai

&

pie

lay

2

1.0V

|

5407

In)

tl2

ae

CR402

tla

tis

CR&06

be

or

a

tia

tla

|

ae

Sea

ed

ge

ee

eS

rene

O

ON

AO

WE

Se

OPN

OS

RI

Ee

gE

EP

SUE

DPR

Oey

ee,

Sa

CP

Sa

Nc

oe

RO

Te

PY

aN

te

ee

er

Sem

ene

PIS

Re

TO en

SEE

RS

OC

Oe

Ee

eS

ae

eR

Da

Figure

6

Circuit

diagram,

headphones

amplifier,

tone

controls

and

power

supply

TEST

POINTS

WITH

AC

-

VOLTAGES

IN

COLOUR

Figure

7

Selector

board

AC

voltages

The

table

below

gives

AC

voltages

for

test

points

in

Figures

7

and

8.

7

Test

points

with

input

signal

voltages

1—2-—5-6

3

4

145

mV

2mV

0.16

mV

@

\

>)

8

5

re

145

mV

3

1.0

V

=

145

mV

s

1.0V

3

145

mV

12

V

unloaded

2

145

mV

2

12

V

unloaded

Jn

Test

conditions

Signal:

1000

Hz.

Volume

controls:

Max.

position.

Tone

controls:

Mid.

position.

Balance

control:

Mid.

position.

Test

points

with

AC

voltages

are

also

given

in

the

diagrams

on

pages

4

and

5.

Figure

8

Figure

9

AC

outlet

board

ALL

BOARDS

ARE

SEEN

FROM

THE

SOLDER

SIDE.

TEST

POINTS

FOR

AC-VOLTAGES

IN

COLOUR.

+

32.0

V

DC

—

32.0

V

DC

Figure

10

Power

supply

board

Adjusting

the

supply

power

(+

32

V)

@

Adjust

R611

for

+

32.0

V

at

7,

J503

(Figure

10).

@

Adjust

R612

for

—

32.0

V

at

4,

J503

(Figure

10).

Tandberg

Control

Amplifier

TCA

3002

Technical

data

Power

requirements:

Power

consumption:

30

W

max.

Preamp:

AC-outlets:

Unswitched

1

Headphones:

Switched

3

Headphones

(min.

load):

Dimensions:

Width

17

1/8”

(43.5

cm)

Tone-control

Response

Depth

13%"

(35.0

cm)

Bass:

Height

3%"

(

8.3

cm)

Treble:

Weight

12.5

Ibs

(5,7

kg)

Loudness:

Technical

Data

according

to

IHF-A-202,

1978

Filter

Sub

Sonic:

Frequency

response

Phono

MM:

20

—

20,000

Hz

+

0.2dB

Crosstalk

(100

Hz

—

10

kHz)

Phono

MC:

20—20,000Hz

+

0.2dB

Phono

MM:

Tape

1,

Tape

2:

20

—

20,000

Hz

+

0/—

0.1

dB

Phono

MC:

Tuner,

AUX:

20

—

20,000Hz.

+0/—0.1dB

Tape

1,

Tape

2:

Tuner,

AUX:

Maximum

Voltage

Output

Preamp

output:

Preamp

output:

Tape

1,

Tape

2:

Headphone

output:

Secondary

Disclosures

115/230

V

£10%,

50/60

Hz

Output

Impedance

5

Vat

THD

=

0.004%

10

Vat

clipping

level

Phono

MM:

7.5V

Phono

MC:

20

V

unloaded

Tape

1,

Tape

2:

Separation

(100

Hz

—

10

kHz)

560

ohms

+

10

uF

in

series

470

ohms

4

ohms

+

10

dB

at

50

Hz

+

10

dB

at

10,000

Hz

Max.

7

dB

at

50

Hz

Max.

3

dB

at

10,000

Hz

—

12dB/oct.,

—3dB

at

15

Hz

To

any

of

the

other

sources

>

70dB

To

any

of

the

other

sources

>

70dB

To

any

of

the

other

sources

—

70

dB

To

any

of

the

other

sources

>

70dB

>

53

dB

>

53

dB

>

58

dB

>

58

dB

Immeasurable

5

—

130,000

Hz,

+

0/—

1.5

dB

5

—

130,000

Hz,

+

0/—

1.5

dB

+

9,5°/—2.5°

+

9,5°/—2.5°

@

Specifications

are

subject

to

change

for

further

—

Black

acrylic

side

walls

for

freestanding

units.

Tuner,

AUX:

Total

Harmonic

Distortion

(20

Hz

—

20,000

Hz)

Phono

MM:

<

0.004%

Transient

intermodulation

Phono

MC:

<

0.004%

All

inputs:

Tape

1,

Tape

2:

<

0.004%

Tuner,

AUX:

<

0.004%

:

Other

Technical

Data

Input

Sensitivity

—

Ref.

0.5

V

output

voltage

Phono

MM:

1mvV

Frequency

Response

Phono

MC:

80

uV

Tape

1,

Tape

2:

Tape

1,

Tape

2:

70

mV

—

Tuner,

AUX:

Tuner,

AUX:

70

mV

Phase

shift

(20

Hz

—

20,000

Hz)

A-weighted

Signal-to-Noise

Ratio

Tape

1,

Tape

2:

Phono

MM:

80

dB

Tuner,

AUX:

Phono

MC:

74

dB

Tape

1,

Tape

2:

95

dB

Tuner,

AUX:

95

dB

Maximum

Input

Voltage

(1

kHz)

:

Phono

MM:

290

mV

improvement

without

notice.

Phono

MC:

22

mV

Tape

1,

Tape

2:

11

V

Tuner,

AUX:

11

#V

Input

Impedance

Optional

Extras

Phono

MM:

33

/

47

/

100

kohms

Phono

MC:

1

kohm

Tape

1,

Tape

2:

47

kohms

Tuner,

AUX:

47

kohms

—

Attachment

sets

for

installation

in

19

inch

racks.

TANDBERG’

The

European

Alternative

Tandberg

A/S,

Post

Office

Box

53,

2007

Kjeller,

Norway

1737-8-80

Part

No.

714138

Printed

in

Norway

by

Reclamo

A/S

©

Tandberg

A/S

1980

TANDBERG 3002 Bedienungsanleitung

Beliebte Verstärker Handbücher anderer Marken