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  9. Luxman L-400 User manual

Luxman L-400 User manual

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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
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
H
F
H
c-
E
B
B
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
03844205601
03C40014G04
03S40036U02
04840072616
03C42723U01
03844205602
04840072616
03844205651
03840012641
03S844205G01
03C40014G04
03S40036U01
03844205601
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
09T57203F02
_[09T51101F01
Plate,
Phone
Plate,
Phone
Plate,
Phone
Terminal
SP
2P
6P
6P
Stock
No.
L-400
Description
(Variable
Resistor)
RV101la,b
18C42061528
470-B
24T51105F02
Choke
65T57086F09
65T57086F09
3A
250V
3A
250V
~
[51T52153FO1
NJM2043D-D
~
[48T53430F01
48S43525F02
48843525F02
48843525F02
48T56658F01
48843525F02
48T51118F01
48T56657FO1
48T56660F03
48T56659F03
48T47682F02
48T57132F03
48157131F03
48T51539FOL
48T47682F02
48843525F02
28A979G
2SC1815Y
2SC1815Y
2SC1815Y
2SC1904B
,V
2SC1815Y
2SALOLSY
2SA899B
,V
28C2824
OY
[2SA1184
OY
2SC1845FA
2SC3181
OR
25A1264
OR
2SK117Y,
FET
2SC1845FA
2SC1815Y
-J09T51410F01
{09T51410F01
Holder
Holder
48T52741F54
48T52741F54
48T51117F01
48T51117F01
48T51117F01
48T51117F01
48T40955T01
48T52741F62
48T51117F01
48T44992F01
48T52741F59
48T44992F01
48T44992F01
48T51115F02
HZ18-3L
Zener
HZ18-3L
Zener
181553
181553
181553
181553
TLR124
Red
LED
HZ24-2L
Zener
181553
D135D
HZ22-2L
Zener
DS1i35D
DS135D
$3V20
o0r-1
Stock
No.
L-400
Description
48T51115F02
48T51115F02
48T51115F02
$3V20
$3V20
$3V20
08T42081U01
23T00030L38
23T44501P27
08840656F22
08840656F15
23T00029F54
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
23T50030F16
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
0.0022uF
0.001uF
0.047uF
0
.001uF
100uF
47uF
22uF
47uF
47uF
10000uF
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
06S44594P38
06S44594P38
06S44594P38
06S44594P38
06S44594P38
06S44593P75
06S844593P75
06S844593P89
06S40151T36
06S44594P36
06844594P36
06S44593P49
06S844593P49
06T55177F73
06S44594P22
06S844594P08
06S44593P87
06S44593P57
06844593P87
06S44594P06
06S44593P99
06S44593P99
O6T55175F47
06T55175F17
06T55175F07
06844593P73
06844593P61
06T55177F55
06T51107F01
06S44593P69
06844593P73
06844593P73
06S44593P69
O6T55175F17
06T55177F17
06T55179F57
06S44593P85
06S44593P33
06S844594P18
06S44594P18
06S44594P06
06S44594P08
06T56661F51
06S44593P53
|
1/4W
1/4W
1/4W
1/4W
1/4W
1/4W
1/4W
1/4wW
1/4W
1/4W
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