Luxman L-400 User manual

SERVICE

MANUAL

DUO-BETA

CIRCUIT

STEREO

INTEGRATED

AMPLIFIER

_

oor-1

Contents

Block

“Diaeram

“a=

—o-se

sos

eS

L

Adjustmétut

Procédurés

<2--s4-—

=a

2

Packing

Material

Parts

List

---------------------

2

Exploded:

View

“#62=—=se=—s-

Sea

ee

3

Exploded

View

Parts

List

--~------~----~------------

4-5

Pre

Main,

PCB

Parts

List:

s“-----==--=<---<<=4+--==

eae

|

Function

SW

PCB

Parts

List

---------------~-------

7

Tone

Control

PCB

Parts

List

--------~----------—-

8

VR

Contecol

PCB

Parte

List:

==-4S-s--=--=S-=S->—=-—

8

HD

Phone

PCB

Parts

List

~--~=-—--=--------=-==-~--

8

Balance

Control

PCB

Parts

List

---~--------------

8

MC: SW.

PCR

Parts:

List.

--==+-=-===—=——=46-S-4-4-5>

8

TG:

(CPR)

Handling

Guide.

So---Sessresresor

is

9

Schematic

Diagram

------~~---~-----~---~-----------

10

-

11

Specifications

---------------------------------—-

12

Block

Diagram

B2

VOLUME

BALANCE

PHONO

©

esc

—Q

AMP

<i

[cow

reo]

LOUDNESS

MC

MM

SELECTOR

ic)

A

SPEAKER

[O]

B

SPEAKER

‘i

HEAD

PHONE

eT

m

@

>

oe.

7)

4

2

m

@

ad

m

a

Adjustment

Procedures

DC

Voltmeter

Front

Bias

(Idle)

Current

Adjustment

1.

Connect

a

DC

Voltmeter

in

between

TP1

and

TP2

on

L-ch

and

or

TP4

and

TP3

on

R-ch,

Making

TP1

and

TP4

positive

respectively.

2.

Adjust

the

RV10la

and

RV101b

to

obtain

15mV

+

5mV

reading

on

the

meter.

Packing

Material

Parts

List

|

207

Symbol

No.

|

Stock

No.

_

RSet

APEtoe

201

68

R64248

FO1

|

Owner's

Manual

202

56B40230G21

|

Sack,

Poly

203

56C56637F01

|

Pkg,Tray

204

56A58581F01

|

Pad,

Pkg

205

56A57423F04

|

Pad,

Pkg

206

56B40230G23

|

Sack,Poly

207

56C53420F42

|

Carton,

Pkg

208

56C53420F26

|

Carton,Bulk

Pkg

—2—

0O0r-1

=

—

>

fa

Ld

a

ro)

J

Q.

x

fy

Exploded

View

Parts

List

Stock

No.

Description

toast

Maa

Nwowok

Bw

PE

OTOO

sm

t

~

‘i

a

one)

Pi

Om

bao

o

NNWRFwWURS

MworurnrPe

eR

REND

Hj

|

ot

WNHNNMWWHERU

Fae

a

aaa

Ka

PEED

wor

!

we

|

~

ies

Bs

“NN

|

DAMON

UN

ONS

SO

as

se

~

‘i

>

11

12

13

14

15

16

17

18

19

20

20-1

21

21-1

22

22-1

23

23-1

24

24-1

25

25-1

26

27

28

29

30

31

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

07B56633FO1

01V58700F23

40T56667FOL

40T56653F0L

09T57203F01

097T57203F02

O9TS1101FO1

29441814601

07B56624F01

451T57373F01

27056631F01

07A57048F01

43A56651F01

91A57951F01

65T56669FO1

65T56669F02

40T57371F01

07C56632F01

25T56591

FOL

07B57267FOL

07A56634F01

09T51828F01

65T52486F12

43A51798F02

75A50578F07

01V58100F06

18156663F01

01V58100F95

40T56664F0L

01V58100F08

18T56666F01

01V58100F09

09T56010F01

01V58100F10

18T56665FO1

01V58600F50

40T57372F01

07C56668F01

07R51146F01.

15€56636F09

28T55335F01

43B41625J02

09T51075F01

07A57406F0L

40T57580F01

08T57437F09

36B56627F01

36B56626F01

36A56625F01

36A56639F02

36A56640F01

36A57180F01

15€56629F01

15C56630FO1

75A52969F01

14853018F42

64C056623F05

07B56624F02

61A56641F01

43A56628F01

07B56643F0L

43A56644F01

Bkt,R

Ass'y,Par

M/A

PCB

SW,Push

SUN73

SW,

Push

SUN33

Plate,Phone

2P

Plate,Phone

6P

Terminal,SP

Lug

Frame,Panel

Side-R

Wire,Flex

SWR1198

Chassis,

Front

Bkt

,

Phones

Bushing,

Rubber

Filter

,1035

Lamp,

Pilot

Lamp,Pilot

Grn

SW,

Push

SUFR1

Bkt,Trans

Trans,

Power

Bkt,

Trans

Bkt

,

Fuse

Holder,Fuse

Holder,

Fuse

Fuse,

Semko

Spacer,

Fuse

Pad,

Cushion

Ass'y,Tone

Cont.PCB

VR,Rotary

50KCx2

Ass'y,Function

SW

PCB

SW,Rotary

SRZ

Ass'y,VR

Cont

.PCB

VR,Rotary

250KW

Ass'y,HD

Phone

PCB

Jack,HD

Phone

M-1669

Ass'y,Blance

Cont

.PCB

VR,Rotary

100KBx2

Ass'y,MC

SW

PCB

SW,Slide

SSR4235

Heat

Sink

Support,TR

Cover

,Rear

Plus,AC

Cord

Support

,Cord

Terminal

,GND

Bkt

,

PCB

SW,

Power

Cap,MP

0.01

Knob

,Rotary

VR

C

Knob,Rotary

VR

B

Knob,Rotary

VR

A

Knob,Push

1171

Knob,Push

1189

Knob,

Push

1189

Knob,

Push

B

Cover,

Top

Cover,

Bottom

Pad,

Trannleg

Insulator,50x5

Panel,

Front

Frame,Panel

Side

Crystal,

Indicator

Spacer,

Power

Frame,Knob

1140

Spacer,Frame

Knob

—4—

(SW104-110)

(SW101-103)

(E101)

(£102,103)

(E104)

(S701)

(AUX,

Tuner)

(Phono)

(S701)

(RV201,

203)

(S301)

(RV601)

(HD)

(RV401)

(S-701)

00v-1

io]

1opttbtd#4

nu

PETER

ET

PORT

Pe

eS

NYVFFONANYNNF

WUD

UNO

U

H

F

H

c-

E

B

rorotd

WWh

WOAQAQ

PLP

SFP

Poe

Ae

eT

aa

'

eer

is

Wes

Ts

Gs

BFADRFPRENEWNNNUUY

~~

i

i)

™

T

No

Stock

No.

AC

OUTLET

——

07A56645F01

07A56648F01

07C56907F01

07B56646F01

07C56647F01

07A57407F01

61A56649F01

43A56650F01

61A56642F01

03844205601

03C40014G04

03S40036U02

04840072616

03C42723U01

03844205602

04840072616

03844205651

03840012641

03S844205G01

03C40014G04

03S40036U01

03844205601

03844205603

29C41045P03

03844205G01

03840011632

04840070605

04S40071G01

03840012628

29A737272-A

03844205601

04840072616

03844205602

03C42723U01

03844205616

03S40036U01

03844205638

03844205602

03844205625

03C40014G04

09T57066F01

Description

Frame,Knob

1156

Frame

,

Knob

Frame,Knob

1153

Frame,Knob

1154

Frame,Knob

1155

Frame

,Knob

1163

Filter,

Lamp

Spacer,

Lamp

Crystal,

Indicator

Scr,T-Tite

M3x6

Ser,T-Tite

M3x6

Ser,Mch

.M3x6

Scr,T-Tite

M3x8

Wsr,

T.L.M3

Scr,Cup

.M3x6

Scer,T-Tite

M3x6

Wsr,

T.L.M3

Scr,T-Tite

M4x8

Scr,

Tpg.M3x8

Scr,T-Tite

M3x6

Ser,Mch

.M3x6

Ser,T-Tite

M4x8

Ser,T-Tite

M3x6

Ser,T-Tite

M3x6

Scr,T-Tite

M3x8

Lug,W.Around

Scr,T-Tite

M3x6

Ser,Mch

M3x12

Wsr,

3.3x8x0.5

Wsr,

3.1x5.9x0.7

Scr,

Tpg.M3x8

Lug,W.Around

Ser,T-Tite

M3x6

Wsr,T.L.

M3

Ser,T-Tite

M3x6

Scr,T-Tite

M3x6

Scr,T-Tite

M3x6

Scr,T-Tite

M4x8

Ser,T-Tite

M3x6

Ser,T-Tite

M3x6

Ser,T-Tite

M4x10

Scr

,M3x6

Outlet

,AC

S2-724B-04

Pre-Main

AMP

PCB

Parts

List

CCWK-TeXxX

@vdee2osto!

Description

L

$W101-103]_

SW104-110

40T56653F01

40T56667F01

SUN33

SUN73

(Terminal)

09T57203F01

09T57203F02

_[09T51101F01

Plate,

Phone

Plate,

Phone

Plate,

Phone

Terminal

SP

2P

6P

Stock

No.

L-400

Description

(Variable

Resistor)

RV101la,b

18C42061528

470-B

24T51105F02

Choke

65T57086F09

3A

250V

3A

250V

~

[51T52153FO1

NJM2043D-D

~

[48T53430F01

48S43525F02

48843525F02

48T56658F01

48843525F02

48T51118F01

48T56657FO1

48T56660F03

48T56659F03

48T47682F02

48T57132F03

48157131F03

48T51539FOL

48T47682F02

48843525F02

28A979G

2SC1815Y

2SC1904B

,V

2SC1815Y

2SALOLSY

2SA899B

,V

28C2824

OY

[2SA1184

OY

2SC1845FA

2SC3181

OR

25A1264

OR

2SK117Y,

FET

2SC1845FA

2SC1815Y

-J09T51410F01

{09T51410F01

Holder

48T52741F54

48T51117F01

48T40955T01

48T52741F62

48T51117F01

48T44992F01

48T52741F59

48T44992F01

48T51115F02

HZ18-3L

Zener

HZ18-3L

Zener

181553

TLR124

Red

LED

HZ24-2L

Zener

181553

D135D

HZ22-2L

Zener

DS1i35D

DS135D

$3V20

o0r-1

Stock

No.

L-400

Description

48T51115F02

$3V20

08T42081U01

23T00030L38

23T44501P27

08840656F22

08840656F15

23T00029F54

23T43197F17

08S40656F22

08841442F10

08841442F21

08C42195G620

23T44501P08

08S41442F06

23S41198U38

08C42195G15

23T00030L43

08T55119F03

08S41442F05

08S841442F05

08S40656F01

08S841442F21

08S40656FOL

23841198038

23T00030141

23T00030L28

23T00030L39

23T00030L40

23T56654F01

231T56654F01

23T50030F16

150pF

125V

0.0022uF

47uF

16V

47uF

25V

0.047uF

0.056yF

0.015uF

220uF

25V

220uF

=.

25V

4.7uF

50V

0.056uF

0

.0056uF

0.047uF

47pF

-125V

3.3uF

25V

0.0027uF

LOOuF

63V

33pF

125V

100uF

1OV

3pF

50V

0.0022uF

0.001uF

0.047uF

0

.001uF

100uF

47uF

22uF

47uF

10000uF

Function

SW

PCB

Parts

List

Symbol

No.

Stock

No.

L-400

(Switch)

Description

$301

(Capacitor)

40T56664F01

Rotary,SRZ

C301a,b

C302a,b

(Resistor)

23T44501P06

23T44501P03

2.2uF

LR

35V

El

0.33uF

LR

50V

EL

R301a,b

R302a,b

06844594P30|

470K

06844594P30|

470K

1/4W

Rd

1/4W

Rd

Description

06S44593P37

06844593P57

06S44594P38

06S44593P75

06S844593P75

06S844593P89

06S40151T36

06S44594P36

06844594P36

06S44593P49

06S844593P49

06T55177F73

06S44594P22

06S844594P08

06S44593P87

06S44593P57

06844593P87

06S44594P06

06S44593P99

O6T55175F47

06T55175F17

06T55175F07

06844593P73

06844593P61

06T55177F55

06T51107F01

06S44593P69

06844593P73

06S44593P69

O6T55175F17

06T55177F17

06T55179F57

06S44593P85

06S44593P33

06S844594P18

06S44594P18

06S44594P06

06S44594P08

06T56661F51

06S44593P53

|

1/4W

1/4wW

1/4W

Tone

Control

PCB

Parts

List

Stock

No.

gt

os

Description

RV202

No.

L-400

(VR

Rotary)

RV201

18T56663F01|

50KCx2

18T56663F01|

50KCx2

(Capacitor)

C20la,b

€202a,b

C203a,b

C204a,b

C205a,b

C206a,b

C207a,b

|

23T00030L11]

4.7uF

25V

El

08S40656F11|

0.0068uF

My

08S40656F20/0.039uF

My

23T00030L24|

22uF

16V

El

21840655F31|

560pF

Ce

08840656F22|0.056uF

My

08844503P30/0.27uF_50V

My

(Resistor)

R201la,b

R202a,b

R203a,b

R204a,b

VR

Control

PCB

Parts

List

Symbol

No.

06S844593P71|1.8K

1/4W

Rd

06844593P53|

330

1/4W

Rd

06S844593P87|

8.2K

1/4W

Rd

06844593P69/

1.5K

1/4W

SRE

Shans

AT

ae

X2a-AMID

a)

°

Stock

No.

L-400

Description

(VR,

Rotary)

RV401_

[18T56665FO1]

1O0KBx2

(Resistor)

HD

Phone

PCB

Parts

List

(igek)

06S844593P57|

470

1/4W

Rd

Description

CCWK-~2§0IZ6S9SC8!

E105

(HP)

09T56010F01|HD

Phone

M1669

Stock

No.

L-400

Description

18T56666F01

|

250KW

Stock

No.

L-400

Description

$701

HI

[40T57372FO1|Slide

SSR2435

(Resistor)

R70la,b

Remarks

Capacitor

:

Resistor

06S44593P21/15

1/4W

Rd

.

Electrolytic,

Ce...Ceramic,

P

...Polyethylene,

My...Mylar.

..Carbon,

Rm...Metal

Film,

Rce...Cement.

oor-71

IC

Handling

Guide

NJM2043D-D

A

output

We

Ic101

(Stock

No.

51T52153F01)

A

—

input

B

Output

A

+

input

B

—input

v—

B

+

input

(Top

View)

TR,

2SA979G

Ql0la,b

(Stock

No.

48T53430F01)

2G

Luxman L-400 User manual

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