Sansui B-3000 User manual

B-3000/1000

B-3000/1000
NOTE
1.
The
symbols,
UL,
CSA,
SA,
BS,
UK,
EU,
AS,
SEV,
SS,
XX
<EXPORT>
and
XX-V
<EXPORT(V)>
on
the
parts
list
and
the
schematic
diagram
mean
followings
respectively.
Wendi eeeceeteder teh Manufactured for U.S.A market.
(Underwriters Laboratories approved model.)
CSA vk neniieiehe Manufactured for Canadian market.
SAsccsitiesattesdacevetests Manufactured for South African market.
BS, UK .........2.c0c20e Manufactured for United Kingdom market.
BW bss sienians Manufactured for European market.
AS ccs ae eeieececics Manufactured for Australian market.
SEV wivisscssccnecesesceiess Manufactured for Swiss market.
SSiiekveuiostneseaeds Manufactured for Saudi Arabian market.
XX <EXPORT> ..... Standard Version with Inner Voltage Selector.
XXV <EXPORT(V)> .. Standard Version with Outer Voltage Selector.
NON MARK............. Common Parts.
2. Some printed circuit boards are not supplied assembled. To separate
these in this service manual, the stock numbers are not indicated
for these boards. However, stock numbers for individual parts are
indicated.
3. Since some capacitors and resistors are omitted from parts lists in
this service manual, refer to the Common Parts List for capacitors
and resistors, which was issued on February 1983.
4. Abbreviations in this service manual are as follows.
Sa canen List
C.R. —: Carbon Resistor E.B.L. : Low Leak Bi-Polar
S.R. — : Solid Resistor Electrolytic Capacitor
Ce.R. : Cement Resistor Ta.C. : Tantalum Capacitor
M.R. _ : Metal Film Resistor F.C. : Film Capacitor
F.R. : Fusing Resistor M.P. _: Metalized Paper Capacitor
N.LR. : Non-Inflammable Resistor P.C. _ ; Polystyrene Capacitor
A.R. — : Array Resistor G.C. —: Gimmic Capacitor
C.C. : Ceramic Capacitor A.C. —_: Array Capacitor
C.T. : Ceramic Capacitor, V.R. : Variable Resistor
Temperature Compensation S.V.R. : Semi Variable Resistor
E.C. _: Electrolytic Capacitor SW. — : Switch
E.L. : Low Leak Electrolytic Chip R.: Chip Resistor
Capacitor Chip C. : Chip Capacitor
E.B. : Bi-Polar Electrolytic
Capacitor

1. INTERIOR BLOCK DIAGRAM OF IC
¢ STK3152-3 (Differential Amp.)
+Vec OUT
O
b jb bi |
—Vec
¢ TA7317P (Speaker Protector)
ae oe
+ Oy
Power
Fonets Cotton
Circuit
Over Current ro
Detection
Circuit
+DC Voltage
Detection
Circuit
<Top View >
B-3000/1000

B-3000/1000
2.PARTS LIST OF BOARD
2-1. F-5778 Main Amp Board (Stock No. 01045301 = B-3000/01046201 = B-1000)
Parts No. Stock No. Description Parts No. Stock No. Description
¢Transistor 107 03010901 2SA992
AkQ1 03067401 2SC 1845
AkQ2 48263101 2SC3298A <B-3000> eiC
A 07206401 2SD600K <B-1000> WIC 1 46207600 TA7317P
A or 48849101 2SC3944A <B-3000>
A\kQ3 48263001 2SA1306A <B-3000> *Diode
A 07206301 2SB631K <B-1000> ID1 83000100 1N4148
A or 48849001 2SA1535A <B-3000> 1D2 83000100 1N4148
A\kQ4 46541401 2SC2921 <B-3000> ID3 83000100 1N4148
A 48490801 2SC3855 <B-1000> IDS 83000100 1N4148 <B-3000>
A\kQ5 46541301 2SA1215 <B-3000> ID6 83000100 1N4148 <B-3000>
A 48490701 2SA1491 <B-1000> ID7 83005000 1N4002
e1Cc 1PT1 48262800 Thermistor ZPP221C501A110
kIC1 48127000 STK3152-3 <B-3000> A\IPT2 48262700 Thermistor ZPP220T501A80
48904300 STK3082-2A <B-1000>
kIC2 03607700 NJM4558D iC2 48101500 100pF 6.3V E.B.
or 46580100 M5218P
AIR14 46229000 O02 1/2W N.1.R.
A\kRQ 46228400 330 1/2W NLR. ANIR15 46223000 OOO 1/2W N.1.R.
AXkR12 46228600 479 1/2W NLR. AIR16 46229300 1800 1/2W N.I.R. <B-3000>
AkR13 46228600 479 1/2W NLR. A 46229100 200 1/2W N.1.R. <B-1000>
AkR16 48197000 0.2202+0.220 7W Ce.R. AIR17 46229300 1800 1/2W N.1.R. <B-3000>
<B-3000 > A 46229100 202 1/2W N.1.R. <B-1000>
A 46184100 0.229+0.222 5W Ce.R. AIR23 46249100 1200 1/2W N.1.R. <B-3000>
<B-1000 > ANIR24 46249100 1200 1/2W N.1.R. <B-3000>
A\kR17 46623100 102 2W N.LR. A\IR28 46229100 1200 1/2W N.1.R.
AkR23 46622300 2.20 2W NLR. A\IR29 46227400 4.72 1/2W N.1.R.
A\kR51 46624700 2200 2W N.I.R. iRL1 48524300 Relay, (DC 12V)
or 48524400 Relay, (DC 12V)
kC13 48103500 2.2uF 50V E.B.
kC14 48103700 4.7pF 50V E.B. Transistor
AmQ1 46614101 2SC3243
kL1 83020100 Inductor AvmQ2 46614001 2SA1283
kM1 83020800 MOTOR <B-3000> *Diode
AmD2 83004800 KBPO2
kVR1 83006800 5002 S.V.R., Bias
Zener Diode
¢Transistor mDZ1 46113900 05212-Y
Q2 46367101 2SC2603 or 46114000 052Z12-Z
or 46367301 2SC2458 mDZ2 46113900 05Z12-Y
or 48058801 2SC1740S or 46114000 05212-Z
Q3 46367001 2SA1115 A\nR6 46230300 1.2kQ 1/2W N.LR.
or 46367201 2SA1048
or 48058601 2SA933S8 0S1 83004700 Push SW., SPEAKERS
Q4 46367001 2SA1115 <B-3000>
or 46367201 2SA1048 <B-3000> oJ1 83002600 Jack, PHONES
or 48058601 2SA933S <B-3000>
Q5 48059401 2SA1284 <B-3000> o0Z1 83003900 2P Terminal, INPUT
Q6 48863701 2SC2857
or 48863901 28C1473

2-2. F-5779 Power Supply Board
Parts No. Stock No. Description
*Diode
AmD 83020900 KBPC802
AvmRi 46626600 8.2kQ 2W NLR.
AvmR2 46626600 8.2kO 2W N.1.R.
AvmR3 46622700 4.70 2W N.LR.
mC 48846000 8200pF 80V E.C.
mC2 48846000 8200zF 80V E.C.
mC12 08680400 O0.01pF 500V C.C.
2-3. F-5780 Speakers Terminal Board
Stock No.
Parts No.
oZ2 83002300
Description
8P Terminal, Speaker
2-4. F-5781 Meter Range SW., Board
Parts No. Stock No.
o0S2 83004500
Description
Push SW., METER RANGE
2-5. F-5782 Indicator Board
Parts No. Stock No. Description
*LED
nLbg 48849300 SEL3913K, POWER
2-6. F-5784 Fuse Board
Parts No. Stock No. Description
LN pF1 83022000 Fuse 4A <B-3000> (XX-V°SS)
83029100 Fuse 8A <B-3000> (UL.CSA)
A 83021800 Fuse 2.5A <B-1000> (XX-V:SS)
A\ pF2 83022000 Fuse 4A <B-3000> (XX-V:SS}
A 83021800 Fuse 2.5A <B-1000> (XX-V-SS)
B-3000/1000
2-7. F-5783 Power Level Meter Board
(Stock No. 01045801)
Parts No. Stock No. Description
elc
nc 46398400 IR2E29
¢Zener Diode
nDZ1 46109300 05Z3.0-X
or 46109400 0523.0-Y
*LED
nLD1 48841300 SEL3813A
nLD2 48841300 SEL3813A
nLD3 48841300 SEL3813A
nLD4 48841300 SEL3813A
nLDS 48841300 SEL3813A
nLD6 48841300 SEL3813A
nLD7 48841300 SEL3813A
nLD8 48841300 SEL3813A
1
1
;
3
‘
3

zecleleleym rele]
3. OTHER PARTS
e Front View
STEREO POWER AMPLIFIER,
POWER LEVEL METER L
* Top View
Radiator
Front Panel

¢ Parts List <Front View>
Parts No.
Stock No.
A
A
1
OANOaAhW
9
11
12
84503900
37500101
37500001
37500002
83002600
48508800
83004500
84508900
83004700
84517800
48113300
46612900
84505100
46425800
84527700
Parts List <Top View>
Parts No,
PPPPP PB
>
1
Stock No.
84512000
84519800
84514000
83020000
83003600
48837700
83004100
83002200
83002200
83011509
83011602
48175200
83002300
84507500
830033900
84512100
84519900
07255000
83020800
Description
Bonnet
Front Panel Ass‘'y <B-1000>
Front Panel Ass’y
<B-3000 > (XX)
Front Panel Ass‘y
<B-3000 > (UL. CSA)
Jack, PHONES
Knob, METER RANGE
Push SW., METER RANGE
Knob, SPEAKERS
Push SW., SPEAKERS
Knob, POWER
Push SW., POWER <B-1000>
Push SW., POWER <B-3000>
Spring, POWER
0.01pnF 400V C.C.
Leg
Description
Side Panel, Left <B-3000/1000>
Side Panel, Left (UL.CSA)
<B-3000 >
AC Cord Holder
Power Supply Cord (XX-V-SS)
Power Supply Cord (UL.CSA)
<B-3000 >
Power Supply Cord (SS)
AC Outlet (XX-V*SS)
AC Outlet-Polarized (XX-V+SS}
AC Outlet (UL) <B-3000>
Power Tranformer with
VOLTAGE SELECTOR
Socket (XX-V:SS)
Power Tranformer (UL.CSA}
<B-3000>
Plug, VOLTAGE SELECTOR
(XX-V°SS)
8p Terminal, SPEAKERS
HS Cover <B-3000>
2P Terminal, INPUT
Side Panel, Right
<B-3000/1000>
Side Panel, Right (UL.CSA)
<B-3000>
Fan <B-3000>
DC Motor <B-3000>
B-3000/1000
4. ADJUSTMENTS
*Notes
1. Room Temperature ...:. 18°C ~ 28°C.
2. For this adjustment run the unit for more than 5minutes after the
power is switched ON.
3. For the point of adjustment, see the Top View.
4. See Top View on page 5 adjustment position.
MEASURE OUTPUT ADJUST ADJUST FOR
Terminal (TP) a KVRI | SmV
Between emitters of (F-5778) +1mV
Power transistors L-CH
(KQ4 & KQ5)
Terminal (TP) KVRI | 5mV
Between emitters of (F-5778) +1mvV
Power transistors R-CH
(KQ4 & KQ5)
- 2R-CH

B-3000/1000
5. PARTS LOCATION ON BOARD
5-1.
F-5784
Fuse
Board
5-3.
F-5783
Power
Level
Meter
Board
Component Side Component Side
CAUTION - ron continuen PROTECTION AGAINST
FIRE
HAZARD,
REPLACE
ONLY
WITH
SAME
TYPE
FUSES.
5-4,
F-5780
Speakers
Terminal
Board
Component Side
5-5. F-5781 Meter Range SW., Board
Component Side
o
ad
5-6. F-5782 Indicator Board
Component Side
15
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a
o
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2
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B-3000/1000 B-3000/1000
5-7. F-5778 Main Amp Board
Component Side

B-3000/1000 B-3000/1000
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* Design and specifications subject to change without notice for improvement.
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6-1.
B-3000
*
La
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et
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spécifications
sont
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d’étre
modifiées
sans
préavis
par
suites
d’améliorations
éventuelles.
.
s
*
Anderungen,
die
dem
technischen
Fortschritt
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* Design and specifications subject to change without notice for improvement.
* La présention et les spécifications sont susceptibles d’étre modifiées sans préavis par suites d’améliorations éventuelles.
* Anderungen, die dem technischen Fortschritt dienen, bleiben vorbehalten.
SYSTEM 8
TW ew eR:
SYSTEM a
SYMBOL OF FUNCTION
POWER AMP
INDICATOR
POWER SUPPLY
SELECTOR
FIXED PARTS
PROTECTOR
(k)
(n)
(m)
(o)
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aul
.
SYMBOL
4
Ceromic
(BP) Bi-Polar Electrolytic
©im) Mylor
DB —Non-Inflommable Resistor
D Cement Resistor
RESISTORS.
Are in ohms, 1/4 Watts, +5 % Tolerance
Unless Otherwise Noted. k:kQ,M: MQ.
CAPACITORS
Are in pF, Unless Otherwise Noted. P: pF
Electrolytic Copocitor
Copocitonce (pF) / Volt (V)
Each D.C. Voltage shows tne nomino! volue
in volts at no input signal.
during recording
SYSTEM A
oS le~h oL OFF = 2. ON
SYSTEM B
oSlo~d =, OFF 2. ON
METER RANGE
oS2a,b I. xd 2. 101
103,4
£06
£07
£01,2,3
407
ICI
2RLI
mol
m02
mat
ma2
m0Z 12
nlc
oz I
2SC1845(F)
2S0600K(E,F)
2SB631K(E,F)
2SC3855(P,Y)
2SA1491(P,Y)
STK3082-3
[M5218P
NJM4558D
2SC1740S(R,S,E)
2SC2603(E,F)
L2SC2458(Y,GR)
f2SAINIS5(E,F)
2SA1048(Y,GR)
L2SA933S(R,S,E)
28C2857(D,E,F),2SC1473 (Q,R)
2SA992 (F,E)
fIS1588
IN4002
TA7317P
fDHI2D2-0S l2v
LG5R~-2282P l2v
KBPC602
KBPO2
2SC3243(D,E)
2SA1283(D,E)
05212 (Y,Z)
IR2E29
0523.0 (X,Y)
nlo-9 SEL3813A
Signal Line
-—— aa: NF.B. Line
2SA992_ = 2SA1306
2SA1248 2SA1306A
2SA1283 2SC3298A
2SA1284 2SC3944A
2SC1845
2SC2857
ece
2SC3855
2SA1491 2SC2458
bcd
28C2921
2SA1215
2SA933_ TA7317P
2SA1048
2SA1115
2SC1740
2SC2603
p08
STK3082-3
1
1R2E2900O 5
M5218P
NJM4558D
Dot or Slit or Line
181588
182473
10E2
1N4002
1N4148
f
0523.0 4
05212
10

101 0107 kOe] 0)
7. MAIN PARTS REPLACEMENT
A. Bonnet (Fig. 7-1)
1) Loosen two Screws @) fixing the Bonnet.
2) Lift up the Bonnet to remove.
B. Bottom Plate (Fig. 7-2)
1) Loosen Screws @ @ fixing the Bottom Plate.
2) Lift up the Bottom to remove.
C. Side Panel, Left (Right) (Fig. 7-3)
1) Remove the bonnet and Bottom Plate.
2)
Shift
the
position
of
the
Side
Panel
2.0cm
in
the
arrow
direction
@.
3)
Remove
the
hooks
of
side
panel
from
front
panel
and
them
pullit
the
arrow
direction
@
to
the
Side
Panel
Left
(Right).
Fig.
7-3
4)
Lift
up
PCB
guide
©
of
the
Front
Panel
Assy
to
pull
out
the
PCB
(Fig.
Front Panel
7-4).
[oem
SS
et
ww
Fig.
7-1
Side
Panel
(L)
Front
Panel
‘
Bonnet 7
ye Rear Panel
&
Fig. 7-2 Fig. 7-4
60)
>
i
ront
Pane
Bottom Plate |
ft :
Ve Rear Panel /
11

SERVICE MANUAL
SUPPLEMENT EDITION
SANSUI
NOTE
.
aa
This
edition
is
supplement
for
B-3000/1000
Service
Manual
previously
issed,
and
applies
to
all
B-3000
;
and
B-1000
with
NEW
SANSUI
MARK
on
the
front
panel
For servicing, please refer to this edition together
R 3 O O QO with original B-3000/1000 Service Manual.
=
STEREO POWER AMPLIFIER
NOTICE:
Since the circuits of motor drive contrrol and protector section employed
in B-1000 (CSA*EU and SEV) are similar to those of B-3000,the schematic
diagram of those circuits are omitted from this manual,therefore please
refer to the schematic diagram of B-3000,
CAUTION
1.Parts identified by the AA symbol on the schematic diagram and the parts list are
critical for safety. Use only replacement parts that have critical characteristics
recommended by the manufacturer,
2.Make leakage-current or resistance measurements to determine that exposed parts
are acceptably insulated from the supply circuit before returning the appliance to
the customer.
NOTICE:
1 The symblos, UL,CSA,SS,EU,SEV and XX ¢EXPORT> on the parts List mean followings respectively,
UL -+eee Manufactured for U.S.A market .(Underwriters Laboratories approved model)
CSAs +++ Manufactured for Canadian market, SS cereres Manufactured for Saudi Arabia market,
EU sseee Manufactured for European market. SEVe-:+++++: Manufactured for Swiss market.
XX (EXPORT) «+--+: Standard Version. NON MARK:-++----+ Common Parts.
2 0n the parts list, the changed parts are specified by “#” mark on top of the Parts No.
sammie aaa i

ee
|. OTHER PARTS
Parts List <Top View>
Parts No. Stock No. Description
1 84512000 Side Panel,Left for B-1900
84512000 Side Panel,Left for B-3000
(XX *CSA+SS}
84519800 Tey Panel,Left for B-3000
UL
2 84514000 AC Cord Holder
A #3 83001800 ie Supply Cord for B-1000
XX
A? 83020000 Power Supply Cord-polar ized
(XX *CSA)
ay 83003600 Power Supply Cord for B-3000
(UL)
AN # 83000600 Power Supply Cord for B-1000
(EU+SEV)
a 48837700 Power Supply Cord (SS)
& 4 83004100 AC Outlet (XX-*SS)
aN 83002200 AC Outlet-polarized
(XX -UL*CSA)
aA 5 83011509 Power Transformer for B-1000
(XX+SS)
a tt 83011503 ‘esa Transformer for B-1000
CSA)
aA t 83046905 Power Transformer for B-1000
(EU SEV) :
A 83011609 Power Transformer for B-3000
(XX+SS)
A 83011602 Power Transformer for B-3000
(UL+CSA)
aA 6 48175200 Plug,voltage selector (XX+SS)
7 83002300 8P Terminal ,SPEAKERS
8 84507500 HS Cover for B-1000
(CSA+EU+SEV)
84507500 HS Cover for B-3000
9 83003900 2P Terminal, INPUT
10 84512100 Side Panel,Right for B-1000
84512100 Side Panel,Right for B-3000
(XX«SS+CSA)
84519900 “00 Panel,Right for B-3000
UL
il 07255000 Fan for B-1000 (CSA-EU-SEV)
07255000 Fan for B-3000
12 83020800 DC Motor for B-1000
(CSA*EU+SEV)
83020800 DC Motor for B-3000
47878000 Sleeve,Fan for B-1000
(CSA+EU+SEV)
47878000 Sleeve,Fan for B-3000
SANSUI ELECTRIC CO., LTD..
SANSUI ELECTRONICS CORPORATION:
SANSUI ELECTRONICS G.M.B.H.:
SANSUI WKS RAMS tt
(SM 2-65)
Parts List <Front View>
Parts No. Stock No.
1 84503300
37503201
# 37503101
# 37503102
3 83002600
4 84508800
5 83004500
6 84508900
7 83004700
8 84567000
9 48113300
aA 46612900
10 84505100
46425800
12 84527700
Description
Bonnet
Front Panel Ass’y for B-1000
Front Panel Ass’y for B-3000
(XX°SS)
Front Panel Ass’y for B-3000
(UL+CSA)
Jack ,PHONES
Knob, METER RENGE
Push SW,METER RENGE
Knob, SPEAKERS
Push SW.,SPEAKERS
Knob, POWER
Push SW.,POWER for B-1000
Push SW.,POWER for B-3000
Spring,POWER
0 .0luF 400V C.C.
Leg
2. PACKING LIST
Stock No.
1 84521900
2 84519200
3 84560400
4
Parts No.
#
# 84560300
84522000
Description
Styrofoam Packing (Front)
Vinyl Bag
Carton Case for B-1000
Carton Case for B~-3000
Styrofoam Packing (Rear)
3. ACCESSORY LIST
Stock No.
# 84453100
# 84453200
# 84452800
Description
Operating Instruction for
B-1000 (E+F+S-1)
Operating Instruction for
B-1000 (G+Sw)
Operating Instruction for
B-3000
i
E,F,S,1;
English,French,Spanish
and
Italian
Version
G, Sw
3 German and Swedish Version
14-1, Izumi 2-chome, Suginami-ku, Tokyo 168 Japan
PHONE: [phone]/ TELEX: 232-2076 (international Division}
1250 Valley Brook Ave. Lyndhurst, N.J. 07071 U.S.A.
17150 South Margay Ave. Carson, Califorma 90746 U.S.A.
3036 Koapaka Street. Honolulu. Hawaii 96819 U.S.A.
Paut Ehrlich Strasse 8. 6074 Rodermark 2, West Germany
BRR BAZ at E FOR 2-14-1( F168)
Printed in Japan
(1988 .04 .M)
<Stock No .36538300>