SERVICE“ MANUAL - Audioklassiks.de
Contents
1. 254756 8 AT B 25 640 2 2SC983 23 676 6 7 Hv Rug _ R 0 Ao 1 TRa os 3808 5 25 403 3 2 8 Sx a lem M 23 SWITCHED 3 T Sroa P WITCHED 8 TOTAL ISOW 2 5 2 P AC 50 8092 x 8 1 MA Model ui lt I 1 a LE EL 2 CITOR SYMBOL lt A SERAMIC MYLAR TANTALUM STYROL 78 Tha 7555 7 SWITCHES As 59 2 SELECTOR Sao TAPE MONITOR 4 CH 1 HIGH FILTER Sos o4 28 1 PHONO 2 1 OFF 1 OFF 2 PHONO 2 ON 2 lt 3 FM AUTO 2 FM TAPE MONITOR 4 CH 2 52 24 MUTING OFF Sar 5 AM OFF 1 OFF 6 4 CH AUX 1 2 ON 2 0 4 7 4 09 AUX 2 Y T LOUDNESS FM DE EMPHSIS 57 02 x FUNCTION Soo 1 OFF 1 us d 1 2 0H 2 QN 2 Sus D 2 QS SYNTHESIZER HALL 3 QS SYNTHESIZER SURROUND DIRECTION SPEAKER 4 QS REGULER MATRIX HALL 1 NORMAL 1 OFF 9 5 05 REGULER MATRIX SURROUND 2 RIGHT QUARTER TURN 2 6 PHASE MATRIX 3 HALF TURN 3 8 7 DISCRETE 4 LEFT QUARTER TURN 4 4 TAPE MONITOR 2 CH Somos LOW FILTOR 1 OFF 1 OFF 2 ON 2 ON Design and specifications subject to change without notice for improvements2. a Cxe004 p Cor 0047 amp N 9 8 gt x BS gt Re Ceng Reg 33K 8 RC 10 5 5 gt 8 gt 9 N 1 SIN S N 8 elk 0 3 2 gus 5 ad 8 gt SIN Rep OK EAN 5 Sg a 513 r Of AU Gm RS m 30 Rees 3 x o 8 7 W eR a NS o EM 3 2 D IOK 22504887 Qo 0022 0 3 580 19 8 us b 5 Ves 2528 O EO 3 REGULAR MATRIX 12 MAINTENANCE 12 1 Voltage Adjustment The Voltage Selector on the rear panel enables you to operate at correct voltage in any areas The voltage has been preadjusted at the factory but can be easily changed as follows according to the line voltage using in your area 1 Remove the two screwse securing the name plate on the unit s rear panel then remove the name plate 2 Unplug the Voltage Selector plug once and reset it so that the arrow mark on it faces the correct voltage indication Also change the power fuse when the power supply voltage has change For 100 117 volt operation use a 6 ampere glass tubed fuse For 220 240 volt operation use a 3 5 ampere one Note The Voltage Selector can be used to eliminate the trou
3. 40 Defective TR24 on F 1479 41 Defective T11 F 1479 42 Variable capacitor shorted 1 2 No change 43 Defective D07 on F 1479 44 Defective TR21 TR23 on F 1479 L 45 Defective 08 10 on F 1479 3 2 Distortion 46 Defective 006 D07 on F 1479 L 47 IF out of adjustment on F 1479 3 3 Signal meter inoperative 48 IF RF out of adjustment on F 1479 AM broadcasting sound can be heard ___49 Defective TR25 on F 1479 50 Defective 008 009 1479 51 Imperfect contact of VRO6 on F 1479 52 Defective signal meter 15 6 PARTS LOCATIONS AND PARTS LIST 6 1 F 1472A Equalizer Circuit Board Parts List Stock No 7550510 Complete Circuit Board F 1472A Parts No Stock No Description Position Conductor Side TReo1 0300410 1 25A726 2 25 1222 TR6o2 0300410 1 25 726 2 0305766 7 2 632 71 81 m TR o3 2 25 1222 F E 1 or 2 28C1313 G H PE 7 2SA632AQD 71 81 Pe EE or 281878 4 0306011 2 25 1222 3 25 632 2 2SC1313 G H 0306141 2 25 1362 71 81 TReo6 0306141 2 25 1362 71 81 3 TReo7 0300292 3 25A678 7 8 1 TReos 0300292 3 2SA678 7 8 3 B 0573229 25 TE 2 0573229 2 2 2 254726 0515330 33 F 2 REGULAR MATRIX 6 2 F 1487 Volume Circuit Board Parts No
4. iN SWITCHED UTAL 150W Sima TURN TURN SWITCHED 7004 VOLTAGE SELECTOR Ploy nog 25 711 6 2 1 57 TRn 2 25 562 8 TRrg 20 28 1000 8 25 634 6 2 BLUE V BLUE 6v PL 725 EV 220V 50 60Hz EU Model Oniy 5013 CAPACITOR SYMSOL SERAMIC MYLAR TANTALUM STYROL oor HIGH FILTER 1 OFF 2 ON FM MUTING OFF Sa 1 OFF 2 ON FM DE EMPHSIS Sor o2 755 2 Sus SPEAKER Spe ah 1 OFF 2 3 8 4 ACB eu WHITE 207 BROWN OV T WHITE SE PURPLE 215 00 5007 3302 3300 77 2 28 Cie d 50V IN34A 4450 26 Vig 33K 165 23K REGULAR MATRIX 36 11 SCHEMATIC DIAGRAM OF AUDIO SECTION 5 4 9 o s 8 E i m S Sat Ras JIK 87 Wor50KLB 5 3 2051 001252 6 1 0 Design and specifications subject to change without notice for improvements
5. 11 5 1 Troubleshooting on Power Supply Section 11 5 2 Troubleshooting on Audio Section sss 11 12 13 5 3 Troubleshooting on RF Section 13 14 15 6 PARTS LOCATIONS AND PARTS LIST 16 6 1 F 1472A Equalizer Circuit Board 16 6 2 F 1487 Volume Circuit Board 16 6 3 F 1479A Tuner Circuit 17 18 19 6 4 F 1489 Mixing Accessory Circuit 19 20 6 5 F 2048 Vario Matrix Circuit Board 21 22 6 6 F 2047 Vario Matrix Circuit Board 23 24 6 7 F 1485 Meter Circuit Board 24 6 8 F 1482 Driver Circuit 25 26 27 6 9 F 1483 Protector amp Power Circuit Board 27 28 6 10 F 1490 De emphasis Circuit Board 28 6 11 F 1488 Connector Joint Circuit Board 29 6 12 F 1486 Filter Circuit Board 29 6 13 F 1484 Tone Control Circuit Board 30 6 14 Other Parts Front 5 31 32 6 15 Other Parts Top Side 33 6 16 Other Parts Bottom 34 7 PACKING LIST 35 8 ACCESSOR
6. ELR 012 0310400 1N34A Ris 0106103 2C Di3 0310400 N34A Rig 0106103 2 0310400 N34A 1B R20 0106103 10k 2A Dis 0310400 1N34A 1B R21 0106105 IMQ 016 0310400 1N34A 1A R22 0106105 IMQ 1B R23 0106105 IMO 18 0515109 2 R24 0106105 0515109 1 ApF 28 Ras 0106472 4JkQ 0515109 12 28 R26 0106472 4 7kQ 1B 0515109 2 27 0106472 47 0 18 Cos 0515109 2 R28 0106472 47 0 0515109 1 uF 28 R2 0106822 8 2 0 1 0515109 sov 28 R30 0106822 82kQ 1B Cos 0515109 2 R31 0106822 8 2k 1 18 0515109 1AF 2C R32 0106822 8 20 Cio 0515109 TF 2 0515109 2 1032151 200 0 B 1 0515109 2 VRo2 1032151 200kQ B mp 1 0519103 047 1C VRos 1032151 20080 B 0519103 0 47 1 VRo4 1032151 200k B 24 REGULAR MATRIX 6 7 F 1485 Meter Circuit Board stock No 7591840 Complete Circuit Board F 1485 Conductor Side 2SC711 B CE 1N34A HEE Parts List Parts No Stock No Description Position Parts No Stock Description Position 0305732 25 711 F 2 15 0519103 0 47 1B TRo2 0305732 25 711 2B 0519103 20 TRos 0305732 25 711 28 TRo4 0305732 2SC711 P 2A 0106824 82050 2 TRos 0305732 2SC711 F 1C 2 0106824 82050 28 030
7. 6 13 F 1484 Tone Control Circuit Board stock 7560740 Complete Circuit Board 1484 Conductor Side 25 1000 25 493 REGULAR Parts Stock Description Position Parts No Stock No Description Position 0519101 p E A R33 0107224 22060 2 0519101 R34 0107224 220 28 0512470 2 iv Eu R35 0107222 220 2 0512470 47 1 R36 0107222 2201 5 UW CR 2 Cos 0660470 28 R37 0107183 maf 4 7 2B 0660470 47 pF VM R38 0107183 18kQ 2B 0512330 21 R39 0107472 4JkQ 2B 0512330 33 uF VT R o 0107472 47kQ 2B Cos 0519102 28 oV EG 1 2 R41 0106683 68kQ 1 0519102 3 3 F UU L2A R42 0106683 68k 1B 0600476 0 0047 2 0106394 390k O 18 0600476 0 0047 uF 2A R44 0106394 90 1B 0600826 0 0082 2 R45 0106563 5600 1B 0600826 0 0082 2 R46 0106563 56kQ 1B Cis 0600227 0 022 uF 2B R47 0106561 5600 28 0600227 5 SOV MC 2B R48 0106561 5600 2 0600227 0 022 pF 2B Rag 0106562 5 6 1B 0600227 0 022 2B Rso 0106562 5 60 18 Cio 0600476 0 0047 28 51 0106154 150kQ 1B C20 0600476 0 0047 uF 2A R52 0106154 150 P 1B 0519101 yu 0106682 5 es 1B C22 0519101 174F 77 1 28 0106682 6 8 0 1B C23 0512100 10
8. LE milliam front L ch DC OV volume VRo5 0 2 2 front L ch bias current volume milliammeter 3 4 FM IF Alignment See 3 10 10 Note 1 AUTO 6 Connection Connect the output of 2 Master Volume genescope to through 100p ceramic capacitor 3 Output lever of genescope After attenuator 7 Before adjustment turn both VRO1 and VRO2 CCW 4 Sweepwidth 1 5 2cm 150kHz VR03 CW Max and VR04 to center 5 Frequency band 9 5 11 5MHz GENE SCOPE DETECTOR PROBE BLOCK 4 7 10pF IN 1N60 o c A l MEASURE ADJusT ADJUST FOR CONDITION STEP SUBJECT S FROM TO OUTPUT 1 IF coil Output 5548 Base of TRO1 Connected TOi T02 IF wave oTurn core 06 Genescope F 1479 Point between form 1 as CCW Fig 3 10 R48 8 50 Fig 3 9 TPA F 1479 Fig 3 10 TP B i Use Detector Probe 2 Meter coil Same as above as Connected T06 07 IF wave above point between i from 2 R62 amp 2 on Set the center i 1479 of wavefrom 2 Fig 3 10 TP D with wavefrom Direct from Fig 3 9 Genescope 3 Descrimina Same as above Same as Connected 04 Max
9. 5 550 VTVM amp Pilot 19kHz Scope 10 MOD i L ch 0 R ch 1kHz 45 MOD i Stereo SG 4 Indicator 98 2 Same as Stereo indi VRO1 Lighting Point SSG Center Lighting ANT input 31dB above cator lamp i indication of Tune level FM SSG Meter Pilot 19kHz 10 MOD Stereo SG 3 8 AM IF Dial Calibration RF and Signal Meter Alignment See Figs 3 6 3 7 3 8 and 3 10 on page 10 Note 1 AM 2 Master Volume Minimum 3 Confirm start point of dial pointer before alignment 4 In case of using loop antenna increase output of SSG for 26dB than bar antenna s direct input as it attenuates input sensitivity for 26dB See Fig 3 5 5 After adjustment of signal meter confirm the meter s swing on FM If meter swang out or not enough readjust VRO2 See Page 3 8 Fig 3 5 ground GENE SCOPE N C LOC PAC SC trimmer cap M BAR aANT X LOOP ANT gt lt dodo RN REGULAR AAATRIX VRO5 Ais FM stereo QRX 5500 4 THREADING OF DIAL CORD If dial cord is or slips replace cord by following pro Length of dial cord approx 210cm 82 7 inch cedures As QRX 5500 is using 0 6mm cord please it with same type certainly gt 3turns counterclockwise I 1 How to
10. REGULAR SERVICE MANUAL 4 CHANNEL RECEIVER SANSUI ELECTRIC LTD QRX 5500 This service manual is designed for service engineers to adjust maintain and order the replacement parts of the QRX 5500 correctly When ordering the parts use the stock number and parts name speci fically referring to the Parts Locations amp Parts List For general usage and maintenance of the unit please refer to the Operating Instructions attached with the unit TABLE OF CONTENTS Section Title Page 1 SPECIFICATIONS 2 2 BLOCK DIAGRAM AND LEVEL DIAGRAM 3 2 1 Block Diagram P ER eA E E 3 4 2 2 Level Diagram e leere Ee RIPE te naa 4 3 ALIGNMENTS AND ADJUSTMENTS 5 3 1 Regulated Power Supply Board Adjustment 5 3 2 Level Meter Adjustment 5 3 3 Driver Circuit Board Adjustment 6 3 4 FM IF Alignment saus lei duoc Rena 7 3 5 FM Dial Calibration and RF Alignment 7 8 3 6 FM Signal Meter Mono Distortion Tune Meter and Muting 8 3 7 MPX Alignment 9 3 8 AM IF Dial Calibration RF and Signal Meter Alignment 9 10 4 THREADING OF DIAL 11 5 TROUBLESHOOTING CHART
11. 14W C R E L R UW CR CR E L R C R UW CR E L R UW CR CR E L R MW CR Position 1 2 18 28 28 28 28 28 28 28 28 6 28 2 2 2G 2G 2C 2C 2C 2C 2C 2C 2C 2C 2C 1 2 2C 2C 2 2C 2D 2C 2A B 20 0 00000 0 00 m gt Parts Stock Description Position R23 0107182 55 CR 1B R24 0106182 1 80 1B R25 0106151 1500 2 18 0106101 10003 155575 WW CR 18 E L R R27 0106153 15 0 18 R28 0106331 3300 1 R29 0107479 470 5 14W CR 18 R30 0113101 1000 5 JW SR 18 R31 0106151 1500 55 CR IC E L R R32 0107182 18 0 55 14W CR 1B 0106472 4 7 18 R34 0106151 1500 2 Ras 0106224 22060 55 u 2 1B R36 0106153 R3 0106471 470 1C R38 0107479 470 5 IW CR 1 Rag 0113101 1000 5 JW SR 1 R40 0106151 1500 5 CR IC R41 0107182 18580 5 CR IC R42 0106472 4750 55 MW CR IC E L R R43 0107222 220 55 14W CR IC R44 0106151 1500 R45 0106224 220kQ 5 14W R46 0106153 15 0 CR ELR 1 R47 0106471 4700 1C R48 0113100 100 55 14W SR 1 R49 0107479 470 55 J4W CR IC Rso 0106331 3300 5 gt 1c 51 0106473 UW 1 C R E L R R52 0106153 1550 1 R53 0107100 100 5 CR IC R54 0106222 220 5 CR TG R55 0106821 ELR 2
12. 5 FROM Same as Step 1 Same as above 98MHz Same as ANT input 60dB above 1kHz 100 MOD FM SSG Same as Step 2 9ame as above 88MHz Same as ANT input 10dB above 1 100 MOD SSG 108MHz Same as ANT input 10dB above 1 100 MOD MEASURE OUTPUT Same as above Same as above Same as above Same as above Same as above LO1 102 103 ADJUST TC01 TCO2 TC03 ADJUST FOR Confirm 88MHz Dial Calibration Confirm 98MHz Dial Calibration Confirm 108MHz Dial Calibration Max output Same as above CONDITION olF not repeat from Step 1 olf not repeat from Step 2 FM SSG Max indication of Signal Meter Same as above 3 6 FM Signal Meter Mono Distortion Tune Meter and Muting Adjustment See Fig 3 10 on page 10 Note 1 Selector 2 Master Volum FM SSG Pies s adheres tuy AUTO eed FEED SIGNAL MEASURE B ADJUST ADJUST FOR CONDITION STEP SUBJECT FROM TO OUTPUT 1 Signal Meter 98MHz termi Signal Meter 2 4 3 on meter oTune FM SSG Max ANT input 6648 indication of Signal 1kHz 100 MOD 3000 Meter FM SSG oBefore adjustment if pi meter swings out or enough preadjust VRO02 until
13. DC volt meter Same as above Same as above Same as above DC milliammeter Same as above Same as above Same as above rear R ch bias current volume Fig 3 4 Minimum Make the SP terminals free no load Confirm the AC Power Supply voltage After adjustment run the unit for more than 5 minutes then check and readjust necessary Room temperature should be 18 28 65 83 F for bias current adjustment MEASURE OUTPUT Speaker terminal Front L ch Fig 3 4 Speaker terminal Front R ch Fig 3 4 Speaker terminal Rear L ch Fig 3 4 Speaker terminal Rear R ch Fig 3 4 1482 FO1 Fig 3 3 F 1482 FO2 Fig 3 3 F 1482 F03 Fig 3 3 VRo3 El OA rear L ch DC OV volume rear L ch bias current volume ADJUST F 1482 VRO1 F 1482 F 1482 VR03 1 1482 VR04 1482 VR05 1482 VR06 F 1482 VRO7 F 1482 VRO8 front R ch DC OV volume VRo6 2 E front R ch bias current volume ADJUST FOR OV Same as above Same as above Same as above 25 1 Same as Same as above SPEAKER TERMINAL volt meter volt meter CONDITION oStep down meter s range accordingly Same as above Same as above Same as above Step down meter s range accordingly Same as above Same as above Same as VRo1
14. R56 0107562 5 6 1 Rs7 0107101 1000 1 20 R58 0107100 1000 59 Hw 5 0107103 1 20 Reo 0107682 6 850 10 0107479 470 10 R62 0106392 3 90 5 jW CR 2D E L R 0107683 680 5 CR 20 R64 0106102 ol 5 14W CR 1D E R s 0106102 ELR 0107100 102 1D R67 0107102 0 55 CR 1 2D R s 0107153 1550 20 Reo 0106152 1 50 2 R70 0106105 55 14W CR 20 0106153 b ELR 2p R72 0106560 560 20 R73 0107473 47kQ 2D R74 0107472 47 0 20 R75 0107479 470 2D E R76 0107104 100 0 5 CR 1 2 77 0107100 100 2D E 78 0107104 1000 2D E R79 0107221 2200 Rao 0107479 470 1 0106472 4750 5 ra 2 E L R to be continued 18 ORX 5500 F 1479A Parts List Parts No Stock No Description Position 2 0107151 1500 5 WW CR 1 2E 0106561 5600 5 CR 2E E L R R84 0107822 82kQ 52 CR 1 2E Ras 0106332 3 30 R86 0106332 3 30 2 R87 0106184 180k Ras 0106332 3 3k Q Res 0106273 27 0 R90 0106184 180 R91 0106332 3 3k 0106273 27kQ 5 CR 2E 0106332 3 3k ELR TE R94 0106391 3900 R95 0106332 3 3kQ 1 2 0106391 3900 2E R97 0106332 3 3 0106562 5 660 2 0106332 3 3 0 2 Rico 0106562 5 6 2 R102 0107103 al 28 R103 0107220 220 28 Rios 0107102 596 CR 105 0107224 zoal 1 2B R106
15. Stock Deseriptiori Position Stock No 7591850 Complete Circuit Board F 1487 Conductor Side R614 0106821 8200 3 R6is 0106563 56k 1 R616 0106563 56 0 3 R617 0106224 2200 1 R618 0106224 220k 3 R619 0106222 220 1 R620 0106222 2 2kO 3 R621 0106103 10kQ 1 R622 0106103 3 R623 0106473 470 5596 HW CR 0106473 47kQ E R 3 R625 0106332 3 360 1 R626 0106332 330 3 R627 0106680 680 1 R628 0106680 680 3 R629 0106680 680 1 Re30 0106680 680 3 0106104 1000 1 R632 0106104 100k 3 R633 0107681 6800 1 0107681 2 t5 AW CR 3 R635 0106101 1000 7 2 Ress 0106101 oa 2 R637 0107273 2750 2 1 R638 0107273 a 5 AW CR 3 0106274 2700 1 2 R 40 0106274 2700 2 3 R641 0106223 22507 X ar mp SR __ _____________ ORX 5500 6 3 1479 Tuner Circuit Board stock No 7520700 Complete Circuit Board F 1479A Conductor Side D 2SA678 25 1364 254562 25 634 25 537 25 711 2SC1000 25 403 25 930 25 738 25 1047 REGULAR MATRIX Parts No C65 C66 Ces Ceo C70 C72 C73 C74 C75 C76 C77 C78 C79 Cao C81 C82 C83 C84 Cas C87 C90 C91 C92 C93 C95 C96 C97 C98 C99 Coo C103 C104 Ro2 4 Ros Rio Rit Ri2 Ri4 Ris R17 R18 Rig R20 R21 R22 Stock No 051
16. 001 002 on F 1479 Defective on F 1479 Defective CF03 on F 1479 Defective FETO1 TRO2 on F 1479 Defective TRO5 TR10 on F 1479 Defective LO1 L03 on F 1479 Defective T01 T05 on F 1479 IF RF out of adjustment on F 1479 Defective TR11 TR12 on F 1479 Defective 06 107 on F 1479 Defective D03 D04 on F 1479 Defective VRO2 on F 1479 Defective signal meter T04 05 out of adjustment on F 1479 IF out of adjustment on F 1479 Discriminator coil out of adjustment on F 1479 Defective Tune meter Defective TR13 TR15 on F 1479 Defective TR19 TR20 on F 1479 Defective 005 on F 1479 Defective VRO3 on F 1479 Imperfect contact of MUTING switch S41 14 Symptom Check Point Cause amp What to Do 2 5 No channel separation on FM stereo broadcasting Confirm that SELECTOR switch is set to FM AUTO Confirm signal meter operates 1 Indicator lamp not lighted 31 Defective the indicator lamp PL726 32 Defective TR16 on F 1479 33 Defective 108 on F 1479 34 Defective IC03 on F 1479 35 Defective 1 for indicator lamp on F 1479 36 Defective 5 for FM stereo separation 1479 37 Defective F 1483 2 Indicator lamp lighted 38 Defective TR16 on F 1479 3 AM Section 3 1 AM inoperative 1 Interstation noise changes by touching the terminal 04 F 1479 1 1 Increase 39 Defective
17. 0106224 0106104 Description Position 25V EC 18 1004F 3B 100 F 3B bel M BEET GE 100uF 18 0 47 38 0 47 uF l 3B 25V 16 0 47 18 150 pF 150 eF 50 C C 150 pF 220 2 220 2 25V EG 1 2 10HF 2 28 25V TC 200 5 Mw 28 2 20 ELR 28 22050 2B 2200 28 100k 0 2B 100 28 22k 576 MW CR 28 22kQ 2B 2 20 28 2 2 0 2B 220 2B 2200 28 220 5976 MW CR 28 220 ELR 1 50 2 ind 5 MW CR 1 50 2 1 500 596 MW CR 2A 2200 ELR 28 2200 2 xn 5 CR 220k 0 5 CR 28 E L R 100k C 2A 1000 2 1000 2 10050 i00 5 MW CR 100 0 2 1000 2 1000 2 2 5 MW ER 2A 56 ELR 5840 5 CR el 5 MW CR 2 56 0 ELR 3A 580 5 MW CR 3A 5 k O 56 TA 100k 59 vw Cg 22900 ELR 22050 1 1000 REGULAR Parts Stock No Description Position 0107224 2200 52 WW CR R44 0106104 1000 R45 0106104 10050 R46 0106224 22050 R47 0106682 6 8k Ras 0106682 6 8k 3A R49 0106682 6 8 R50 0106682 6 8 R51 0106682 6 80 R52 0106682 6 8k 3A R53 0106682 6BKO 5576 HW CR Rs4 0106682 6 8 ELR R55 0106223 2250 R56 0106223 22k 3A R57 0106153 150 R58 0106153 15kQ R59 0106223 22kQ 3A Reo 0106223 22k 3B Rei 0106223 220
18. 27 28 29 30 31 32 Stock No Description 5176052 Jack Nut 5317642 M 2 Type Knob SPEAKER switch Hex Nut M9 Plain Washel 9 5317652 S 2 Type Knob BALANCE volume 5317652 S 2 Type Knob BALANCE volume 5317652 S 2 Type Knob BALANCE volume Hex Nut M9 Parts No Stock Description 33 Plain Washer 99 34 5317811 P 5 Type Knob LEVEL SET volume 35 5317632 L 2 Type Knob VOLUME 36 5317642 M 2 Type Knob FUNCTION switch 37 5317642 M 2 Type Knob DIRECTION switch 38 5317642 M 2 Type Knob SELECTOR switch 39 5106061 Hex Socket Setscrew X 6 40 5317780 N 5 Knob TUNING 41 Hex Nut 9 42 Plain Washer 95 43 5317811 P 5 Type Knob MIC MIXING LEVEL volume 44 5101043 Binding Head Screw M3 6 45 5101043 Binding Head Screw 6 46 5101043 Binding Head Screw x 6 47 5101042 Binding Head Screw M3X 5 48 5120141 Plain Washer 49 5101042 Binding Head Screw X 5 50 5120141 Plain Washer 3 5 5101042 Binding Head Screw M3X 5 52 5120141 Plain Washer 30 53 5101042 Binding Head Screw M3 X 5 54 5120141 Plain Washer 30 55 5101042 Binding Head Screw M3X 5 56 5120141 Plain Washer 30 57 5101042 Binding Head Screw x 5 58 5120141 Plain Washer 30 59 5101042 Binding Head Screw 5 60 5120141 Plain Washer 39 61 5308891 Smoked Plate Frame 5047680 Smoked Plate 62 7006902 Front Panel 63 7106083 Push Button POWER switch 64 6906031 Spring POWER swit
19. 5109122 5109122 5109122 5269240 5407510 5109122 5109122 5269250 7726050 0420040 4300610 4300600 5109122 5109122 5109122 5269250 0420040 7726050 4300620 5101123 6146651 5101161 5101161 5101161 5058100 REGULAR MATRIX Description Hex Nut M8 Plain Washer 85 250 4 LEVEL SET Volume Hex Nut 9 Plain Washer 99 250kQ B 4 VOLUME Hex Nut M9 Plain Washer 96 Rotary Switch Y 6217 FUNCTION switch Push Button accessory switch Push Switch 5 Stage Spacer Nut M9 Rotary Switch Y 244 DIRECTION switch Hex Nut M9 Plain Washer 9 Rotary Switch Y 7177 SELECTOR switch Hex Nut M7 Plain Washer 70 250 2 50kQ 2 MIC MIXING LEVEL Volume Hex Nut M12 Plain Washer 126 Microphone Jack Tuning Ass y Dial Pointer Ass y Pilot Lamp lead type 6 3V 75mA Dial Pointer Holder dial pointer Binding Head Tapping Screw M3 X 8 Binding Head Tapping Screw X 8 Lead Type Lamp 7V 100mA STEREO indicator Lead Type Lamp 7V 100mA PHONO 2 indicator Lead Type Lamp 7V 100mA PHONO 1 indicator Lead Lamp 7V 100 FM indicator Lead Type Lamp 7V 100mA AM indicator Lead Type Lamp 7V 100 AUX 1 indicator Lead Type Lamp 7V 100mA AUX 2 indicator Fuse Type Lamp 7V 300mA Indicator Box Binding Head Tapping Screw M3X 8 Binding Head Tapping Screw M3 X 8 Binding Head Tapping Screw 8 Stopper dial scale Dial Scale Binding Head Tapping Screw
20. M3 X 8 Binding Head Tapping Screw M3 X 8 Holder tuning amp signal meter Meter Lamp Unit Fuse Type Lamp 7V 300mA Signal Meter Tuning Meter Binding Head Tapping Screw M3 X 8 Binding Head Tapping Screw M3 X 8 Binding Head Tapping Screw M3 X 8 Holder level meter Fuse Type Lamp 7V 300mA Meter Lamp Unit Level Meter Binding Head Screw M2 6X 6 Dial Pulley Binding Head Screw M4X 6 Binding Head Screw 6 Binding Head Screw M4 X Bottom Plate 32 QRX 5500 Other Parts Top Side 1702 C702 C705 C706 C707 C708 R701 R702 R703 R704 R713 Remote Control 12P Input Terminal 0657473 0559107 0559107 0559501 0559501 0605477 0107104 0107184 0107184 0107104 0107221 Abbreviations bon Resistor d Resistor vent Resistor allized Film istor ar Capacitor trolytic Capacitor C Bi Pola Electrolytic DIN Connector L702 Top Side Parts List 5P ANT Terminal L703 C701 C702 R713 L701 701 704 Parts Stock Description p 6 15 PU701 PU Parts No Stock No Description C701 0657473 0 047 uf PU701 2410090 Voltage Selector plug 0 047 uF ti PU 702 2410080 Voltage Selector socket 10000 pF 10000 uF 1000 F 1000 pF 0 047 10060 180k4 18050 10050 2200 Capacitor o o Ceramic Capacitor Mica Capacitor Oil Capacitor Polystyrene Capacitor Tantalum Capacit
21. T C Tantalum Capacitor 20 QRX 5500 6 5 2048 Vario Matrix Circuit Parts List Board Parts Stock Description Position Stock No 7650120 Complete Circuit Board F 2048 TRoi 0305475 25 871 2B Conductor Side 0305475 25 871 F 28 TRo3 0305475 25 871 2A 0305475 25 871 2 0300470 254726 TRos or or 3A 0300410 2SA726 F TRo6 0305475 25 871 3A TRo7 0305475 25 871 Q 0300470 254726 0300410 254726 F Parts C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C604 C605 Roi Ro2 Ro Ros Ros Ro7 Roy Rio Ri2 Ris 17 Ris Rig R20 Rat R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 Stock No 0513100 0510101 0510101 0510101 0510101 0573478 0573478 0573478 0573478 0666151 0666151 0666151 0666151 0513221 0513221 0513221 0513100 0573108 0573108 0106222 0106222 0107224 0107224 0107104 0107104 0107222 0107222 0107222 0107222 0107224 0106224 0106223 0104223 0107152 0107152 0106152 0106152 0106224 0107224 0107224 0106224 0107104 0107104 0107104 0107104 0107104 0107104 0107104 0107104 0106563 0106563 0107563 0106563 0106563 0107563 0106563 0106563 0106104 0106224
22. the reason able point 2 Distortion Same as above Same as REC OUT L 705 Min distortion oSet VR04 to center above or R ch 5 Dist meter indication of Signal amp Scope Meter 3 Tune Meter Tune Meter 04 Center on o Tune interstation Tune meter noise Muting Level 98 2 Same as REC OUT L VR03 Audio signal 1 4 ANT input 2598 above or R ch just muted PUR 1kHz 100 MOD VIVM amp oTune the Tune Meter FM SSG Scope to center and set the muting switch to ON pushed out 3 7 Alignment See 3 10 page 10 Note 1 Selector 4 creer reU FM AUTO 4 Before adjustment turn VR01 CW Max VRO5 to 2 Master Minimum center 3 MUTING switch OFF pushed in STEREO SG AUDIO OSCI FEED SIGNAL MEASURE STEP SUBJECT FROM OUTPUT ADJUST ADJUST FOR CONDITION 1 19kHz 98MHz ANT REC OUT 108 Output 55 Center ANT input 60dB L ch indication of FM SSG 3000 amp Pilot 19kHz Scope 10 MOD L ch 1kHz 45 MOD R ch 0 MOD Stereo SG 2 Separation Same as above Same as REC OUT VROS Min output above R ch VTVM i Scope 3 Cofirm 98MHz Same as RECOUT Min output olf less the 37dB adjust Separation ANT input 60dB above L ch
23. 0 0132479 470 2 0132479 470 2 R132 0132479 470 2 R133 0133478 0 470 1 D R134 0133478 0 470 1C R135 0133478 0470 1B Xe Doa Dad FR REGULAR MATRIX Parts No TRo2 Ros Doi Do4 Do5 Dos Do7 Dos Dos Dio D D12 D14 Dis 2001 2002 RLoi Coi 5 Stock 0305891 2 0305891 2 0305930 1 0308392 3 0306070 1 0306132 3 0310340 0311070 0310340 0310340 0311240 0311240 0311240 0311240 0310400 0310400 0310400 0310400 0310400 0310400 0310340 0316300 0315090 1150101 0511102 0659011 0659011 0659011 0659011 0515330 0519302 Description 2SC634A 6 7 25 634 6 7 25 1211 D 250313 E 25 1313 or 25 1364 7 8 Transistor 10D 1 2B2DM 100 1 100 1 SR3 AM 4 SR3 AM 4 SR3 AM 4 SR3 AM 4 1N34A IN34A 1N34A 1N34A 1N34A 1N34A 10D 1 RD 12E ZB 1 13 Diode Zener Diode MY4 0 US SA Relay 1000 10 0 01 pF 0 01AHF 0 01 uF 500 C C 0 01 xF 33 uF 50V 220 uF 80V Position 2 3B 3B 2A 2A 1A 3B 2A 38 28 3A 3A 3A 3A 2B 2B 2B 2B 2B 2B 1B 1B 28 3B 2 3A 2A 3A 3A Parts No Rio Rn R12 Ri4 Ris Ria Ri9 R22 R23 R24 R25 VRo1 Foi Fo2 Fo3 Fo4 Stock No 0107562 0107223 0107822 0107473 0107473 0107473 0
24. 0106561 5600 5 Ww CR 1 28 Rio7 0107561 5600 ELR 28 R108 0107392 3 900656 WW CR 28 Rios 0107123 1200 28 Rio 0106332 3360 55 CR 18 C 6 4 F 1489 Mixing amp Accessory Circuit Board Stock No 7591870 Complete Circuit Board F 1489 Conductor Side REGULAR MATRIX Parts List Parts No Stock No Description Position Parts No Stock No Description Position 0306071 2 2 C1313 G H 0106473 47 Or Or 7 0106473 47kQ 3A TRoi 0305880 1 25 1000 GR BL 3A 0106473 47kQ 3A or or Rio 0106563 56 38 0306011 2 25 1222 R20 0106563 560 38 0306071 2 25 1313 G H R21 0106683 68k4 3B or or R22 0106683 68 3B TRo2 0305880 1 2SC1000 GR BL 3A R23 0106334 330k 3B or or R24 0106334 330k 3B 0306011 2 25 1222 gt Transistor R25 0106562 5 6 3B 0306071 2 25 1313 G H 0106562 5 6k 3B or or R27 0106681 6800 3B TRo3 0305880 1 25 1000 BL 3B R28 0106681 5800 38 R2 0106274 2700 5 et 38 0306011 2 2SC1222 E F R30 0106274 2700 24 38 0306071 2 2 1313 G H R31 0106683 279 3B or or R32 0106683 68 38 TRo4 0305880 1 2SC1000 GR BL 3B R33 0106472 4 kQ 3B or or R34 0106472 4 7kO 38 0306011 2 2SC1222 E F R35 0106102 38 FETo 0370061 FET 3B R36 0106102 160 38 FETo2 0370061 2SK24 F 38 7 0106104 10050 38 R38 0106104 100kQ 3B 0573108 0 1 F 25 T C
25. 0519103 047 1C VRos 1032151 20080 B 0519103 0 47 1 VRo4 1032151 200k B 24 ORX 5500 6 8 1482 Driver Circuit Board stock No 7570790Complete Circuit Board F 1482 Conductor Side REGULAR Parts Cio Cz C22 C23 C24 C25 C26 C29 C32 C34 C35 C36 C37 C38 C39 C42 C43 C44 C45 C46 C47 52 55 Roi Ros Ros Roy Rio Rit R12 R13 Ris RW R20 R21 R22 R23 Stock No 0660150 0660150 0531101 0531101 0531101 0531101 0600107 0600107 0600107 0600107 0660470 0660470 0660470 0660470 0515330 0515330 0515330 0515330 0660220 0660220 0660220 0660220 0657222 0657222 0657222 0657222 0657473 0657473 0657473 0657473 0657473 0657473 0657473 0657473 0657473 0657473 0657473 0657473 0107154 0107154 0107154 0107154 0107103 0107103 0107103 0107103 0107104 0107104 0107104 0107104 0107822 0107822 0107822 0107822 0107473 0107473 0107473 0107473 0107103 0107103 0107103 Description 15pF 15 100uF 100 100 4F 100 uF 0 1 uF 0 1 uF 0 1 pF 470pF 470pF 470pF 470pF 33 uF 33 uF 2 33uF 22pF 22pF 22pF 22pF 0 0022 uF 0 0022 uF 0 0022 uF 0 0022 uF 0 047 uF 0 047 uF 5105 0 047 uF 0 047 uF 0 047 uF 0 0
26. 107473 0182331 0107332 0107332 0132101 0104220 0107332 0107332 1035090 0432900 1 0432850 1 0432850 1 0432830 1 2250020 Description Position 5 6 220 8 200 470 5 CR 2B 47k 2B 47kQ 2A B 47k 2A B 3000 210 2W Cek 18 3 3k 2B CR 1000 1069 2W Cek 1 2 220 55 1W 1B 3 8kQ 5525 28 330 5 2A B 2 2k 0 Solid Volume 5 Wired in Fuse 38 2A Wired in Fuse 2 Wired in Fuse 3B Wired in Fuse 38 Fasten 6 10 1490 De emphasis Conductor Side Board Stock No 7591880 Complete Circuit Board F 1490 OEE LADE ORX 5500 6 11 F 1488 Connector Joint Circuit Board Stock No 7591860 Complete Circuit Board F 1488 Conductor Side Parts List Parts Stock Coi 0504221 0107474 2 0107474 0107474 0107474 2420150 2420160 2420170 Description Position 220 uF 35 1 4700 2 5 CR 5 4700 2 Connector 18 6 12 1486 Filter Circuit Board Stock 7591830 Complete Circuit F 1486 Conductor Side Parts List Parts No Stock Coi 0600187 0600187 0107824 2 0107824 501 04 1130760 Description 0 0184F 5 5 50 820k 5 R 55 CR Push Switch
27. 28 0107101 1000 2 R 0107101 1000 2 R62 0107101 1000 2C 0107101 1000 28 0107101 1000 2 R s 0103471 4700 20 0103471 4700 2C 0103471 4700 5 CR 0103471 4700 2 Res 0107562 5 6kO 2D R7o 0107562 5 60 26 R71 0107562 5 80 2B R72 0107562 5 60 2 R73 0107152 1 50 20 R74 0107152 1 50 2 R75 0107152 1 50 28 R76 0107152 1 5kQ 2A R77 0107330 330 525534 CR 2D R78 0107330 330 2 R7 0107330 330 28 Rao 0107330 330 2 Re 0107689 6 80 20 0107689 6 80 2C Re3 0107689 6 80 2B Res 0107689 680 2 Ras 0107472 4 7kQ 2D be continued 26 AR F 1482 Parts List 6 9 F 1483 Protector amp Power Parts No Stock No Description Position Circuit Board Stock No 7500870 Complete Circuit Board F 1483 0107472 4 7 2 Rez 0107472 4 700 28 Conductor Side Res 0107472 4JkQ 2 280313 0107100 100 2D Roo 0107100 100 2C R91 0107100 100 2 R92 0107100 100 0107100 100 1D 0107100 100 R95 0107100 100 18 0107100 100 Rios 0107689 6 80 R106 0107689 6 80 TG R107 0107689 6 80 5 MW C R 1B R108 0107689 680 R109 0107689 6 80 Rito 0107689 6 80 Rin 0107689 6 80 R112 0107489 680 121 0107221 2200 122 0107221 2200 1 R123 0107221 2200 1B R124 0107221 2200 1A R125 0107221 2200 1 R126 0107221 2200 127 0107221 2200 1B 2129 0132479 470 2 R13
28. 29 TR33 30 TR34 on F 1482 4 Defctive TR25 TR26 on F 1482 2 2 CH of FUNCTION inoperative 2 1 Both channels inoperative 5 Defective power supply section See 5 1 2 2 One channel inoperative 1 6 Imperfect contact of TAPE MONITOR switch 501 502 1489 7 Defective 01 TRO3 5 TRO7 TRO2 TRO4 06 TRO8 on 1484 8 Imperfect contact of Low Filter switch 501 502 on F 1486 9 Imperfect contact of High Filter switch 503 504 on F 1486 10 Imperfect contact of Direction switch 703a d 11 Defective F 1482 printed board REGULAR MATRIX 3 PHONO inoperative Symptom Check Point 3 1 Both channels inoperative 3 2 One channel inoperative 1 Reverse the output cords of L and R ch from turntable 1 1 Inoperative channel reverses 1 2 Inoperative channel not reverses 4 MIC inoperative 4 1 Both channels inoperative 1 42V not supplied to terminal on F 1489 2 42V supplied to terminal 43 on F 1489 4 2 One channel inoperative 5 Level Meter inoperative 5 1 4 channcls inoperative 5 2 Two channels inoperative 1 Front two channels inoperative 2 Rear two channels inoperative 12 13 14 15 16 Cause amp What to Do Defective power supply section See 5 1 imperfect contact of turntable output cord Defective turntable Defective TR601 TR603 TR605 T
29. 32 25 711 F 3A TRo5 0305732 29 711 38 0305732 25 711 F TRo7 0305475 25 871 2B TRos 0305475 25 871 0305732 250711 F 38 TReoz 0305475 2SC871 P 18 rrT E LL RS REGULAR MATRIX 6 7 F 1485 Meter Circuit Board stock No 7591840 Complete Circuit Board F 1485 Conductor Side 2SC711 B CE 1N34A HEE Parts List Parts No Stock No Description Position Parts No Stock Description Position 0305732 25 711 F 2 15 0519103 0 47 1B TRo2 0305732 25 711 2B 0519103 20 TRos 0305732 25 711 28 TRo4 0305732 2SC711 P 2A 0106824 82050 2 TRos 0305732 2SC711 F 1C 2 0106824 82050 28 0305732 25 711 B Ro3 0106824 8200 28 TRo7 0305732 25 711 Ro4 0106824 8200 2 0305732 25 711 F 5 0106104 1000 2 0106104 100k2 2B Doi 0310400 N34A 0106104 1000 2B Do2 0310400 N34A 1B Ros 0106104 10050 2 0310400 IN34A 1B Rog 0106474 4700 2C Do4 0310400 1N34A Rio 0106474 47000 2 Dos 0310400 N34A 0106474 470 28 Dos 0310400 1N34A 8 Ri2 0106474 4700 2 Dor 0310400 IN34A 1B R13 0106104 1000 1 Dos 0310400 1N34A V Diode Ru 0106104 1000 1B Dos 0310400 N34A 1 Ris 0106104 1000 18 Dio 0310400 1N34A 1B R16 0106104 100 0 5538 CR 0310400 N34A 1B 17 0106103
30. 47 0 047 uF 0 047 pF 0 047 uF 0 047 uF 0 047 0 047 uF 10 m 10 15060 1500 1500 1500 10kQ 10kQ 100 2 100 0 100k2 1000 5 8 20 8 2 0 8 20 8 20 47kQ 4750 47kQ 50 BP E C 50 50 50V 50 C C YW C R Position 2B 2A 2D 2 28 2 20 2 2 2 20 2 28 20 2C 2B 2A 2D 2C 2B 2A 2D 2C 2B 2A 2D 2C 2B 2A 2D 2C 2B 2 2 2 2B 2A 2D 2C 28 2 20 2C 2B 2A 2D 2C 2B 2A 2D 2C 2B 2A 2D 2C 2B 2A 2D 2C 2B Parts Stock No Description Position R24 0107103 1050 2 R25 0107682 6 8kQ 2D R26 0107682 6 8kQ 2C 0107682 6 8 0 28 0107682 6 8kQ 2A 22 0107682 6 8kQ 2D R30 0107682 60 2 R31 0107682 6 8 0 28 R32 0107682 6 8 0 2 R33 0107221 2200 2D R34 0107221 2200 2 R35 0107221 2200 2B R36 0107221 2200 2 R37 0107683 68 20 R38 0107683 68k 2C R39 0107683 68k O 28 Rao 0107683 68kQ 2A 0107392 3 9kO 2D R42 0107392 3 90 2 R43 0107392 3 9kQ 2B R44 0107392 390 5 MW CR R45 0107822 820 2 0107822 8 260 2 R47 0107822 8 200 28 0107822 8 20 2A R49 0107471 4700 20 Rso 0107471 4700 2 51 0107471 4700 28 R52 0107471 4700 2 Rss 0107473 47 0 20 0107473 47kQ 2C R55 0107473 47k O 2B Rs 0107473 47 2 57 0107101 1000 20 Rs9 0107101 1000
31. 5732 25 711 B Ro3 0106824 8200 28 TRo7 0305732 25 711 Ro4 0106824 8200 2 0305732 25 711 F 5 0106104 1000 2 0106104 100k2 2B Doi 0310400 N34A 0106104 1000 2B Do2 0310400 N34A 1B Ros 0106104 10050 2 0310400 IN34A 1B Rog 0106474 4700 2C Do4 0310400 1N34A Rio 0106474 47000 2 Dos 0310400 N34A 0106474 470 28 Dos 0310400 1N34A 8 Ri2 0106474 4700 2 Dor 0310400 IN34A 1B R13 0106104 1000 1 Dos 0310400 1N34A V Diode Ru 0106104 1000 1B Dos 0310400 N34A 1 Ris 0106104 1000 18 Dio 0310400 1N34A 1B R16 0106104 100 0 5538 CR 0310400 N34A 1B 17 0106103 ELR 012 0310400 1N34A Ris 0106103 2C Di3 0310400 N34A Rig 0106103 2 0310400 N34A 1B R20 0106103 10k 2A Dis 0310400 1N34A 1B R21 0106105 IMQ 016 0310400 1N34A 1A R22 0106105 IMQ 1B R23 0106105 IMO 18 0515109 2 R24 0106105 0515109 1 ApF 28 Ras 0106472 4JkQ 0515109 12 28 R26 0106472 4 7kQ 1B 0515109 2 27 0106472 47 0 18 Cos 0515109 2 R28 0106472 47 0 0515109 1 uF 28 R2 0106822 8 2 0 1 0515109 sov 28 R30 0106822 82kQ 1B Cos 0515109 2 R31 0106822 8 2k 1 18 0515109 1AF 2C R32 0106822 8 20 Cio 0515109 TF 2 0515109 2 1032151 200 0 B 1 0515109 2 VRo2 1032151 200kQ B mp 1
32. 8 4 gt Al 9 22 1 171 3 _ 2112 79 ALINDYID XIPHLVW OlHVA 2 HILIMS SISVHdW3 3G 2 S ne 4 1 ox 8 BLW TVN9IS m 52 EAT adi 7 as 1 859697 350 Wd 102 HA TIAN WJ wasy 038315 Si YILIN TWNOIS Wi FTAL 109 dl 8 BAU POYA 0141 6081 INAL Jinoydlo YANNL ansui 5 2 BLOCK DIAGRAM AND LEVEL DIAGRAM 2 1 Block Diagram REGULAR MATRIX G CURRENT Sv BAS 7 Op amp 1 85 2 2 Level 85 Each number 0 0 9 indicated in Level Dia meg gram undermentioned corresponds to the number in 5 Block Diagram 5 1 MASTER VOLUME LEVEL SET volume control gt 2 x 2 BASS BALANCE Volume control i ai Center OD 52955 3 Input PHONO 1 2 5mV 1kHz Sine Wave 18556 AUX 1 100mV 1kHz Sine Wave Le A output impedance of 6000 at an BIS 5 audio signal oscillator port E 4 Output 15 5 30W 80 5 Note Each voltage value is for reference measurr 4348 ed by a VTVM some recorders the actual QRX 5500 3 ALIGNMENTS AND
33. 9105 0519105 0519105 0519105 0656223 0656223 0519102 0600107 0656473 0669215 0600107 0620361 0669223 0656473 0656473 0512470 0656473 0656473 0656473 0656473 0512100 0656473 0601108 0512470 0656473 0656473 0656473 0669226 0600476 0600476 0600107 0601477 0510101 0656473 0502100 0620221 0669381 0107104 0107181 0106104 0106224 0106220 0106562 0107123 0106272 0107220 0106221 0106121 0107682 0 0 0 01 06473 07222 06152 06270 0106222 0107122 01 01 06123 06332 0107222 0106151 Description 2 2 2 o 2 2 0 022 3 3uF 20 5 0 047 0014 5 360pF 5 27pF 5 0 047 uF dal 47 0 047 HF 0 047 uF 0 047 0 047 10 47 uF 0 047 4F 0 047 uF 0047 47pF 5 0 047 uF 5 2 0 01pF 55 0 0474F 10 1007F 0 047 uF 220pF 5 22pf 55 1000 5 e ES 100kQ 220kQ 5 220 5 6 12kQ 270 5 220 5 al 5 1200 680 4760 5 22kQ 5 1 500 270 220 5 x 1 200 1250 3 3k Q 22kQ 55 1500 5 50V 50V 50V 50V 50V 50V 50V 50V 50V 16V 50V 16V 50V 50V 16V 50V 50V 50V 50V 50V 6 3V 50V 16V 50V 50V E C C C E C M C C C M C P C C C C C M C Cic M C M C M C E C C C C R
34. ADJUSTMENTS Abbreviation Equipment Others FM Generator Oscilloscope Genescope Clockwise oer BE dee CW AM Standard Signal Generator AM SSG Counterclockwise CCW FM Standard Signal Generator FM SSG Antenna cu ware eae aes ANT FM Stereo Stereo SG Modulation MOD Oscilloscope Scope Audio Oscillator Audio Osci Distortion Meter Dist Meter 3 1 Regulated Power Supply Board Adjustment See Fig 3 1 Note 1 QS Synthesizer 2 Master Minimum 3 Confirm the AC Power Supply voltage STEP SUBJECT EQUIPMENT MEASURE OUTPUT ADJUST ADJUST FOR CONDITION 1 Regulated volt meter F 1483 F 1483 25 0 7 VROT Power Supply terminal 18 ut Lowel Matar Adinctman Sec ir 24 REGULAR MATRIX 3 3 Driver Circuit Board Adjustment See Figs 3 3 3 4 Note 1 Master Volume 2 3 4 5 SUBJECT UE DCOV Front L 2 DCOVFrontR 3 DC0V Rear L 4 Rear R 5 Bias current Front L 6 Bias current Front R 7 Bias current Rear L 8 Bias current Rear R rear R ch DC OV volume VRos EQUIPMENT
35. CY RESPONSE 30 to 15 000Hz 10dB ANTENNA IMPEDANCE 3000 balanced 750 unbalanced lt AM gt TUNING RANGE 535 to 1605kHz SENSITIVITY bar antenna LM A ashe ETEN 50dB m at 1 000kHz IMAGE REJECTION better than 80dB m at 1 000kHz IF REJECTION better than 80dB m at 1 000kHz SELECTIVITY better than 25dB at 1 000kHz OTHERS SEMICONDUCTORS TRANSISTORS 136 FETS streets 5 DIODES 80 ZENER DIODES 6 IGS 3 POWER REQUIREMENTS VOLTAGE 100 117 220 240 50 60 2 CONSUMPTION 140W rated 400VA max DIMENSIONS 203mm 8 H 594mm 23347 370mm 149 D WEIGHT 21 6kg 47 5 lbs net 24 8kg 54 6 Ibs shipping Design and speciflcations subject to change without notice for improvements QRX 5500 HOLLIMS 4 553 01 LOLA Ove 12 B 1 amp gt 1 1 3 Dm 3 SOUL 5 AAA ALINDYID LINDYID TOULNOI 3NOL LINDYID S ace uiri IWATOA dnou SNIXIN NS d F1 T 1 sta 1 1 2 2 is 20941 Q 9 4 STUL Qe 2081 11 35 5 7 13 578 j Qu je CH 2 E Ws E ETHL 901 5
36. One channel inoperative 1 section inoperative 3 2 section inoperative 4 s 6 Defective Low Pass Filter L P F01 13 Defective power supply section See 5 1 Defective TRO1 4 2 TRO5 F 2048 Defective TRO1 TRO3 TRO5 TRO2 TRO4 TRO6 on 2047 Defective 009 011 013 015 010 012 014 016 on F 2047 Defective FETO2 on F 2047 Defective TRO7 8 9 on 2047 Defective 05 TRO9 TR13 TRO6 TR10 14 F 2048 Defective TR07 TR11 TR15 TRO8 TR12 TR16 on F 2048 Defective FUNCTION switch 702a f Defective power supply section F 1483 Imperfect contact of SELECTOR switch 57011 Defective SELECTOR switch 5701 7016 Defective SELECTOR switch S701a 701b Defective TR17 TR18 on F 1479 REGULAR MATRIX 2 FM Section Symptom Check Point Before check set MUTING switch to OFF Pushed in 2 1 FM inoperative only 1 Tune FM signal FM broadcasting station 1 1 Signal meter inoperative 1 2 Signal meter operative Interstation noise too low compared with proper unit 2 2 Signal meter inoperative FM broadcasting sound can be heard 2 3 Tune meter inoperative FM broadcasting sound can be heard 2 4 Muting circuit inoperativc Signal meter operative Cause amp What to Do 7 Defective 1 01 1202 on F 1479 8 Defective T01 T05 on F 1479 9 Defective
37. R39 0106333 330 0660101 100pF 410 50 R40 0106333 33kQ 1A 0573478 0 47 uF R41 0106333 330 1B Cos 0573478 0 47AF R42 0106333 1B 0573478 0 47 uF 0573688 0 68 25V 1130750 Push Switch 0573688 0 68 uF Cos 0573478 0 47 uF 3B C10 0573478 0 47 0510470 47 3B 0510470 21 ES 38 0573339 3 34F 3B 0573339 3 3uF C15 0519106 SOVE TES 3B C16 0519106 4 7 HF 3B 17 0620151 150pF Cis 0620151 1 50pF 0620151 C20 0620151 150pF 18 C21 0600227 0 022 C22 0600227 0 022 uF 0600227 0 022 uF RUNG MIG 1B 0600227 0 022 4 C25 0657222 0 0022 uF 50V C C Roi 0106103 0106102 0106394 3900 4 0106563 56k 3A Ros 0106333 33kQ 3A Ros 0106272 2 10 Ro7 0106272 2 50 0106394 3900 5 Ro 0106474 4770 UU Abbreviations 0106274 2700 Carbon Resistor Bi Pola Electrolytic Ru 0106332 3 30 S R Solid Resistor Capacitor 12 0106152 1 5 Cement Resistor C C Ceramic Capacitor R13 0106682 6 8 3B Metallized Film Mica Capacitor 0106682 8k O 3B Resistor Oil Capacitor 215 0106473 47 Mylar Capacitor P C Polystyrene Capacitor Electrolytic Capacitor
38. R607 TR602 TR604 TR606 TR608 on F 1472 Imperfect contact of SELECTOR switch S701a S701b Defective power supply section F 1483 Defective TRO1 2 on F 1489 Defective VR707 Defective 01 FETO2 on F 1489 Defective TRO3 TRO4 on F 1489 Imperfect contact of Microphone Jack 0701 Defective VR705 VR706 Defective power supply section See 5 1 Defective F 2048 F 2047 Defective TROT TROS TRO2 TRO6 on F 1485 Defective 001 005 009 013 002 006 D10 D14 on F 1485 Defective VR01 VRO2 on F 1485 Defective Meter Defective TRO3 TRO7 TRO4 TRO8 on F 1485 Defective 003 D07 011 015 D04 008 D12 D16 on F 1485 Defective Meter Defective F 2048 F 2047 12 QRX 5500 6 5 SYNTHESIZER or 5 REGULAR MATRIX of FUNCTION Switch inoperative Symptom Check Point Cause amp What to Do QS Regular Matrix circuit consists of both F 2047 F 2048 printed boards 2 CH of FUNCTION switch operative 6 1 Both Front and Rear inoperative 34 6 2 One Front and Rear inoperattive O n gt v SIAJI 36 37 r 38 39 40 41 42 5 3 Troubleshooting RF Section 1 Both FM and AM inoperative PHONO operative 1 1 Both channels inoperative 1 lt 213 not supplied to terminal 03 06 16 on F 1479 1 2 13V not supplied to terminal 03 06 on 1479 2 1 2
39. R62 0106223 220 0107104 1000 1 0107104 5 CR jg Res 0106154 1500 R66 0106154 150kQ 3A R67 0106154 150 0106154 150 0 0106124 1200 38 R70 0106124 12050 38 0106124 1200 1B R72 0106124 12050 18 R73 0106392 3 95 R74 0106392 3 9k 3B R75 0106392 3 95 0 18 R76 0106392 3 9k B 77 0106824 8200 3B R78 0106824 820k 3B R79 0106824 8200 1B Reo 0106824 82060 5 CR 18 0106123 12k ELR 38 2 0106123 12 0 0106123 1250 18 Ra4 0106123 12k0 5 0106123 12kQ 1B R86 0106123 12kQ 1B R87 0106104 100kQ 1B R88 0106104 100kQ 1B Res 0106122 1 2kQ 3B R90 0106122 T 2k C 3B R91 0106122 1 2kQ 1B R92 0106122 1 2kQ 1B 0106104 10050 3B R94 0106104 1000 3B R95 0106104 10050 18 R96 0106104 1000 1B Abbreviations C R Carbon Resistor BP E C Bi Pola Electrolytic S R Solid Resistor Capacitor Ce R Cement Resistor Ceramic Capacitor M R Metallized Film Mi C Mica Capacitor Resistor O C Oil Capacitor M C Mylar Capacitor P C Polystyrene Capacitor E C Electrolytic Capacitor T C Tantalum Capacitor 22 6 6 2047 Vario Matrix Circuit Parts List Board Parts No Stock Description Position Stock No 7850110 Complete Circuit Board F 2047 0305732 25 711 Ide Conductor Sid TRo2 0305732 256711 F 0305732 256711 P TRO 03057
40. Thread Dial Cord Thread dial cord in numeric shown in Fig 4 1 P lose the variable cM capacitance Fig 4 2 2 Tie cord to number 6 screw of the dial pulley and 9 Asse ete n DEN Lu 5 After these procedures tock the knots of cord with il order from 1 to 20 as paint nter roimntetr 5 TROUBLESHOOTING CHART 5 1 Troubleshooting on Power Supply Section 1 No power supplied to each section Symptom Check Point Cause amp What to Do 1 1 Each lamp not lighted 1 Imperfect contact of power supply plug 2 Power fuse open 3 Defective power switch 5705 4 F01 F 1483 open 5 Defective power transformer 001 1 2 Each lamp lighted 1 4 31 not supplied to terminal 05 on F 1482 6 Defective 007 008 on F 1483 2 31V not supplied to terminal on 1482 7 Defective 005 D06 on F 1483 3 42V not supplied to terminal on F 1472 1 8 02 F 1483 open 9 Defective 002 on 1483 10 Defective TRO3 04 on F 1483 4 25V not supplied to terminal F 2047 11 Defective 5 F 1483 12 Imperfect contact of VRO1 on F 1483 13 Defective D15 on F 1483 5 2 Troubleshooting on Audio Section 1 Quick acting fuse open 1 1 After replacement fuse not open 1 Set the bias current to 25mA 1 2 After replacement fuse open again 2 Defective TR37 TR41 TR38 TR42 on F 1482 Defective TR
41. Y PARTS 35 9 REPLACEMENT OF MAIN PARTS 35 9 1 Dial Lamp 2 ge e aba pergo 35 9 2 How to Install the Knob of DIRECTION Switch 35 10 SCHEMATIC DIAGRAM OF TUNER SECTION 36 11 SCHEMATIC DIAGRAM OF AUDIO SECTION 37 12 MAINTENANCE 38 12 1 Voltage Adjustment sonen eee enne 38 REGULAR MATRIX 1 SPECIFICATIONS AUDIO SECTION POWER OUTPUT at rated distortion MUSIC POWER 220W 4 1 000Hz 160W 80 1 000Hz CONTINUOUS POWER each channel driven EEN 45W ch 40 1 000Hz 30W ch 80 1 000Hz CONTINUOUS POWER 4 channels driven uad du Ve 25W 4 80 1 000Hz 22W 4 80 20 to 20 000Hz TOTAL HARMONIC DISTORTION at rated output OVERALL from 4 channels AUX less than 0 3 INTERMODULATION DISTORTION at rated output 70Hz 7 000Hz 4 1 SMPTE method OVERALL from 4 channels AUX less than 0 3 POWER BANDWIDTH IHF 10 to 30 000Hz LOAD IMPEDANCE 4 to 160 DAMPING FACTOR 40 80 INPUT SENSITIVITY AND IMPEDANCE 1 000Hz for rated output 1 2 2 channel 2 5mV 50kQ Max input capability Lad iex dete more than 250mV at 0 5 distortion MIG atis toen ze eh REY 2 5mV 10kQ AUX Q ch 4 ch 100mV 50 TAPE MONITOR PIN 2 ch 4 ch 100mV 50
42. ble caused by the considerable voltage fluctuation In this case it should be set to the peak voltage 38 ME SANSUI ELECTRIC CO LTD Sansui 14 1 2 chome Izumi Suginami ku Tokyo 168 Japan TELEPHONE 03 323 1111 TELEX 232 2076 P SMOO7 N3050M
43. ch 65 Hex Nut M11 66 Plain Washer 116 67 1020240 1 100k B x 2 BASS Volume 68 Hex Nut M11 69 Plain Washer 119 70 1020240 1 100k B X 2 BASS Volume 71 Hex Nut MII 72 Plain Washer 119 73 1020250 1 100 2 TREBLE Volume 74 Hex Nut M11 75 Plain Washer 115 76 1020250 1 100 2 TREBLE Volume 77 1130290 Push Switch POWER switch 78 Hex Nut M9 79 Plain Washer 9 80 Hex Nut M9 81 Plain Washer 9 82 2430200 Headphone Jack 83 5236491 Spacer Nut M9 84 1102500 1 Rotary Switch 224 244 SPEAKER switch 85 5326380 Push Button LOW amp HIGH FILTER switch 86 1130760 Push Switch 2 Stage 87 1130760 Push Switch 2 Stage 88 Hex Nut M8 89 Plain Washer 89 90 1010400 1 250 HB BALANCE Volume 91 Hex Nut M8 92 Plain Washer 89 93 1060250 1 250 HB X 4 BALANCE Volume 94 5236441 Spacer Nut M8 95 1010400 1 250 HB BALANCE Volume Parts No 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 Stock 1060260 1 1060240 1 1106120 5326380 1130750 5236491 1107020 1060280 2430170 7036361 0400200 5416050 5416300 5109122 5109122 0400300 0400310 0400330 0400300 0400290 0400320 0400310 0420040 5066211
44. kQ TAPE MONITOR DIN 2 ch 100mV 5 RECORDING OUTPUT TAPE REC PIN 2 ch 4 ch 100mV TAPE REC DIN 2 ch 30mV FREQUENCY RESPONSE at 1W output OVERALL from 4 channels AUX NEN 30 to 30 000Hz 2124 EQUALIZATION RIAA CURVE 30 to 15 000Hz 1 0dB CROSSTALK 2 channel better than 50dB at 1 000Hz HUM AND NOISE PHONO 1 2 2 channel better than 70dB AUX 4 channels better than 80dB CONTROLS BASS CL qu Vs 12dB at 50Hz TREBLE x 12dB at 15 000Hz LOUDNESS volume control at 30dB 8dB at 50Hz 348 at 10 000Hz LOW FILTER 10dB at 50Hz 6dB oct HIGH FILTER 10dB at 10 000Hz 6dB oct 4 CHANNEL SYNTHESIZER DECODER CIRCUIT OS ETE QS regular matrix system with QS vario matrix circuit TUNER SECTION TUNING RANGE 88 to 108MHz SENSITIVITY 1 Max input capability more than 120dB SIGNAL TO NOISE RATIO MONO ease better than 65dB CAPTURE RATIO IHF less than 2 0dB IMAGE REJECTION better than 75dB at 98MHz IF REJECTION better than 90dB at 98MHz SPURIOUS RESPONSE REJECTION TGS better than 80dB at 98MHz SELECTIVITY better than 60dB TOTAL HARMONIC DISTORTION less than 0 3 5 less than 0 5 STEREO SEPARATION better than 37dB at 1 000Hz FREQUEN
45. linearity tor coil above point between i of S curve R67 amp R68 on 705 Set the center 1479 of 5 curve Fig 3 10 wavefrom 1 amp Direct from 2 as Fig 3 9 Genescope 4 IF coil Same as above Same as above noise 3 5 FM Dial Calibration Alignment See Fig 3 10 on 10 Note 1 Selector dur daha AUTO 2 Master Volume Minimum 3 FM Muting switch OFF pushed in 4 Confirm start point of dial pointer before alignment 5 In Step 3 4 5 1 2 readjusted repeat 3 4 5 again FM SSG _ SIGNAL _ MEASURE SUBJECT FROM TO OUTPUT ADJUST ADJUST FOR CONDITION 1 88MHz 88MHz ANT REC OUT Lor 104 Max output Dial on 88MHz Dial Calibration ANT input 60dB terminal R ch 1 100 MOD 3000 amp Scope 9 9 I FM SSG i AAT 2 7 108MHz 108MHz Same as Same as Trimmer Same as eSet Dial 108MHz Dial Calibration ANT input Aa above above TC04 above i n 1kHz 100 MOD i ee v Ed ENAS REGULAR MATRIX STEP SUBJECT 3 Confirm 88MHz Dial Calibration Confirm 98MHz Confirm 108MHz 88MHz RF Adj 108MHz RF Adj Dial Calibration Dial Calibration 55 FEED SIGNAL
46. or 35V 63V s 63V 250 5 CR 1701 1702 1703 F701 4001360 2430040 2010020 2410540 2290110 2200360 4290030 4200550 4290021 2300060 0431290 2 0431310 Power Transformer DIN Connector 9P Remote Control Socket 9P Remote Control Dummy Plug SP Antenna Terminal 12P Input Terminal 14H Coil Bar Antenna Coil 750 3000 FM Balun Fuse Holder A Power Fuse 100V 117V 3 5A Power Fuse 220V 240V 33 C R Ce R M R M C E C TR39 TR40 2 25 103 25 1030 8 Transistor 25 756 25 756 8 Microphone Jack Headphone Jack Headphone Jack 3820040 AM FM Antenna 9207610 Operating Instruction HALF TURN 8 9227610 Operating Instruction Sheet Oe ad 10 DIAGRAM TUNER SECTION 5 25 10478 E 3SK4I K I Reo ETK Rey LBK 582229 fv Ba RE Z Auger 40 5 18 EL OY ES 9 x lt S 509 Stile mM ee TR 2 E IS 25 930 0 TRog TRag TR 2SA678 6 7 25 984 0 25 1124 2SCIO30 Wy 3 Or s 1151007 1 5 A 0470 04963
47. r Oil Capacitor R32 0107472 4 7k 28 Mylar Capacitor Polystyrene Capacitor Electrolytic Capacitor Capacitor 5500 6 14 Other Parts Front Side Parts List Parts No 31 ONDEREN Stock No 5100173 5186110 5100173 5186110 5100173 5186110 5100173 5186110 Description Binding Head Screw 25 Plain Washer 4 Binding Head Screw M4 25 Washer 4 Binding Head Screw M4 x 25 Plain Washer 40 Binding Head Screw 25 Plain Washer 40 Parts No 9 10 11 12 13 14 15 16 Stock 5104571 5121260 5186091 5104571 5121260 5186091 5726820 5317671 SPD 62 86 42 29 29 Description Hexagon Head Bolts M4 x 23 Spring Washer 40 Nail Washer Hexagon Head Bolts 4 X 23 Spring Washer 4 Nail Washer Wood Case 1 Knob BASS volume Parts N 17 18 19 20 21 22 23 24 Parts 17 18 19 20 21 22 23 24 Stock 5317682 5317671 5317682 5317671 5317682 5317671 5317682 5176052 Description WI 1 Knob BASS volume WO 1 Type Knob BASS volume WI 1 Type Knob BASS volume WO 1 Type Knob TREBLE volume WI 1 Type Knob TREBLE volume WO 1 Type Knob TREBLE volume WI 1 Type Knob TREBLE volume Jack Nut Parts No 25 26
48. uF 18 Rss 0106821 8200 1B 0512100 EC 008 R56 0106821 8200 18 C25 0660470 47 pF 18 57 0106220 220 18 C 0660470 47 B uo Rss 0106220 220 1B Cz 0512100 pd Hv pen TE Rss 0106332 3 3k Q 1B 0512100 US B Reo 0106332 3 3k 1 1B C29 0519101 1B 0106563 56k 1B Cao 0519101 A SOV M Rea 0106563 56kO 18 Res 0106104 100k C 1B Red 0106104 1000 1B Rol 0106102 1 Roz 0106102 VRo 1020250 1 10060 W x2 2A Bos 0106474 470kO VRo2 1020250 1 10080 W x2 2 Ros 0106474 4700 1020240 1 100kQ B x2 28 Ros 1020240 1 10080 B x2 28 0106274 270k 1A 0106394 390k O 0106394 390k O Roy 0106183 18 0 Rio 0106183 180 0106102 5 ue Ri2 0106102 IKO ER 1A R13 0106123 12kQ 1A Ri4 0106123 1260 Ris 0106123 12kQ 1A Ris 0106123 12 0 R17 0106821 8200 2A Ris 0106821 8200 2A Ris 0106221 2200 2 20 0106221 2200 2A R21 0106682 6 8k Q 22 0106682 6 850 R23 0107224 2200 2 R24 0107224 220k O 2A R25 0107222 2 2k OQ 2A R26 0107222 2 20 2A Abbreviations 2 wine Ban 5 MW CR 2 Resistor Bi Pola Electrolytic S R Solid Resistor Capacitor R2 0107222 2 2 Ce R Cement Resistor Ceramic Capacitor R30 0107222 2 2 28 M R Metallized Film Mi C Mica Capacitor R31 0107472 28 Resisto
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