_ OPERATING INSTRUCTIONS & SERVICE MANUAL
Contents
1. n OPERATING INSTRUCTIONS amp SERVICE MANUAL SOLID STATE MPLIFIER SA SU 101 SANSUI ELECTRIC LTD OPERATIONS Congratulations you are now the owner of a new Sansui AU 101 control amplifier manufactured by Sansui the world s forem ost audio only specialist The AU 101 incorporates many of state of the art features of the more powerful Sansui AU 555A including an all silicon solid state design professional arrangement of controls and a satin black control panel Like all other AU series amplifiers the AU 101 s tonal quality has been perfected and proved not only by precision electronic meas uring instruments but also by repeated listening tests in a wide variety of environments These manual and operating sheet have been prepared to guide you in operating and caring for your AU 101 correctly Please read them carefully and retain for future reference RECORD PLAYER Listening toa Record 1 Set the SELECTOR switch to PHONO 2 Make appropriate settings of controls on the record player 3 Adjust the BALANCE control for equal sound from both right and left speakers 4 Use all other controls and switches according to your personal taste and room acoustics TUNER Listening to a Radio Program 1 Set the SELECTOR switch to AUX 2 Use tuning controls to reach the desired station Make appropriate settings of controls on the tuner 3 Adjust the amplifier2. 3300 0111331 102 R842 a 0111331 Coos 0 0220 20 250V 0605227 52 0 6 Tape Monitor Switch 1170060 53 Loudness Switch 1170060 S4 a b Speaker Switch 1170090 55 Power Switch 1190011 Too Power Transformer 400 5467 4000800 01 002 AC Outlet 2450010 1601 Socket marked TAPE MONITOR 2430050 on the front Panel Fool 2A Power Fuse 100 120 0430131 1 5A Power Fuse 220 240V 0430021 Power Fuse Holder 2300060 Foo4 2A 0431840 Foos 2A Wired in Fuse 0431840 Foos 1A J 0431820 6 3V 0 25 Pilot Lamp 0400090 Accessories List 1 OPERATING INSTRUCTIONS amp SERVICE MANUAL OPERATING SHEET uz aso POLISHING CLOTH QUICK ACTING FUSES 1 5 Design and specifications subject to change without notice for improvements C0002 Sere ranean cree Too1 R841 842 Coos J801 S4 a b PLoo1 R629 S3 a b Rasai 2 5 1602 jai R630 R632
3. vi 0012 0004 wa se II YR xs TREBLE s ty VR ms 55 VR 97 BALANCE Ax G Fi 1 att REC ar eee Gh abe 0 DOP with GRAV b AAW ypas LAVU 1170 1 Keng 45 220 DALY aed ee gt Or s y fata 1946 4 7 CAPACITOR SYMBOL MYLAR 5 lt GREEN ii Ny A CERAMIC type Connection ES 3 5 r supply circuit ES S power suppl GRAY 7 VIOLET plaid ELECTOR SW 6 SPEAKER SW aA A r I i ON 2 2 PHONG 2 OF 3 GRAY 08 giak 0 4 5 aS MON ITIR SW Ss POWER SW WY WIRED IN FUSE 4 IMET SOV t nd Ca LIVE SS LA I JF Mer s VOLTAGE ADJ Pular GN BLUE 4V OZSA _ PL oes BLUE JA BLACK fet Ke A VIOLET a eee Ving diik 2 ner Pak a g 3 0 oak Brow 7 D an 5 2 CSA Connection Of the AC Supply Circuit X atred in Fuse i Sess al tn PRINTED CIRCUIT BOARDS AND PARTS LIST W Parts
4. 0101563 18 R705 S Q 0101563 1 C Cos ae ba ee 0512100 B 0 02247 0601227 20 560 0101563 R706 56 0 0101563 18 0512100 C718 0 022 4F 0601227 20 R os 3 9k O 0101392 18 707 4700 0101474 1 ae 10 so v CC 0660680 I 2 Cris 0 22 0601228 10 R406 3 900 0101392 1A R708 4700 0101474 IC 1 C608 68 77 0660680 C720 0 22 uF 0601228 10 Rso7 3300 0101331 28 R709 0191102 Coos el 0512100 1B 508 3300 0101331 1A R710 10 KW CR 0101102 18 10 uF 0512100 TR 0 25C871R E F 0305474 5 1 R o9 180k 2 0101184 2 R711 3300 0101331 1 C Cai 4 7 uF 0512479 1 2 602 25 871 F i 0305474 5 Reto 1800 0101184 2 R712 3300 0101331 18 12 12 Be 0512479 2 2SC871 F 0305471 2 3900 0101394 TA R713 560 0101542 C613 seize 0601127 28 604 25 871 F 0305471 2 1A R 2 3900 0101394 R714 5 6kQ 0101562 1 0 012 uF 0601127 2A TR701 25 8718 E F 0305474 5 1 Rots 6800 0101681 2B R715 1AN 0101123 20 Cas 0 004 510 50 V 0601406 2A B 2 25 8718 0305474 5 saon 519 CR 0101681 1 R716 IAN 0101123 2D 0601406 2A Reis 5 80 0101682 2A R717 180 0101182 10 220 109 50 V 0660221 2A Sila
5. No X Parts Name Y Stock No 7 Position of Parts a MAIN AMP BLOCK lt F 1302 2 w x y Z w X y Z 2 2 2k0 0101222 2A 6 3 V EC 0510470 2 R802 2 2kO 2 4 47 uF ae HOOK 0101104 2 2 2 50 0660101 804 10080 C816 100 gt Raos 2700 ene feei 35 V EC 0549004 gt C R806 27050 2C Cais 1000 uF 22000 8 Cais 0 047 uF 2 _ 0657473 28 R808 220k 2B 2A R809 1 80 0101182 2 i XA 495BL 8 D 0300161 2 3 R810 1 8kQ 2C TR802 2 R811 1500 2 TR8o3 2A R813 1250 2 TRaos CDC8000 1 B 0305691 2 18 814 12kQ 2 TR806 1 Rais 6 80 0101682 2B 807 2SA678 5 0300290 1 1 2 R816 6 8 109 KW CR 2 CDC9000 1 0300201 809 1 2200 0101221 ni 818 2200 25 1060 0305711 2 R819 0101107 28 TRat 20 2B C TRa12 R821 3 3k 0 28 R822 3 3k Q 0101332 10 0 1 00310680 25 2200 SV 02 0310490 R826 2200 R827 270 i 1 28 28 272 1 5A Quick Acting Fuse 0430101 x R829 2200 1B j 101221 R830 2200 9 R831 100 R832 100 EC 0101100 R833 100 R834 100 1B C R835 0 50 1 R836 0 50 20 2W 0152508 R837 0 50 1A R838 0 50 1 R83
6. to the proper voltage of the new area To change remove the cramp from the back panel remove the plug from the voltage socket you nave been using and plug the arrow head into the appropriate voltage requirement of 100 117 220 or 240 volts Quick Acting Fuses If after the POWER switch is turned on and the power indica or lights up neither channel operates or only one operates normally is either because one or both quick acting fuses have blown In this case remove the line cord from its a c outlet and remove the bonnet from the chassis to check to see if the fuses are blown If the fuses are faulty replace them with identical 1 5A fuses supplied after finding and eliminating the source of trouble that caused them to blow The trouble is probably by short at the output circuit or excessive input fed into the input circuit Outlets The AU 101 is provided with two A C outlets on its rear panel One outlet marked SWITCHED is switched on and off by the POWER switch on the front panel Caution The maximum capacity of this outlet is and the other marked UNSWITCHED is 150 Never use either beyond their rated capacity The voltage supplied by the AC outlets is the same as the power supply voltage used DISASSEMBLY PROCEDURE SPECIFICATIONS REMOVING THE FRONT PANEL BONNET AND BOTTOM PLATE Shield Cover Screw for Fixing Woodcase Panel Screw SPECIFICATIONS P
7. 9 pee 28 10 W 58 0111471 R840 4700 2 2 V Real 2000 B 1032021 2 Y R802 8 1 2 1000 pF 50 V EC 0549104 2A ool r 50 0650103 2 0515109 74 a 1 50 V EC a 0515479 28 C804 4 7 pF 2 805 47 pF 2A V 0660470 Cas 5 10 50 V 2 16 V 0512100 Caos 10 2 4 16 0512101 2 Caio 100 pF 2A 2A ae 25 V EC 0513101 12 100 uF 2 _ _ _ _ _ CR Carbon Resistor OC Capacitor SR Solid Resistor CC Ceramic Capacitor CeR Cement Resistor MPC Metallized Polyester MC Mylar Capacitor Capacitor EC Electrolytic Capacitor PRINTED CIRCUIT BOARDS AND PARTS LIST W Parts No X Parts Name Y Stock No Z Position of Parts EQUALIZER TONE CONTROL BLOCK lt F 1303 gt w o Y Z w x Y z w x Y z w x al 10 KW SR 0111152 1D R701 274 0101273 28 C ta 0515109 C713 0 002 0603206 20 2 200 0111222 18 R702 27kQ 0101273 28 1 uF 0515109 1A 0 002 uF i 0601206 20 220 0101222 R703 220 0101222 2 68 pF i 0660680 C7is 1 0 020 0601207 110 220 0101222 R704 2 2 0 0101222 1 28 T10 0660680 0 02uF 10 50 V 0601207 10 560
8. OWER OUTPUT RECORDING OUTPUT MUSIC POWER IHF 50 at 4 ohms load TAPE pin 200 saw ohms TAPE RECORDER DIN CONTINUOUSE POWER j LOAD IMPEDANCE EI to 16 ohms onms TOTAL HARMONIC DISTORTION in b less than 0 8 at rated output POWER BANDWIDTH IHF 25 to 40 000Hz FREQUENCY RESPONSE at normal listening level TREBLE a te eo e Edi LOUDNESS CONTROL 8dB at 50Hz 3dB at CHANNEL SEPARATION at 1 000Hz rated output 22222 better than 45dB SWITCHES AUX SELECTOR MIC PHONO AUX HUM AND NOISE IHF TAPE MONITOR SOURCE PLAY BACK PHONO better than 65dB SPEAKER ON OFF AUX barrar When SEMICONDUCTORS Transistors 18 Diodes 4 INPUT SENSITIVITY at 1 000Hz rated output POWER REQUIREMENTS PHONO 3mV 50 ohms POWER VOLTAGE 100 117 220 240V 50 60Hz MONO 4mV 50 ohms POWER CONSUMPTION 30W rated AUX 200mV 50k ohms DIMENSIONS 407 197 115mm 4 H TAPE MON pin 200mV 50k ohms 278 101557 0 TAPE RECORDER DIN 200 50k ohms WEIGHT 5 9kg 13 lbs SCHEMATIC DIAGRAM rt 1303 _ F 1302 2 __ 8009 16 256106000 a t 7 TR to Fates prey aa 1 t TSA X R 5 5 0 Fy DOK a i 44 4 Ste a Rey eOK _ Keng IBA
9. s front panel controls and switches according to your personal taste and room acoustics MICROPHONE Use high impedance 10 kilo ohms or more dyna mic microphones for optimum performance Operation 1 Set the SELECTOR switch to MIC 2 Use all other controls and switches according to taste and listening conditions TAPE DECK Recording on Tapes 1 Set the SELECTOR switch to the program to be recorded 2 Make appropriate settings of controls on the tape deck Listening to Tapes 1 Set the TAPE MONITOR switch to PLAY BACK 2 Make appropriate settings of controls on the tape deck 3 Use the amplifier s front panel controls and switches according to your personal taste and listen ing conditions Tape Monitoring Monitoring is possible only with a tape deck which has its own playback preamplifier as well as separate recording and playback heads To monitor proceed in the same manner as indicated in the section entitled Listening to Tapes NOTE 1 Tape decks referred to in this section include only those with built in playback preamplifiers 2 Tape recorded sound cannot be controlled by the switches and controls on the front panel of the ampli fier They control sound from the speakers only MAINTENANCE Wire Connections When connecting tape decks record player or other components to the AU 101 be sure to use shielded wire The use of an ordinary cord or vinyl wire may cause humming and bu
10. wd Selector Switch 1 4 3 1101240 2 Rs16 6 800 i 0101682 2A R718 1 8kQ 0101182 10 C618 0 033F 10 50 V MC 0601337 2A 7 10080 0101104 28 R719 2 700 0101272 1 20 C701 Gia ea Wee 0660151 28 Rois 100k 0101104 R720 2 740 0101272 2D C702 150 pF 0660151 2B Reis 470 0 0101474 28 0 02zF 0601207 2B R620 470 0101474 2 701 702 2506 8 2 Volume Control 1010610 28 C704 152 a 0601207 2B For Service Manuals Contact R621 220kQ 0101224 2B VR703 704 100kQ A x2 Treble Control 1010600 20 i C708 50 v 0515109 MAURITRON TECHNICAL SERVICES Rez 22000 0101224 2 705 706 100k2 A 2 Bass Control 1010600 20 I C706 0515109 1B 8 Cherry Tree Rd Chinnor R623 180 0101183 28 VR7o7 708 100k 0 H8 Balance Control 1010590 2 47 uF 0510470 2 Oxon OX9 4QY 624 180 0101183 2 C710 47 pF 0510470 1B i Tel 01844 351694 Fax 01844 352554 Rea 18k2 0101183 2A Coos 470 uF 35 EC OS 144714 10 ea 50 v Email enquiries mauritr Rezs 47050 0101474 2 Coos 470 pF 25 V 0513471 1 28 i 0515109 1C enq mauritron co uk 1 OTHER PARTS AND THEIR POSITION ON CHASSIS X Parts Y Stock No W Parts No X Y R625 47700 0101474 R626 47050 i 0101474 R629 22050 0101224 1 R630 22050 0 ER 0101224 R631 100k 0101104 R632 10050 0101104 R84
11. zzing The length of the shielded wire should be shorter than 5 feet Be sure that all lead wires between the amplifier and components are properly connected If the con nections are loose or in touch with other parts the amplifer will not function properly may pickup noise and even breakdown over a period of time Also be sure to read the manufacturer s instruc tions for any component before connecting it to the AU 101 The shielded wire is made up for use as illustrated below CONNECTING SHIELDED CABLE TO PIN PLUG REMOVE PIN a PIN PLUG PIN JACK CUT OFF EXCESS REPLACE COVER _ AND SOLDER 124 Power Fuse Should the amplifier fail to operate and the power indicator fail to light up when the POWER switch is turned on the probable cause is either a power stoppage or a blown fuse To check remove the AU 101 s line cord from a c outlet turn the fuse holder on the rear panel counterclockwise and remove the fuse If it is blown replace it with a new glass tubed fuse of the same capacity 100 117 2 220 240V 1 5A after determining and eliminating the trouble source that caused the fuse to blow Using wire or a fuse of a different capacity as a stop gap measure is dangerous and should be avoided Voltage Adjustment This plug has been set to the voltage of your area prior to shipment Ifthe amplifier is ever moved to an area with another voltage requirement this plug must be changed
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