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
6 3
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.
6
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6-1.
B-3000
*
La
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et
les
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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