Sansui A-X950 Service Manual

SERVICE MANUAL
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MINI COMPONENT SYSTEM
<INTEGRATED AV SURROUND AMPLIFIER>
Organization of System Component
System Name Amplifier Tuner CD Player Cassette Deck Speaker
MC-X950/X950L A-X950 T-X950/X950L. CD-X950 D-X950 S-X950
CAUTION
1. Parts identified by the 4\ 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.
1. Some printed circuit boards are not supplied assembied. CR. : Carbon Resistor E.B.L : Low Leak Bi-Polar
To separate these in this service manual, the stock numbers are S.R. : Solid Resistor Electrolytic Capacitor
not indicated for these boards. However, stock numbers for
Ce.R.
—: Cement Resistor Ta.c.
: Tantalum Capacitor
individual parts are indicated.
M.R. : Metal Film Resistor
F.C. : Film Capacitor
2. The symbols, EU, EG, IPT, SS and XX <EXPORT> on the parts
F.R.
: Fusing Resistor M.P.
: Metalized Paper
list and the schematic diagram mean followings respectively. N.ILR. —: Non-Inflammable Capacitor
BU cicsiscsstenccsssass Manufactured for European market. Resistor — P.C. : Polystyrene
EG .. Manufactured for F.R. Germany market. AR. : Array Resistor — Capacitor
IPT
.. Manufactured for Italy market.
C.C. : Ceramic Capacitor
M.M.C. : Metalized Mylar
SS... ..Manufactured for Saudi Arabian market. C.T. —_: Ceramic Capacitor, Capacitor
7
Temperature
A.C. : Array Capacitor
XX cersessseveeesnseee Standard Version. C ; hagas ;
<EXPORTS
2, roe.
ao
NON MARK ....Common Parts. Semmes D a l a l leo pests Se e m i e S lt lc
H 7 A itted f list E.L. : Low Leak Electrolytic Resistor
3. Since some capacitors and resistors are omitted from parts lists Capacitor Sw. : Switch
in this service manual, refer to the Common Parts List for
capacitors and resistors, which was issued on June 1987.
4. Abbreviations in this Parts List are as follows.
E.B. : Bi-Polar Electrolytic Chip R. : Chip Resistor
Capacitor i : Chip Capacitor
Specifications
Power output (Front channel)
Frequency response (at 1 watt)
Min. RMS, both channels driven, from 20 to 20,000 Hz, with no BS, LD, VCR........sccscsscssssssoeeeeees .10 to 50,000 Hz, +1 dB, -3 dB
more than 0.7% total harmonic distortion. 40 watts per channel BASS PREOUT .....scsssssecseessseseens 10 to 200 Hz, +1 dB, -3 dB
into 6 ohms. .
beter output (Center channel) Signal to noise ratio (short-circuit, A-network)
Min. RMS, both channels driven, at 1 kHz, with no more than BS, LD, VCR uo. essscscessseeeetseeseeees 90 dB
1% total harmonic distortion. 12 watts per channel into 6 TONE CONTROL
ohms. + 12 dB (250Hz)
Power output (Rear channel) + 12 dB (1 kHz)
Min. RMS, both channels driven, at 1 kHz, with no more than AGA ecsevee. bs RcsssstavssastecacteTrasneieccd + 12 dB (8 kHz)
1% total harmonic distortion. 12 watts per channel into 6 DELIGHT BASS
ohms, DELIGHT BASS 1 o..eeececeeeeee +12 dB (40 Hz)
DELIGHT BASS 2.0... .ecccesceeeeees +12 dB (80 Hz)
Load impedance..................:0:0008 6~16 ohms (MASTER VOLUME 30 dB)
-to be continued-