Luxman CL-35-Mk3 Service Manual

ULTIMATE

HIGH

FIDELITY

STEREO

COMPONENT

[l[]]OOOO[)G[jO

SERVICE

CL35 /m

CONTROL CENTER

MANUAL

CIRCUIT

'.

DESCRIPTION

non ieverted in put

1/2

12AX7 ECC83

1/2

12AX7 ECC83

12AU7 ECC82

200V

2«JV

which

A-2

NFis14dB.

side.

special

has

+39dB

Local

2",H

fig. -1

Equalizer Amplitier

The

circuit explanation

Fig.

2 shows

and

At

A-I feedback Therefore A-I

At

is

therefore

the

output

by 2.2M

load

is

shown

its

the

in

is

made

concept,

the

gain

impedance

ohms

gain

is

120K ohms and

inverted

input

the

Fig.

hereunder.

wherein

is

is can +25dB

1.

This

amp

A-3 means

+39dB

be

gain

thru

110K ohms by means

stipulated

thru

is

A-2 and A-3.

as

and

A-2

+32dB, and

t------;jw~~::l

has

not

cathode-follower

th~

A-3, and

Fig.

standard

of

electric

formula

input

therefore

3 shows

l.OK

method

with

feedback

total

Beta=1/19.8

impedance

the

R.I.A.A.

Signal

out

put

of

Feedback,

its

gain

from

and amount

becoms

gaLnis57dB.

complex.

about

at

OdB.

cathode

ohms.

The.

While

of

the

210K

flg.-2

fig.-3

total

NF

shall cut-off of

triode

frequency

distortion

~

,.

..

\~PF

II II

l;~F

2201<

."

330lPF

rr

220PF

II

..

position

~

phono

MlC

small point balance.

This

amp.

well.

signals. lies

it

below

at

plays

is

the

not

be

of

possible

the

sensing

The

present

total

the

role

levied

50Hz.

to

distortion

of

below In

suppress

level

operation

mic.

the

amp.

the

case

under

the

as

non

input

inveried

in~ut·

fig.-4

Fig. The

feedback circuit. while

inverted

0-----11-

o--~r-1IH

4 shows

At

at

the

1/2

12AX7

ECC83

.--------_------Cl

the

circuit, circuit the

()

G)

position

is position

where

shown

cut-off

1/2

12AX7

ECC83

in

roll-off

1/400V

the

2nd

Fig.

commences

5. takes

stage

~ow

+21OV

output

is Frequency place

at

constituted

at

100Hz

Trimmer

100Hz

and

by

and

roll-off

82K

fig.-5

dual

operation

cut-off

starts

amps

18K

takes

of

is

at

10K

local

donebythe

220Hz.

place

feedback.

feedback

at

250Hz,

Signol

input

1/2

12AX7

25lJ<.

B

10001<

fig.-6

fig.-]

~271'

ECC83

Signnl ovtp'ut

140V

Signal

1/400V

'"

§

l.

05mA

output

~

245V

Low

Cut

As

per composed by This set

volume,

the

5th

(-6dB)

Tone MadeofLUX's

All This with operation depends of

Filter

Fig.

filter

decrement

.

Control

circuits

is LUX

grid

7.

this 2-stage frequency and

the

standard

amps.

of

on

current.

is coupling

standard

from

exclusive

are

shown tone

Incidentally

tubes

distortion

-12dB/oct.

depends

the

max.

at

of

point

control

this

and

CR.

on

the

position

NF

in

filter

lies

Fig.

level

type.

stage

level

6.

at

"

2

?45V

"

fig.-S

Signa~

o----c)-.M)-----f--------1I------<O

input

5.6K

4.7K 4700P

Signal

'Jutp.Jl

92rnH

S~~~pa~t

~':!!2'!!_~~2.:.

Composed by The

bias

of

zener

level

~~~~-g,!!_~~~!~::

Shown by means decided

(main

by

of

input

cathode-follower fixed

is

reduced

is high

cut

Fig.

9,

LC.

The

inview

impedance

of

at

filter.

and

filter load

this

down

attenuates

and

as

stage.

to

the

frequency

lOOK

shield

per

Fig.

Noise

aliowable

-12dB/oct. is

ohms

wire).

8.

+ 200pF

by

270P

1.2K

470K

fig.-9

~~g~:l

0--II-.Mf'-~-+___I(

p

2.2/22K

t---t--N'I--+-:-::C::c-1--lII---r--G

6.52V

Signol

output

Ql

Q3;2SC1222

Q2

;2SAMO Q4 ; 25C375 Q5 ;2SA562

Fig.

10

shows whole

which

is

made

direct

coupled complementary Q2

retains load yields 100rnW

triggered

the

into

by

pure

SEPP

the

fixed

byQ3and output 8 ohms.

circuit,

whole

stage

configuration.

current

of

about

fig.-lD

3

input

" 1

6.52V

rms

fig.-ll

r---~--O+6.

lN4002

IN4002

0

~

52V

The

circuit

Q212 given supply

(CR

Q211 terminal

Q2l2 to

is

put

on

is

=400uF.Kohms).

is

activated

is

turned

let

the

Thenafter

PB-667

is

shown by

into

the

base

100%

0.4V

to

be

open off

relay.contact

the

base

operation

through

equals

when

Q213

from

the

current

Fig.

short-circuiting.

instant

make

11.

the

instant

R231

and

6%.

To

is

turned

the

and

of

Q2l3issupplied

Power

supply

the

power

on,

To 6%,

and

C215. charge

power

is

switched

short-circuited.

section

is

activate

T/CR

relay

by

switched

is

functions

off,

D204.

is

it

some 0.4V

needed

and

commontoheadphone

on.

As

by

6%

to

break

then

to

is

needed.

which

Q2l3

Q213

bias

corresponds

allowing

and

Q2l1

amp

When

the

are

is

and

the

Pre

pilot

gradually

power

to

24

sec.

Out

turned

lamp.

off

"

4

~g~§~--~~~~~~---~§~~~~~~~~!_~~~!~-~!~!

PB-667 Description

Printed

1.

2. Diode

3.

4.

5. Varister

6.

Transistor

7.

8.

9.

10.

11.

Electrolytic

12.

13.

14.

IS.

Tantalum

16.

Polyester

17.

Ceramic

18.

Resistor

19.

20 21 22

en

23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Relay

39

Circuit

"

" "

Board

"

I!

I! I! I!

Film

I! I!

I

I! I!

"

" "

I!

"

TYPE PB-667

SD-lB 4 lN4002 M4E lK188 VD-1221 2SA562Y 2SA640 2SC735Y 2SC1222E 25V 10V

6.3V 470uF 10V lOY SOV SOV

10K

2.2K lK 270K

1M;2 68K 47K 27K 22K 15K 12K 10K

3.3K

2.7K

1.

2K 680 470 100

47

8.2

1 6V2circuit

4.7uF 47

330uF M

2.2uF

0.047uF 47pF

~S%

11

"

" "

I!

"

" " " " "

"

I!

"

" " "

" "

uF

(NON

lW

I! I!

1/2W 1/4W

I!

" "

I!

"

'1

"

I!

"

" "

transfer(AE1322}

POLAR)

PB-668/'669

----------

Resistor

QUANTITY

1

3 2

1

2

3

2

2 6 1 4 2 1 2 3 2

2 1 1 1 1 2 2 2 2 2 2 3 1 2 2 2 2 1 4

2

5

1

1 2 3 4

5 6 7 8

9

10 11 12 13 14 15 16 17 18 19 20 21 22

.

23 24

25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Metalised

Polyester

Styrol

43 44

Ceramic 45 46 47

Zener Diode

48

Electrolytic

49

Coil SO 51

Printed

52

" " "

I!

"

I!

" "

I!

" "

II

"

" " "

"

" "

"

I!

"

I!

"

I! I! I!

"

I!

I! I!

I!

"

Circuit

Film

Board

,Ai

11NPUT IMPEDANCE

SELECTOR

PHONO·2

r------------------r-,

I I I

I

INPUT SELECTOR

A

B

A

...,-----.....:;,

BASS FREQUENCY

PHONO·1

MIC.

-J

MIC.

J.ACK

AUX·3

AUX·2

AUX·'

rr:::::

~~~

,

I ,

I

~~

'I

.Thisdiagramisfor

• Power source section

the

LEFT

omitted.

CHANNEL.

R.CH.

OUTPUT

LEVEL

L.CH.

~N'CONNECTOR

R.CH•

SET

~

CATHODE FOLLOWER

SPECIFICATIONS

Tubes: Frequency T.H.O.: Output Output I

nput (output;1V, output

Input Impedance:

SIN Ratio:

Equalizer: Tone Control:

Filter:

Low Frequency

Attenuator: Accessories:

Dimensions:

Weight:

Response:

Voltage:

Impedance:

Sensitivity:

level max.)

Trimmer:

Bass:

Treble:

12AX7 (6), 15Hz-40,OOOHz no more than 0.06% (rated

Max. 15V (distortion 0.3%) 550-ohms phono-1

phono-2 aux-l 140mV (variable) aux-2 140mV aux-3 140mV (variable) microphone

phono~

phone-2 50K ohms aux-l lOOK ohms aux-2 150K ohms aux-3 lOOK ohms microphone 50K ohms

better than 64dB (phono-l & 2) better than 77dB (aux-l & 2 & 3) better than 60dB (microphone)

R.I.A.A. (strandard deviation ± 0.3%)

LU

X type NF system

150Hz, 300Hz, 600Hz

1.5KHz, 3KHz, Low cut 25Hz, 60Hz

High cut 7KHz, 12KHz

100Hz - 800Hz

-20dB

Tape

Impedance Selector, Socket

transformer, Headphone

476

(7-3/5")Hmm

Net 12Kgs (26.40

Gross

1 lOOK ohms, 50K ohms, 30K ohms

Monitor

(19-1/25")W

14Kgs (30.8

12AU7

l.4m l.4mV

0.7mV

(1)

V

6KHz

(±

Circuit, Phono Input

x

Ibs)

(-ldB)

with

defeat position

0.8dB, 250Hz)

Ci

275(11")0

Ibs)

output:

for

rcu

it

step-up

x 190

2V)

Specifications and appearance design subjecttopossible

without

notice.

8

change

LUX CORPORATION, JAPAN

HEAD OFFICE81FACTORY

1-8-31 NAGAHASHI, NISHINARI-KU OSAKA

PHONE:632 0031 CABlE:lUXELECT OSAKA

TElEX:J63694

LUX

200

PHONE:

AUDIO

Aerial

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822-7070

OF AMERICA

Syosset.

New

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Luxman CL-35-Mk3 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual