Le Labo Audio du Vallespir Le Labo Audio du
Contents
1. oY 6 REC PLAY TN li 37m QT Ge Y er greg 0703 9503 0504 0505 0509 dios 256485 2551818 754005 da 25Ci400 254 dio 280735 st FUNCTION OFF 4 0424 Man bi 0412 d ITI 0419 he 0414 0422 E gt En M 9420 inn 9408 gaz E e 0406 9402 AA 0410 Ca A t s T STY ZH 412 414 aiara O i T 1 ims SHE Ted 7a Y wu dem Le a die La 4 4 MM j am F AF Assy GWK p SEL FLE 8 E m e o E 13 PUTET gt 597 25 9 EL SELELTON i F 34 2 ee T li Le ro i E 1 gt i inna n How LA m PC 051 5 12 31511 ER i A oh 2 2ED23 I his 5 Lai me 414 8 a m Ke hm T 10 11 12 External Appearance of Transistors and ICs2. ART 620 0 NON SWITCHING AMP STEREO AMPLIFIER MODEL A 5 COMES IN SIX VERSIONS DISTINGUISHED AS FOLLOWS Voltage Remarks KU 120V only U S A model _ P 110V 120V 220V and 240V Switchable General export model Uv 120V only Canada model KC P 240V only Australia model 220V and 240V Switchable Europe model HE Y HB 220V and 240V Switchable United Kingdom model e This service manual is applicable to the KU type When repairing the HE HB types pelase see the additional service manual ART 621 and see the ART 622 for S YP and KC types e For the circuit description please refer to the supplement of model A 6 service manual 762 e Ce manuel d instruction se ref re au mode de r glage en francais Este manual de servicio trata del m todo de ajuste escrito en espafiol CONTENTS 1 SPECIFICATIONS sue 06 Seek 2 7 P C BOARDS CONNECTION DIAGRAM 9 2 5 SCHEMATIC DIAGRAM 13 FRONT PANEL FACILITIES 3 3 ELECTRICAL PARTS ue 15 1 COUDRE RAM as 5 10 ADJUSTMENTS 18 E BARTS LOCATION ees DOM ES e 6 R GLAGE ite we ERR AIR cea 5 19 6 EXPLODED VIEWS 7 AJUSTE Revie n 20 PIONEER ELECTRONIC CORPOR
3. ATO 7 w 4 B pma dicm e ur 4 T i 0413 k 4 4 1 NM pai E LEN 1 22 runi 1 Da Fy sos AT in 9415 WE 1 41 i z 4 1 T T 1 _ t p D E a 2 p Q407 4 715 1 4 793 4 ire 2 0405 PE i F 0403 x bd i a 25 ET 2502259 0403 405 2541015 z 0407 2301615 0408 254905 4 2501815 pl 24 0413 445 254750 lis 2 047 251400 0419 2561735 i eo 4 PRSE P pu me b 5 4 1 2 3 SCHEMATIC DIAGRAM FUNCTION SWITCH Ass y meum FUMER 1 cu SIA 46 1500p eo TAPE MZ 230 5 FUNCTION Il 6 AU i 1 TUNER 2 REC QUT 4 z SELECTOR T T 5 AUX ASE 184 25 TUNER PHONO guai us 1 REC 4 x sad 1 1 12 AUX INDICATOR L PLAY Aga 81 1 E 1 62h 207
4. D4i123 418 523 0508 i503 6m 3T m4 t 9503 504 2509454 gsos SCIES 7 11 1 1 WTOS a gros ETD Saka ADO 200 3 23 i Ori 25472244 2509454 E 1 AT gras i arog 3 84 250313 MZ 157 Q4 3 416 254750 047 418 25 1400 04 420 25 1735 0421 422 254850 9423 424 25 1915 a 0704 707 8 200 LI WITCHED UNSMTCHED TOTAL MAX 100W MAX CURRENT A04 CHE 55 Site A 5 HE HB POWER SUPPLY CIRCUIT FOR HB MODEL T Lad D SWITCHED UNSWITCHED AC POWER TOTAL CORD ADG 051 2 CONTRAST OF MISCELLANEOUS PARTS The mark found on some component parts indica tes the importance Of the When replacing be sure 0 use parts of identical P C BOARD ASSEMBLIES Symbol Description Part No 84 28 type y 2211 AF amplifier assembly GWK 143 GWK 154 GWK 154 Tone control assembly 137 GWG 144 GWG 14 144 Switch assembly A GWS WS 212 GWS 238 GWS 238 Switch assembly B GWS 213 GWS 239 GWS 239 Volume assembly GWX 457 GWX 492 GWX 492 Headphone assembly GWX 458 493 SWX AIS Fuse assembly SEE GWX 494 GWX 494 OTHERS Symbo
5. 72dB 64dB 50 60Hz TUNER AUX TAPE PLAY 95dB 69dB Power Consumption 250W Line Voltage Selection Line voltage can be changed with following steps Fuse assembly 1 Disconnect the AC power cord T1 25A AC250V 2 Remove the top cover Reale 3 Take out the fuse AEK 018 from the fuse assembly 4 Re install the fuse in the correct voltage indication see Fig 1 5 Stick the line voltage label on the rear panel Fuse T2 5A AC250V HE type only Part No Description AAX 193 220V label AAX 192 240V label Front panel Fig 1 PIONEER ELECTRONIC CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 Japan U S PIONEER ELECTRONICS CORPORATION 85 Oxford Drive Moonachie New Jersey 07074 USA PIONEER ELECTRONIC EUROPE N V Luithagen Haven 9 2030 Antwerp Belgium PIONEER ELECTRONICS AUSTRALIA LTD 178 184 Boundsry Road Braeside Victoria 3195 Australia YL APR 1981 Printed in Japan CONTRAST OF MISCELLANEOUS PARTS NOTES e Parts without part number cannot be supplied e The A mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation e For your Parts Stock Control the fast moving items are indicated with the marks and kx GENERALLY MOVES FASTER THAN This classification shall be adjusted by each distributor becau
6. I xv wana 50103735 100 238 os A Han 130 PETI f wu m ER Deu 0 23434 2 38371 41 4305 5 wu 2031405 03345 HJIH iv BPS ie 3211 4 BLOCK DIAGRAM 9 ELECTRICAL PARTS LIST NOTES e When ordering resistors first convert resistance values into code form as shown in the following examples Ex 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and 10 5600 56 10 RD4PS BIS J 47h 47 x 10 dg c cu RD APS 4037 0 58 OA ET RN2H 12 RSIP QMO K Ex 2 When there are 3 effective digits such as in high precision metal film resis tors 5 62k2 562x100 5621 RN4SR AGAD F e The 4 mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation e For your Parts Stock Control the fast moving items are indicated with the marks and GENERALLY MOVES FASTER THAN This classification shall be adjusted by each distributor because it depends on model number temperature humidity etc Miscellaneous Parts Mark Part No Symbol amp Description Mark Part No Symbol amp Des
7. d CRECE PLAY 2 LTUNER AUX REC 1 L 100 35 au 052 94 od to s 0947 6190041 016 0047 80 EN 21k R1 100 220 a R2 100 E ip Dig MZ 250 o MAP 8 ITI j 0 Ra 224 A3 330K ed a 350K ee 2 20 19 sn C3 10 56 DN Aa ESC EEO F R78 2 2K ere ecd Ca 22 P5315 3 1 ce a 01100 C210DP y M Si hi TA art c 1 Ry sex 20233 Ro B2 Rio Rep TA 22 AL i DAMA OPA Ce t a 1 A 2r Rao T poe LA Am de C54 4 m 1 li Rig ik 56 R13 1 5 s Es 655 ot zik AA e Riz 82 Res 96 R22 56 Ria 82 0 018 ETT p IDE 3 5 EM AAA 0 IA be A AA 9 Q5 R5 SEK 56 Q6 Ri 39K R75 47 re DAA E Au 17 500012 Ciz 0012 53 3 Itum xus y ow o Ho E EN o 0120068 0068 22 50 o Gio H ho zd HA 7 Ho ru 48 7K ese c 1 mam p is 220 10 220 10 aera 12 2 2 ow A2a 1004 100K C20 a il Ha De D 1 043 50 047 50 E Rin 47 AAA 0 0047 a g R94 35K 4 FUNCTION 826 22K n oA 1092
8. 2 gt Screw 3x16 Fuse 3A 125V AF assembly Ceramic capacitor 0 01 150 Nylon rivet Screw 3x8 AC socket AC OUTLETS Screw 3x8 Mark No fono n 101 102 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 Part No AAB 272 NKX1FUC 1600050 ZK ee MTZ30P100FZK AEC 327 ADG 052 AKE 051 WA35F100N080 AWX 212 Description Knob BALANCE Nut Washer Screw 3x8 Lug Bottom plate Description Screw 3x10 Strain relief AC power cord Terminal SPEAKERS Washer Composition assembly Function switch ass y Tone control ass y Frame Flexible joint Panel stay Mounting plate Holder Tone control assembly Shielding case Wire clip Headphones jack assembly Function switch assembly Volume assembly Loudness assembly P C Board spacer Right frame Heat sink Rear panel Terminal GND Rear Panel View Terminal TAPE 1 AKB 078 Terminal 2 AKB 078 Terminal INPUT AKB 079 Terminal SPEAKERS AKE 051 AC socket AC OUTLETS AKP 041 AC power cord ADG 052 9 PARTS LOCATION NOTES e Parts without part number cannot be supplied e The A mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation
9. 6 5 kg 1416 5 oz Furnished Parts Operating Instructions 1 Measured pursuant to the Federal Trade Commission s Trade Regulation rule on Power Output Claims for Amplifier NOTE Specifications and design subject to possible modification without notice Mark No Part No Description 1 292 Side pad 2 ARB 416 Operating instructions English 3 922 Packing case P 1 D it 441 Pre 3 ar ad L 2 413 448 EH 1 4187 405 407 2 7480 8403 405 541015 Di T 294908 2551735 25r 1818 al HATSO Qui Qai oam _ 10 11 12 External Appearance of Transistors and Cs 28A750 25 1015 Lot hre 2501400 25 1384 25 1815 um 2 22 12 Suffix 2SA733A 26 4 25C1914A Lot Type No 25 850 Na 25 905 2801735 Type No 2582259 hri 25 1915 25 1100 250313 25 2575 250880 2 1104 NJM4558DX z 2SC2579 A uPC4558C P 4 HEADPHONES Let JACK Ass y 10 11 AG 1 2 3 7 P C BOARDS CONNECTION DIAGRAM E mo LL BST 21 la Y 2 1 4 MN 25 VT
10. ACG 019 C708 Ceramic 0 01 AC150V 25A1115 A F CEA 2 416 706 hfe of 0411 0418 should have the same value CEA 101 CEA 221M 501 C707 AR 2701 CEA 470 101 705 2SC945A 0503 0504 0702 470 251 407 408 701 702 711 4 712 25 2575 CAT E 2SC1735 C 0419 0420 CEA 471M 6L C501 25010350 2SA850 C 0421 0422 CEA R47M 501 C503 C505 CEANL 010 501 13 14 hfe of 0419 0422 should have the same value CEANL 2R2M 50L C419 C420 Q403 CEANL 4R7M 50 C3 C4 C409 CA10 CCDSL 150J 50 CA05 C406 2SA1015 Y Q405 Q406 28A1015 GR CDSL 151K 500 C427 C430 2 2 2SC1815 Y 0407 0408 CCDSL 560 50 C421 C422 CCDSL 820 50 403 404 hfe of 0405 0408 shouid have the same value CCDSL 561J 50 C401 C402 152 50 10 2SC2259 Q401 0402 COMA 183J 50 411 414 250313 0703 100 50 C301 C302 250880 25 1915 0423 0424 RESISTORS 152473 D401 D402 D405 D408 D 0419 Note When ordering resistors convert the resistance value 151555 0420 0501 0505 into code form and then rewrite the part as before 152076 Part No Symbol amp Description __ MZ 230 0701 92 063 VR1 VR2 Semifixed 100 WZ 230 RDYPMOODJ R1 R27 8401 8406 R413 R416 MZ 157 D506 D702 D703 8419 8420 RA29 R440 R445 WZ 157 R452 R501 R503
11. oe Rag 47 AAA 986a 0047 TuNER 7 4 a a H 5 112 __ e 14 iy coca WP AF mal 4 F 1 B ES LL 17 4 5 27 1 Las 1313 5 Die 8 AUE A HUT MAS 152 Q78 ar 21K TUE 5 61885 We E 6 eit IN Coo Emilia 12 e gm bo 51 AA 4 41 50 2921304 A B A 4 M 3 z blot Alea a Sy o NA pe te Se la zw i 5 TP3 ee Y FU3 2 5 B ARAS POWER Tr rte 27 POWER Bm 3 hs 4 O e Se 1 n F J On STV3H Der i 2608 8 0 v Ta 055 T 1 254850 045 TES 3 24 D 55 di RSS 1 f Aso 152973 744 din r3 a a Y tt o 1 820 7 4 Ji T 23 inar 5 e Wor 114 Mal um mt m Um LO HL Eo Ut 2 8 gpi 11 pes a APTO Tox poT ON UP E di be 00 FAT SE 574 4798 far s
12. 2SA750 25 1015 25 1384 25 1400 loin Fita o 25 1815 5 c B A Suffix 25 7 25 1914 Lot 25 945 hee T 2SA850 25 905 25 2259 Lot No 2581735 25 1915 CONTROL 55 25 1100 250313 25 2575 250880 25 1104 NJM4558DX 5 5 HEADPHONES 25 2579 4558 JACK Ass y 10 11 12 6 EXPLODED VIEWS Parts List of Exterior Components Mark No Part No ANE 345 VBZ3OPOGOFMC ANM 027 AAB 271 IM It m AAB 270 Description Top cover Screw 3x6 Front panel assembly Knob BASS TREBLE REC OUT SELECTOR Knob VOLUME Parts List of Interior Components M M8g M 1 ATT 800 2 VXZAOPOS0FMC 3 AEC 383 4 AAD 338 5 VBZ30P060FMC 6 ABN 024 7 ABN 028 8 ABA 261 9 GWX 661 0 ASX 203 11 ASG 521 13 AEC 818 14 25 2579 25 2579 25 1104 0 2SA1104 A Y 15 Description O C Power transformer Screw 4x8 Foot assembly Knob POWER Screw 3x6 Washer faced nut Nut Screw 3x6 Indicator assembly Remote slide switch REC OUT SELECTOR Push switch POWER Insulator spacer Transistor Transistor hfe should have the same value 16 ABA 258 17 AEK 101 18 GWK 180 ACG 019 20 AEC 510 21 ABA 252 22 AKP 041 23
13. e For your Parts Stock Control the fast moving items are indicated with the marks and GENERALLY MOVES FASTER THAN x This classification shall be adjusted by each distributor because it depends on model number temperature humidity etc Front Panel View Knob RUE Ec E ic Top cover AAD 338 ANE 345 Front panel assembly ANM 027 i YA s 270 Knob T S 271 272 Front View with Panel Removed Indicator assembly Push switch POWER GWX 661 ASG 521 ear Push switch FUNCTION Variable resistor BASS p ASG 408 ACT 140 5 Push switch LOUDNESS PA 278 Variable resistor TREBLE p 140 12447797 75 i Variable resistor Remote slide switch VOLUME BALANCE REC OUT SELECTOR ACV 410 ASX 203 Phone jack PHONES 030 p lt Push switch SPEAKERS TONE MUTING ASG 28 Top View poss A Fuse 3A 125V Remote slide switch AEK 101 28 REC OUT SELECTOR ASX 169 A Power transformer ATT 800 Relay ASR 033 Electrolytic capacitor 5600 50V 211 AF assembly GWK 180 5439395 Y 1 i H3FHOJSNY HI H3AO d LINIHID AlddNS susiv3as y GHJMUddS
14. 15647532 dT ar i 224 duy pi 15 5 dr se 2809454 M 707 DAE 3 5 9 4 amp 9 29 ai mi a 8507 525 506 6 81 AA 2 Lg 14 4 0702 27076 MZ 157 b od 2595 T mee E AT maddostos5inl6ix F 1 0 4 g i ETT MS ia f 1 l 7 o o 1 5 7 i El TTA 0503 1504 ggz 45 Les TRS 1 P Power Tr 0502 2SCi913A Mo E c 0503 504 28 9453 o 2505 2521389 0502 504 505 152473 0406 25341015 0408 2561618 0410 254905 0412 2501800 dio pc 0444 254750 2 0424 0422 2 0418 2561400 gt 250 igth ZBABSO 23 0416 418 O57 3RO 2802 412 4147420 408 408 22222 Ug E ui ll qu iss d a 4 1 1 6 9 4 O34 T Jj Q424 Wai T i 1 mE E PCAN 4 83 7 9 Ett Es a 81 Eten AT fil 4d 11 TT ud i Sae jew up s 1 D Yos Mall ot E 1 iw J s Pu 14 04 5 i T 4 eb 1 Y 4 ee 1 pedes Dt 4 0414
15. C89 C90 1082 011 014 CKDYX 473M 25 C78 C81 prm D9 010 CKDYA 102 50 C85 C88 DE 473 50 C47 C48 5 5 D6 CKDYA 122J 50 C11 C12 020 1831 50 10 2 192 017 5634 50 C23 C24 M 683J 50 C13 C14 2 250 D16 CEANL 50 19 C20 07 08 A ACG 004 C58 Ceramic 0 01 150V OTHERS Part Description AKB 063 Terminal TAPE AKB 064 Terminal INPUT SA 510 HE HB j 5 PARTS LIST OF P C BOARD ASSEMBLIES AF AMP Assembly GWK 154 Note When ordering resistors convert the resistance value into code form and SWITCHES AND TRANSFORMER RESISTOR then rewrite the part no as before Part Symbol amp Description Part No Symbo amp Description ASX 115 S1 Remote slide switch ACT 130 VR1 Variable 500 BALANCE FUNCTION ACN 070 R65 R66 Wire wound 0 22 2Wx2 ASK 172 52 Lever switch 2 ASK 171 S3 54 Lever switch SUBSONIC RS1P DOD J nad LOUDNESS RS1P 000 J R102 ATT 577 T2 Heater transformer ROZPS 00D J R63 R64 R67 R68 RDAPSF OOO J R71 R72 R76 R80 ODD R11 R12 R15 16 CAPACITORS 22 A RD PMF J R19 R20 851 852 R55 R62 870 Part Symbol amp Description R75 R103 R104 R113 RD 4PM J R1 R10 R13 R14 R17 R18 CCDSL 1014 50 C1 C2 R21 R50 R53 R54 R69 R73 ACH 224 C52 C53 Electrolytic 8000 42V R77 R79 R91 R95 R105 R106 CEA 220M
16. PLAY TAPE2 L REC PLAY 1 RES 1 eg ie jus Cr i i amp H4 H ES 1 A Im mi ys L 47 80 i PHONO it gio 2004 470 2 QUT SELECTOR AUX E ASX 165 hor r REC 3 PHONO L PLAY G 6 PHONG Si FUNCTION ASG 408 INDICATOR Ass y 2 L p E T Ly LOUDNESS Ass y 1 has voLume BALANCE LOUDNESS 430 1 1 ACV 410 1 0 4 84 LOUDNESS ASG 278 54 3 ZR Rios VOLUME ss y 1 RESISTORS SWITCHES i i 1 tol h i 3 2 2 12220100 8 3 2 FUNCTION o or cc E e OT 51 2 FUNCTION TUNER ON OFF 2 CAPACITORS 51 8 FUNCTION AUX ON OFF Indicated in capacity uFl voltage V unless otherwise noted p pF FUNCTION 1 Indication without voltage is 50 except electrolytic capacitor 51 5 FUNCTION 2 ON OFF 52 REC OUT SELECTOR 3 VOLTAGE CURRENT COPY 12 TUNER PHONO AUX 4 J Signal voltage at 35 W 35 W 80 output 1 2 53 1 SPEAKER A ON OFF 7 DC voltage V at no input signal 53 2 ON OFF Value in i
17. R505 R509 052380 D415 D418 R512 R703 R704 R706 MZ 100 D403 D404 ACN 045 R705 Wire wound 270 5W WZ 100 ACN 070 R443 R444 Wire wound 0 22 0 22 2W MZ 047 D710 RD4PMEDOOJ R412 R453 R454 RS1PODOJ R465 R466 R504 152473 0411 0414 STV2H 0409 0410 RD PME LODOJ R201 R407 R411 8417 8418 10 2 0708 0709 R421 8422 R425 R428 8455 GP 200 D704 D707 R460 R701 R702 R707 A RD PSEODOJ R441 R442 R461 R464 R506 TH103 2 TH1 TH2 R508 Parts List of Fuse Assembly Mark Part No SEMICONDUCTORS Symbol amp Description Mark Part No au Symbol amp Description dm 001 1 Sa Ceramic capacitor NJM4558DX Q1 0 01 AC250V 1 4558 A 5 HE HB BOARD ASSEMBLIES AF Assembly GWK 182 TAPES REC PLAY go E a 45 2 monu n REC PLAY PHONO TUNER AUX 1 3 Y 4 9 50 L 9 E J 270 544 ifa RA a nm R2 F 7 E Box Ac 428 Le i 1 1 Leese L ie 2 bk ay Boss el 22 4 T 5 ES Bau jh Des hsc i i BEGET 58 3 fo 42 REC DU SELECTOR y 6 5 070 0709 47725 ET Uu ilL 1 1 4 WA 4 3761 ae 270 E P
18. T r REC 209 211 G Ph TAPE 2 NY EL T ozo4 q y 4 1 pray J D208 a i AEL 324 BHO DPI f A Ai A PP i L i i Hx DFF 27 a LOUDNESS Ass y furma 72 rear ise m e 62k as eii Y A ce 1 3 aig ma 43 4 3 1 z zin 1 55k 125 R2 1 pa e Les 1 3 2 2 aer T9 4 1 47 E 83 Ji 1 0 3 RE CRE 33 0401 402 25 2 9095 LOUDNESS 0403 406 25A C m i 24 3 e 094 412 23501 is ara E e ac 497 VOLUME Ass y e 1 RESISTORS SWITCHES Indicated in 5 tolerance unless otherwise noted k kt 5196 6 2 10 M 20 tole ance ere EE ped 2 CAPACITORS 51 3 FUNCTION AUX ON OFF Indicated in capacity V unless otherwise noted p pF 51 4 FUNCTION ON OFF Indication without voltage 15 SOV except electrolytic capacitor 51 5 FUNCTION 2 OFF 52 REC QUT SELECTOR 2 VOLTAGE CURRENT COPY i2 TUNER PHONO AUX a Sign
19. pie MZ 250 q 2501885 Swe 184 25 798 et 28C1775A 1 4 sa 10 v A fil A y A M ous 3E we 32 4 ie T PTE LT 023 24 2501384 020 MZ 230 po OES nau niis b 3062 1 A lt 4 mm Y _4 iLi 42 ihe ale urM 19 5 118 esi hars 230880 du ry AL OX Bd 185 FO ra Er rimi iil O Ew POWER SUPPLY CIRCUIT FOR HB MODEL Att 10 1 ees e E EN a ci um 1 HEY f 403 zi E a Er Car 3 E qu AHi ACER MEGA fai FUSE Ass y GW SWITCH Ass y A GWS 23a T e 2 ais 4 Ma e 47 T M on nu o 03 152473 STV3H fi DLE di BH Ape ai pe wr aim 2 od ttr Get eu te Log S 190 1 258 73 i dicm Tas 158 107 Ts oe A e 25A872A 88 62801735 013
20. 14 23017754 254850 can pes T m 2 1 8 te ies j cae a NS 7 M ana FA ita 5 cal ty pS 5 i i en c o 1 vni 29 21 o man p a 1 7 fa 4 4 id D AL za 5 e 5 St y teme IJA Al Lb J i i I ide co 1 gt e 7 ib ania SWITCHED UNSW GWE TOTAL 100W 54 TA731Bp AF AMP 2 2 SWITCH Asa y GWS 235 1 SA 510 HE HB 6 NOTE The indicated semiconductors are representative ones only Other alternative semiconductors may be used and are listed in the parts list FL AWV 007 ee H z T OIG 88 __ 155 a 153 55 i y lel IE FER RH PH HH vi SAV 006 N __ _____ AC Cong 200 045 Y
21. E 8 4 8 2 4 ra 0422 red a 4 1 dan 1 am 0420 52 b m ri d O36 32 17 ES Qao m 2 MO een 0406 mo Pl E a 35 D ae 0404 4 1 caa EE 5 1 y 1 1 E 1 E 4 n o 4 mi 1 B 37 GO esteris m pd rum A gara 0 mE pan 1 20 D T 3 4 n MT TI a Tii m Mr 2 4 Fuse Assembly 1 4 90 for 1 35 100 GF 20 T doi E ii 130 DT Ieee z a LL T l i H E S 050 568 1 452473 igi i 1 d i NG 143 Poser d Uy B z z ia ea 408 HIT 413 Le a Zuge ba 1 1 ees 1 Hi 7 TT o T T 1 0423 ded V 4 iu epus ade i oars Chis 1 0421
22. TAPE2 874 ASK 171 S3 54 Lever switch RS1P ODO J 8102 LOUDNESS RDAPS 000 J R63 R64 R67 R68 577 T2 Heater transformer A 5 000 J R71 R72 n76 R80 RN4PQ R11 812 R15 816 CAPACITORS 999 J 219 R20 R51 R52 R55 R62 R70 275 8103 104 113 Symbol amp Description Description ______ DUG R1 R10 R13 n14 R17 R18 R21 R50 R53 R54 R69 R75 e CCDSL 1014 50 C1 C2 224 C52 C53 Electrolytic 8000 42V R77 R79 R91 R95 8105 R106 CEA 220 50L 51 R108 R112 220 351 C57 CEA 470M 101 C33 C34 SEMICONDUCTORS CEA 101M 10L C83 C84 CEA 102M 50L C54 Part No Symbol Description CEA 101M 501 C55 C60 C61 CEA 101M 35L C56 2552602 01 02 CEANL 2R2M 50 C25 C26 2SA872A 011 012 jd 25 798 07 08 d CEANL 100M 16 C3 4 2SA850 D 017 018 CEANL R33M 50 C75 C76 25A850 C CEA 470M 501 C77 C82 015 016 CCDSL 030 50 C CCDSL 100K 500 hfe of 015 018 should have the same rank 25 1919 03 04 2501815 05 06 SL 220 50 C7 C8 25 1775 Q9 010 013 014 CCDSL 4703 50 C5 C6 C21 C22 C29 C32 2801384 OA i CCDSL 5601 50 C15 C16 C27 C28 dos CCDSL 820 50 C35 C36 2SC1885 Q26 CCDSL 181K 500 C43 C46 JE UB 221 101 17 18 2232 50 C39 C40
23. position and at tenuated when it is rotated counterclockwise 4 REC OUT SELECTOR SWITCH This is used to select the output signal which is fed out to the TAPE REC 1 2 jacks COPY 1 2 The output signal is fed out from the TAPE 1 PLAY jacks to the TAPE 2 REC jacks when dubbing a tape from TAPE 1 to TAPE 2 TUNER The output signal from the TUNER jacks is fed out to the TAPE 1 REC and TAPE 2 REC jacks PHONO The output signal from the PHONO jacks is fed out to the TAPE 1 REC and TAPE 2 REC jacks AUX The output signal from the AUX jacks is fed out to the TAPE 1 REC and TAPE 2 REC jacks 8 PHONES JACK Connect the plug on your headphones to this jack when listening 10 program in private T listen to a program through the headphones release ERS and B switches to the OFF posi both the SPEAK tions 3 6 switch 6 FUNCTION SWITCHES These are used to select the sound source At the left of each switch there is a function indicator pictographic which lights when the corresponding switch has been depressed This indicates that the lighted function has been selected PHONO Depress for playing records on a turntable con nected to the PHONO jacks TUNER Depress for listening to a program on a tuner connected to the TUNER jacks AUX Depress for listening to the sound from a stereo component connected to the AUX jacks TAPE 1 Depress for l
24. 08 Ceramic 0 01 AC150V C709 Ceramic 0 01 AC125V C5 C6 C415 C416 C706 RD PM ODO J ACN 045 C502 C710 ACN 070 C707 C705 C407 CA08 C701 C702 C711 C712 17 418 C301 C302 Symbol amp Description VR1 VR2 Semifixed 100 B R1 R27 R401 R406 R413 R416 R419 R420 429 8440 R445 R452 R501 R503 R505 R509 R512 R703 R704 R706 R705 Wire wound 270 5W R443 R444 Wire wound 0 22 0 22 2W Mark Part No Symbol amp Description Mark Part No Symbol amp Description RS1PDOO J R465 R466 R504 MZ 047 D710 RD 4PMF R201 R407 R412 R417 R418 R421 R422 RA25 R428 182473 0411 0414 R453 R460 R701 R702 R707 STV2H D409 D410 A RD PSF R441 R442 R461 R464 10 2 0708 0709 R506 R508 GP 20D D704 D707 TH103 2 TH1 TH2 SEMICONDUCTORS Mark Part No Symbol amp Description OTHERS NJM4558DX 01 Mark Part No Symbol amp Description 4558 LA 2SC1400 E 0411 0412 O417 0418 5 169 S1 Remote slide switch REC 25 1400 0 OUT SELECTOR 28C2603 A E ASG 288 S2 Push switch SPEAKERS 2SC2603 A F TONE MUTING 2SA750 E 0413 0416 28A750 U AKB 078 Terminal TAPE1 2 28A1115 A E AKB 079 Terminal INPUT 28A1115 A F hfe of Q411 0418 should have the same value ASR 033 RL1 Relay 25 733 0701 VBZ30P080FMC Screw 3x8 28A1100 2SC945A O503 Q504 Q702 2
25. 109 52 KO 10 tolerance 2 CAPACITORS Indicated in capacity lu Fl voltgge IV otherwise noed p pF Indication without voltage is SOW except electrolytic capacitor 3 VOLTAGE CURRENT Signal voltage 30 Wt 30 W 80 output 1 2 2224 DC voltage V at input signal Value in 1 ig DC voltage at rated power m girten fi Input signal 4 OTHERS Signal route Adjusting pat The A mark found some component paris indicates the im portance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation This the basic schematic diagram bur the actual circuit may vary due to improvements in design SWITCHES 51 7 FUNCTION 52 53 54 55 56 TUNER PHONO TAP 1 AUX OFF ON ON QFF ON OFF ON wach X 1 qun 5 1008 AJ pes 31 34 4 29 amp pu ate TONE CONTROL Ass y GwG 144 a A 5 1 52h a A 14 Es PR iu h 4 29 72 ar inp GE 16 la 19 ur hi LE 064 4 Dra jee 152076 e P uma z CT E Y RBA 62 i xs NS UAE
26. 501 C51 CEA 220 35L C57 CEA 470M 10L C33 C34 SEMICONDUCTORS CEA 101M 10L C83 C84 CEA 102M 50L C54 Part No Symbol amp Description CEA 101M 50L C55 C60 C61 CEA 101M 35L C56 2502602 Q1 02 CEANL2R2M 50 25 C26 25 872 011 012 254798 Q7 Q8 9 CEANL 100 16 4 CURE 017 018 CEANL 50 C75 C76 2617350 015 016 470 501 C77 C82 50173505 CCDSL 030C 50 C37 C38 hfe of 015 018 should have the same rank CCDSL 100K 500 C41 C42 2SC1919 Q3 O4 25 1815 5 6 CCDSL 220 50 C7 25 1775 09 010 013 014 CCDSL 470 50 C5 C6 C21 C22 C29 C32 2SC1384 023 024 CCDSL 560 50 C15 C16 C27 C28 25D880 025 CCDSL 820 50 C35 C36 25 1885 026 CCDSL 181K 500 C43 C46 152076 01 04 018 019 151555 CEA 221M 10L 17 18 3002 D11 D14 CKDYF 2232 50 C39 C40 C89 C90 10E2 D9 D10 CKDYX 473M 25 C78 C81 SIBO1 02 CKDYA 102J 50 C85 C88 COMA 473K 50 C47 C48 152473 05 06 MZ 230 D20 122 50 C11 C12 2 192 017 183 50 9 10 WZ 192 563 50 23 24 2 250 016 683 50 13 14 STV3H D7 08 CEANL R47M 50 C19 C20 ACG 004 C58 Ceramic 0 01 150V OTHERS Part No gt Symbol amp Description PC AKB 063 Terminal TAPE AKB 064 Terminal INPUT 2 CONTRAST MISCELLANEOUS PARTS e The A mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of ide
27. 562575 Volume Assembly 25 1735 0419 0420 202 25C1735 D Mark Part No Symbol 8 Description 25AB50 C Q421 Q422 410 Variable resistor 25 850 0 VOLUME BALANCE hfe of 0419 0422 should have the same value 2SA1015 O403 Q404 25 7 Headphones Jack Assembly 2SA1015 Y 0405 0406 Part No Symbol amp Description 2SA1015 GR KN Phones jack PHONES 25C1815 Y 0407 0408 28C1815 GR hfe of 0405 0408 should have the same value Loudness Assembly 25 905 0409 Q410 Mark Part No Symbol amp Description OT 1505 563K 50 101 102 kk 25 1914 0501 0502 CCDSL 221J 50 C103 C104 2502259 Q401 Q402 250313 2703 RD PM123J R101 8102 250880 101 8105 25 1915 Q423 O424 Push switch LOUDNESS 152473 D401 D402 D405 D408 D419 WC DAD 151555 0420 0501 0505 182076 661 P Indicator Assembly GWX 661 WZ 230 Mark Part No Symbol amp Description 2 157 D506 D702 D703 RD 4PM431J R201 WZ 157 101 1 R202 0523 0 0415 0418 MZ 100 D403 D404 AEL 346 0201 0207 0209 0211 WZ 100 AEL 324 D208 76 4 9 The indicated semiconductors are representative ones only Other alternative semiconductors may be used and are listed in the parts list AF Ass y GWK 180 01 2 2SC2579MA A 9 10 E 03 4 2SAMO4 M
28. 96 17 5 watts per channel power No more than 0 00796 Intermodulation Distortion 50 Hertz 7 000 Hertz 4 1 8 ohms from AUX continuous rated power output No more than 0 00796 17 5 watts per channel power output No more than 0 00596 Damping Factor 20 Hertz to 20 000 Hertz 8 ohms 50 Input Sensitivity Impedance 2 5 mV 50 kilohms TUNER AUX TAPE PLAY 1 2 150 mV 50 kilohms Phono Overload Level T H D 0 00496 1 000 Hz PONO Sci DE PU EE TT UE TR 140 mV Output Level Impedance AE REC 22 22 a 150 mV 2 7 kilohms Speaker 6 16 9 PHONO RIAA Equalization CAI 20 Hz to 20 000 Hz 0 5 dB TUNER AUX TAPE PLAY 1 2 5 Hz to 100 000 dB Tone Control 8 dB 100 Hz 8 dB 10 kHz 2 PACKING Loudness Contour Volume control set at 40 dB RENE 6 100 Hz 3 dB 10 kHz Hum and Noise IHF short circuited A network 70 dB TUNER AUX TAPE PLAY 1 2 100 dB MARINO RS RE le 20 dB Miscellaneous Power Requirements 120 V 60 Hz Power Consumption 180 Watts UL 220 VA CSA Dimensions 420 W x 98 H x 367 D mm 16 9 16 W x 3 7 8 x 14 11 16 D in Weight without package
29. A A 0401 402 405 408 i POWER AMP 041 414 419 420 152473 ASF 28 LE capa 2205 9501 502 25C1914A PROTECTION 0503 HEADPHONES T 7 0 789881 2 SP AT iw 0501 505 _ 152473 HEADPHONES JACK Ass y 0403 404 1 5 2 100 n 0409 40 STV2H 0415 418 052380 704 2 230 ogg i TONE CONTROL Ass y Pr enu ccm e mcer c H L 5 0 63 RI 11h 29 0503 504 pA Hos 100 259454 L amp 2k 0505 SP B 255041384 E ot PROTECTION i 0 12 LT 3 4 an git u 8200 IT Aq az F 5 89 45 a 2509454 85 VAS TREBLE 1 140 140 401 402 25C2259 0413 416 2SAT750 403 406 2541015 Q417 48 28 1400 407 408 2561815 049 420 25 1735 409 254905 0421 422 25 50 AM 412 2561400 0423 424 25 1915 MZ 157 SWITCHED UNSWITCHED TOTAL MAX 200 rasa R452 3 9k 22h Af ac Es 0 GHz POWER CORD ADG 052 ci 991 ACISO 55 POWER ASG 521 IDLE CURRENT ADJ C92 063 56 1 8 SCHEMATIC DIAGRAM FUNCTION SWITCH Ass y L CH Pom 69 6 Frame ee
30. ATION 4 1 Meguro 1 Ehome Meguro ku Tokyo 153 Japan PIONEER ELECTRONICS CORPORATION ES Oxford Drive Mocnachie New Jersey 07074 U S A PIONEER ELECTRONIC EUROPE N V Luithagen Haven 2030 Antwerp Belgium PIONEER ELECTRONICS AUSTRALIA PTY LTD 178 184 Boundary Road Braeside Victoria 3185 Australia YE 1981 Printed in Japan COPY INDICATOR This indicates the tape deck which is recording in accor dance with the position selected by the REC OUT SELEC TOR switch 4 MUTING INDICATOR This lights up red in accordance with the ON position of the MUTING switch 42 SPEAKERS INDICATORS These light when one of the SPEAKERS switches has been depressed 49 LOUDNESS INDICATOR This lights when the LOUDNESS switch has been set to ON TONE CONTROL INDICATOR This lights when the tone control circuitry has been ac tuated 1 FUNCTION INDICATORS The indicator corresponding to the selected function switch lights 0 MUTING 20 dB SWITCH The volume is attenuated by 20 dB when this switch is depressed to the ON position MUTING indicator lights The switch can be used effectively when the stylus descends on to the record during record play when the sound is to be turned down temporarily and when you want to adjust the sound precisely as you listen to a program source under low sound level conditions D TONE SWITCH When this switch is depressed to the ON position TONE CONTRO
31. L indicator lights the input signal s tone quality can be adjusted with the tone controls SPEAKERS SWITCHES These are used to select the speakers through which you will listen to the sound When one of the switches is depressed the corresponding speaker indicator will light to indicate that the selected speakers are now working A The sound is heard from the speakers connected to the speaker A terminals B The sound is heard from the speakers connected to the speaker B terminals No sound will be heard when SPEAKERS A and B switches are both released This is the position at which the sound can be heard through the headphones d 3 FRONT PANEL FACILITIES LOUDNESS indicator D POWER SWITCH Power is supplied to the stereo amplifier as soon as this switch is depressed to the ON position The power is turned off when the switch is released to the OFF position 2 BASS CONTROL This is used to adjust the bass low frequency range sound Rotate this control with the TONE switch depressed to the ON position The bass is emphasized when the control is rotated clockwise from its center position and attenuated when it is rotated counterclockwise 8 TREBLE CONTROL This is used to adjust the treble high frequency range sound Rotate this control with the TONE switch depressed to the ON position The treble is emphasized when the con trol is rotated clockwise from its center
32. Liu fies j io IER MPO aj eee Bar WI Das Pa xz uf ra T E R76 3 ju TR 184418 e 1854 pack 120 LE ATA j PI 4 ER TT 128 2281 NL IL DO ox T Wes el E a Le is 1 2 n T 150 Che 8 a Le Lip ex e A id T ren 4 4 gt EF m Do GEZE F 1 5 Qon 50 T TL Y t 48 2 diit Him 02 4 AW 1 SA L Ol d 4 tr iin 4 a 2545 m q tho 741 1 2 231 d 12 E Y 0 046 9 1 4 1 N pu Y 2 m i i u AAA LH a 1 16 15 1 FA D 56 b 4 2a Mim 4 ES 200 l 100 4 5120 s 55 Lats ui Fla T 5A Mis ise 4 E Res 0220 LAN PS 4 HP o IE 1 2 Pani NN STV3H Oory hi 10 17 11 179 ij 1 pu 4 5410 Moor ES C E ms ww di b
33. al voltage at 35 W 35 output S3 1 SPEAKER 4 QN OFF voltage V at no input signal 53 2 SPEAKER 81 ON OFF Value in iis DC voltage at rated power 53 3 ON OFF lt mA DC current at input signal 53 4 MUTING 2048 ON OFF 54 LOUDMESS ON OFF 55 POWER ON OFF 4 OTHERS b Signal route D Adjusting point The underlined indicates the switch position The mark found on some component parts indicates the im portance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation This is the basic schematic diagram but the actual circuit may vary due to improvements in design The indicated semiconductors are representative ones only Other alternative semiconductors may be used and are listed in the parts list m e e I M Yme QT T Ass y GWK 182 01 2 25 2579 A 9 k 03 4 25404 FA A D401 402 405 408 D4ti 414 419 420 PONER AME A EN 152473 du tan a ELLE 0 9501 502 Gan 1 PEN 25C1914A 42 nens jc DELITOS HON gin i H EE DH 3 DSO 503 HEADPHONES 152473 x AT iW HEADPHONES D403 404 2 100 0409 410 STV2H ROL Ass y
34. cription ATT 800 T1 Power transformer CEA 471M 6L C501 AEK 101 FU1 Fuse 3A 125V CEA R47M 501 C503 ASG 521 51 Push switch POWER CEANL 010M 50 C13 C14 019 1 Ceramic capacitor 0 01 AC150V CEANL 2R2M 50 C419 420 CKDYF 223Z 50 C901 CEANL 4R7M 50 C4 C409 C410 25 2579 O1 02 25 2579 CCDSL 150 50 C405 C406 25 1104 Q3 04 A CCDSL 151K 500 427 0430 25 1104 CCDSL 1000 50 431 432 of Q1 Q4 should have the same value CCDSL 560J 50 C421 C422 CCDSL 820J 50 C403 C404 AKE 051 Terminal SPEAKERS A AKP 041 AC socket AC OUTLETS CCDSL 561J 50 C401 C402 A ADG 052 AC power cord COMA 392K 50 C115612 GWK 180 AF assembly COMA 562K 50 C7 C8 GWX 661 Indicator assembly COMA 152K 50 C9 C10 AWX 212 Composition assembly 183J 50 411 414 AF Assembly GWK 180 CAPACITORS Mark Le fe xe Le 15 Part No CCDSL 221 50 211 019 017 CEA 101M 10L CEA 101M 25L CEA 221M 50L CEA 470M 101 CEA 470M 251 CEA 331M 501 100 50 C504 C505 Electrolytic 0 47 50V When ordering resistors convert the resistance value into code form and then rewrite the part no as before Function switch ass y Tone ACH 356 control ass y RESISTORS Note Mark Part No Symbol amp Description Dum ES C92 063 C1 C2 423 426 C703 C704 Electrolytic 5600 50V C7
35. istening to a tape in a tape deck connected to the TAPE 1 jacks or to monitor a recording TAPE 2 Depress for listening to a tape in a second tape deck or other adaptor component connected to the TAPE 2 jacks or to monitor a recording NOTE Depress only one function switch at a time The desired program source may not be selected if two or more switches are depressed at the same 7 BALANCE CONTROL This is used to adjust the balance of the sound from the left and right channels When rotated clockwise from its center position the volume of the left L channel is reduced when rotated counterclockwise the volume of the right R chan nel is reduced VOLUME CONTROL This is used to adjust the volume of sound heard through the speakers or headphones No sound is heard when it is set to the 0 position To increase the volume rotate this control slowly clockwise Q 9 LOUDNESS SWITCH The bass and treble sound is emphasized when this switch 15 depressed to the ON position LOUDNESS indicator lights under low volume listening conditions The sound comes alive even when the volume is low 1 SPECIFICATIONS Amplifier Section Continuous Power Output is 35 watts per channel min at 8 ohms from 20 Hertz to 20 000 Hertz with no more than 0 009 total harmonic distortion Total Harmonic Distortion 20 Hertz to 20 000 Hertz 8 ohms from AUX continuous rated power output No more than 0 009
36. l Description KU type HB type HE type Front panel assembly ANB 848 ANB 896 ANB 896 Power transformer ATT 666 ATT 705 ATT 705 FU1 Fuse 3A 101 AFU 1A ANTES 402 402 FU2 3 Fuse 2 5A NETTO AEK 403 AEK 403 A FUA 5A SEE iU S6 Lever switch POWER ASK 520 NE AEK 403 ASK 521 ASK 521 AC socket AKP 032 AKP 044 026 ADG 023 ADG 051 ADG 041 Screw ABA 145 ABA 116 PACKING AND FURNISHED PARTS ACI Ceramic capacitor 0 01 250V ACG 001 29 116 Part Symbol Description KU type E HB type HE type ARB 366 Operating instructions ENGLISH ARB 352 ARB 366 ARD 148 Operating instructions GERMAN FRENCH AHD 749 AHD 776 Packing case 776 GA 510 HE HB BOARD ASSEMBLIES When ordering resistance value int then rewrite the resistors convert the o code form and rt no as before 5 PARTS LIST OF GWK 154 Note AF AMP Assembly RESISTOR TRANSFORMER dd Part No Symbol amp Description z ble 500k BALANCE Foes Part _____ Symbol amp Description a ACT us va 0 22 2Wx2 1 Remote slide switch 07 R65 R66 Wire wound 0 FUNCTION ACN 070 ASK 172 52 Lever switch
37. lo por 10 minutos Extraer la tapa TP1 TP2 eo 10 REGLAGE R glage du courant d watt e Tourner fond VR1 L gauche et VR2 R droite en sens inverse des aiguilles d une montre e Sans charge ni signal d entr e allumer l inter rupteur POWER et le maintenir 10 minutes Point de Terminal de VR2 et Enlever le couvercle TP1 TP2 1 10 ADJUSTMENTS Idle Current Adjustment e Turn VR1 L and VR2 R fully around in the counter clockwise direction e Without any load or input signal turn to POW ER switch ON and let stand for 10 minutes Adjustment Prescribed Measuring point value terminal 31mV 13mV TP1 and TP2 VR2 R 31mV 13mV TP4 and TP3 Remove the top cover 78 ADDITIONAL O PIONEER Service ORDER NO ART 621 0 NON SWITCHING AMP STEREO AMPLIFIER 5 The basic performance of the HE and HB types is same as the KU type please refer to the KU type service manual ART 620 with the exception of this supplements SPECIFICATIONS The specifications for HE and HB types are the same as the KU type except for following sections Amplifier Section Miscellaneous Hum and Noise DIN continuous Power 50mW Power Requirements 220V 240V Switchable
38. ntical P C BOARD ASSEMBLIES designation Part No D ti p Symbol escription 1 type AF amplifier assembly GWK 143 GWK 154 GWK 154 Tone control assembly GWG 137 GWG 144 GWG 144 Switch assembly GWS 212 GWS 238 GWS 238 Switch assembly GWS 213 GWS 239 GWS 239 Volume assembly GWX 457 GWX 492 GWX 492 Headphone assembly GWX 458 GWX 493 GWX 493 Fuse assembly GWX 494 GWX 494 OTHERS bol Descripti RUES Front panel assembly ANB 848 ANB 896 ANB 896 T1 Power transformer ATT 666 ATT 705 ATT 705 A Fut Fuse 3A cr 2222 19 2 AFU1 Fuse 1 AEK 402 AEK 402 AFU2 3 Fuse 2 5A AEK 403 AEK 403 FUA Fuse 25A 1 212421 403 S6 Lever switch POWER ASK 520 ASK 521 ASK 521 A C1 Ceramic capacitor 0 01 250V 7 22112022 117 21123225 socket 032 044 026 AC power cord ADG 023 ADG 051 ADG 041 Screw ABA 145 ABA 116 ABA 116 PACKING AND FURNISHED PARTS Symbol Description M KU type HB type HE type Operating instructions ENGLISH ARB 352 ARB 366 ARB 366 Operating instructions ARD 148 GERMAN FRENCH Packing case AHD 749 AHD 776 Ul SA 510 HE 2 4 P C BOARD PATTERNS AF AMP Assembly GWK 154
39. s DC voltage at rated power 53 3 ON OFF lt DC current at no input signal S3 4 MUTING 20dB ON OFF 54 LOUDNESS ON OFF 55 POWER ON OFF 4 OTHERS Signal route Adjusting point The underlined indicates the switch position The A mark found on some component parts indicates the im portance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation This is the basic schematic diagram but the actual circuit may vary due to improvements in design Function Switch Assembly Mark Part No 50 408 RD PM101J Tone Control Assembly CAPACITORS Mark Part No 333K 50 122K 50 COMA 124K 50 822K 50 CCDSL 390J 50 RESISTORS Symbol amp Description S1 Push switch FUNCTION R13 Symbol amp Description C1 C2 C5 C6 C3 C4 C7 C8 C11 12 Note When ordering resistors convert the resistance value into code form and then rewrite the part no as before Mark Part No 140 ACT 140 RD PM OOO J Symbol amp Description VR1 Variable 100k B BASS VH2 Variable 100k B TREBLE R1 R12 17 10 AJUSTE Ajuste la corriente la corriente devatiada e Girar la VR1 L izquierda VR2 R derecha totalmente en la direcci n hacia la izquierda e Sin ninguna carga o se al de entrada girar el interruptor de la alimentaci n POWER a ON y mant nga
40. se it depends on model number temperature humidity etc P C BOARD ASSEMBLY Part No Mark Symbol amp Description KU type HE type HB type Remarks AF assembly GWK 180 GWK 182 GWK 182 ELECTRICAL PARTS Part No Symbol amp Description KU type Remarks Power transformer 120V ATT 800 969 MEET coe e Power transformer 220V 240V A FUI Fuse 3A AEK 101 2022000 222 Fuse T1 25A AC250V AEK 018 FU2 Fuse T25A AC250V 403 Wo 222 91 Push switch POWER ASG 521 ASG 522 4 1 Ceramic capacitor AGCG OT19 2222 0 01 AC150V socket AC OUTLETS AKP 041 AKP 026 AKP 044 power cord ADG 052 ADG 041 ADG 051 FURNISHED PARTS _ Symbol amp Description KU type HE type HB type Operating instructions English 416 1 423 Operating instructions English French German Italian ARD 169 mE Parts List of AF Assembly GWK 182 Mark Part No Symbol amp Description 2SC1400 E 0411 0412 0417 0418 gt CAPACITORS Mark Part No Symbol amp Description 2SC2603 A E gt 2SC2603 A F CCDSL 221J 50 C1 C2 423 426 2SA750 E 0413 0416 211 C703 C704 Electrolytic 2SA750 U 5600 50 25 1115
41. z I 108 par git 854 MUS LM da TM eon Run 1735 Oe ri rc i Mv 35 4 EI loti p T pi 4 It M 3 1 Ci 27 x wid it CH 4 100 ri yp jam Fl 25 872 ces Se 0022 IB5O0NIC 4 De 200 amp T ll dm 1 OFF Fuse Assembly GWX 494 DR EE on Ei TIA 220V 240 FU1 2311 NOTE The only difference between following assemblies in models 60 C62 952 OB SA 510 KU HE and HB types lies in the assembly parts numbers All circuit and parts are exactly the same For P C board patterns SA 510 KU type Description Tone control assernbly Switch assembly A Switch assembly B Volume assembly Headphones assembly GWG 137 GWS 212 GWS 213 GWX 457 GWX 458 Part Mo refer to the service manual for zu 4 5 GWG 144 GWS 238 GWS 239 GWX 492 GWX 493 PHONO EEE b A aur 2502602 302501015 Boe TUNER p PLAY Ve 1 AF asy 1172 aw K 03 4 25C1919 154 1 nm x 8 6 rx mna 1 RESISTORS Indicated 2 5 tolerance unless otherwise noled k M Mu 21
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