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SERVICE MANUAL - RadioDatabase.nl

1. VOLUME AW BASS PHONO O PHONO 2 O EES MAIN BOARD 5275 AUX R METER LAMP rREC O 1 TRI IND to3 TEPE 1 O 9 pp MFC P C BOARD 527 rREC AA 9 DONE TEPE 2 R7 3 9K RIB 1 1 e 30 3V x 25 d 5 8 3 3725 2 zle x N H 1087300 2 2725 DI PHONO O T 2 2 E K 3 amp R3 IK x TA la R7 5 6 02 1001 i 2 u TR2 4 5 AN PHONO 2 i i s aan K 5 t a Is x ooo 25 G n 55 IN CSA CEE MODEL s to 5 m 5 o R6 IS FI AW 55 aux 5 iy l oe 2 S 5 F1 2A f E DIE M 2 8 220 to 240V 12 eS 5 2 5 1 EN l n ES Gae EREO i 9 9 10207 5 Tee 69 2 E t LGUNDNESS TRI 25 222 ENF 25Ci222 m PB YN n 1 2S0571 L M TR2 25 9451 2581449 K L LED PC BOARD wee em PM M M 902398 E 7 I POWER SUPPLY P C BOARD AA 5273 REC d 1 2 2 2 I 1 i i 1 lpg i 2 T AA I
2. _ D 8 06 60 88 5 o P 58 S R38 47K st 919 g 9 085 0 _466KHz R37 100 26v R59 2 d Leg R53 2 2K Q 13 D A 309mHU sS S m 6 59 ET 20 O 8 R68 44 0 027 K C28 2 2 25 R45 22K R40 68 R4 3 6K INPUT D C26 N 9 f G 00472 2E 5 C33 10 16 R55 3 6K C45 0 027 3 R36 8 R46 5 R35 330 47 25 sek 1725 4 5 gt E gt gt z s sex s 2 4 FM STEREO LAMP gt o T FL2 VRI 9 A _ nun 58 2 pev e Ka INPUT ac O ER HOT 9 STEREO t 9 LA 3350A PAR ATION 002200 05 HPC 06 dy 21 004702 0 x l X9 9 5 c22 8 E 152473 5 2 310P 00474 8 osc vc 7 x m 68 3 w 5 Reg 22K I9KHz CHECK RWR 41499A N 5 R42 2 2K R58 33K al sisa as A S 0 47 25 m H TR3 3 _ 0 6v i 5 2 xe ala TRS e 8 2 R60 8 2K Wee een 9 9 5 S 3 41513 8 8 5 m FLI 2 Sy 2 A amp SFE I0 7MA Zu 6 gt 181 3 amp R29 28 Ziele 5 o
3. BOARD 5270 POWER TRANSFORMER 1020 5 BOTTOM VIEW IV FM TUNER SECTION ADJUSTMENTS TAPE 2 TAPE 1 REC OUTPUT REC OUTPUT 2 LAI230 FM IF VR3 200KB MUTE LEVEL ADJ T4 FM TUNING METER ADJ LOWER CORE FM DISTORTION ADJ UPPER CORE VRI IKB FM STEREO SEPARATION ADJ LA3350A MPX PLL T3 AM IF ADJ BLK 2 AM IF ADJ VR2 5KB I9kHz FREE RUNNING FREQUENCY ADJ PIN 34 Fig 1 Board AA 5270A AA 1020 2 TAPE REC OUTPUT REC OUTPUT O 3 H an jf l A STEREO E REESEN _ 2 LAI230 D FM IF o R MUTE LEVEL ADJ T4 mm FM TUNING METER ADJ LOWER CORE FM DISTORTION ADJ UPPER CORE VRI IKB T5 AM IF ADJ ra d WHT BLK 2 d E TRIMMER m E BOARD AA 5298 IC3 LA3350A LOCATED ON CHASSIS 9081 34 MPX PLL VR2 5KB I9kHz FREE RUNNING FREQUENCY ADJ o PIN 34 Fig 2 MFC P C Board AA 5270A AA 1020L lt FM IF O lt FM IF COIL ala TC2 TC4 5 TC3 TC5 Fig 3 Front
4. D310 D6 19 47 E 1858 z6 40V VLT i 5 a T 158 i L i 0 01 1 4KV 2 7 2 i 4 AHA D1 1001 1687 ore d E AC 1 110 to 240V 0 BLK C14 0 01 1 4KV Z 1 rel I 12 6 02 10 18 SV ORG 220 to 240V 0089 t H A AA 10207 5 5 C15 001 1 4 7 Sh t BT IN CSA CEE MODEL NOTE o o UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS ALL CAPACITORS IN yF 50WV J 1020 SCHEMATIC DIAGRAM No 4 2 2 227 AA 1020 PHONO O PHONO 21 G 1 REC 1 T TR 25 122214 XF 25 12221 M 2 E R9 2 2K T amp l x 275v 3 M 3 2 7 47K B a L CH OUTPUT a 9 5 jce D REC 2 O o E db 1 0 47 25 TRI TR2 12 0V P eeng K d Ae C2 1 25 470 T I x L REC 82 8 lt GND 33 7 2 CH OUTPUT 25 2 x Swi 6 FRONT END 5 Ns 900 9 PHONO 1 7 9 1 2 60 0 CENTER METER
5. qw VIII TUNING CORD THREADING TUNING CORD START FINISH Fig 8 Tuning Cord Threading 13 CLASSIFICATION VARIOUS BOARDS 1 BOARD INTERCHANGEABILITY CHART P C Board AA 1020 AA 1020L Board 5270 AA 5270A Main Amp P C Board 5275 5275 i Power Supply P C Board AA 5273 5273 Tone Control Board AA 5295A 5295 Filter Mute Board AA 5276B AA 5276B LED P C Board AA 5270B AA 5270B Protection P C Board 5271 5298 Trimmer P C Board Mark indicates non interchangeability eS 7 2 COMPOSITION OF VARIOUS BOARDS MFC P C BOARD AA 5270A AA 1020L 1 BOARD 5270 1020 x j BLK RISD Qe RIS 160 LYOHS LHM 178 55082 1 X18 9 077 LHM d Mei H 522 _103009 2221952 cn goc 22 ep 5 p E non 00277 00 1 A Sisi ft En are 4 on ES 038316 Wi Pav MOL Leueuze 3 R22 8 2K 0 5 panema Cal 2 2 elm ole N 9 15 Sre ort o E R BBV 8 ag 9 2 72
6. POWER REQUIREMENTS DIMENSIONS 110 Volts 220 Volts 240 Volts 50 60 Hz Switchable _ 120 Volts 60 Hz CSA 220 Volts 50 Hz CEE 440 W x 140 H x 350 D mm 17 3 x 5 5 x 13 8 Dimensions include all protruding parts 12 kg 26 4 lbs NOTE Specifications subject to change without notice DISMANTLING OF UNIT In case of trouble etc necessitating disassembly please disassemble in the order shown in photographs Reassemble in reverse order SCREWS FRONT PANEL TUNING KNOB A die E i 1 I OO 4 Boc wg Bs b c CONTROL KMOBS ADJUSTMENT SUO E bert s PMEREPRRREERRPREE M 1 ARRANGEMENT OF PRINCIPAL PARTS BAR ANTENNA BOARD 5270 POWER TRANSFORMER AA 1020T 5 MAIN AMP PC BOARD 5275 FRONT END POWER SUPPLY BOARD AA 5273 o LS es oe IET 77 cen S d e DE 6 FILTER MUTE BOARD 52958 TONE CONTROL BOARD 1 AA 5295A TOP VIEW TONE CONTROL BOARD FILTER MUTE 52 5 BOARD AA 5295B PROTECTION MAIN FUSE BOARD BOARD AA 5275
7. 2SC930 E F ET618873 AA 5270A 2SC945L K P ET635220 AA 5270A 2SC711 E ET380834 AA 5273 25 536 370607 5275 28C1647 R S ET658181 25 1166 650654 5275 25 1124 1 2 551564 4 25 1222 459810 5295 28 4581 523405 5275 25 1000 654862 5270 28 1313 604124 2SC1449 K L ET649034 AA 5273 2 D313 D E ET556086 250234 0 ET393568 28D371 O Y ET650632 5275 2SC1111 0 Y ET556648 2SD571 L M ET655356 5273 250234 0 ET393568 10D1 ED224526 5273 1N4003 570295 22154002 511907 1R5BZ61 ED650621 AA 5273 j HIFLSPECIAL 400 ED558033 WZ130 ED539976 5273 152473 ED624903 AA 5270A 151588 ED557447 VD122 ED490511 i AA 5215 STV3H ED556514 SEL102R ED650812 AA 5270B uPC30C 1650362 5270 LA1230 1650586 5270 4 1650597 5270 31 INDEX Parts No ee Parts Ee Parts E Parts BA649350 1 1 551441 3 7 EL650158 8 83x SK634410 BA649383 3 1 EC551441 3 C9 EL650158 8 105x SK634410 BA649427 2 1 EC551160 3 C1 EL650193 8 108x SK646817 BA649440 5 1 EC551160 3 C10to15 EM664424 8 123 SK646828 BA649451 4 1 551160 8 84 EOS39820 1 14 5 646830 BA649473 6 556018 1 C3 EOS39820 8 151 SK652397 BA649473 8 161 EC565896 8 85 EO650373 1 3 SP6
8. 8 132 8 133 8 134 8 135 8 136 8 137 8 138 8 139 8 140 8 141x 8 142x 8 143x 8 144x 8 145x 8 146x 8 147x 8 148x 8 149 8 150x 8 151x 8 152x 8 153x 8 154x 8 155x 8 156x 8 157x 8 158x 8 159x 8 160 8 161 Parts No EL650193 EZ610773 EZ655198 EZ665785 EZ665820 TA646762 ZW2 70123 2 260122 646773 645682 TA675123 ZW610503 ZW610492 TA648314 EZ646626 EM664424 TA646367 TA646795 TA646784 ZW659147 2 659158 ZW659160 ZW659171 ZW659182 ZW659193 5 645726 5 664200 TA646806 52645243 5 634410 EJ254957 EJ539447 EF277413 EF602550 EF666191 EF593706 EF277402 EF623114 EF487438 EF659711 ZW 562476 1645928 1205986 539820 MZ229138 MZ229138 TA646503 EJ665818 TA605878 TA605878 SE569744 SE569744 EJ650272 BA649473 Description Lamp Cord Type 14V 100MA 650M Mx2 Fuse Angle A8 Fuse Holder 5 Base Fuse Holder 6P Large CSA Fuse Holder 6P Small CEE Connector Bar E Ring 4M Washer Nylon D6 1x10x1t Joint Scale Plate A Scale Plate E 1020L Washer D11 Nut M11 Lamp Reflect Plate Meter Cushion Tuning Meter 85C244 Rail Pointer Pointer Base Adjust Washer D4 5x10x0 13t Adjust Washer D4 5x10x0 25t Adjust Washer D4 5x10x0 25t Adjust Washer D4 5x10x0 4t Adjust Washer D4 5x10x0 4t Adjust Washer D4 5x10x0 5t Bottom Plate Bottom Plate B CEE CSA Fuse Cover Circular Foot A
9. e Log C44 R55 c46 e or o 208 2 Le OI 8 d i 1 0 PHONO 8 22 1 R C37 001 22 25 R52 2 2 N 15 R53 2 2K o c2 C4 R2 27K NE di lec 1725 ms 100 R7 ISK 008 f oni 00 Wee 2 303v loe 22 25 275V e pz jeg C3 30P 1F 9 R4 120K pb k i O EL A leo X C3b 30P t tag ook ey e gt _ I les Ze SZ cal 2 m Be ge A Me RI8 12K ET 2 x 8 330K 5 ei d o AL 8 So s d 5 as md CIOb ad RI9 36K mi 2 its e toe 1 875 4 gt leo el 2 8 8 51 MA 59 DD g REOR Sle 270P S 1 NE 7 1 o odes gz i i L Soa STe H WHT WHT LONG BLK WHT CROSS BLK WHT SHORT BLK WHT x xj 2l mae llc 10201 16 17 1222 3 x 27 1986 2803 ony Tete 2803 TY 2S037HONY EC dh POE RUD 4 7K Ria 150 Ri4b 150 we 2 9 9 174 3 1 2 q 22 Rigo 1 24 22 S MR mr a
10. 2 RED Error 5 Coverage MFC P C Board within 2 01100 Adjustment Sensitivity x Bar Antenna Maximum S Adjustment MW Coil Sensitivity 66 x Frequency MW OSC Trimmer Error 7 MFC Board within 2 01 Adjustment gt T e Sensitivi Ge Maximum 4 tne MWANT Trimmer 1 400 kHz optional input SH Trimmer P C Board y Chart 4 11 Vil MAIN AMPLIFIER ADJUSTMENT VOLT METER OR TESTER 50V RANGE AMMETER 50 to RANGE CONNECTED AS REQUIRED CONNECTED AS REQUIRED RIGHT CHANNEL LEFT CHANNEL Fig 7 Main Amp Board 5275 1 Idling Current Adjustment Refer to Fig 7 1 Disconnect the protection fuse F 2 F 3 from the Protection Fuse Board 2 Connect a 50 to 100 mA scale ampere meter to the place from which the fuse was removed in step above 3 Adjust Main amplifier P C Board semi fixed resistors VR 2 200B left and VR 2b 200B right to obtain 40 mA on both channels 2 DC Balance Adjustment Refer to Fig 7 1 Set voltmeter or tester to SOV DC range and connect between TP 1 of Main amplifier P C Board and chassis 2 Adjust semi fixed resistors VR 1 30 kB left and VR 1b 30 KB right to obtain half the value of the power supply voltage 12 a a 2 Tee EE IE A IE EAI A OOI Ae ee ee ies
11. Adjustment Bar Antenna Core 2 Sensitivity T 1 YLW BLK Maximum 520 kHz optional input Adjustment T 3 WHT Sensitivity See Fig 1 MFC P C Board High Range 3 Frequency TC 2 Tracking error 1 400 kHz optional input Coverage Front End Less than 2 See Fig 3 Adjustment Sensitivity TC4 Maximum 1 400 kHz optional input 4 Adjustment Front End Sensitivity See Fig 3 NOTE Repeat procedures in steps from 1 to 4 10 Chart 2 0 wr 0 1 LW SECTION ADJUSTMENT Refer to Figs 2 6 AM LW AND MW TUNER SECTION ADJUSTMENT Model AA 1020L Step Adjustment Item Adjustment Point Result Remarks Low Range Frequency T5 PNK Error MFC P C Board within 2 08 Adjustment mS E f 2 w Bar Antenna LW Coil Sensitivity T 1 YLW BLK Maximum 4 Adjustment T 3 WHT Sensitivity 1O KHE In ur MFC P C Board High Range C 66 Frequency LW OSC Trimmer Error aM 34 E Coverage MFC P C Board within 2 000700 Adjustment Sensitivit Ge Maximum 4 sed LW ANT Trimmer eegen 340 kHz optional input Trimmer Board 2 3 2 MW SECTION ADJUSTMENT Refer to Figs 2 6 Step Adjustment Item Adjustment Point Result Remarks Low Range 55 Frequency
12. l 1 1 1 I l 1 1 1 LOUDNESS T l I 1 1 VOLUME TRI 9 VR3 25 1222 1 l I 1 I I i 1 1 1 1 1 RH 3 6K TREBLE S TONE CONTROL PC BOARD 5295 30 30 R6 IS 5 6 TR 2SDS57I L M POWER SUPPLY PC BOARD AA 5273 TR 2SC945L N IOLING CURRENT ADJ 22 a XP sev 5 gt 3 3K TRS E m 29 3v i 9 ALANCE AD of EA i egT eS te i Cer 2 m 5131 es 3300 35 SE gt i r n9 iH Q 1 1 55 I 9 I N 1 x n ma 27 3 Va Z a RIGHT 7 TR4 a 2 3 8 Ho o zo HACEN eo Te foot E 5 LEFT TR 2 1222 TRA 25 1166 ONY TR2 2SC945L K P TR4 254661 1 1 tH 1 RIGHT 1 SPEAKER B VN 1 4 0 R4 PHONE IW 220 K PHONE i w o O r RS D iw 2200X t J2 1 I 1 F2 16 La 3 F3 1 6 MAIN AMP BOARD 5275 60 METER LAMP IND SS 1 e UN 13 5
13. 650395 650373 EO650608 BT633025 ED624903 EV484863 EV 499364 EV465017 EO 650610 EO 650428 EO 539820 ER650430 TA646738 25422076 650272 MZ656807 539662 EJ539662 EC455354 EC450055 556018 290531 EC 329758 EC622991 EC368256 EC650340 EC650351 EC516723 EC650406 650417 427228 EC329782 EC427228 EC329771 EC650417 EC658012 EC650417 EC654041 EC427228 EC320051 Description Multi Function P C Board Comp AA 5270A Multi Function P C Board Comp AA 5270A 1020L 30 IC LA 1230 IC LA 3350A Transistor 2SC1222 E F Transistor 28A733 Q R Transistor 28C930 E F Transistor 2SC945L K P Silicon Diode 152473 Rotary SW SR26N 3 9 6 22 5 KC Rotary SW SR26N 5 17 6 225 KC 1020L Rotary SW SR26N 2 4 5 22 5 KC AM 1F Trans CFU 085 D 468 kHz OSC Coil RWR 41498A AM 1F Trans RLC 41543A 468 kHz Discri Coil MV4 FLC 20000 LW OSC Trans 34H 215 1020L Silicon Diode 182473 Semi fixed Vol V10K8 4 2 1 kB Metalized Film Semi fixed Vol V10K8 4 2 5 kB Semi fixed Vol V8K4 1 200 kB Inductor 1441 7 18 uH J Inductor 146LY 39 7 Peaking Coil 2 2 Ceramic Filter SFE 10 7 MA 8 Z Switch Support Screw pan head 3x5 Pin Jack 14P JPJ379 1 1 Jumper Wire P C Board 12 5 mm Wrapping Post 1x17 Wrapping Post 1x17 1020L Capacitor Vertical Type Elect 1004F 35WV Elect 1uF 25WV VFM 30PF K 50WV VFM 100 50WV Elect 10uF 16WV Elect 0 47uF 25
14. Push Button Knob J Lug Plate KP1L Earth Terminal 2P T4460 Fuse ST 2 2A CSA Fuse Semko T Type 1 25AT 250V CEE Fuse Semko 1 6A CEE Fuse Semko T Type 500MAT CEE Fuse ST 2 1A CSA Fuse Semko T Type 200MAT CEE Fuse ULMF61ML 125V 0 2A CSA Fuse ST 2 1 6A Earth Lug M3 CSA Short Pin Cramp Terminal 2 SD Peaking Coil 2 2 1020L Wire Bundle Holder N 108 CSA Wire Bundle Holder N 108 P C Board Table CEE AC Cord Repeater Terminal Plate 4P CEE Lead Protecter CEE Lead Protecter CSA Knob Escutcheon CEE Knob Escutcheon CSA Pin Jack 14P JPJ379 1 1 LED P C Board Comp Schematic No 28 2 47 8 5054 40 1 71 40 1 82 40 1 83 AA 5239 6 1 9 AA 5240 AA 5231 AA 5231 36 13 2 36 13 3 5251 5223 46 1 116 5234 5242 5241 5246 5246 5247 6014 91 5051 33 3 2 32 1 32 39 1 26 39 1 53 39 1 54 39 1 53 39 1 26 39 1 53 39 1 40 39 1 26 5263 32 1 8 23 1 187 2 35 1 2 35 1 5206 33 2 54 5 5007 5 5007 TD 6017 TD 6017 31 1 148 AA 5270B A RN N Fa t Fan Fa LH 29 9 PHOTO OF FINAL ASSEMBLY BLOCK 9 FINAL ASSEMBLY BLOCK Ref No 9 1x 9 2x 9 3 9 4x 9 5 9 6 9 7 9 8 9 9 9 10 9 11 9 12 9 13 9 14 9 15 9 16 9
15. ala Wm BN Tj ie V Da P 92 1 992 64 WHT CROSS BLK WHT SHORT BLK WHT WHT LONG BLK 1020 15 R49 5 6K 12 6 5 S os c32 o 4 9 9 4776 3 E x ebe M R27 O ves 9 FN e o e o SC p ED Ko amp 8 FM MUTE z ei Se FRS e LEVEL ADJ o o 088 0 52 25 755 e 8 466507 52v 09 S 8 8 2 70 Y 5 te We eoe 5 ot csi 5 9 Ard 3 R23 1 5K L d o 8 s e 9 gt gt gt 2 FLI G x gt gt gt 2 Z SFE 7 4 001 jt p o EES 8 2 5 ST De 59 ae 5 d aris S x 9 3 2 e 1234567 8 Sloss 2 0 2 S 9 o Q 5 ICI gPC 30C I 16 Te e 93 e 2185 HN REC Ae R33 470 UR36 0 o o o Zch bab 100 bat d lt 188 41 9235 2 0022 5 ay 8 meim let ap eaput Li EST i I9 5 55 52554 e Se n ede 5 SE 51959 amp 2 i K 1 303V 8 D amp Ai 4 b L i
16. 17 30 Parts No Description FRONT PANEL BLOCK BZ649304 BZ670713 SP645704 SP679432 SP645715 SE613888 MZ659777 ZW526577 Front Panel Block Comp Front Panel Block Comp 1020L Front Panel B Front Panel C AA 1020L Front Plate Button Escutcheon A Reflection Stopper Collar B Jack ASSEMBLY BLOCK 25325495 679408 5 641597 ZW548010 25510344 5 646817 5 646830 5 646828 5 634410 Tapping Screw 2 3x6 BR Case 2 Ventilation Spot Facing Washer Screw binding head 4x12 Single Knob Selector Knob Tuning Knob Small Push Button Knob J Schematic No 5244 AA 5244 AA 5245 CW 6021 AA 5269 MC 5006 AA 52108 AA 5249 MU 6028 5250 5253 AA 5252 91 5051 Q ty dll siii S DPI PRESE 10 LIST OF INTERCHANGEABLE SEMICONDUCTORS As far as service in concerned in case the original parts cannot be obtained the interchangeable parts listed below can be substituted Original Parts Interchangeable Parts Description Parts No Utilizing P C Board Description Parts No 25 661 650665 5275 2SA706 3 1 2 ET556020 2SA733 Q R 557965 5270 25 536 ET342707 AA 5276B 2SC711 E ET380834 2SC945L K P ET635220 Z
17. End AA 1020 Fig 4 Front End AA 1020L BAR ANTENNA BAR ANTENNA CORE REAR PANEL Fig 5 Model AA 1020 BAR ANTENNA LW ANTENNA COIL MW ANTENNA COIL REAR PANEL E Fig 6 Model AA 1020L amm 22 00027 Se egenen ARR NAT teen nt ental rt me een dee r gege e M as Step Adjustment Item Adjustment Point Result Remarks SELECTOR to FM AUTO 1 Front End IF IF Coil Maximum noise Tune only noise without inter Coil Adjustment Front End level ference of broadcasting See Fig 3 Tunine Meter T 4 Lower Center 2 GE Side Core Indication of Same as above See Fig 1 MFC P C Board Tuning Meter Distortion T 4 Upper Less than 0 4 108 MHz 60 dB mono input 3 Factor Side Core Distortion Less than 0 4 on both channels Adjustment MFC P C Board Factor See Fig 1 Confirmation of If Tuning Meter indication is not 4 Tuning Meter at center position re adjust Indication STEPS 2 amp 3 above Frequency TC 1 108 MHz 60 dB mono input 5 Coverage Front End Error within 250 kHz See Adjustment SEN Fig 3 Adjustment Front End Se 5 Factor Low Range Less than 3 88 MHz Less than 10 dB 7 Sensitivity Distortion mono input Error within Confirmation Factor 250 kHz See NOTE Mid Range Less than 3 98 MHz Less tha
18. F di o Sw2 2 R REC 2 O 266 9 30P K ay 0918 0 47 25 Da s 20 PB 2 O 2 9 09 C2 1 25 Deh PB 9 5 E eg 2 i x zg 2 x x H 2 L CH REC 82 J i work 18 5 Fv o x g e eP Je Se x8 bi Ke es 5 GND 63 22 GND og CH OUTPUT R CH REC GD 12 64 2 i2 V lt SWI 2 R PEE 8 EE wee 6 FRONT END 12V PB 59 ee 99 5 295 o9 94 o ESCHER i NA PHONO 1 K K ECH Q 5 3 Ss d 4 e ONO 2 9 I OO Wy aux A CENTER METER 8 L2 33mH J msa 22k LL BE w 2 E REC 2 et ar er d l 5 m L H esce e PB 2 O e 2 3 SNo Ei R38 47K 5 CFU 085 0 468 AM COLD ES R37 100 12 6 keen o L3 39mH J x aeT Ze 9 3 ix of C68 0 047 M eno 0047 2 o 8 li C28 2 2 25 R48 68 a R54 3 6K C44 0 027 K a d 8 C33 10 6 R55 3 6k C45 0 027 k R25 00470201 8 29 3j 21 M 1 0047 R24 2 2K 56 R36 10 2 47 25 M oR it 1 49 My gt R We C46 1 25 H R56 15 3 4 d s 0529 R35 330 va 39 330 3 3 d v4 5 6K e DFM STER
19. P C Board Table Tapping Screw 2 3x6 BR Wrapping Post 1x17 Metal Oxide Film R 2W 5602 K Capacitor Vertical Type Ceramic NB821YZ 0 01 uF Z 1 4 Elect 100uF SOWV Ceramic DD106FZ 0 01 L F Z 50WV VFM 300PF K 50WV Elect 330uF 25WV Ceramic DD106FZ 0 01 F Z 50WV Elect 100uF 16WV Ceramic DD106FZ 0 014F Z 50WV Ceramic NB821YZ 0 01 uF Z 1 4 kWV 1020L Carbon Resistor Omitted Q ty 4 FILTER MUTE BOARD 5295 Symbol Parts No No 4 1 BA649451 4 1 ET 342707 44 1 61 4 2 EJ 539662 4 C1 EC650788 4 2 EC379833 Description Filter Mute P C Board Comp AA 5295B Transistor 28C536 E F Push SW 0005 1320 Wrapping Post 1x17 Ceramic C DD310 950BC 0 047 50WV Mylar C 0 00824F K 50WV Carbon Resistor Omitted Q 1 1 Q t N ty 1 1 1 0 2 N 5 TONE CONTROL BOARD 5295 BLOCK Symbol No 5 1 5 TR1 2 5 VR1 5 VR2 5 VR3 4 5 2 5 5 C2 5 C3 5 4 5 6 5 7 8 5 9 5 10 5 C11 5 C12 5 C13 Parts No BA649440 ET459810 EV650711 EV650700 EV 650722 EJ539662 EC336194 EC650733 EC350684 450055 EC220432 EC379157 EC331828 EC650520 474671 EC329771 EC220432 Description Tone Control P C Board Comp 5295 Transistor 2SC1222 E F Co axial 2 t
20. RLC 41543A 466KHz 22K 150K 5 9 ojo v g 21 e 8 2 PLL 9kH2 ADU 5 5 A7330 g Bian m 2 rr or A 25 2 5 at oa z Bg 2 2 SWITCH POSITIONS NOTE S THERW PECIFIED SW b SELECTOR SW2 AL SS oo tons I ons 1 2 ALL CAPACITORS IN UE 50WV J 2 amp MARK INDICATES LOW LEAKAGE CAPACITORS Omne Gs AA 1020 4 PHONO 1 2 moe i SCHEMATIC DIAGRAM 8 Aus 4 1520228 10201 PHONO 3 2 aux O TRI 2 2SCI222 EXF 2 3 FM MONO FM AUTO 2 3 SOURCE 0 O DN RI IK D X 3 2 2K x M 0 4 4 33v 2 30V nf 5 zT RIT qa E 3 5 swi 2 F swa 2 F w Oom Swi 3
21. d4 ag 1 r R28 150 x 300 Uw Ow Na 222 05 ue ur 1 1 i es 13 2d i ELE 200007 zie n 26204 fos x o o x E dau ee se e am te ADJ 59 PLL I9kHz H e wi 1 ote e gt 22 a J Sr e d M 5 2 e C57 0047 i Q 2 ple RG b H Se BA PNK 1 r tr Om wr 4 60 1 1 C30 0 047 9E ete ooeee D d PT Si 1 Cal A R25 56K TAPE 1 9 C61 0047 547 FW DISCRI ADJ 208 25 8 e 49 ED S OSC MW oer amp 500P K e e x 2 d REC 6 254 3 CTY 21D 15 gt EE z ER i l 1 H 8 KE ML 8 68 TRS xx 3 aT o 2 os 8 2SC945L K Pk Q 2 x ET 5 599 001 M o EJN 25 o 9 EE N e R59 100K C68 0 047 NE o 5 We A AUX ten 047 25 x EC dS ii 0 0068 8 1091 8 040 o C34 3 se 1 o dope t EL 0 0068 8 leo 1433504 2 5 M YLW 18 76 12227475 tes 15 n ie A RE s 3 leier 3 sw 5 1 _ M 15 195 w 1 P 1 ime 2 39i L3 2 Tes x ime R54 3 6K L2 39mH eije e ei 1506 36 0 0047 1 l x 5 27OP
22. e N el o o E i m SE sj e 8 z gt 7 i P ZT o S o1 e o 8 4 4 eis 22 p o o EA Rt 9 g 24 o ei 3 o 9 i 29 9 o x 4994 lt 9 21 2 5 o 9 ot i 5 A 5 9448 42 29 Ry 4 2 o 256122 Ke St 9 St 1 2 00 M 4 0084 S ev ony Z 1b 270 at ob x il el 5 2 2 Rie 10K She alie 8 T 2SC1222 E F 9 RIQ 5 6K W e VR4 250K x 2 TREBLE 18 19 AINO 0201 tax 3 2 e N N 8 lt lt lt lt CH N N lt lt lt lt lt lt gt e 5 lt 2 z lt Q Z 2 x a e E e CS lt OE REECE i ari dE se PSU Pr MENS ORE an e e n B jos e KM RA HM aR ide RIN Lad re rer t S a EE S E eS 20 CHIC 91 1 1 8 2 29 1 PEP 80 eene se s e EE HOA RU aaa a aG n EE E SECTION 2 P
23. 03 ZW 646740 ZW 646751 ZW650643 ZW652408 ZW659147 ZW659158 ZW 659160 ZW659171 ZW659182 ZW659193 ZW666180 8 61x 8 26x 8 62x 8 42 8 24 8 25 3 6 9 8 9 12 8 11x 8 148x 8 27 8 120x 8 119x 8 76 8 70 8 48 8 14 8 127 8 128 8 129 8 130 8 131x 8 132x 8 53x 32 1020 N RENT ADJ P IDLING CURREN D 61 8 amp 7 SOP zea SPEAKER A XR ei 616 RU 223 67 NTRS Va OC BALANCE ADJ ko C9 9 3300 35 3000 DIST jam Loc Ci 0 047 7 M 8 x E d R3 5 6K 9 4 48 2 Sw vo 0 x 5 aj 46 gt E 2v e eam 205 gt amp FM 751 XR2 1 5 7 0 E x Q 1 s oraa M ei K TRI d anes Si Si 1 cs 100P n 26 8 E 4 D I s 8 See e Sie j 8 5 ANTI 2 x G 5 s e 5 3 09 i TRI TR2 25 9451 4 2SA661 OXY 25 1222 2581166 0 Y TRS 6 25037 O Y 5 Ri iaw aas LIT 4 R2 traw 1 5K 2 15K SPEAKER 8 R4 W220 K RS Iw 220 K O TR 2SC536 E F FM MUTE FILTER MUTE PC BOARD AA 5295B 6800 63
24. 106x 8 107 Parts No Description ASSEMBLY BLOCK TA641608 TA646852 MZ646492 TA646863 BT668294 BT665796 BT 665774 ZW273914 ZW413188 BA670814 EJ551035 ML668823 EJ539447 TA646514 TA646525 EC650114 ZW646751 25422076 TA646683 TA646378 562735 TA616847 ZW646740 1650136 TA207347 TC494267 TA646896 TA646582 MB650147 EL650158 551160 565896 5665875 5672254 MZ646558 TA646571 25406416 1634915 ZW270191 ES650182 ER653556 559034 ER428567 EZ624047 ES650171 25432674 649337 TA646593 MR530651 25530673 650147 1 650158 MZ664211 MR530662 Reinforcement Channel Side Plate Metal Parts Stopper Transformer Table Power Trans AA 1020T 5 Power Trans AA 1020T 3 CEE Power Trans AA 1020T 2 CSA Spring Washer M4 Nut M4 Trimmer P C Board Comp 1020L Wrapping Terminal 4P T 5251 Angle Earth Terminal 2P T 4460 Reinforcement Plate Capacitor Table Elect 6800uF 63WV Lug Type Nut Plate Screw pan head 3x5 P C Board Cushion Bari Con Table Front End FB112U21 Front End FB112U23 1020L Bari Con Washer Dial Wheel 045 01008 Thread 1 8m Lamp Cover Rail Table S pacer Rubber Bushing No 6552 Lamp Cord Type 14V 100MA 200M Mx2 Ceramic C NB821 YZ 0 01 F Z 1 4 Ceramic C DP6600YM 0 014 F P 1 4 KWV CSA Push SW SDG 1P TV 3 U L Push SW SDG 5P TV 3 U L SW Table Panel Support Tapping Screw 2 3x8 Countersounk Mic Jack 3PM
25. 36 EC320051 1 C60 EC666494 1 C49 ET635220 1 5 TA646547 EC321208 1 48 EC675742 1 C66 ET635220 2 TR2 TA646571 EC321221 3 2 EC675742 7 ET635220 3 TR2 TA646582 EC324538 3 5 6 EC684707 1 2 ET649034 3 3 TA646593 EC329758 1 C6 ED224526 3 D1 2 ET650632 8 45 TA646648 EC329771 1 C17 ED490511 2 D1 ET 650654 2 TR3 TA646683 EC329771 1 C32 0539976 3 07 ET650665 2 TR4 TA646738 EC329771 5 C12 ED624903 1 1 2 ET655356 3 TRI1 TA646762 EC329782 1 5 ED630621 3 D3to6 EV465017 1 VR3 TA646773 EC331828 5 9 ED650812 6 D1 2 EV484863 1 VR1 TA646784 EC336194 5 562735 8 74 499364 1 2 TA646795 EC350684 5 C3 650248 8 18 573366 2 VR2 6 EC357827 2 C7 664233 8 19 593368 1 2 646852 EC368256 1 C8 EF277402 8 144 EV650700 5 VR2 TA646863 EC368256 1 C52 277413 8 140x EV650711 5 1 TA646874 EC379157 5 7 8 EF487438 8 146x 650722 5 4 646896 EC379833 4 2 593706 8 143 374894 8 33 TA648314 EC405044 2 C2 4 F602550 8 141x EWS16600 8 34 TA675123 EC427228 1 C14 EF623114 8 145x 516600 8 35 TC494267 EC427228 1 C16 EF659711 8 147x EZ246936 8 29x 28325495 EC427228 1 201022 EF666191 8 142 EZ246936 8 37x 75325495 427228 1 25 26 1650362 1 EZ610773 8 109 75325495 427228 1 30 1650586 1 IC2 7624047 8 97 75380046 427228 1 57 58 1650597 1 IC3 EZ624734 8 46x ZS406416 427228 1 61 EJ205986 8 150x EZ646626 8 122x 75417150 42
26. 45704 BA662984 3 2 EC590848 2 5 EO650384 1 SP645715 BA662995 3 3 EC621257 11 EO650395 1 2 SP645726 BA670735 1 2 EC622991 1 7 EO650428 1 L2 3 SP645748 BA670757 3 4 EC650114 8 69 EO650608 1 4 SP645750 BA670768 3 5 EC650340 1 C9 EO650610 1 11 SP647910 BA670814 7 1 EC650351 1 10 ER428567 8 96x SP664200 BA670814 8 63 EC650406 1 12 ER559034 8 95 SP675145 BC679408 9 10 EC650417 1 EE622978 2 R17 18 SP679432 BF649337 8 100 EC650417 1 18 ER650430 1 FL1 2 SP679645 BT633025 1 5 EC650417 1 19 ER653556 8 94 57645243 665774 8 60 650463 1 27 653578 3 1 TA207347 BT 665796 8 59 EC650474 1 35 ES422436 8 6 TA378268 BT668294 8 58 EC650474 1 C39 ES624701 4 5 1 530910 BZ649304 9 EC650485 1 36 5650171 8 98 541552 BZ670713 9 2 EC650485 1 40 5650182 8 93 TA605878 EC220127 3 C8 EC650496 1 34 ES650283 1 5 TA605878 EC220364 2 C8 650496 1 38 ES650305 1 5 2 616847 220432 1 28 650520 5 C10 5664244 1 1 TA625847 EC220432 1 C42 43 EC 650698 2 C9 ES 665875 8 86 TA641608 EC220432 06 5 EC650733 02 5 5672254 8 87 TA645682 EC220432 5 C13 EC650788 4 ET342707 4 1 TA646367 EC290531 1 C4 5 EC650878 1 44 45 ET459810 1 1 2 TA646378 EC290531 2 C3 EC654041 1 19 ET459810 2 TRI TA646503 EC290531 2 C6 EC658012 1 18 ET459810 5 1 2 TA646514 EC320051 1 C23 EC658012 1 C68 ET557965 1 TR3 TA646525 EC320051 1 C33 EC664650 2 12 ET618873 1 4 TA6465
27. 5 1020L CEE EJ631945 Strain Relief SR 4N 4 EZ246936 Strain Relief SR 6W 1 CEE EJ631945 Strain Relief SR 4N 4 1020L CEE ZW273881 Earth Lug M4 CEE ZW273892 Toothed Lock Washer M4 CEE 25417150 Screw pan head 4x6 CEE ZW416698 Nut M4 CEE MAIN AMP BLOCK 25325495 Tapping Screw 2 3x6 BR EZ646885 HHeat sink Plate ET650632 Transistor 250371 EZ624734 Mylar Sheet 541552 Transistor Mt Plate ZW650643 Insulator Washer AC 310 25380046 Screw pan head 3x10 TA646536 Main Amp Support A TA646547 Main Amp Support B ZS447840 Tapping Screw 2 3x8 BR ZW666180 Washer D3 2x6x0 5t Schematic No AA 5207 5207 5207 5207 5207 25 3 40 32 1 69 34 1 4 52103 31 1 24 91 5029 55 1 25 55 1 31 5552 2 7 46 2 7 8 32 1 68 31 1147 26 3 19 26 3 28 26 3 28 2 7 49 2 7 8 2 7 49 5212 45 1 215 45 16 18 92 5007 45 16 19 5213 5213 Q ty m NM N N bet bet Fa OO D PS Ref No 8 54 8 55x 8 56x 8 57 8 58 8 59x 8 60x 8 61x 8 62x 8 63x 8 64x 8 65x 8 66x 8 67x 8 68x 8 69 8 70x 8 71x 8 72x 8 73x 8 74 8 75x 8 76x 8 77 8 78 8 79x 8 80x 8 81x 8 82x 8 83x 8 84x 8 85x 8 86 8 87x 8 88x 8 89x 8 90x 8 91 8 92x 8 93 8 94x 8 95x 8 96x 8 97x 8 98 8 99x 8 100 8 101x 8 102 8 103x 8 104x 8 105x 8
28. 5WV Elect 47uF Elect 10uF 16WV Ceramic DD310A 0 00684F J 50WV Ceramic DD340 257A 0 001uF 50WV Ceramic DD380A 0 00474uF J 50WV Ceramic DD310A 0 0068uF J 50WV Ceramic DD340 257A 0 001u4F J Ceramic DD380A 0 00474F J SOWV Elect 2 2uF 25WV Ceramic DD310 950BC 0 027uF K 50WV Elect 1uF 25WV Elect 220uF 16WV Styrol 1500PF K 50WV Solid Aluminum 0 224F M 25WV Solid Aluminum 0 474 F M 25WV Elect 0 47uF 25 Ceramic DD106FZ 0 014F Z 50WV Ceramic DD111FZ 0 0474F Z 5 Ceramic DD106FZ 0 01 2 50WV Elect 10uF 16WV Ceramic DD111FZ 0 047uF Z SOWV Elect 1 25WV VFM 160PF J 50WV 1020L VFM 75PF J 50WV 1020L Trimmer CTY 21D 15PF 1020L Styrol 1000PF J SOWV 1020L Ceramic DD310 950 BC 0 047 SOWV 1020L Carbon Resistor Omitted Q ty N bet 24 EE CALE OT ENA LAE NIT E LEE 1 28 2 MAIN AMP P C BOARD AA 5275 BLOCK Parts No 2 1 BA649427 2 TR1 ET459810 2 TR2 ET635220 2 TR3 ET 650654 2 TR4 ET650665 2 D1 ED490511 2 VRI1 EV 593368 2 VR2 EV 573366 2 2 EJ539662 2 R17 18 ER622978 2 539943 2 2 405044 2 C3 EC290531 2 C4 EC539943 2 C5 EC 590848 2 C6 EC290531 2 C7 EC357827 2 C8 EC 220364 2 C9 EC650698 2 C10 EC487394 2 C11 EC684707 2 C12 EC664650 Description Main Amp P C Board Comp 5275 Transistor 25 1222 Transistor 25C945L
29. 8995 7 C2 EJ254957 8 138x EZ646885 8 44 75421740 450055 1 2 EJ299316 8 15 EZ655187 8 8 ZS421806 EC450055 1 31 EJ539447 8 66 EZ655198 8 110 75422076 450055 1 46 EJ539447 8 139x EZ665785 8 111x ZS422076 450055 1 62 EJ539662 1 7 665820 8 112 ZS422076 450055 5 C4 EJ 539662 1 8 650147 8 82 75432674 450527 1 29 EJ539662 2 2 650147 8 104 75447761 455354 1 EJ539662 3 11 1650136 8 77 75447840 469708 1 67 EJ539662 4 2 668823 8 65 75510344 474671 5 11 1 539662 5 2 MR530651 8 102 25530673 485111 1 65 539662 7 2 MR530662 8 107 75552600 487394 2 10 EJ551035 8 64x 2229138 8 152x ZS608185 516723 1 1 631945 8 28 MZ229138 8 153 75675382 522167 1 50 EJ631945 8 36x MZ646492 8 56 ZW260122 EC523293 1 C64 EJ631945 8 38x MZ646558 8 88 ZW270123 539943 2 C1 EJ634915 8 91 MZ656807 1 6 ZW270191 539943 2 4 EJ645928 8 149 7659777 9 7x 2 273756 551215 3 C4 EJ650250 8 30 MZ664211 8 106 7 273756 551441 1 24 1 1650261 8 32 5 569744 8 158 7 6 551441 1 54 EJ 650272 1 5 SE569744 8 159x ZW273881 551441 1 59 EJ650272 8 160 SE613888 9 6 ZW273892 551441 3 C3 FJ 665818 8 155x SE641597 9 11 ZW273914 Ref No amp Symbol No Parts No Ref No amp Symbol No ZW273914 ZW 345442 ZW413188 ZW416698 ZW420682 ZW420682 ZW465715 ZW526577 ZW548010 ZW 562476 ZW 562476 ZW604416 ZW610492 ZW6105
30. ARTS LIST TABLE OF CONTENTS 1 MULTI FUNCTION P C BOARD AA 5270A BLOCK 24 2 MAIN AMP P C BOARD 5275 BLOCK 25 3 POWER SUPPLY P C BOARD AA 5273 BLOCK 25 4 FILTER MUTE P C BOARD AA 5295B BLOCK 25 5 TONE CONTROL P C BOARD AA 5295A BLOCK 26 6 LED P C BOARD AA 5270B BLOCK 26 7 TRIMMER P C BOARD AA 5298 BLOCK 26 8 ASSEMBLY 27 9 FINAL ASSEMBLY BLOCK 30 10 LIST OF INTERCHANGEABLE SEMICONDUCTORS 31 INDEXA o oca LEA E EE 32 Some of the parts in this parts list are only available as a complete assembly and can not be supplied as individual parts 21 22 HOW USE THIS PARTS LIST 1 This parts list is compiled by various individual blocks based on assembly process 2 When ordering parts please describe parts number serial number and model number in detail 3 How to read list The reference number corresponds with illustration or photo number of that particular parts list This number corresponds with the Figure Number This number corresponds with the individual parts index number in that figure small indicates the inability to show that particular part in the Photo or Illustration 12 115x Schematic Diagram Number of individual manufactured part not required for parts order Q
31. EO LAMP E Get SST SFE 10 7MA 8 Z uA E 49 MAC EEG 20000 x 1 9 9 9 D 4 aX 8 94 I 3 j pPC30c 2 LAI230 e z amp IC3 LA3350A STEREO 0 022 M 1 Kat 0 047 Z S 5 SEPARATION Ae giis z t SR ee p asmanta 1 Ads 0 og 9 4 2 8 5 amp we 9 ae 5 E 25 ERE N x e ANT er m 5 54 330 68 5 gt 15 49 9 B E vna E 5 5 G4 19kHz CHECK Or AN 6 1 MUTE EVE Wr R58 TR3 Ti M LI N fy R33 470 ADJ i 0 47 25 M 2 TRS 5 ES 43 s 91 Q Q Q4 8 2 E 9 z R60 8 2K GOP eni LAT Il 8 swi s 12222 See 2 GT Ze x l FRONT END G 4 0080 1 R29 22K 5 8 8 E 2 g 3 520 CIS 310P 828 2 S Z N 39 o o 81 PLL 9krr ADU T2 T5 34H 215 9 T2 TR3 2SA733 Q R TR4 25C930 E XF RWR 41498A 90 25 5 5 n z D i SWITCH POSITIONS 5 2 SWI SELECTOR SW2 TAPE y 5 E gt E z 19 4 5 6 PHONO 2 AUX 4 2 5 2 I NOTE I UNELESS OTHERWISE SPECIFIED ALL RESISTORS ohms 4W J ALL CAPACITORS IN WE 50WV J 2 MARK INDICATES LOW LEA
32. J1 E Jack Nut Rotary SW SR 321N 1 2 4 30R Metal Oxide Film R 1W 220 ohms K Metal Oxide Film R 2W 330 ohms K Solid R RC1 2W 2 2M K CSA Cord Retainer CSA Push SW 2FT 0001FF4920 Screw pan head 3x3 Flywheel Block Comp Roller Table L Roller A Roller Screw A Rubber Bushing No 6552 Lamp Cord Type 14V 100MA 200M Mx2 Roller Table R 2 Roller B Schematic No 5202 5201 5205 5204 38 4 396 38 4 369 38 4 368 5298 32 1 36 52102 32 1 32 5208 5209 24 10 100 5238 5229 5236 57 2 29 57 2 32 5237 2 15 11 CG 2206 5215 5219 3 13 44 28 2 48 24 5 55 24 5 58 25 5 199 25 5 207 5216 5218 21 2 50 25 7 45 35 15 17 35 15 16 35 5 4 2 7 48 25 5 184 5220 91 5008 91 5010 3 13 44 28 2 48 52104 91 5009 Q ty bet N NWN bet Po 28 T SI EE EERSTEN NSE IEA ON ELI ELD gta p HN a TV vv s s Ref 8 108x 8 109x 8 110x 8 111x 8 112x 8 113x 8 114x 8 115x 8 116x 8 117 8 118x 8 119x 8 120x 8 121 8 122x 8 123 8 124x 8 125 8 126x 8 127x 8 128x 8 129x 8 130x 8 131
33. K P Transistor 2SC1166 O Y Transistor 28A661 O Y Varistor VD1222 Semi fixed Vol V10K8 4 2 30 kB Semi fixed Vol V10K8 4 2 200B Wrapping Post 1x17 Metal Plate R MPC71F1 5W 0 471 Capacitor Vertical Elect 3 SOWV Elect 22uF 35WV VFM 100PF K 50WV Elect 3 31 50WV Elect 33uF 35WV 100 SOWV VFM 50PF K 50WV Elect 100uF Elect 3300uF 35WV VFM 47PF K 50WV Ceramic DD109F 0 0224uF Z SOWV 36PF K 50WV Carbon Resistor Omitted 11 4 NNNNNNNN N NN 3 POWER SUPPLY BOARD 5273 BLOCK Symbol Parts No No 3 1 BA649383 3 2 BA662984 3 3 BA662995 3 4 BA670757 3 5 BA670768 3 1 655356 3 TR2 ET 635220 3 TR3 ET649034 3 D1 2 ED224526 3 D3to6 ED650621 3 D7 ED539976 3 6 ZW465715 3 7 ZW273756 3 8 75421806 3 9 646874 3 10 75325495 3 11 EJ539662 3 ER653578 3 C1 EC551160 3 C2 EC321221 3 C3 EC551441 3 C4 EC551215 3 C5 6 EC324538 3 C7 EC551441 3 C8 EC220127 3 C9 EC551441 3 C10to15 551160 Description Power Supply P C Board Comp AA 5273 Power Supply P C Board Comp AA 5273 CEE Power Supply P C Board Comp AA 5273 CSA Power Supply P C Board Comp AA 5273 1020L Power Supply P C Board Comp AA 5273 1020L CEE Transistor 25D571 L M Transistor 2SC945L K P Transistor 2SC1449 K L Silicon Diode 10D1 Silicon Diode 1R5BZ61 Zener Diode WZ 130 Washer SPC D3 2x6x0 5t Nut M3 Screw pan head 3x8 Power Supply
34. KAGE CAPACITORS AA l020L SCHEMATIC DIAGRAM 4 4 1520229A
35. O20T 3 Power AA IO2OT 2 w n F4 M TET TR ar sw3 d V 2 NOTE 1 E ete 1 UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1 4W J T 2 F ALL CAPACITORS IN pF 50WV J AC 2 POWER TRANSFORMER BLOCK S I I 220V DIFFERENT ACCORDING TO AREA AM ik 240V 120V 60Hz 0 TET ee SE x 1 TONE CONTROL BOARD 5295 0 40 lo CEE AC 220 50H lo CSA 120 60Hz BEAB AC 240 50Hz AA 1020 SCHEMATIC DIAGRAM no 4 520226 10201 75 FM GND MW PHONO PHONO 2 AUX L p REC TAPE Les 2 PHONO 1 2 AUX R REC TAPE Leg REC TAPE 2 FRONT END e O 2 2 uH Y BOARD 5270 RI TRI 2SC536 E XF FILTER MUTE P C BOARD AA 5295B FM MUTE LED PC BOARD 5270 S 94 5 4 1 28 21 0 16 TRIMMER BOARD AA 5298 8 zB s o a o 752 8 N 5 x N gt x R3 IK
36. SECTION 1 SERVICE MANUAL TABLE OF CONTENTS I SPECIFICATIONS os teint Du ws u EE Il DISMANTLING OF 5 RO Rae Xs ARRANGEMENT OF PRINCIPAL PARTS IV FM TUNER SECTION ADJUSTMENTS 2 5220 4 55229265596 Lis TUNER SECTION ADJUSTMENT Model 1020 VI LW AND MW TUNER SECTION ADJUSTMENT Model AA 1020L LOBWSSECHION ADJUSTMENT ai au tana ahaa aptos cod es 2 MW SECON ADJUSTMENT oid ez OSE ad SAN ER a MAIN AMPLIFIER ADJUSTMENT e tL Wa Aca ue dua TUNING CORD THREADING e hee ee tao eg IX CLASSIFICATION OF VARIOUS P C BOARDS 1 P C BOARD INTERCHANGEABILITY 2 COMPOSITION OF VARIOUS P C BOARDS esce oed or ert Ro t RE ap nos For basic adjustments measuring methods and operating principles refer to GENERAL OPERAT ING PRINCIPLES AND ADJUSTMENTS I SPECIFICATIONS An asterisk next to a figure indicates the minimum guaranteed performance 1 AMPLIFIER SECTION Models AA 1020 and AA 1020L RATED OUTPUT 20 watts per channel both channels driven Minimum RMS at 8
37. WV Elect 0 47uF 25WV Ceramic DD312A 0 014 F J 50 Ceramic DD360A 0 0027 F J 50WV Styrol 270PF K 50WV Styrol 310PF J 50WV Ceramic DD380 950 BC 0 022 50WV Ceramic DD111FZ 0 0471 2 50WV Elect 220uF 10WV Ceramic DD111FZ 0 047uF Z 50WV Elect 47uF 6 3WV Ceramic DD380 950 BC 0 0224 F M SOWV Ceramic DD380 950 BC 0 047uF M 50WV 1020L Ceramic DD380 950 BC 0 0224 F M 50WV Ceramic DD312 950 BC 0 068uF M 50WV 1020L Ceramic DD111FZ 0 0474F Z SOWV Elect 10uF 16WV N Q ty Nom om De Nom Mom C m m om 29 NNN ANN Symbol No 1 C24 1 C 25 26 1 C27 1 C28 1 C29 1 C30 1 C31 1 C32 1 C33 1 C34 1 C35 1 C36 1 C38 1 C39 1 C40 1 C42 43 1 C 44 45 1 C46 1 C48 1 C49 1 50 1 51 1 52 1 54 1 57 58 1 59 1 60 1 C61 1 C62 1 C64 1 C65 1 C66 1 C67 1 C68 Parts No EC551441 EC427228 EC650463 EC220432 EC450527 EC427228 EC450055 EC329771 EC320051 EC650496 EC650474 EC650485 EC650496 EC650474 EC650485 EC220432 EC650878 EC450055 EC321208 EC666494 522167 621257 EC368256 EC551441 EC427228 551441 EC320051 EC427228 EC450055 EC 523293 EC485111 EC675742 EC469708 EC658012 Description Ceramic DD106FZ 0 01uF Z 50WV Ceramic DD111FZ 0 047 2 50WV Ceramic RD204 NPO33PF K 50WV Elect 2 2uF 25WV Elect 4 7uF 25WV Ceramic DD111FZ 0 0474uF Z 50WV Elect 1 2
38. f No 8 1 8 2x 8 3 8 4 8 5 8 6 8 7 8 8 8 9 8 10 8 11x 8 12 8 13x 8 14x 8 15 8 16 8 17x 8 18 8 19x 8 20x 8 21x 8 22x 8 23x 8 24x 8 25x 8 26x 8 27x 8 28 8 29x 8 30 8 31x 8 32 8 33 8 34x 8 35x 8 36x 8 37x 8 38x 8 39x 8 40 8 41x 8 42x 8 43 8 44 8 45 8 46x 8 47 8 48x 8 49x 8 50x 8 51x 8 52x 8 53x Parts No Description REAR PANEL BLOCK SP645748 Rear Panel 1 SP647910 Rear Panel 3 CEE SP645750 Rear Panel 2 CSA SP675145 Rear Panel 9 1020L SP679645 Rear Panel 10 1020L CEE ES422436 Slide SW SL 222B4C 75608185 Screw pan head 2 6x4 EZ655187 SP Antenna Terminal Plate 25421740 Screw pan head 3x8 ZW273756 Nut M3 ZW562476 Earth Lug M3 SK652397 Knob 0512 2 75675382 Earth Screw AA 1020L ZW652408 Washer SPC D3 2x10x0 5t EJ299316 Jack 5P din 25447761 Tapping Screw 2 3x6 BR Black TAS30910 Antenna Channel EE650248 Bar Antenna EE664233 Bar Antenna 1020L TA378268 Antenna Support TA625847 Antenna Holder 1020L ZS552600 Screw pan head 4x50 ZW273914 Spring Washer M4 ZW420682 Washer Nylon D4 2x9x0 5t ZW420682 Washer Nylon D4 2x9x0 5t 1020L ZW345442 Washer Nylon D4 2x9x1t 1020L ZW604416 Nut M4 EJ631945 Strain Relief SR 4N 4 EZ246936 Sirain Relief SR 6W 1 1020L EJ650250 Speaker Terminal ZW273756 Nut M3 EJ650261 AC Consent U L S 16432 EW374894 AC Cord 3M CUL EW516600 Cord VM 0065 CEE EW516600 AC Cord 006
39. hrow Vol V24L5GPHN 17250 2 Co axial 2 throw Vol V24L5GPHN 3BM250kx2 Co axial 2 throw Vol V24L5GPHN 1kB 100kx2 Wrapping Post 1x17 Capacitor Vertical Type 270PF J 50WV Ceramic DD360 950BC 0 0124 F K 50WV Elect 22uF 25WV Elect 25WV Elect 2 2uF 25WV Mylar 0 033uF J SOWV Elect 3 3uF 25WV Ceramic DD360A 0 001 8yF K SOWV FM 10PF K 50WV Elect 47 Elect 2 2uF 25WV Carbon Resistor Omitted 6 LED P C BOARD AA 5270B BLOCK Symbol No 6 1 6 D1 2 6 2 6 3 Parts No BA649473 ED650812 TA646648 28422076 Description LED P C Board Comp AA 5270B Luminous Diode SEL 102R Indicator Table Screw pan head 3x5 Carbon Resistor Omitted 7 TRIMMER P C BOARD 5298 BLOCK Symbol Parts No No 7 1 BA670814 7 C1 EC675742 7 C2 EC428995 7 2 EJ539662 26 Description Trimmer P C Board Comp AA 5298 Trimmer C CTY 21D 15PF 25PF J 500WV Wrapping Post 1x17 Q ty t2 PHH HA NNN HA Q ty Q ty Ww lt gt PS CH O C4 e 8 PHOTO ASSEMBLY BLOCK lt feet EE 161 102 69 sr px DES xt CN n e RES RET n s adii ttr Ps EE dieere c Hl UND t MM EAT MD NR tpt RR Ru 44 w 160 45 16 18 30 CN 30 16 27 8 ASSEMBLY BLOCK Re
40. in the P C Board photos are being eliminated please confirm parts name and shape by comparing them with the parts shown in this table ELECTRICAL PARTS TABLE Solid Resistor Stopper Type MM Insulator Type Carbon Resistor Metal Oxide Film Resistor Cement Resistor per J thoy va Wis MP Capacitor Tubular Type Wire Wound Resistor Plastic Capacitor Thermister Mylar Capacitor Enamel Resistor 5 Mylar Capacitor Tantalum Capacitor Tubular Type Styrol Capacitor Flectrolytic Capacitor Tubular Type Vertical Type Tubular Type Electrolytic Capacitor 13 Trimmer Condenser i Ferri Inductor Spark Quencher Ceramic Capacitor Transistor Diode Silicon Zener Germanium Metalized Mylar Paper Capacitor 1 MULTI FUNCTION BOARD AA 5270A BLOCK Symbol No 1 1 12 1 1 IC2 1 IC3 1 TR1 2 1 TR3 1 TR4 1 5 1 D1 2 1 SW1 1 SW1 1 SW2 1 T2 1 T3 1 T4 1 5 1 1 2 1 VR1 1 VR2 1 VR3 1 L1 1 L2 3 2114 1 FL1 2 13 1 4 1 5 1 6 1 7 1 8 1 1 2 1 C3 1 C4 5 1 C6 1 C7 1 1 C9 1 C10 1 C11 1 C12 1 C13 1 C14 1 15 1 16 1 17 1 8 1 18 1 19 1 19 1 C20to22 1 C23 Parts No BA649350 BA670735 1650362 EI650586 EI 650597 ET459810 557965 618873 635220 ED624903 ES650283 ES664244 ES650305 650384
41. ls AA 1020 and AA 1020L FREQUENCY RANGE 88 to 108 MHz 87 4 to 109 1 MHz DIAL TRACKING ERROR 250 kHz SENSITIVITY IHF 2 0 uV Less than 3 2 uV 10 dB SENSITIVITY DEVIATION Within 3 dB IMAGE REJECTION RATIO Better than 65 dB at 98 MHz Better than 50 dB IHF IF REJECTION RATIO Better than 90 dB at 98 MHz Better than 80 dB CAPTURE RATIO Less than 2 dB LIMITING SENSITIVITY Less than 8 dB Audio output 1 dB MUTING SENSITIVITY 15 to 30 dB SELECTIVITY Better than 70 dB Better than 65 dB AM SUPPRESSION RATIO L 1 Better than 45 dB SIGNAL TO NOISE RATIO Better than 68 dB Better than 50 dB STEREO including carrier leak Better than 60 dB MONO DISTORTION FACTOR FREQUENCY RESPONSE Less than 0 5 STEREO Less than 1 0 STEREO Less than 0 3 MONO Less than 0 5 MONO 13 1 dB at 10 kHz US A 10 5 1 dB at 10 kHz US B STEREO SENSITIVITY 4 5 uV 15 3 dB STEREO SEPARATION Better than 40 dB L R DEVIATION Within 3 dB RECORDING OUTPUT i PIN DIN 390 mV 6 3 dBm 70 mV 21 3 dBm 3 MW TUNER SECTION Models 1020 and AA 1020L FREQUENCY RANGE DIAL TRACKING ERROR 535 to 1 605 kHz 500 to 1 650 kHz Within 2 SENSITIVITY IHF 200 uV m Bar antenna 5 uV m Ext a
42. n 10dB 8 Sensitivity Distortion mono input See NOTE 1 Confirmation Factor PLL IC Free VR25kB Mute Switch Frequency 9 Running Frequency MFC P C Board 19 00 kHz Counter to PIN 34 MFC P C Adjustment Board 2 Stereo 98 MHz 60 dB Stereo input 10 Indicator No lighting of stereo indicator Lighting means that stereo broadcasts are Confirmation not being received 11 EI Perier than 2 2 Adjustment 67 TUB less than 1 076 See Fig 1 98 MHz 60dB Stereo R ch Stereo input Distortion factor must be Better than 12 Separation 40 dB less than 1 0 and if it exceeds Adjustment 1 0 adjust the coil in STEP 1 within a half turn 13 FM Mute Level VR 3 200 kB 20 3 dB Mute 98 MHz mono Adjustment MFC P C Board E input Confirmation of 14 Tuning Meter Meigi Center Indication Chart 1 NOTE 1 In the event that the distortion factors in STEP 7 amp 8 are not less than 3 re adjust Front End Trimmers TC 3 amp TC 5 to obtain a minimum average distortion factor at 88 98 amp 108 MHz same distortion factor at all 3 points NOTE Free running frequency of the PLL must be an exact 19 00 kHz V TUNER SECTION ADJUSTMENT Model AA 1020 Step Adjustment Item Adjustment Point Result Remarks Low Range 1 Frequency T 2 RED Tracking error 520 kHz optional input Coverage MFC P C Board Less than 2 See Fig 1
43. ntenna 320 uV m Bar antenna SENSITIVITY DEVIATION IMAGE REJECTION RATIO _ Within 6 dB Better than 50 dB at 1 MHz IF REJECTION RATIO Better than 45 dB at 1 MHz Better than 50 dB at 1 MHz SELECTIVITY Better than 30 dB 10 kHz SIGNAL TO NOISE RATIO Better than 50 dB Better than 45 dB DISTORTION FACTOR Less than 0 8 Less than 1 5 FREQUENCY RESPONSE 15 dB at 3 kHz RECORDING OUTPUT PIN 270 mV 9 2 dBm 55 mV 23 2 dBm 4 AM LW TUNER SECTION Model AA 1020L only FREQUENCY RANGE 150 to 350 kHz DIAL TRACKING ERROR Within 2 SENSITIVITY IHF 1 mV m Bar antenna e 15 Ext antenna IMAGE REJECTION RATIO Better than 30 dB at 240 kHz IF REJECTION RATIO Better than 30 dB at 240 kHz SELECTIVITY IHF Better than 30 dB 10 kHz SIGNAL TO NOISE RATIO Better than 35 dB DISTORTION FACTOR Less than 3 RECORDING OUTPUT DIN 155 mV 14 2 dBm 35 mV 27 2 dBm 5 GENERAL Models AA 1020 and AA 1020L TRANSISTOR 2SA661 O Y 2 2SC1166 O Y 2 25 733 1 25 1222 10 25 536 1 2SC1449 K L 1 25 930 1 25037 4 2SC945L K P 4 2SD571 L M 1 uPC30C 1 LA3350A 1 LA1230 1 DIODE 1001 2 152473 2 185872614 VD1222 6 WZ130 1 88511023 2
44. ohms load impedance from 20 to 20 000 Hz with on more than 0 4 total harmonic distortion POWER BAND WIDTH IHF 10 to 60 kHz at 8 ohms distortion within 0 4 INPUT SENSITIVITY 1 2 3 mV 50 k ohms 48 1 5 dBm with output 24 3 dBm 8 ohms as standard 1 2 150 mV 80 k ohms 14 1 5 dBm with output 24 3 dBm 8 ohms as standard AUX 150 mV 80 k ohms 14 1 5 dBm with output 24 3 dBm 8 ohms as standard RESIDUAL NOISE Less than 1 4 mV Less than 55 dBm SIGNAL TO NOISE RATIO PHONO 1 2 Better than 80 dB Less than 40 dBm input shorted TAPE 1 2 Better than 90 dB Less than 50 dBm input open AUX Better than 90 dB Less than 50 dBm input shunted at 5 k ohms TONE CONTROL BASS 10 1 5 dB 10 1 5 dB at 100 Hz TREBLE 10 15 dB 10 1 5 dB at 10 kHz LOUDNESS CONTROL i 1 10 1 5dBat100Hz DEN m 651 5 dB at 10 kHz 2 I FILTER LOW CUT 6dBat50Hz 8 1 5 dB at 50 Hz 5 9 dB at 10 kHz 9 1 5 dB at 10 kHz FREQUENCY RESPONSE PHONO RIAA 1 dB CHANNEL SEPARATION CROSS TALK PHONO L R DEVIATION PHONO RECORDING OUTPUT PHONO 0 PIN DIN Better than 50 dB E 13 11 1 0 dB at 100 Hz 13 75 1 0 dB at 10 kHz Better than 55 dB at 1 000 Hz Bette than 50 at 1 000 Hz Within 150 mV 14 3 2 dBm 26 mV 28 2 2 dBm 2 FM TUNER SECTION Mode
45. uantity of particular part required Ref No Parts No Description Schematic No Q ty FLYWHEEL BLOCK 13 12 115x 800425 Flywheel Block Assy Comp RDG 13 1 12 116 244506 Flywheel Only RD 233 1 12 117x 244754 Felt Flywheel RD 275 1 12 118 251324 Main Metal Case 236 1 12 119 253080 Main Metal RD 237 1 4 The symbol numbers shown on the P C Board list can be matched with the Composite Views of components of the Schematic Diagram or Service Manual ON tA shown on the Electrical Parts Table of P C Board 7 Both the kind of part and installation position can be determined by the Parts Number To determine where a parts number is listed utilize Parts Index at end of Parts List It is necessary first of all to find the Parts Number This can be accomplished by using the Reference Number listed at right of parts number in the Parts Index meaning of ref no outlined in Item 3 above finding parts Price is to utilize the reference number The indications of Resistors and Capacitors in the photos of Board are being eliminated The shape of the parts and parts name etc can be confirmed by comparing them with the parts Utilize separate Price List for Parts to determine unit price The most simple method of w gr y SHE HEBR EA EE AERO e SO E EE ERREUR Because the indication of resistors and capacitors
46. x ud 25 Ng ape di f ons i i Som 1 toss por JOC BALANCE ADJ C5b 33 35 CR 3300 35 12 8 3 C 25 368 22 85 o o i 3 28 6V 5275 at 2 MAIN AMP P C BOARD 3 POWER SUPPLY P C BOARD 5273 01 02 1001 to 06 18582 ee o ele 0 C9 00 2 300P K Ke S ge 28 M xu RS 2 7K 22 CSA GEE 2 52 ewe OWN 24 3V ae ma 2 i Ey i 5 7 5 1 4 2 2 Ut lac DS KO Ne 3 7 o oe d 19 4 AC 4kV Z 0 01 1 e IF 3 100 16 0 20 5 18 2 05 oz E 2 2SCI449 K L 2 XCHe AC 30 8V TR2 4 Ri 2W 560 K 2SC945L KXP 13 3V 2505710 MARK INDICATES CAPACITOR MODEL AA 1020L ONLY c3 0 001 R2 33K 4 FILTER MUTE P C BOARD AA 5295B C2b 4 0 0082 0 0082 K F I 1 we b 47OK ewel R3 56K le e I eMe R3b 5 6K SW Ib R4 e R4 470K 9 N 9 r 41 x tt al R8 82K o e E MN a ara Gi we O x s n 9 9 5 29 yi am 8 BeN N m e EI 489 N 6 Mae ose ON m 5 9 o i

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