Sansui S-X1200 Service Manual

SANSUI
S-X1200
SX900
SYNTHESIZER STEREO RECEIVER
CAUTION
SERVICE MANUAL
1. Parts identified by the Z\ symbol on the schematic diagram and the parts list are
critical for safety.
Use only replacement parts that have critical characteristics recommended by the
manufacturer.
2. Make leakage-current or resistance measurements to determine that exposed parts
are acceptably insulated from the supply circuit before returning the appliance to
the customer.
eSPECIFICATIONS
<§-X1200 >
Audio section
Power output
Min. RMS, both channels driven, 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 0.018% at or below
rated min. RMS power output
load impecance.............. 4~16 ohms
Input sensitivity and impedance (1 kHz)
PHONG ssucicscididesaeesn 2.5 mV/47 kohms
CD: TAPE PLAY acceso 150 mV/47 kohms
Frequency response (at 1 watt)
ey Aen Tor 10 to 70,000 Hz,
+1dB, —3 dB
Signal to noise ration (short-circuit, A-network)
PHONO watoaceccs canst 73 dB
Cd) TAPE: PLAY assctce: 95 dB
Controls
BASS taacatsodaracinbaseseeeute +8 dB at 50 Hz
WISE EE scaes ce ccesteacatacusies +8 dB at 10 kHz
LOUDNESS 4: cc24- onto +8 dB at 50 Hz
(VOLUME: —30 dB
position) +6 dB at 10 kHz
FM section
Tuning range...............0. 88 to 108 MHz
Usable sensitivity
Mono IHF ..........2.cs00 10.8 dBf (1.9 pV: T-100)
50 dB quieting sensitivity
SICKO). ceeionectiisciind 37 dBf
Signal to noise ratio (at 65 dBf)
SLE PEO si chaliedtenvadeeecncdel 70 dB
Distortion (at 65 dBf)
SIO LEO scuidcaiereseeens less than 0.2% at 1,000 Hz
Stereo separation ............ 40 dB at 1,000 Hz
AM section
Tuning rangeé................... 530 to 1,600 kHz
Usable sensitivity (Loop antenna)
Bee etna Geaee ue seraaee ease eat 52 dB/m (398 pV/m)
Signal to noise ratio........ 45 dB
Others
Power requirements ........ 120/220/240V
50/60 Hz
For U.S.A. and Canada
1a dud ap hacntnautanededeasay totes 120V (60 Hz)
Power consumption ........ 420 watts 530 VA Rated
Dimensions ..................... 448 mm (17-11/16") W
156 mm (6-3/16") H
428 mm (16-7/8") D
Weight cconecesnccivas 14 kg (30.9 Ibs) net
16.3 kg (35.9 lbs) packed
* Design and specifications subject 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 »