Sansui B-1000 User manual

STEREOPOWER
AMPLIFIER
$ll$Ul
8'3000'1000
CAUTION
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LTD.
SANSUI
ELECTRIC
CO.,

NOTE
1.The
symbols,
UL,
CSA,SA,BS,UK,EU,AS,SEV,
SS,
XX
<EXPORT>
and
XX-V
<EXPORT(V)>
onthe
parts
listandthe
schematic
diagram
mean
followings
respectively'
UL.............. Manufactured
forU.S.A
market'
(Underwriters
Laboratories
approved
model.)
CSA........... Manufactured
for
Canadian
market.
SA.............. Manufactured
for
South
African
market'
BS,
UK .Manufactured
forUnited
Kingdom
market.
EU
............. Manufactured
forEuropean
market'
AS.............. Manufactured
forAustralian
market.
SEV........... Manufactured
for
Swiss
market'
SS.............. Manufactured
forSaudi
Arabian
market.
XX<EXPORT>
.....Standard
Version
withInner
VoltageSelector.
XX-V
<EXPORT(V)>..
Standard
Version
withOuter
VoltageSelector'
NON
MARK Common
Parts.
2.Some
printed
circuitboards
are
notsupplied
assembled'
To
separate
these
inthisservice
manual,the
stock
numbers
arenot
indicated
for
these
boards.
However,
stock
numbers
forindividual
parts
are
indicated.
3.Since
somecapacitors
and
resistorsare
omitted
from
parts
lists
in
this
service
manual,
refertotheCommon
Parts
Listforcapacitors
and
resistors,
whichwas
issuedonFebruary
1983.
4.
Abbreviations
inthis
service
manualare
as
follows.
.AOr
c.R.
s.R.
Ce.R.
M.R.
F.R.
N.l.R.
A.R.
c.c.
c.T.
E.C.
E.L.
E.B.
E.B.L.
Ta.C.
F.C.
M.P.
P.C.
A.C.
V.R.
S.V.R,
SW.
Chip
R.
ChipC.
Carbon
Resistor
Solid
Resistor
Cement
Resistor
Metal
FilmResistor
Fusing
Resistor
Non-lnflammable
Resistor
Array
Resistor
CeramicCapacitor
Ceramic
Capacitor,
Temperature
Compensation
ElectrolyticCapacitor
LowLeakElectrolytic
Capacitor
Bi-Polar
Electrolytic
Caoacitor
LowLeakBi-Polar
ElectrolyticCapacitor
TantalumCaoacitor
FilmCapacitor
Metalized
PaperCapacitor
PolystyreneCapacitor
Gimmic
Capacitor
ArrayCapacitor
Variable
Resistor
Semi
Variable
Resistor
Switch
ChipResistor
ChipCapacitor

1.INTERIORBLOCKDIAGRAM
. STK3152-3
(Differential
Arp.) oF
rc
OUT
- vcc
o
TA7317P
(Speaker
Protector)
. lR2E29
(L.E.D.
Drive)
vcc
o
M5218P/NfM455BD
(OP
Amp.)
PowerSupply
ON/OFF
Detection
Circuit
OverCurrenl
Detection
C
ircuit
< Top View>

2.PARTS
LISTOF
BOARD
Parts
No. StockNo. Description
2-1.F-5778 Main Amp Board (Stock
No.
0104s301
=
8-3000/01046201
=
8-1000)
Parts
No. StockNo. Descliption
.Transistor
akol
Ako2
A
A
ako3
/i\
l\
Ako4
A
akos
A
olC
ktc
1
ktc2
A KR9
AkR12
AkR13
AKR16
A
AKR17
AkR23
AKR51
kc13
kc14
kL1
klv
1
KVR1
.Transistor
ta2
to3
r04
03067401
48263101
o1206401
or
48849101
4826300
1
07206301
or48849001
46541401
48490801
46541301
48490101
48121000
48904300
03607700
or
46580100
46228400
46228600
46228600
48197000
46184100
46623100
46622300
46624700
481
03500
48
1
03700
lo7
.lc
ilc1
. Diode
lD1
tD2
tD3
tD5
tD6
lD7
IPT1
AIPT2
tc2
AtR
14
AIRl5
ArR16
A
AIR17
A
ArR23
AIR24
AIR28
A rR29
IR1,1
.Transistor
AmOl
AmO2
o
Diode
AmD2
.Zener
Diode
mDZl
mDZ2
A nR6
03010901
46207600
83000
1
00
83000't
00
83000
100
830001
00
83000
100
83005000
48262800
48262700
48101500
46229000
46229000
46229300
46229100
46229300
46229100
46249100
46249100
46229100
46227400
48524300
or 48524400
4661
4101
4661400
1
83004800
46
11
3900
or
461
14000
461
1
3900
or
46114000
46230300
83004700
'1
000
1/2wN
100f,
1/2wN
18001r2W
N
1200
1/2WN
18001/2W
N
1200
1/2WN
1200
1/2WN
12001/2W
N
'1
200
1/2WN
4.70
1/2WN.
<8-3000
>
<B-1000>
< B-3000
>
< B-.1000>
<
8-3000>
< B-3000>
2SC1845
2SC329BA
<8-3000>
2SD600K
<B-1000>
2SC3944A
<8-3000>
2SA1306A
<8-3000>
258631K
<B-1000>
2SA1535A
<8-3000>
25C2921<8-3000>
2SC3855<B-1000>
2SA1215
<8-3000>
2SA1491<B-1000>
srK3152-3
<8-3000>
srK30B2-2A
<B-1000>
NJIV4558D
M52'18P
330
1/2WN.l.R.
47f'1/2W
N.l.R
470
1/2WN
l.R.
O.22A+O.22{2
7WCe.R.
< 8-3000>
0.22Q+0.22A
5W
Ce.R.
< B,'1000>
100
2w N.l.R.
2.202W
N.l.R.
22002W
N.l.R
2SC2603
23C245B
2SC1
7405
2SA1
115
2SA1048
2SA933S
2SA1
1'15 <8-3000>
2SA1048
<8-3000>
2SA9335
<8-3000>
2SA12B4<8-3000>
25C2857
25C1473
2SA992
TA7317P
1N41
4B
1N41
48
1
N41
48
1N4148
<8-3000>
1N4148<8-3000>
1N4002
Thermistor
ZPP221C50'1
A1
1
0
Thermistor
ZPP22Of5U A8O
'l00pF
6.3V
E.B.
R
,R
,R
.R
,R
.F
.R
.R
,R
R
2.2pF50Y
EB
4.7pF50Y
E.B
Belay,
(DC
12V)
Relay,
{DC
12V)
25C3243
2SA1
283
KBPO2
05212-Y
05212-Z
05212-Y
05212-Z
1.2k01/2W
N.l.B
PushSW
, SPEAKERS
83020100 Inductor
83020800 MoToR<8-3000>
83006800 5000S.V.R
, Bias
4636710
1
or
46367301
or
48058801
4636700
1
or 46361201
or48058601
46367001
or 46367201
or48058601
4805940
1
4886370
1
or48863901
oS1
oJ1
oZl
83002600 Jack,
PHONES
83003900 2PTerminal,
INPUT
ro5
t06

2-2.t-5779
Power
Supply
Board 2-7.F-5783
Power
level Meter Board
(Stock
No. 01045801)
Parts
No. Stock No. Description
.lC
nlC1
oZener
Diode
nDZl 46109300 0523.0-X
or46109400 0523
0-Y
Parts No. Stock No. Description
.Diode
AmDl
AmRl
AmR2
AmF3
mC1
mC2
mC12
83020900
46626600
46626600
46622100
48846000
48846000
08680400
KBPCBO2
B2k02WNtR
8.2kO2W
N.t.R.
4 70
2WN.t.R
8200pF
BOVE.C.
8200pF
BOVE.C
0 01pF5O0V
CC 48B4
1300
48841
300
4884
1
300
48841
300
48B4
1300
48841
300
4B841
300
4BB4't
300
SEL3B1
34
SEL3B134
SEL3Bl
34
SEL3B134
SEL3B1
34
SEL38134
SEL381
34
SEL3B1
34
46398400 tR2E29
.LED
nLDl
n
LD2
nLD3
nLD4
nLD5
nLD6
nLD7
nLDB
2-3.F-578O
SpeakersTerminal
Board
Parts
No. Stock No. Description
83002300 BP
Terminal,
Speaker
2-4.t-5781
Meter
Range
SW.,Board
PartsNo. Stock No. Description
oS2 83004500 Push
SW, METER
RANGE
2-5.
F-5782Indicator
Board
Parts No. Stock No. Description
.
LED
n
LD9 48849300 SEL3913K,POWEF
2-6.F-5784
Fuse
Board
Parts
No. StockNo. Description
ApFl
/i\
ApF2
A
83022000 Fuse44 <8-3000> (XX-V.SS)
83029100 Fuse
8A <8-3000> (UL
CSA)
83021800 Fuse2.5A
<B-'l
000> {XX-V.SS)
B3O220OO Fuse4A <8-3000> (XX-V.SS)
83021800 Fuse
2.5A
<B-1000>
(XX-V.SS)

3.OTHER
PARTS
oFront View o
I
o
I
o
. Top
View
r--J i
L
L.CH K
trh
TP
F-5783
FrontPanel

. PartsList< FrontView> 4.
ADJUSTMENTS
. Notes
1.
RoomTemperature
.....18oC-28oC.
2.For
thisadjustment
run
the
unitformore
than
5minutes
afterthe
power
isswitched
ON.
3.For
the
point
ofadjustment,
seethe
Top
View.
4.
See
Top
View
on page
5 adjustment
position.
STEP MEASURE
OUTPUT ADIUST ADIUST
FOR
1 L-CH Terminal
(TP)
Between emitters ol
Power transistors
(KQ4 & KQs)
KVRl
(F-s778)
L.CH
5mV
+lmV
2 R-CH Terminal
(TP)
Between
emitters
of
Power transistors
(KQ4
& KQs)
KVRl
(F-5778)
R.CH
5mV
+1mV
Parts
No. Stock No. Description
3
A
5
6
7
B
9
10
all
12
84503900
375001
0
1
3750000
1
37500002
83002600
48508800
83004500
84508900
83004700
84517800
4811
3300
466
12900
845051
00
46425800
84527700
1
2Bonnet
Front
PanelAss'y
<B-1000>
FrontPanel
Ass'y
< 8-3000
> (xx)
Front
Panel
Ass'y
< 8-3000
> (uL.
csA)
Jack,PHONES
Knob,
METEB
RANGE
Push
SW.,METER
RANGE
Knob,
SPEAKERS
Push
SW.,
SPEAKERS
Knob,
POWER
Push
SW.,POWER
<B-1000>
Push
SW.,
POWER
<8-3000>
Spring,POWER
0.01pF
400V
C.C.
Leg
A
PartsList<Top View>
0Parts
No. StockNo. Description
2
A3
A
A
A4
A
l\b
84512000
84519800
84514000
83020000
83003600
48837700
830041
00
83002200
83002200
83011
509
83011
602
48175200
83002300
84507500
83003900
84512100
84519900
07255000
83020800
Side
Panel,
Left
<8-3000/1000>
SidePanel,
Left
(UL.CSA)
< B-3000>
AC
Cord
Holder
Power
Supply
Cord
{XX-V.SS)
Power
Supply
Cord
(UL.CSA)
< 8-3000
>
Power
Supply
Cord
(SS)
AC
Outlet
(XX-V.SS)
AC
Outlet-Polarized
(XX-V.SS)
AC
Outlet
(UL)
<8-3000>
Power
Tranformer
with
VOLTAGE
SELECTOR
Socket
(XX-V.SS)
Power
Tranformer
(UL.CSA)
< 8-3000
>
Plug,
VOLTAGE
SELECTOR
(XX-V.SS)
BpTerminal,
SPEAKERS
HS
Cover
<8-3000>
2P
Terminal,
INPUT
Side
Panel,
Right
< 8-3000/
1000
>
SidePanel,
Right
(UL.CSA)
< 8-3000
>
Fan
<8-3000>
DCMotor
<8-3000>
6
7
B
I
l0
't
1
12

5.PARTSLOCATION
ONBOARD
5-1.t-5784
FuseBoard
Component Side
:
sf
F
rO
25OV FUSE
CAUT|0t{ -
FoR
cor{TnuED
pnoTEcror{
AcArt{sr
FIREHAZARO,BEPTACEOilTYWITHSAiIT TYPTfUSTS
5-2.t-5779PowerSupply
Board
5-3.F-5783Power
LevelMeterBoard
Component Side
F-5780Speakers
TerminalBoard
Component Side
J-J. F-5781MeterRange
SW.,
Board
Component Side
5-4.
5-tt. F-5782Indicator Board
Component
Side
€
-
o-
o-
l
o
E
UJ
=
o
(L
3{