Luxman CL 35 mk III Manuel utilisateur

ULTIMATE

HIGH

FIDELITY

STEREO

COMPONENT

[l[]]OOOO[)G[jO

CL35/m

CONTROL CENTER

SERVICE

MANUAL

CIRCUIT

DESCRIPTION

1/2

12AX7

ECC83

1/2

12AX7

ECC83

1/2

12AU7

ECC82

200V

2«JV

l.OK

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

Signal

out

put

2",H

non ieverted

in put

fig. -1

Equalizer Amplitier

inverted

input

The

circuit

shown

the

Fig.

This

amp

has

not

standard

method

Feedback,

about

which

special

explanation

made

hereunder.

Fig.

2shows

its

concept,

wherein

A-3 means

cathode-follower

with

its

gain

OdB.

While

A-2

has

+39dB

and

therefore

the

gain

+39dB

thru

A-2 and A-3.

A-I

the

output

impedance

110K ohms by means

electric

feedback

from

the

cathode

side.

Local

feedback

by 2.2M

ohms

can

stipulated

th~

formula

Beta

1/19.8

and amount

14dB.

Therefore

the

gain

+25dB

thru

A-2

and

A-3, and

input

impedance

becoms

210K

ohms.

A-I

load

120K ohms and

gain

+32dB, and

therefore

the

total

gaLn

57dB.

Fig.

3shows

R.I.A.A.

complex.

The.

total

shall

not

levied

below

the

cut-off

frequency

50Hz.

the

case

triode

possible

suppress

the

distortion

below

the

sensing

level

under

flg.-2

small

signals.

The

present

operation

point

lies

the

total

distortion

balance.

330lPF

\~PF

II II

l;~F

220PF

2201<

phono

position

MlC

position

This

amp.

plays

the

role

mic.

amp.

well.

fig.-3

1/2

12AX7

ECC83

1/2

12AX7

ECC83

82K

18K

10K

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

+21OV

fig.-5

output

1/400V

non

inverted

input

0-----11-

inveried

in~ut·

o--~r-1IH

fig.-4

Fig.

4shows

the

circuit,

where

the

2nd

stage

constituted

dual

amps

local

feedback.

The

feedback

circuit

shown

Fig.

~ow

Frequency

Trimmer

operation

done

the

feedback

circuit.

the

position

roll-off

takes

place

100Hz

and

cut-off

takes

place

250Hz,

while

the

()

position

cut-off

commences

100Hz

and

roll-off

starts

220Hz.

25lJ<.

B1/2

12AX7

ECC83

Tone

Control

05mA

245V

Made

LUX's

exclusive

type.

All

circuits

are

shown

Fig.

This

standard

tone

control

with

LUX

amps.

Incidentally

operation

tubes

this

stage

depends

distortion

and

level

grid

current.

Signal

output

1/400V

140V

10001<

Signol

input

fig.-6

fig.-]

~271'

Signnl ovtp'ut

Low

Cut

Filter

per

Fig.

this

-12dB/oct.

filter

composed by

2-stage

coupling

CR.

This

filter

frequency

depends

the

level

set

volume,

and

the

standard

point

lies

the

5th

decrement

from

the

max.

position

(-6dB)

?45V

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

Composed by

cathode-follower

per

Fig.

The

bias

fixed

this

stage.

Noise

zener

reduced

down

the

aliowable

Signal

level

high

cut

filter.

'Jutp.Jl

fig.-S

4700P

4.7K

5.6K

92rnH

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

Shown by

Fig.

and

attenuates

-12dB/oct.

means

LC.

The

filter

frequency

decided

inview

load

and

lOOK

ohms

+200pF

(main

input

impedance

and

shield

wire).

Signa~

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

S~~~pa~t

input

270P

470K

fig.-9

6.52V

Fig.

shows whole

circuit,

which

made

whole

stage

direct

coupled

pure

complementary

SEPP

configuration.

retains

the

fixed

current

load

triggered

and

yields

the

output

about

100rnW

into

8ohms.

Q3;2SC1222

;2SAMO

Q4 ;25C375

Q5 ;2SA562

Signol

output

~~g~:l

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

22K

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

1.2K

fig.-lD

r---~--O+6.

52V

fig.-ll

lN4002

" 1

input

6.52V IN4002

rms

The

circuit

shown by

Fig.

11.

Power

supply

section

common

headphone

amp

and

pilot

lamp.

Q212

put

into

operation

the

instant

the

power

switched

on.

Q213

bias

gradually

given

the

base

through

R231

and

C215.

activate

some 0.4V

needed.

When

the

power

supply

100%

0.4V

equals

6%.

charge

6%,

T/CR

needed

which

corresponds

sec.

(CR

=400uF.Kohms).

Q211

activated

when

Q213

turned

on,

and

relay

functions

break

allowing

the

Pre

Out

terminal

open

from

short-circuiting.

Q2l2

turned

off

the

instant

the

power

switched

off,

and

then

Q2l3

and

Q2l1

are

turned

off

let

the

relay.contact

make

and

short-circuited.

Thenafter

the

base

current

Q2l3

supplied

D204.

PB-667

,Ai

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

PB-667

Description

TYPE

QUANTITY

Printed

Circuit

Board PB-667 1

2. Diode SD-lB 4

3. "lN4002 3

M4E

"lK188 1

Varister

VD-1221

Transistor

2SA562Y

2SA640

2SC735Y

10.

2SC1222E

11.

Electrolytic

25V

4.7uF 1

12.

10V

13.

6.3V 470uF 2

14.

10V

330uF M

(NON

POLAR)

IS.

Tantalum

lOY

2.2uF 2

16.

Polyester

Film

SOV

0.047uF 3

17.

Ceramic

SOV

47pF 2

18.

Resistor

10K

~S%

19.

2.2K

270K

1/2W

1M;2

1/4W

68K

47K

""2

27K

""2

22K

""2

15K

12K

""2

10K

3.3K

2.7K "

""2

"680 ""2

"470 ""2

100 " " 1

" " 4

8.2

""2

"1""5

Relay

circuit

transfer(AE1322}

PB-668/'669

----------

Resistor

2.2M

~S%

1/2W

2"1M

560K

....

470K

220K

6"lS0K

lOOK

""8

82K

I! I!

68K

56K

""4

18K

""2

10K

""4

"6.8K " " 4

"5.6K

4.7K ""2

"3.3K " " 4

"1.2K

" " 4

"820 ""2

"470 ""2

47K

33K

" " 2

270K

1/2W

low

noise

Metalised

Film

400V

O.luF

400V

0.022uF 4

250V

2.2uF 2

250V

O.luF 2

Polyester

Film

VO.lSuF 2

V0.068uF 2

VO,039uF 2

V0.027uF 2

VO.OluF 2

V0.OO39uF 2

Styrol

l2SV 3300pF 2

125V

lOOOpF

l25V 220pF 2

l25V 150pF 2

V4700pF 2

Vl200pF 2

V270pF 2

Vl80pF 2

Ceramic

V47pF 4

500V

33pF 2

500V

10pF 2

Zener Diode

100W

(ZBl-l00)

Electrolytic

6.3V 100uF

(tubler

type)

Coil

92mH

(7-1174) 2

2uH

(L-Ol) 4

Printed

Circuit

Board PB-668 1

PB-6U9

tJ:j

t'"'

()

t:J

::r>

OUT

PUT

HEAD

PHONE

TONE CONT.

AMP

CATHODE

FOLLOWER

OUTPUT

LEVEL

SET

BASS FREQUENCY

...

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

SELECTOR

....

-----,.

L.CH.

~N'CONNECTOR

R.CH•

R.CH.

~~~

.Thisdiagram

for

the

LEFT

CHANNEL.

•Power source section

omitted.

I ,

INPUT SELECTOR

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

I I I

AUX·2

AUX·'

MIC.

11NPUT IMPEDANCE

SELECTOR

AUX·3

PHONO·2

PHONO·1

MIC.

J.ACK

rr:::::

-J

SPECIFICATIONS

Tubes:

Frequency

Response:

T.H.O.:

Output

Voltage:

Output

Impedance:

nput

Sensitivity:

(output;

output

level max.)

Input Impedance:

SIN Ratio:

Equalizer:

Tone Control:

Bass:

Treble:

Filter:

Low Frequency

Trimmer:

Attenuator:

Accessories:

Dimensions:

Weight:

12AX7 (6),

12AU7

(1)

15Hz-40,OOOHz

(-ldB)

no more than 0.06% (rated

output:

2V)

Max. 15V (distortion 0.3%)

550-ohms

phono-1

l.4m

phono-2

l.4mV

aux-l 140mV (variable)

aux-2 140mV

aux-3 140mV (variable)

microphone

0.7mV

phono~

1lOOK ohms, 50K ohms, 30K ohms

phone-2 50Kohms

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%)

Xtype NF system

with

defeat position

150Hz, 300Hz, 600Hz

1.5KHz, 3KHz,

6KHz

Low cut 25Hz, 60Hz

High cut 7KHz, 12KHz

100Hz -800Hz

(±

0.8dB, 250Hz)

-20dB

Tape

Monitor

Circuit, Phono Input

Impedance Selector, Socket

for

step-up

transformer, Headphone

rcu

476

(19-1/25")W

275(11")0

x190

(7-3/5")Hmm

Net 12Kgs (26.40

Ibs)

Gross

14Kgs (30.8

Ibs)

Specifications and appearance design subject

possible

change

without

notice.

LUX CORPORATION, JAPAN

HEAD OFFICE

FACTORY

1-8-31 NAGAHASHI, NISHINARI-KU OSAKA

PHONE:632 0031 CABlE:lUXELECT OSAKA

TElEX:J63694

LUX

AUDIO

OF AMERICA

LTD.

200

Aerial

Way.

Syosset.

New

York

11791.

U.S.A.

PHONE:

(516)

822-7070

Printed

Japan

---

----

------

PIE

OUT

CL35111

_.J

1,,,Ola

--t

••

12A11

....

-133.

1201

-1226

1101

-1110

AUI

Level

Set

AUI

Level

Sit

...

Mlil

'011.

lass

TreIIII

Lev.

Sit

Had

Level

IIlIIXn(II)

1m 11!l(II)

'Ila.

2a.

3a.

.•

Sa.

6a.

VIla.

la.

b.JI~l(

II)

lul_n(II)

1m 2.210(11)

r---+-IINV~~fV'\r--+~~V\r--.--------~1l>

.........

VV'w---t~--~.t~

.J'IY

8J>

·2.

"-"''VV''--1II~11l>

•

24ft

-r-------------

-t-

(1.

10010

SOlo

3310)

(.1.

8ft

11-)

(1.

AUI

PIIOIo

n3.'.I

•.

AUI

ME)

(1.

SOIfse

3.2

(1.

MOIitar

SDIlrse

MOIIIr

(1.

leverse

loi

".·1

".·L)

.•

II)

(1.

Fl.

Up)

(1.

DefIat

II)

(1.

158Hz

300Hz

600Hz)

(1.

1.5IHz,

31Hz

&IHz)

60Hz

Detut

25Hz)

(1.

11Hz

Iefut

121Hz)

Imln

CHAIIln

...

....

MtIIII

....

lJ.

"fill

low

CIt

HiP

CIt

Pow.

11.

SII.

lb.

...

91, 9b.

ge.

lOa.

lab

11a.

11b

121.

12b.

12c.

12.

13a.

13b.

13e.

13d

StleHI$

11.

1'.

,..

IIIP.

21.

2'.

2e.

Tr.

31.

3'.

3e.

:N.

31.

SeIIcbI

41.

4c.

51.

•

AlII

....

·1

AUI-l

AIII·n

...

·n

MIC.

lEe.

liT·I

MIC.

JACI

lB.

IIT-l

lie.

IT.·I

lie.

JACI

AUI·!

AlII·I

AIII·n

...

·n

...

-1

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