Sansui A 1100 P Service Manual

Page 1

A-1100P

CLASSIOUE A-1130P

SERVICE MANUAL SPECIFICATIONS

A-1100P
Power output
Min. RMS, both channels driven, from 20 to 20,000 Hz,

INTEGRATED DC SERVO with no more than 0.05% total harmonic distortion

100 watts per channel into 8 ohms

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)
I .................................. 5 to 60,000 Hz
+1 dB, -2 dB

' RIM curve deviation (PHONO, 20 Hz to 20 kHz)
(Sliver & BlaCK MOdel) .................................. +0.5 dB, -O.5 dB

Input sensitivity and impedance
CMSSIQCE I (1 kHz, for rated power output)
. PHONO ..................... 2.5 mV/47 kilohms

w} (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, Ametwork)
PHONO ..................... 72 dB

TUNER, TAPE PLAY.... 95 dB
Parametric equalizer
Equalizer frequency.... 70 Hz to 700 Hz
1 kHz to 10 kHz
Level variation range... :15 dB
Power requirements
) Power voltage ............. 120/220/240V (50/60 Hz)
For U.S.A. & Canada
............................. 120V (60 HZ)
Power consumption... 350 watts 450 VA Rated
Dimensions ..................... 430 mm (16-15/16") W
112 mm (4»7/16) H

250 mm (9-7/8) D
Weight ............................ 7.0 kg (15.4 lbs.) net
CAUTION 7.6 kg (16.8 lbs.) packed
1. Parts identified by theAsymbol on the schematic CLASSIQUE A4130?
diagram and the parts list are critical for safety. 50W V°'t388--~t; ------------- 33V (63 Hz)
- - 0W6! consump Ion ........ wa S
Use only replacement parts that have critical charac- Dimensions ..................... 430 mm (164 5,, w
teristlcs recommended by the manufacturer. 112 mm (4-7/16") H
2. Make leakage-current or resistance measurements . h 250k) ((2') D
to determine that exposed parts are acceptably in- was t """"""""""""""" :2 k: Elf); mi; Sgtcked
sulated from the supply circuit before returning the
appllance to the customer. Design and specifications subject to changes without notice for im-
provements.
In order to simplify the explanation illustrations may sometimes differ from
the originals.
O
Sans-11L

SANSUI ELECTRIC CO, LTD.

Page 2

A-1100P

CLASSIQUE A-1130P

CAUTION

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

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 MP. 2 Metalized Paper Capacitor
N.|.R. : Non-lnflammable 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

as

Page 4

A-1100P

CLASSIQUE A-1130P

2. INTERIOR BLOCK DIAGRAM OF IC

OSTK3102-2A (Driver Amp. IC)

5 6940 5

'LC4066BH/LC4966 (Quad Analog SW. IC)

lN/OUT E a v
sw~
OUT/IN E Eva com A
IN/OUT our/w
1. 4 a, n

OUT/IN E El CONT D 0-.
swa!
3 INIOUT E r Elm/curl
st Control
BCONYE Em E OUT/lNl D >0

13. 5 e 12
c com E BOUT/IN
Lj-swc
alN/OUT

2.3.9.10

SWC

\fm
*rfiflri

2 5 7 a I :4

W]

nu

°TA7317P (Speaker Protector IC) °NlM455BD (OP Amp. IC)

re re

Y Y 1_ 1
mg 5535: OUT -1 W 1
Power Supolv Circuit regulator 2 7
(gm/35F Delechon _ lN _ _OUT
(I . Relay 3 6
83:53? J 83cm m" 83:5" 46> +IN -IN
Circurl
IF v- 4 5 +|N
2 gm: Voltage
83 3mm 8mm mp View)
37> @ A} .3
°M5218L (OP Amp. IC)
DJ [3] l2] L4.l El lfl [ll [ii
3 2 2% 2 23 2 e +
4 < V2 (1 '02 < H r?
v - c- '1 c- - "n n e
s 2» a: a: a s
- S _. N S N
_. N
3. ADJUSTMENT (See Top View on page 9)
Note: 1) Master Volume Minimum
2) Room Temperature 18°C~28°C (65°F~83°F)
3) For this adjustment, run the unit for more than 5
minutes after the power is switched ON.
4) Before turning ON power switch, set kVRi on
F-4762 to center position.
STEP SUBJECT MEASURE OUTPUT ADJUST ADJUST FOR REMARKS
l. Bias Current Adjt Test Terminal (TP) kVRl, L-ch DC iOmVi2mV OThis bias value is con« )
L-CH < Between emitters of power (F4762) verted from current \
transistors (kQ4L & kQSL)> value into voltage by
ohms law.
2. Bias Current Adj. Test Terminal (TP) kVRl, R-ch DC lOszthV
R-CH < Between emitters of power (F4762)
transistors (kQ4R & kQSR)>

Page 11

A-1100P

CLASSIQUE A-1130P

5-2. Top View

Parts List (Top View>

mu
L L

a Wrnt'. Iii-WI" :

Parts No. Stock No. Description Parts No. Stock No. Description
1 47809700 Joint Shaft, Power SW., A 9 48175200 Plug, VOLTAGE SELECTOR (or
2 47924100 Side Panel Ass'y (Left) for A-1100P A-1100P (XX-V)
Silver Model 10 47808100 Motor Holder
47924200 Side Panel Assy (Left) for A-1100P 11 47808000 Motor Cover
Black Model 8i CLASSIOUE A-1130P 12 47878000 Spacer
3 47770900 Power Supply Cord Cover 13 46737500 DC Motor-
A 4 38004700 Power Supply Cord for A-1100P (XX, 14 07255000 Fan
XX-V, UL) 8i CLASSIOUE A-1130P 15 16406800 5P-Terminal, REMOTE CONTROL
A 48187800 Power Supply Cord for A-11OOP (CSA) 16 22301510 Ground Terminal
5 46947500 8P Terminal, SPEAKERS 17 46438100 2P-Terminal, PHONO
A 6 15020601 Power Transformer for A-1100P (XX) 18 46363700 2P~Termina|, TUNER
A 15020609 Power Transformer for A-1100P 19 46546800 6P-Terminal, TAPEv1 PLAY, TAPE-2
- (XX-V) 20 46371500 4P-Terminal, CDIAUX, TAPE-1 REC
A 15020602 Power Transformer for A-1100P 21 46670600 Push SW., DECK SELECTOR
(UL) & CLASSIOUE A-1 1301? 22 47768700 Side Panel Assy (Right) for A-11OOP
A 15020603 Power Transformer for A-11OOP (CSA) Silver Model
A 7 46360100 AC OUTLET for A-1100P (XX, XX-V, 47874800 Side Panel Ass'y (Right) for A-1100P
UL) & CLASSIOUE A-1130P Black Model & CLASSIOUE A-1130P
A 48184800 AC OUTLET for A-1100P (CSA) 23 47807700 Mask Plate
A 8 48175400 Socket, VOLTAGE SELECTOR for 24 47822400 Mask Plate Holder
A-1100P (XX-V) 25 47807800 Scale Plate, POWER LEVEL METER