Sansui A 1230 P Service Manual

Page 1

A-1200P
CLASSIOUE A-1230P

SERVICE MANUAL OSPECIFICATIONS

A-1200P

Power output
Min. RMS, both channels driven, from 20 to 20,000 Hz,

INTEGRATED DC SERVO W*:;S°.::t;:::::h%2::r
STE REO AMPLIFIER Load impedance .............. 8 ohms

Total harmonic distortion
.................................. less than 0.05% at or below

rated min. RMS power output
- Frequency response (at 1 watt)
.................................. 5 to 60,000 Hz

' +1 d8, -2 dB
(Sllver & BlaCK one RIAA curve deviation (PHONO, 20 Hz to 20 kHz)
.................................. +0.5 dB, -O.5 dB
CquSSIQUE A. P Input sensitivity and impedance
(1 kHz, for rated power output)
PHONO ..................... 2.5 mV/47 kilohms

(Max. input capability; 120mV at 1 kHz, less than
0.1% total harmonic distortion)
TUNER, TAPE PLAY 150 mV/47 kilohms
Output level (1 kHz)

TAPE REC ................... 130 mV into 47 kilohms
Signal to noise ratio (short-circuit, A»network)
PHONO ..................... 72 dB

TUNER, TAPE PLAY.... 95 d8
Power requirements
Power voltage ............. 120/220/240V (50/60 HZ)
For U.S.A. & Canada
........................ 120V (60 HZ)
Power consumption.... 360 watts 470 VA Rated
540 watts Maximum
Dimensions ..................... 430 mm (16-15/16) W
112 mm (4-7/16) H
250 mm (9-7/8) D

Weight ............................ 7.5 kg (16.5 lbs.) net
- - n 8.1 kg (17.8 lbs.) packed
I CAUTION CLASSIQUE A4230?
. . _ _ Power voltage ................. 120V (60 Hz)
1. Parts ldentlfled by theAsymbol on the schematic Power consumption ........ 360 watts
diagram and the parts list are critical for safety. D'menswns ------- . ------------- fig mm 863154133 W
Use only replacement parts that have critical charac- 255 S: (927,811, D
teristics recommended by the manufacturer. .Weight ............................ 7.5 kg (16.5 lbs.) net
2. Make leakage-current or resistance measurements 8-1 kg 7-8 51 Padad
to determlne that exposed parts are acceptably ln- Design and specifications subject to changes without notice for im-
sulated from the supply Circwt before returning the movements , , , ,
- Due to local laws and regulations, this unit sold In some areas are not
appliance to the customer. equipped with variable voltage selectors.

Sans-cu;
SANSUI ELECTRIC CO., LTD.

Page 2

A-1200P
CLASSIOUE A-1230P

1. The symbols, UL, CSA, SA, BS, UK, EU, AS, XX and

CAUTION

XX-V on the parts list and the schematic diagram
mean followings respectively.

UL ............................... Manufactured for USA market.
(Underwriters Laboratories approved model.)

CSA ............................ Manufactured for Canadian market.

SA ............................... Manufactured for South African market.

BS, UK ........................ Manufactured for United Kingdom market.

EU .............................. Manufactured for European market.

AS ............................... Manufactured for Australian market.

XX ........... Standard Version with Inner Voltage
Selector.

XX-V Standard Version with Outer Voltage
Selector.

NON MARK ................ Common Parts.

2. Some printed circuit boards are not supplied as the assembled.
To separate these in this service manual, the stock Nos are not in-
dicated at the ends of the board names. However, the individual parts
on the circuit boards are provided by orders.

3. Since some of capacitors and resistors are omitted from parts lists
in this service manual, refer to the Common Parts List for capacitors
& resistors, which was issued on February 1983.

4. Abbreviations in this service manual are as follows.

* °Abbreviations 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.I.R. : Non-Inflammable Resistor F.C. : Polystyrene Capacitor
A.R. : Array Resistor 6.0. 2 Gimmic Capacitor
C,C. : Ceramic Capacitor A.C. : Array Capacitor
C.T. : Ceramic Capacitor, VB. 2 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

Page 10

5. OTHER PARTS

5-1. Front View

A-1200P

CLASSIQUE A-1230P

Parts List < From Vlcw>

Pans No Stock No, Descriprion Parts No. Stock No. Description
1 47867700 Knob, HlGH 1- Level, LOW F Levul 07895410 Knob, BALANCE lor quoop Black
2 48196700 10ku 18) V F1 , HTGH F Level, Model 8 CLASSIOUE A71230P
LOW F Level 13 48196400 250141 V F1 , BALANCE
3 47868710 Cursor Lover Ass v PARAMFTHlC 14 46556300 Push SW, REMOTE CONT TAPP2
EOHIGHF & LOW F PARAMETRIC E0
4 47910100 Bonnel lor A-1200P Srlvm Model 15 47803300 Knob, PARAMETRlC E0101
47910200 Borr'lel lor A-1200P Black Model A71ZOOP Srlver Model
81 CLASSIOUE A~1230P 47893200 Knob, PARAMETRIC E0 lor
5 48185810 Power Level Meler A-12OOP Black Model 81
6 48178600 Push SW , PHONO, TUNER, CLASSIOUE A-1230P
CDAUX, 1APEr1 16 47894500 Knob, SPEAKERS lor A71200P
7 7007500 Prorl Panel Assv A71200P Srlver Srlver Model
Mocel 47560700 Knob, SPEA 27007600 Frorl Panel Assv 'or A-1200P Model & CLASSIQUE A-1230P
Black Model 17 46941800 Push SW . SPEAKERS
27007900 Frorr Panel Ass'v CLASSIOUE 18 46265700 Jack, PHONES
A-1230P 19 47746800 Knob, POWER lor A 1200P SllVOl
8 4/'/61410 Knob Assy, V01 UME lor Model
A91200P Srlver Model 47746900 Knob, POWER lor A-1200P Black
47761510 Knob Ass'y. VOLUME lor Model & CLASSlOUE A-1230P
AleOOP Black Model 81 A20 48113300 Push SW, POWER lor Ar1200P
CLASSlOUE A71230P IXX~V,0L,Eu,BSl 81 CLASSIOUE
9 48171000 150m 181 V F1, VOLUME A-1230P
10 47763410 Push Knob, LOUDNESS, MUTING A 48065100 Push SW , POWER lor A71200P
lor A71200P Sllver Model (CSAl
47763510 Push Knob, LOUDNESS, MU1ING 21 47867900 Knob, HIGH F RANGE, LOWE
lor A71200P Black Model & RANGE
CLASSlOUE A~1230P 22 48196500 100m V R , HTGH F RANGE,
11 48224600 Push SW , lOUDVESS, MUTING LOW F RAVGE {1VR7,8l
12 47794600 Knob. BALANCE lor A~1200P 23 48196600 100kfl V R , HlGH F RANGE,

Sllver Model

LOW F RANGE vase.

A71200P
CLASSIOUE A-123OP

5-2. Top View

Paris List < Top View>

Pans N01 Stock No. Description Parts No, Stock No, Description
1 47809700 JOlnl Shah, Power SW, A 46161000 AC OUTLET lor 471200P lE01
2 47924100 808 Panel A>5y lLelll lor AVTZOOP A 8 48175200 Plug, VCIl TAGE SEL ECTOR lor
Sllvor Model A-1200F lXXVVl
47924200 Srde Panel Ass'v (left) for Avl200P 9 47808100 Motor Holder
Black Model 81 CLASSlOUE A-1230P 10 47808000 Molor Cover
3 47770900 Power Supply Cord Cover 11 47878000 Spacer
A 4 38004700 Power Supply Cord lor A-1200P 12 46737500 DC Momr
lXX-V,UL1 81 CLASSIOUE A-1230P 13 07255000 Fan
A 48187800 Power Supply Cord 10v A71200P 14 16406800 5P-Terminal, REMOTE CONTROL
lCSA) 15 22301510 Ground Termnal
A 46128900 Power Supply Cord lor AleOOP (EUI 16 46438100 ZPVTerm nal, PHCKO
A 38004300 Power Supply Cord lor A-1200P (BS) 17 46363700 2P Term nal, TUBER
5 46947500 8P Termrnal, SPEAKERS 18 46546800 6PrTerm nal, TAPErl PlAY, TAPF72
A 6 15021709 Power Translormer wrlh VOLTAGE 19 46371500 4P-Term rral, CDAUX, 1APE 1 REC
SELECTOR Sockel lXX»V) 20 46670600 Push SW, DECK SELECTOR
A 15021702 Power Translormer 1or 41200? 21 47923900 Slde Panel Ass'v lPrghIl lor
lUL,CSAl & CLASSlQUE Av1230P A-1200P Sllver Nodal
A 15021705 Power Translormer lor A71200P 47924000 Srde Panel Assv (Rrgrul lor A71200P
rEUBSl Black Model & CLASSlOUE A7123OP
A 7 46360100 AC OUTLET for A71200P 22 47807700 Mask Plare
[XX V,UL1& CLASSIOUE A7123OP 23 47822400 Mask Plale 110160
A 48184800 AC OUTLET lor A»1200P lCSABS} 24 47761300 Scale Plare POWER LEVEL METER