Sansui S X900 X1200 Service Manual

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"5

SERVICE MANUALl

II

SANSUI

S-Xl200
S-XQOO

SYNTHESIZER STEREO RECEIVER

CAUTION

critical for safety.

manufacturer.

the customer.

1. Parts identified by the A symbol on the schematic diagram and the parts list are
Use only replacement parts that have critical characteristics recommended by the

2. Make leakage-current or resistance measurements to determine that exposed parts
are acceptably insulated from the supply circuit before returning the appliance to

OSPECIFICATIONS

Audio section
Power output
/ Min. RMS, both channelsdriven, from 20 to 20,000 Hz with
no more than 0.018% total harmonic distortion
120 watts per channel into 8 ohms
Total harmonic distortion less than (101%.: at or below
rated min. RMS power output
Load impecance .............. 4~16 ohms
Input sensiti ty and pedance (1 kHz)
PHONO .......... . 2.5 mVl47 kohms
CD, TAPE PIAY . 150 mV/47 kohms
Frequency response (at 1 watt)
.................................. 10 to 70,000 HZ,

+1 dB, -3 dB
Signal to noise ration (shortrcircuit, A-network)
PHONO .......... . 73 dB

CD, TAPE PLAY .95 dB

Controls
BASS ..... i i=8 dB at 50 Hz
TREBLE.. .iB dB at 10 kHz
LOUDNES . +8 dB at 50 H7.
(VOLUME: -30 dB
position) +6 dB at 10 kHz
FM section

Tuning range ..... 88 to 108 MHZ
Usable sensitivity

Mono IHF .................. 10.8 dBf (1.9 uV: T7100)

50 dB quieting sensi ity
Stereo ............ 37 dBf
Signal to noise ratio (at 65 dBf)
Stereo .. .. 70 dB
Distortion (a
Stereo .........
Stereo separation

AM section

Tuning range ................... 530 to 1,600 kHz
Usable sensiti ly (Loop antenna)

.. 52 dB/m (398 uV/m)

t. less than 02% at 1,000 Hz
r. 40 dB» at 1,000 Hz

Signal to noise ratio

Others
Power requirements ........ 120/220/240V
50/60 HZ
For U.S.A. and Canada
.. 120V (60 HZ)
.i 420 watts 530 VA Rated
.. 448 mm (i7~11/16) W
156 mm (6-3/16") H
428 mm (16-7/8) D
Weight ............................ 14 kg (30.9 lbs) net
16.3 kg (35.9 lbs) packed

Powe p
Dimensions .............

. Design and specifications suhied to changes without notice for im-
provements.

Due to local laws and regulations, this unit sold in some areas are not
equipped with variable voltage selectors

to be continued >

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WX 0

'SPECIFICATIONS

Audio section
Power output
Min. RMS, both channels driven, from 20 to 20000 Hz with
no more than 0.025% total harmonic distortion
80 watts per channel into 8 ohms
Total harmonic distortion less than 0.025% at or below
rated min. RMS power output
4~16 ohms
pedance (1 kHz)
25 mV/47 kohms
CD, TAP 150 mV/47 kohms
Frequency response (at 1 watt)
.................................. 10 to 70,000 Hz,
+1 (13, -3 dB
Signal to noise ratio (short-circuit, A-network)
PHONO tttttt 73 dB

Load impedance ttttt

CD, TAPE PLAY. .. 95 dB

Controls
BASS.. .. i=8 dB at 50 HZ
TREBL :8 dB at 10 kHz

LOUDNESS .

+8,dB at 50 Hz
. ......... +6 dB at 10 kHz
(VOLUME: 730 dB position)

FM section
Tuning range
Usable sens Vlty

Mono IHF .................. 10.8 (St (1.9 itV: T7100)

............ 88 to 108 MHz

50 dB quieting sensitivity

Stereo ...... 37 dBf
Signal to noise ratio (at 65 dBf)
Stereo ........................ 70 dB
Distortion lat 65 dBt)
Stereo less than 0.2% at 1,000 Hz

Stereo separat n. 40 dB at 1,000 Hz
AM section

Tuning range. .............. 530 to 1,600 kHz
Usable sensi vity (Loop antenna)

52 dB/m (398 pV/m)

Signal to noise ratio 45 dB

Others

Power requirements tttttttt 120/220/240V 50/60 HZ

For U.S.A. and Canada
........ 120V (60 HZ)
Power consump on ........ 310 watts 370 VA Rated
440 watts Maximum

Dimensions ..................... 448 mm (17-11/16) W

156 mm (63/16) H

428 mm (16-7/8) D
Weight ............................ 13 kg (28.7 lbs) net

153 kg (33.7 lbs) packed

~ Design and specifications subject to changes without notice for int.
provements.

. Due to local laws and regulations, this unit sold in some areas is not
equipped with variable voltage seledor.

NOTE
1. The symbols, UL, CSA, EU, SS, XX on the pans list
and the schematic diagram mean followings respectively.

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

., Manufactured for Canadian market.
Manufactured for European market.

SS... Manufactured for Saudi Arabia market.
XX . ., Standard Version.
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 June 1987.

4. Abbreviations in this service manual are as follows.

~Abbreviations List
C.R. : Carbon Resistor E.B.L. : Low Leak Bi-Polar

S.R. olid Resistor Electrolytic Capacitor

Ce.R. ement Resistor Ta.C. : Tantalum Capacitor

M.Fl. Metal Film Resistor F.C. : Film Capacitor

F.R. Fusing Resistor MP. : Metalized Paper Capacitor

N.I.R. Non-lnllammable Resistor P.C. : Polystyrene Capacitor

A.R. Array Resistor G.C. : Gimmic Capacitor

C.C. Ceramic Capacitor AC. : Array Capacitor

C.T. . Ceramic Capacitor, V.R. : Variable Resistor
Temperature Compensation S.V.R. : Semi Variable Resistor

EC. : Electrolytic Capacitor SW. : Switch

E.L. : Low Leak Electrolytic Chip Fl. : Chip Resistor

Capacitor
E.B. : Bi-Polar Electrolytic
Capacitor

Chip C. : Chip Capacitor