Pioneer Stereo Receiver FW User's Manual
Contents
1. LEFT CH TAPE REC 2 2 6 1019 9 9 TAPE REC 1 TTT PREQUT MAIN IN TAPE MON 2 TAPE MON 1 Ven AUX RESISTORS 2008 i 10 VAW TOLERANCE UNLESS OTHERWISE NON MARK OHM iC KILOHM MEGOHM MES CAPACITORS PRONO E NON MARK MICRO FARAD PICO FARAD THER SWITCHES i A PHONO 1 7 IN AF UNIT PR 7 Zeg SWITCHES LOW FILTER OFF ON B DC CURRENT AT NO INPUT SIGNAL RE S INPUT SELECTOR S OUTPUT SELECTOR HIGH FILTER 0 Y DC VOLTAGE AT NO INPUT SIGNAL k AM 1 POWER OFF FM MUTING ON OFF VO DC VOLTAGE AT MAXIMUM OUTPUT 2 FM MONO 2 SPEAKER A AUDIO MUTING OFF ON 2048 COD SIGNAL VOLTAGE AT BQ IkHz 3 FM AUTO 3 SPEAKER OFF LOUDNESS OFF ON 4 PRONO 1 4 SPEAKER B TAPE MONITOR I OFF ON 5 PHONO 2 5 SPEAKER A B TAPE MONITOR 2 OFF ON 4 6 MIC 6 SPEAKER A C MODE STEREO MONO 7 AUX i 15 sze 16 20 9 4 4 70 2018 18 Medos 0 920 1 LI 6710 48 0 00 f Japjoy asny 900 6 182908 ajeos erp 404 dwe 31084 00 6 NIT 40399uu09 49 o T epp 0 900 8 0 00 9 yoe 642484 o ul 0 9ZO Z LA Hoef SauoudpseH 0 920 Qv v yous snd 104 094 0 80 21 183505 49589 E2. 50 05 ALY uoqie AOL wli 89 AOL UOQJEJ ALY 5 5 My wji 50 HEE Uoqued WEE 080 065 UOQJEJ OEE 980 399 Wil UOQ189 49S uoqie ON ued 81018018259 8 689 7 1 71065 IN LEE TNfSOL 71593 0 5 0 0 0 587 08 SdhQU SdhQH 54 08 SdhQH Sd 0Y SdhQH SdhGH 988710 807 011 494 0 000182 wits 001462 uy tuj 9 73 30 90 ON Ed 9022 ACE 255 EOL ALZL ALEE ALEE ALOL 3101 8001 v32 3 VINOO VWOO 15099 75093 18099 45899 33 AST AOS AOS AOS NOS AOS AOS AOS NOS ASC 0 OEZ 911410419813 00 0 dej AA 00 0 191 JB AJ 48 W doce 2 0 012 9055 94018102 69 9001 91116182 82 9001 30 O 01 2641645913 92 SHOLSIS3H 4001 vao 95 0L 3 93 dLut vao ASL Lv 9141019913 vd 33 Lv 21319439913 83 vao AOL zz 9nA 0412813 22 4022 v32 AOL ec 9I IO112913 O ON ued 00150152590 1090 8 5 09413 3 LINN 0311
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8. Re tune generator and receiver to 1 400kHz Adjust trimmers of tuming capacitor indicated in Fig 3 to obtain maximum VTVM reading Loop antenna AM Signal generator Release from chassis Ferrite antenna FM AM UNIT 13 9 PACKING METHOD AND PART NUMBERS ACCESSORY BOX AHC OO O SIDE PAD R AHA 013 A SIDE PAD L AHA O 2 A CARDBOARD PROTECTOR AHB OO6 O PACKING CASE AHD O70 A KUW AHD 07 I A FVZW AHD 07 1 A Fw 14 SX 727 A 10 SCHEMATIC DIAGRAMS PCB PATTERNS AND PARTS LIST 10 1 UNIT CONNECTION DIAGRAM AND MISCELLANEOUS PAF SX 727 AM FERRITE ANTENNA FM PHONO MIC AUX TUNING METER POSITION AC 1071207130 INDICATE 220 240N 8 005A S 56 60 Hz i8 it 2 FM AM 006 4 POWER 3 SUPPLY UNIT AWR 011 A T AC 120V 6082 zi IP 7 5 RIGHT CH 7 PHONO 1 SCH AA 3154 coo KER A 0 01 _ SPEAKER PHONO 2 857 MIG PAR S MIC JACK x AUX oeh 5 009 PRE OUT MAIN IN TAPE MONI 200nV SPEAKER B TAPE nn 200nV PROTECTOR T ah TERRES 24 HEAD AMP E PONER AMP Nos TAPE REG2 Ott AI E mm 30 011 KEE H Lo xl el 2 21 002
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10. Use this to plug in stereo headphones A full selection of high performance headphones is available from Pioneer BASS amp TREBLE CONTROLS Used for adjusting bass and treble Clockwise counterclockwise turning of these controls from the EEAT position will boost diminish tone Also only the left right channel can be adjusted by turning the front rear part while the other part is being heid Adjustment of both channels or only the left channel is made by click stops For normal listening set it to the FLAT position FILTER SWITCHES LOW Setting this switch to ON will eliminate low noises such as record rumble hum or other interference The switch 5 normally set to OFF unless the filter is required HIGH Setting this switch to ON will eliminate high noises such as record scratch static noise from fluorescent lamps or other interference The switch is normally set to OFF unless the filter is required Note that the switches are ON when pushed BALANCE CONTROL This knob is used for adjusting the stereo balance When the volume of the right channel speaker is smaller turn the knob clockwise toward RIGHT when left channel volume is smaller turn the knob counter clockwise toward LEFT For normal listening set it to the NORM posi tion FM MUTING SWITCH This switch is used to suppress noise between FM stations In a fringe area however this switch should be kept OF F because it may suppress the desired st
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14. Speaker Plug 6 More More than 3598 88MHz to gt 108MHz FTZ ap 86560 1 8 2 048 More than 7 an 90dB 981 0 Mod er tuning type 750 unbalanced 525kHz to 1 605k 10uV More than 75dB More than 50dB Built in ferrite loopstick antenna 120V 60Hz 0110 120V 130 220 and 240 switchable 50 60H 270W Max Switched 1 Unswite 19 in 485mm width 5 4 in 1 50mm heig 15 2 in 300mm depth 3016 14oz 14kg 3719 8oz 17kg Fuse 1 5A 5 line voltage model only 1 3A 2 Polishing Cloth 1 Operating Instructions 1 NOTE Specifications and the design subject to possible modification without notice due to improvements 2 FRONT PANEL FACILITIES SPEAKERS SWITCH A combination of the power ON OFF switch and the speaker s selector switch POWER OFF The equipment is off A The speaker systems plugged into the speaker sockets is in operation SPKR OFF All speaker systems off Useful for listening through headphones CG SA The speaker systems plugged into the B speaker sockets is in operation G mE The speaker systems plugged into the C speaker SOCkets is in operation 38 Both speaker systems A and 8 are energized ABG 9 Both speaker systems A and C are energized PHONES JACK __ rv V
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16. 2 8 6 t gt MUTING THRESHOLD LEVEL ALIGNMENT Set SELECTOR switch to FM MONO Turn FM MUTING switch to ON Connect FM signal generator to 30082 antenna input Connect AC VTVM to TAPE REC jack Set output level of generator to 25dB 20uV with 22 5kHz deviation and 400Hz or 1kHz modulation Tune receiver accurately to generator frequency Adjust VR1 on FM AM unit exactly on the borderline between muting and non muting AM 455kHz ALIGNMENT Set SELECTOR switch on front panel to AM Connect 455kHz sweep generator to pin 15 Adjust generator output level to 60dB 1mV Connect vertical oscilloscope input to either L or R of TAPE REC jack Set tuning dial to high end position Adjust cores of CF4 and T5 for maxi mum gain and symmetrical pattern on oscilloscope AM TRIMMER CAPACITORS O OE L4 T1 L3 8 7 SX 727 AM TRACKING ALIGNMENT Set SELECTOR switch to AM position For this alignment bottom plate must be installed Set signal generator to AM function 30 modulation with 400Hz Connect loop antenna to generator RF output and place near receiver s ferrite antenna See Fig 4 Connect VTVM to TAPE REC jack Keep generator as low as possible for minimum VTVM reading Tune generator and receiver to 600kHz Adjust core of T4 on FM AM unit for maximum VTVM reading then adjust core of T3 and ferrite antenna
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18. 80 uondusseg joquiAs 46 wi vice Manual ADDITIONAL INFORMATION AM FM STEREO RECEIVER SX 727 FVZW FW KCW Please note that the SX 727 PROTECTOR UNIT number AWM 027 instead of AWM 011 applies to models four versions starting at the respective Serial numbers as follows FVZW mode 1601201 FW model 1200501 KCW model 3500201 KUW model 3814301 Accordingly semiconductors used for design of the SX 727 were changed such as transistors 55 and diodes 34 in number You are requested to make use of this additional information together with the furnished service manual PIONEER P OO 61 25 3 sa 250945 H szy 1625 WE BO 2 2 81 f 5 PROTECTION UNIT AWM 027 10 10 PROTECTION UNIT AWM 027 0 SX 727 PARTS LIST OF PROTECTION UNIT CAPACITORS Description Mylar 0 056 COMA 563K Mylar 0 056 COMA 563K Electrolytic 330 CEA 331P Electrolytic 330 CEA 3315 Electrolytic 4 7 CEA 4R7P Electrolytic 100 CEA 1016 RESISTORS Description x 1 EU Carbon film 2 7k RD PS Carbon film 2 7k RD PS Carbon film 2 7k RD PS Carbon film 2 7k 8 5 Carbon film 15k RD PS Carbon film 15k 0 5 Carbon film 15k RD PS Carbon film 15k RD PS Carbon film 47k RD PS Carbon film 47k RD PS Carbon film 2 2k RD PS Carbon film 2 2k RD PS Carbon film 15k RD PS
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20. Carbon film 15k RD PS Carbon film 82 RD PS Carbon film 82 RD PS Carbon film RDXPS Carbon film RD PS Carbon film RDAPS Carbon film RD PS Carbon film RD PS Carbon film RD PS Carbon film RD 4PS Carbon film RD 4PS Carbon film RD 4PS Carbon film RD 4PS Carbon film RD 4PS Metal oxide RS1P Metal oxide RS2P Metal oxide RS2P su ussssots SEMICONDUCTORS Description 28C857K A Transistor 2SC857K A Transistor 28C945 0 or R Transistor 25C945 Q or R Transistor 2 733 or Transistor 28C945 Q orR Transistor 25C1384 R or Q Transistor 182472 Diode 152472 Diode Y 182472 Diode 182472 Diode 1 S2472 Diode 192473 Diode 182473 Diode 182473 Diode Li AF choke coil T63 009 A L2 AF choke coil T63 009 A PIONEER ELECTRONIC CORPORATION 15 5 4 Chome Ohmori nishi Ohta ku Tokyo Japan U S PIONEER ELECTRONICS CORPORATION 478 Commerce Road Caristadt New Jersey 07072 U S A PIONEER ELECTRONIC EUROPE N V Noorderlaan 83 2030 Antwerp Belgium COPYRIGHT AUG 1972 PRINTED IN JAPAN
21. Set SELECTOR switch on front panel to FM MONO 10 11 8 4 150kHz Adjust generator frequency and tuning dial to 90MHz During the following adjustments keep the generator output as low as possible Adjust L4 core first the adjust cores of Li L2 L3 for maximum reading on VTVM and so that tuning meter indicates center position Fig 3 Set generator frequency and tuning dial to 106MHz Adjust trimmer capacitor CT4 first then adjust CT1 CT2 CT3 for maximum reading on VTVM Repeat these alignments several times until satisfactory reading is obtained Finally adjust T1 core for maximum reading on VT VM FM MPX DECODER ALIGNMENT Set SELECTOR switch on front panel to FM AUTO Connect RF output of FM multiplex signal generator to 300Q antenna input Adjust MPX generator as follows Signal Mode Deviation L R 40 5kHz 19kHz pilot 7 5kHz Connect AC VTVM to TAPE REC jack on rear panel Set generator signal mode to L R sub adjust core of T6 located on FM AM unit to obtain maximum reading on VTVM Set generator signal mode to L Adjust VR2 located on FM AM unit for mini mum crosstalk on R channel TAPE RE output Set generator signal mode to R Repeat above adjustment for minimum crosstalk on L channel i 150kHz Fig 1 Center frequency 10 7MHz 150kHz Center frequency Zero axis 150kHz i Fig
22. lt R42 239 0 gt Manual AM FM STEREO RECEIVER SX 727 KUW FVZW FW NOTE MODEL SX 727 COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS rear panel KUW 120V only FVZW 5 position selector FW 5 position selector Type UL approved U S A FTZ approved West Germany General export model mover PIONEER eege SX 727 CONTENTS 10 SPECIFICATIONS a ER ESSI Ba 1 2 FRONT PANEL FACILITIES 3 3 CONNECTION DIAGRAM 5 4 BLOCK DIAGRAM 7 5 DISASSEMBLY 5 1 Wooden case 6 6 6 6 99 555 5 5 98 5 6 92 Sew 9 5 2 Bottom plate u ee 55 5 9 5 3 Frontpanel rete 6 566 6 9 6 8 5 5 5 G km eee 9 6 PARTS AND PCB LOCATION 10 7 DIAL CORD STRINGING 11 8 ALIGNMENT PROCEDURE 8 1 Required instruments 66 12 8 2 FM10 7MHzalignment 12 8 3 FM front end alignment _ 12 84 FM MPX decoder alignment 12 8 5 Muting threshold level alignment 13 8 6 AM 455kHz alignment EE 13 8 7 AM tracking alignment 13 9 PACKING METHOD AND PART NUMBERS 14 10 SCHEMATIC DIAGRAMS PCB PATTERNS AND PARTS LIST 1
23. 0 1 Unit connection diagram and miscellaneous parts 15 H 102 FM front end 6 6 23 10 3 FMAM unit hh re 24 eea 30 E 105 Headampunit 4 4 4 4 32 406 AF anit FAR Eege EE Gh 34 i 1 10 7 Power amp unit EN 5 2 DER ORES 38 f P 10 8 Power supply anneer eenn 42 19 0 Protector ENEE H 1 SPECIFICATIONS SEMICONDUCTORS FETs 4 10 6 Ag 4 POWER AMPLIFIER SECTION Music Power Output IHF Continuous Power Output kHz each channel driven Continuous Power Output 1kHz both channels driven Power Output in the Range of 20Hz to 20kHz both channels driven Harmonic Distortion Intermodulation Distortion Power Bandwidth IHF Frequency Response Input Sensitivity Impedance 1kHz continuous power output Speakers Damping Factor PREAMPLIFIER SECTION Output Voltage Harmonic Distortion Frequency Response input Sensitivity Impedance 1kHz for rated output Recording Output BASS Control TREBLE Control LOW Filter HIGH Filter Equalization Curve Loudness Contour Muting Hum and Noise IHF Transistors 56 Diodes 37 195 Watts AQ 122 Watts 852 69W 69W 44 48W A8W 882 50W 50W 452 40W 40W 8Q 37W
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25. 1992513 LINN 4v 1317 318 0 0 SX 727 0 0 0 7 7 0 810 DSV 0 L0 9SV 0 0 610 0 7 7 0 07 UDIIMS usng 90315 ysng 1 5 USNd 1211MS ysnd 00317551517 00317591974 yoyims ysng 05517558057 5 5 95 95 vs LS ON Med ON Med FECL 0 INFPOL 0 SdhdU Saray Sd au reee 844018 FLEE FLEE 54 0 40938515081 10351500841 40 515064 JOJSISUEJ 134 134 80130142590 53171911115 5 10 3 35151355 9 40 351513255 89 40 89 4O 6 H919 A OEASZ HD 10 06 0 ACL ACL 400 L 00 OLD HOLT ACE 65 055 OEE 005 09 wijls 3 Uti 9 wiji 411 uw 4 UOG182 3 3 ON Hed uondioseg 7 0 99 71 99 558 558 581 58 r OL 99 71 99 INE PSL 7 50 reot 599 599 599 599 rest res 50 60 rest res feel 21 501 reo 558 f 8 reo Sd aud Sd ay 9809 59 08 847 08 8870 5470 58 08 588710 SdhGH SdhQH Sd AQH 8808 SdhGH 5470 Sd AQH SdhGH SdhQH SdhQH SdhQGH 54 1 545014 54408 SdhQH S
26. 37W 89 Harmonic Distortion less than 0 5 Less than 0 5 Continuous power output Less than 0 03 892 24W 24W power output Less than 0 5 Continuous power output Less than 0 03 80 24W 24W power output 1082 to 60kHz 8 Harmonic Distortion less than 0 596 THz to 80kHz 8 500mV 50k2 4 to 169 40 853 1kHz 500mV Rated output 4V Max Less than 0 1 10Hz to 20kHz 1dB PHONO 1 MAG 0 PHONO 2 MAG 3mV 50kQ MIC 2 765 6072 AUX 200mV 100k9 TAPE MONITOR 1 2 200mV 100k22 TAPE REC 1 2 Pin jack 200mV TAPE REC DIN connector 35mV 10dB 10dB 100Hz _ 10dB 10dB 10kHz 8dB 50Hz 6dB oct 9dB 10kHz 6dB oct PHONO RIAA S T D 10dB 100Hz 6dB 10kHz with Volume Control set at 40dB position 20dB PHONO More than 85dB AUX More than 95dB FM TUNER SECTION Frequency Range Usable Sensitivity IHF Capture Ratio IHF Selectivity IHF Image Rejection IF Rejection Spurious Rejection AM Suppression Signal to Noise Ratio Harmonic Distortion Tuning Indicator Muting Stereo Separation Sub Carrier Suppression Antenna Input AM TUNER SECTION Frequency Range Usable Sensitivity IHF Selectivity IHF Image Rejection IF Rejection Signal to Noise Ratio Antenna MISCELLANEOUS Power Requirements Power Consumption AC Outlets Dimensions overall Weight Without package With package Furnished Parts FM T type Antenna 1 Pin Plug 2
27. 70 UOQ182 589 0 g9 wji uoqie PEEL 0 1 PETE SAYQY 4 15099 9001 31018483 75999 dozz 31418199 75993 9055 opweg VWOO tro 1981 VINOO 0 4B W ON Med 0 168 827 84 01 MZ 0 PEEL 9071019 AZ 50 FEEL 8 08 AZZ 4 4 0 807 0 WL uy 4 9390 SHOII2Vdv2 SOL Sd QH WE 40940 Ly ON Hed uondaoseqg joqui s LINN H3MOd dO 5 1 SLYVd E SX 727 0 020 LE 0 y90 HNV 0 90 HNV ON Med dees ON 20 0 apo Q apop 7 8pOIp 18 82 401SISUB4 40391901841 40 915 941 403915 841 40851558411 40351531941 385208 40351981843 48 01 1865 juis 5 911 uis 189H 00150140990 VE AS VE AS Z ZLSI OEL ZM OEL ZM 6 9 1 679VSZ 34 eQS G Zv9vsc Q Lv9vsc 0 joquiAS SH3H1O ON Meg 980 ASHO AGHO 989 rio rio 001 riot 558 558 555 rzec 599 599 ACZL 85418 9914 891 8918 54509 Sd QU 58710 Sd AQH 5440 SdhQU SaZdd Sd au 54 0 847108 di SH PETERE ON Hed JOJSISUEJ 40851901911 401515 841 JOJSISUEJ Joysisues 40351511841 40551900841 401915 841 30351900941 40353190811 9 40 0 LOSZ 910 0 9 052
28. 8599 40 OU 0 gt 11 9994 pue sseq 40 gou 80 7 epou pue siaxeads 40159 5 _ eouejgd euinjoA 493 qouy 0 900 V VV Butun 40 0 7 7 Buiun y 0 900 MV V 49900 eubis 0 4 A sse 49301901510 0 6 0 5vv 868 0 00 09 6988 00 ped do L 0 900 8HV J0128104d 0727 V LO VHV 8 ped epis V CLO VHV 1 ped apis V LLO QHV 8583 8 1 394 0 ad l 1 AS 0 9t08dV suononasu 6 1384900 0 3 VE esn 9 0 Bnid uid 8 00 22 Bnid sayeadg 84 69 p4oo 0 0 OV 84 LB 85883 U8POOM 311 0 MAIS ls ON Hed 03860 joqwA 0 0 4 11 49 60 5 8 6 8 83 8 xonsdooj 8311184 49 0040450643 15 04 S4HOLIMS 30010 920 6 1 0 920 0 LS0 L LV 86 40193198 16916 0 416138188 0 00 0 458 V LL0 8SV uonduoseg BuipunodB HOF Me 10118 0 920 1 L5 oi Dong 0 100 H3V 40198195 36610 9 7 V G00 L6M 19905 leSs 918 403 EJ 63 NIG 401200000 dg oel euoudoia W 0 95 5 3 39 59 0 9988 0 8Z0 Z 3 185205 49 6909 0 00 dXV S 39 1 70 84805 6 7 49199 94090 v n end 0 3 59015992040 10 VE ANA 03 ceo soo 91 3 0 100 13V 10169 WesBoid 46 dwe 3011 0 3 183841 101 04
29. 96115 UO11d119se 600 8 HOLIMS CE UOQJEJ 3001 wji ALZ uoqieg 00t LZ Ut 473 001 WH 5 ON Hed CS SHOLSIS3H OS MEOL 09 DEOL VAUD VIUDO JAN 5 90150192590 061 SdO1SIS3H dej A J8 AUN 09 0 AOS 10 0 ON Meg joquiAS SHdOLI5vdv2 LINN HO dO 1SI1 SLHVd 00 0 87 0 LINN HO JO 4917 SARNA SANA ORI AOS AAA AAA NOOO ASAS ASAS 300033 C ir q 256081111710 6 2K EZ Ze rj c ta 002 HEAD AMP UNIT W21 002 10 6 HEAD AMP UNIT W21 Ci 0012 R9522K Ci40 0033 WODNO 32 SX 727 nl OD ri O a a ON Heg 7 152 0 7156 54408 INEZ Sd QH 77255 7 525 54 0 TNFEZZ SdhQH INT PLE 548408 SdhQH INTEL SdhGH INTEL Sd1 QH 7 80 58 08 7 50 4 5 INEZA 54070 70255 Sd GH 7 655 Sd au 28 0 10299 Sd Qu 11599 SdhGU 40851908141 03589119441 JO35ISUBJ 30881981841 40935158841 10381800841 9 10 77 9 10 87 9 10 8 189 9 10 8 77 3 10 840789 0592 3 40 8 1812 uondioseq wi NEL 941 9 HET 41 uoque5 AZZ uoqueg AZZ uoqieo Acc uoqie 046 Wh
30. B S LOUDNESS 5 PHONO 2 5 Ss L W FILTER 6 MIC 6 HIGH FILTER 1 AUX q AC Sa AUDIO MUTING FM Tt LL POWER SUPPLY U AWR 011 ES vm CY pens SHS 181 SI 08 1 IL y 135 A r3 Q 04 dA 8 8 BEN NM A A O ca to 5 POWER AMP UNIT PROTECTION UNIT AWH 011 AWM 011 007 9 _ ass aW SX 727 5 DISASSEMBLY 5 1 WOODEN CASE Remove the 4 screws from the side of the wooden case Pull the case backward off from the receiver housing See Photo 1 5 2 BOTTOM PLATE The bottom plate can be removed after loosen ing the 8 screws See Photo 2 5 3 FRONT PANEL Pull of all knobs then remove nuts and washers from shafts and remove 2 screws from top of front panel as in Photo 4 The front panel can now be removed Photo 1 Photo 2 Photo 3 Photo 4 6 PARTS AND PCB LOCATION CAPACITORS ACH 014 0 POWER TRANSFORMER Wes ATT 050 0 Kuw ATT O5 O PORE FVZW FW RELAY PROTECTOR UNIT ASR OO O AWM OLI O CAPACITOR CR UNIT AWX O14 A KUW FVZW AW
31. EOL 30 10 0 21016102 2501 8595 00 910J8407 08 1 VSOO doly 108 109 MEOL 100 4191 08 dibti vao to 2 A 0412813 09 260 OILUEJ87 9L 8001 v35 01 2040432813 XEOL 9 1070 90 20 LOO 5 49 NOEL 15000 dal 21U18192 50 0 LO 0 KI 3 2200 0 LOO 21816492 08 2680 3 5 21U18122 09 Z 0t dACDIO 00 21118193 91 1 v32 001 2 1 012923 09 260 3 0 3 Jue 95 2 0 LvO O 5 0909 2601 09 10 0 390 ZEOL 019 100 339 2601 3 0 21U18182 divy 33 tro IN AJO 733 2600 3AG39 100 21 09 4010 3 L 9 41 45913 95 4 33 3 410 2913 09 256840 3 doce 21U18122 09 0 v32 sn AJO108 3 SHOLI v 09 NLL 9 do y NWBIOD JVdvo ON Hed 10170149580 ON Hed 80870150590 joquiAS LINN 40 1511 SLHVd E RASTAS ra PAT A A ia RR Se cs ra ia 27 20 8470 XE ZLo 54 0 00469 89 SdhQH 9 595 54 0 AGL 44113 49 4 FLEE 54 0 Ott 4 5 PEEE SdAQH wj 0 54 0 03 1 65 0 83 91111 070 SX 727 90 563 8 06 9 1 498 26 8 00 pextj 1was KEE Te ON Med uonduosog freee T
32. EZZ 7 fLOL 01 49492 FOL UOQIEJ PETC 900018 vogseg 58404191531 199 0 8 Sardy 9 68 30 20 11 9 501 Sa GH XL 4113 0 09 Mii 9 90 210181489 POH 9L 3 LV 211 10110313 ELI 09 50 40 00 31018180 ELI 09 MEOL 9 00 3101818 0 501 SdhQU ME UOQ4B2 099 99 UH 9 f 0L 54 01 AOL Wil 221 84 08 ASL UOQ4EO We 09 OS MZZL 51000 del Ain 0 2 09 MZZL VINOO 2000 81 699 09 2 0 00 91118482 892 9L WZHZ vsso zz 2841642913 92 9 WcHZ 2 zz 9nA 04129 3 992 LY uoqieo PLEC 54 0 OEE 0115999480 PEOL AL 8 94 FOL 54 0 8 i001 9 FLEE Sd QH OEE 080 QL dLOL 33 001 211 10112813 993 09 98 91 93 OS MEBL 9 4B W 92 OS 910 81 99 09 d bH vaa t 4 3 190 8070 01 0113499580 EZ8 0 uj Sd QH AGL un FEEL 5470 EEN FLEE 54 09 OEE 1 OS ALEE BAGNO doce 2141819 099 V LLO GLO 00 0 104438 695 09 0 v39 L 9n4jo128 3 882 91 WEHE ee 2nAj04120 3 93 09 MEOL
33. H3V 00 6 8 00 6 Buipuno4B 40 Masog Snid 40339195 aB 1IOA 7 7 383908 91893581810 104 dwel 30114 NIG 10138uu09 dG 0 vz0 1 0 920 C 0 820 ZLA 0 200 dAV v 610 123 xoef euoudoaonw yor seuoudpear 189905 1exeeds 19 0 OY 94609 0119930940 104 90 991 00 3 003 0 03 81015095040 10 VE 574 E 9 9977 401831 1 8480461 104 00819130114 491941 104 duej 50119 91995 perp 404 04181 3514 20 JO e 0 100 8XV gi SETA SSB 4apjoy 6 83 8 21 5000 9634449 4 0 0 0 Asse 53585 8 0 OC LO ININV 8589 Asp jaued 14014 Mun xoq duse Hun HO uun Ajddns samog Hun 101991044 0 21 0 910 4 0 0 LLO AMV V 0L0 3MW V z00 L M Vv SL0 3MV 0 9t0 LLM n 4950 Hun Aw Hun due peer HUD NY WA pue 34 43 IN uondioseg SH3H1O a e Sd1 QH wg 99459 540 8948 MS 091 918 MS 091 SdhQH ASL 54 08 ASL wji uoqie9 PUNOM PUNOM 040 709 00 ON Hed 190104492 23H 404 Hed 04170014920 0 TW ze ILON ASIMHJHLO N 1 8493 000 3 21 10459918 911181602 09010908950 91711043991 3 an 3 91410439813 d 031 014 3SIMHSHLO 883 A NI SHO LIOVdVO ON Hed M4 103
34. X 017 0 Fw FM AM UNIT AWE OI5 A ACH OO C FERRITE LOOPSTICK ANTENNA ATB OOB O KUW T42 025 0 FVZW aW FW POWER AMP UNIT Ax AWH OI 1 0O POWER SUPPLY UNIT HEAD AMP UNIT AWR OI1 O W21 002 A OUTPUT SELECTOR AF UNIT AWK OIO A 29 9 FVZW FW ASA 027 0 KUW 10 SX 727 1 Set the tuning capacitor to maximum capac 1 itance 2 Tie one end of the string to dial pulley 3 Wind the string turns around the tuning i pulley i 4 Pull the string around the small pulleys A i and B then wind it 2 turns around the tuning 1 shaft 5 Lead the string around the small pulleys C and D then fasten string to the dial i pointer 6 Lead the string around the small pulley 7 Finally tie the end of the string to remain P ing side of spring on the tuning pulley E 8 Tune receiver to low end Fasten dial E pointer to string so that it indicates low end E on dial 90816 DIAL POINTER E St I 1 1X turns in g i arrow direction i 1 t DIAL PULLEY 11 gt 8 ALIGNMENT PROCEDURE The following alignments are required only in very rare cases and should never be attempted without the proper test equipment Also only non metallic tools must be used 8 1 8 2 10 11 12 8 3 12 REQUIRED INSTRUMENTS S
35. an work separately Use these jacks to make a multi amp systeml with an electronic crossover net PHONO 1 PHONO 2 4 rei UN SEN ele MAG MAG AUX REC PB N 000 BAL GND A E Rage AM ANTENNA i GROUND Connect to ground terminals of turntables tape decks etc 120V Model 3A 5 voltage Model 110V 12093 130 1 3 220V 1240 CORD 1 5 SPEAKERS SPEAKERS 8 SPEAKERS 4 BLOCK DIAGRAM FM ANT FM AM UNIT AWE 015 1 1 1 lt l FM FRONT END W11 045 KUW FW m AWB 006 FVZW AM FERRITE ANTENNA x 8 s Ory N E EGET LCR UNIT MOS AWX 014 KUW FVZW Loo od AWX 017 EW TAPE MON 2 1 TAPE REC 2 Bi TAPE MONI e TAPE REG 11 6 15 PE s o _ AN WEE AET PHONO 2 x PHONO 1 ds 2 ES E MIC RI DIN CONNECTOR KZ PHONO 1 wae S PHONO 2 OG i 5 7 pes Om 50 AGNAL DEIER 7 HEAD AMP UNIT 1 21 002 1 UND TAPE REC 1 a TAPE MON 1 TAPE REC 2 Ze TAPE MON 2 z T S INPUT SELECTOR S OUTPUT SELECTOR IN AF UNIT 1 AM PONER OFF S TAPE MONITOR 1 2 FM 2 SPEAKER A S2 TAPE MONITOR 2 3 FM AUTO 3 OFF Sa MODE 4 PHONO 1 4
36. ation signal at the same time Note that this switch is OFF when it is pushed and ON when released AUDIO MUTING SWITCH In position ON switch pushed the volume will be attenuated by 20d8 Push once again to restore the volume to its former level SIGNAL METER This meter indicates the optimum tuning point for AM and FM stations When the needle deflects 88 the ia to the right the station has been properly tuned in x 5 FM TUNING METER U When tuning in an E 10nd r EM stereo broadcast this meter should be used to make the tuning perfect After the desired station has been properly tuned in with the SIGNAL METER adjust the TUNING KNOB so that the needl c m s to the center FM STEREO INDICATOR This lamp will light when an FM stereo broadcast is tuned in TUNING KNOB Used to tune in th desired station ET 120 9 109 VOLUME CONTROL The volume increases when this knob is turned clockwise LOUDNESS SWITCH When listening at low volume level set this switch ON position This emphasizes the extreme ends of the sound spectrum giving a more natural sound contour TAPE MONITOR SWITCHES 1 and 2 These switches re set to ON for monitoring of a recording in progress or playback of recorded tapes with tape decks Note that the switches are ON when pushed 1 This switch is set to ON for using a tape deck plugged into TAPE 1 MON ja
37. cks and TAPE 1 REC jacks or TAPE REC P B connector 2 This switch is set to ON for using a tape deck plugged into TAPE 2 MON jacks and TAPE 2 REC jacks NOTE For phonograph records ar broadcasts leave these switches in OFF position If the switches are set to ON no sound will be heard MIC JACK Accepts the plug of the microphone Use a suitable microphone with a 1 4 in 6mm standard plug SELECTOR SWITCH Choose the program source AM AM reception FM MONO FM monophonic reception only FMAUTO FM reception with automatic switching for either stereo or monophonic programs 7 PHONO 1 For playing records on a turntable plugged into the ie PHONO 1 jacks PHONO 2 Same as above for PHONO 2 jacks M C Microphone sound can be reproduced AUX oo For playing signals fed to the AUX jacks MODE SWITCH STEREO Normal stereo when the switch is not pushed MONO Monophonic play with left and right channel input signals mixed and reproduced from both channel speakers SX 727 3 CONNECTION DIAGRAM ci ci c PRAYER TAPE DECK FM OUTDOOR NTENNA 3 w LINE LINE n i mee ee OUTPUT _ i SIE 2 m t i m i NS 1 INPUT PRE amp MAIN PLUGS When these plugs are unpluged the pre amplifier and power amplifier c
38. d4GH 54 0 SdH SdhGH 59 08 8 Sd4QH 584408 84 08 54514 H HOSE 1021 4096 5099 1 8 00L 001 099 5099 HOE L KOEL AOL AOL 099 19 S 199 199 AGL AGL AL AL AGL AGL ASL AL 301 AOL eg 178 30L 411 6 00111499490 00182 4 4 90 wits 9 LOQUE 00113099490 wits 490 uj 090 99480 4 480 wijt 3 0411 UOques 411 00462 wit 9 wijt 99590 wijt 90 3 9 LOGIES wily 193 1 09490 UOQJEJ 4 OSH 6 9vu StH vu v Ltd opty 65 SEH LEH 928 OCH veu ECH LEY OEH 6 SCH OCH SCH 558 ced 6 81H ON Hed uondioseg JOQUIAS TASAS AE SAS RENCORES A 10 8 POWER AMP UNIT AWH 011 9 658255 9 e p GU 0 0014 d 10A 0VWV4 01311 MUVHNON gt 0 Wa MUVANON 0 W 48071 M WHO XUVWNON 9801 51538 THIS 5 RA 8 azi 05 001 0 ny OLB 860042 mr ANA meme v
39. t 9070 810 120 59 08 AL un 180 Sd u 0 PELT Sd au ALS 4 4 1 01 0 89 Sdau CE 041699 7765 54 0 4 58 Sd GH 81 115 uoqie 0 54 0 8 5 89 555 AWTS 80 90 84 0 uoque 555 54 0 HEE 9 4 54 08 up UOQJEJ fiL 5170 OLY wuj 000 SdH Up 01 00L ON Med 0 oN Meg 90180150590 SX 727 V 820 tZ L V BZO VEL 0 y00 N LV 0 t00 NLV 0 9Z0 8 1 8 EZ0 9 1 8 00 3 LV 8 t00 g1v V 00 8 v 009 4 0 003 ON Hed V C00 31 V 0 100 3 1 V 0 L00 41V 0 00 3 1 V HOO yoyo 1109 9 4 183114 189 ZH BE 48211 189 ZH ABE 4904404504684 XdW 1109 261 18UU10JSUEA 9 NV d8UIIOFSUEN DSO NV 493 035 8 4 4H NV 39449394845 390 Na 59034939084 Buruoie g 5830 049001 8 ANY S1109 49811 21008482 NV 491 2 8393 Wa 49311 549 8483 181113 91548490 Wd ON Meg 10150153590 1005 58831114 9 10 4 1 0 80910 4 881 via 99 10 4 ELO 99 10 L 3 8811 2 toqwAs 86 ON ued 88 10 L AS 88151 92010 80 8080 90 90010 90251 9 10 8815 0010 L Wd 88181 90010 L Wa 1 9
40. t ALSL 8918 MS OGL PUNOM 6H f 8L ABL 00 8H 8 8 8 08 8L 115499450 Lu 0 y00 29SM IEUIU1291 2 3 8 10 punodwog OW W 754 34 OLON 3SIMH3HLO SS31Nn MY 95 NI 000 SHOLSIS3H V 100 30V Jaded 0 00 rO 21L18182 9 WLEE 1 211410012813 OL 933 31410110913 09 250 5105 I 09 ZEOL 09 91118382 SH3WNHO4SNVHL ANY 57103 2 L00 HOV 3641602913 Q vVLO HOV 3 6013 0 0 on 3 Q 0 0 vZ L VOD CC 48010358194 uneg 0 800 81V 93 8 oiis doo 3114184 0 090 L1 35 8 48 01 OWE 00170159590 RA joquiAs 0 L00 HSV ejeu V L10 8SV 211M 10198198 T aes E 477 d 0310 1 3SIMH3H O 8537010 4 NI 10 131 ANY SIHOLIMS lz abed ee pepou Ma 104 61 98989 a 4 z lt 9 3poui MZAJ 404 seBed 64175010103 se syed 5 pia 1U81911ID 90005 58871810084 AAJ 10 MZA SUL Jepoui MOM eux 104 st 35 sed 9101 ALON ON Hed 0 6 SLHVd 8003111133810 E a SA Z Z 0 061 60104048 punoJB dp 0 pupua puu lu y 0 900 85I V Pua 34 1 pigog Buus 00 do 0 7 IEU101121 ONOHd 94800 J80101491 3ndu 49 0 u211MS ysnd 103 219941 PUE
41. weep generator Center marker fre quencies 10 7MHz 455kHz Oscilloscope AC VTVM AM FM signal generator FM multiplex signal generator preferably with RF output FM 10 7 MHz ALIGNMENT Confirm B voltage and current for 12V 1V which should be 46mA to 50mA at pin 4 Disconnect leads from pins 22 input and 24 then connect resistor 2 2kQ as shunted to pin 24 of FM AM unit Connect 10 7MHz sweep generator to pins 22 hot and 23 ground of FM AM unit Set controls as follows Center frequency 10 7MHz Output 550305001 Connect vertical scope input to pin 24 Align core of T1 for maximum gain and symmetry to obtain scope pattern as in Fig 1 Raise generator output gradually to 80dB 10mV repeat step 5 realignment for each output level if necessary Disconnect one side of C23 Disconnect oscilloscope and resistor 2 2kQ from pin 24 Then reconnect lead to pin 24 Connect scope input to pin 9 Set generator output back to 55dB 500uV Adjust bottom core of T2 for maximum gain and linearity Adjust top core so that center frequency mark is located on zero axis as shown in Fig 2 Reconnect C23 Reconnect input lead to pin 22 FM FRONT END ALIGNMENT Confirm B current drain 11mA 4mA Connect FM signal generator output to 30052 antenna input Connect AC VTVM to TAPE REC jack on rear panel Adjust generator for 400Hz 100 modu lation
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