Sansui A 1200 R Service Manual

Page 1

A-1200R/1100R

OSPECIFICATIONS

A-1200R
Power output
Min. RMS, both channels driven, from 2010 20,000 Hz,

INTEGRATED DC SERVO with no more than 0.07% total harmonic distortion

125 watts per channel into 8 ohms

STEREO AMPLIFIER Power requiremems

Power voltage,.,,.,..,.... 120/120/240V (50/60 Hz)
For U.S a Canada
...... 120V (60 HZ)
A" "I I / Power consumption 360 watts 470 VA Rated
Dimensions 430 mm (16-15I16') W

112 mm (#7/16') H
250 mm (9-7/8') D
Weight ............................ 7.4 kg (16.3 lbs.) net

A-1100R
Power output
Min. RMS, both channels driven, from 20 to 20,000 Hz,
with no more than 0.07% total harmonic distortion
100 watts per channel into 3 ohms
Power requirements

Power voltage ............. 120/220/240V (50/60 Hz)
For U.S A. & Canada
.I 120V (60 HZ)

Power consumption 350 watts 450 VA Rated
Dimensions.........,..,. 430 mm (1615/16') W
112 mm (+7/16') H
250 mm (9-7/8') D
Weight ............................ 7.2 kg (15.9 lbs.) net

A-1200R/A-1100R
Load impedance .............. B to 16 ohms
Total harmonic distortion
CAUTION .................................. less than 0.07]. at or below
1. Parts Identified by the A symbol on the schematic med min. KMS power output
diagram and the parts list are critical for safety. QM" PM" 3 i w)

, . .................................. S to 60,000 Hz
Use only replacement parts that have critiwl charac- +1 dB, -3 d8

teristics recommended by the manufacturer. RIM curve devi (PHONO, 20 Hz to 20 kHz)

- ,. +05 dB, -o.s dB
2. Make leakagecurrent or resustance measurements hp", ".4..."

to determine that exposed parts are acceptably in- (1 kHz, for r ed power output)
sulated from the supply circuit before returning the PHONO --------------------- 2-5 "V/7 kithmS

(Max. input capability; 120mV at 1 kHz, less than
appllance t0 the customer. 0.1% total harmonic distortion)

TUNER, CDIAUX, TAPE

PlAY .......................... 150 mV/3O kilohms
Output level (1 kHz)

TAPE REC ................... 130 mV into 47 kiiohms
Signal to noise ratio (short-circuit, A-network)

PHONO ..................... 72 dB

TUNER, CD/AUX, TAPE PLAY

............................. 95 d8

~mamwanonummmmnmmmuimeaiulm
We.

- DuetoloullamandmhfionIJNcunltloldlnnomuusuIml
equippd with variable mm nknon.

Satmu'.
SANSUI ELECTRIC CO., LTD.

Page 2

A-iZOORii 100R

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 U.S.A market.
(Underwriters Laboratories approved model.)
CSA ............ .. Manufactured for Canadian market.

. Manufactured for South African market,

. Manufactured for United Kingdom market.

. Manufactured for European market.

. Manufactured for Australian market.

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 numbers are not
indicated at the ends of the board names. However, the individual
parts on the circuit boards are provided by orders.

3. Since some 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. : Metalized Paper Capacitor
N.I.R. : Non-Inflammable Resistor P.C. : Polystyrene Capacitor
A.R. : Array Resistor GC : 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
EB. : Bi-Polar Electrolytic
Capacitor

O