sa-wm500 service manual
Contents
1. D503 MAIN BOARD 1 CONTROL BOARD 1 0501 10601 1 2 bd Sm ll um csi TERMINAL BOARD 5 4 SPEAKER LIMITER AMP MIX AMP PASS 1 R501 11 8 IN OUT 33k 3m 170 7 5m 70 7 3 eli 0 5 PER FM 1 0 72 EF tole T M PERS i 7 js 0 it TES 0 jos R503 2 44 8 nen fae alo o 2111 603 R605 R606 0 72 6 5601 b j 7 iaw 10 5 R520 Tk 35 4 47 Ak PHASE B MK NORMAL 10602 1 2 A AM R521 R602 C604 C606 BA15218 R502 R504 ego 0504 6521 47k OHO 100k 01 22 FILTER AMP 33k 33k 40502 1991337 csal d jae Fi En 2 rt E IC501 2 2 Ryen R608 70 75 P sew un 50102 2 1 20k LOW PASS FILTER 10k 2744 0607 B 7 505 R603 5 CUT OFF FREG 5 sov JI RV R 1 1 R523 C523 5 LEVEL 10 5 Hts 70 7 R604 R609 R611 amp e ri 2 D as 100k F 10k 10k maesi 0 7 850 R524 C524 8525 zc 47 617 J501 R509 R511 C503 22k 0 01 50V IC602 2 2 OUT 47k 47k 7220p AN TI 612 15218 C605 R610 100k BUFFER LINE R5272. E 100 m gt 35V 141 caos d 0801 001 T BC901 C707 6 C807 22 11 82 B2P3 VH l 100 77 C708 L0 T ole 0821 90 25V 26811 12k 4 100V gt 10 MTZJ T 72 12B 50V 01 10V T C902 lt lt 0822 0808 4 0804 0901 AN T 001 705 ole MTZJ T 72 12B C806 11ES2 1551337 22 220 4 gt t T 04 R802 0401 50V oe 6810 12 5 R804 25V 1 1561337 tL 710 0803 10 CN905 lt AW HS E 22k RY901 1 T 11 52 1AW B5 6 H EH Hn sasis R707 ale 8 gt 44 a POWER RLY D702 D701 Y HE Q802 lt 1551337 1851337 J 2541015 12V REGULATOR 2862784 sey 8 We 27 ey cr R403 R402 DTC124ES 1 3 100k 50 7 100k 56k Am pg VE OVERLOAD DETECT 68 EN TW 10 5 7 i 2 0701 0401 0 2 2502785 gus Rn0 eee 2502785 CN904 1 K PROTECTOR Tui n B3B XH A 2 cas 0 3 41040 MUTING 22 40 ba 220 22k 391 22 15400 B2P VH R711 0703 10V y SP401 1551227 E i RUM A eX 0403 2502785 OVERLOAD BETECT SPK RLY L 422 2 MS a AC IN X mean standardized parts so they may have some difference from the original one Color indication of Appearance Parts Example KNOB BALANCE eh x Parts color Cabinet s color Items marked are not stocked since they are seldom required for routine service
3. 1 126 965 91 ELECT 22uF 20 50 R303 1 249 421 11 CARBON 2 2K 5 14W F C607 1 126 965 91 ELECT 22uF 209 50V C608 1 126 963 11 ELECT 4 7uF 20 50 A 4731 771 A MAIN BOARD COMPLETE IC 2 2 of oe 2 oo IC601 8 759 943 94 IC BA15218 lt CAPACITOR gt 16602 8 759 943 94 15218 401 1 564 320 00 CONNECTOR 3 96mm PITCH 2P lt RESISTOR gt BC801 1 564 104 00 PIN CONNECTOR 3 96mm PITCH 3P BC802 1 691 767 11 PLUG MICRO CONNECTOR 5P R601 1 249 429 11 CARBON 10K 5 1 4W R602 1 249 441 11 CARBON 100K 5 1 4W lt CAPACITOR gt R603 1 247 881 00 CARBON 120K 5 1 4W R604 1 249 441 11 CARBON 100K 5 1 4W C401 1 124 257 00 ELECT 2 2uF 20 50V R605 1 249 425 11 CARBON 4 7K 5 14W F C402 1 126 950 11 ELECT 330uF 20 35V C403 1 126 934 11 ELECT 220uF 20 10V R606 1 249 425 11 CARBON 4 7K 5 14W F C501 1 124 247 91 ELECT 10uF 20 35V R607 1 247 887 00 CARBON 220K 5 1 4W C502 1 102 978 00 CERAMIC 220PF 5 50V R608 1 249 429 11 CARBON 10K 5 1 4W R609 1 249 429 11 CARBON 10K 5 1 4W C503 1 102 978 00 CERAMIC 220PF 5 50V R610 1 249 425 11 CARBON 4 7K 5 1 4W F C520 1 102 978 00 CERAMIC 220 5 50V C521 1 102 978 00 CERAMIC 220PF 5 50V R611 1 249 429 11 CARBON 10K 5 1 4W C522 1 124 247 91 ELECT 10uF 20 35V R612 1 249 441 11 CARBON 100K 5 1 4W C523 1 130 483 00 MYLAR
4. HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Date Description of Revision 2003 03 New 2003 06 Addition of Australian and Taiwan models ENG 03006 2004 09 Suffix change of Part No Ref No 8 and addition of destination SPM 04095
5. i R526 i R607 01 2 47k 10k 220k IN NW 4 3 1 0 7 H 507 R508 C502 501 R512 ic502 1 2 72 741 D 1k ik 2200 10 100k 15218 2147 35V LINE AMP 10 5 R528 D506 680 1851337 w 0302 BNIFAM 0532 BC502 250582 0301 LED PRIVE ga djB EH LED BOARD POWER SAVE SWITCH 9 8 0 ys s R303 D532 R532 10 5 22k E CHASSIS assisar 938 150 0533 AS i 1 503 2 2 DTC124ES R301 a ee ee UE ES C531 0503 2 2 10k R538 COLOR SELECT 9 8 ks SI ik POWER 52 LEVEL SHIFT ae 10 4 saz IM RELAY 9RIVE one A Dre POWER AMP BOARD 819 5 0 100k 3 850 11 8 Bc301 mt 707 Tl 19 7 2k 9 BAB EH R302 16701 Y 5 OFF DEM a 11 8 22k gt 1816018 5218 4 155133 330 ON R536 LED DRIVE F R531 TeV R534 F 1 COMPARATOR GREEN pog 470k 100k 1A2A3 X557 AB 9 170394940 sess 0531 olo ce S ens DTC124ES AUDIO SIGNAL DETECT 301 co wx POWER G 220p EE d 2 R701 D805 0 222 RBV602 C301 C702 220p R702 R703 C803 82k 8 2k MAN C703 C801 th 47 10000 3p 100V 71V C802 w R800 H R705 R704 se 510000 1 680 56k 79 8 55 0801 1 EE N w 076 58 2501815 12V REGULATOR l i E C809 0802 0 R801 saw C709 10 x 11 52 A 9
6. 0 01uF 5 50V lt VARIABLE RESISTOR gt C524 1 130 483 00 MYLAR 00 5 50V C531 1 128 551 11 ELECT 22uF 20 25V RV601 1 227 572 11 RES VAR 20K CUTOFF FREQ C532 1 104 661 91 ELECT 330uF 20 16V RV602 1 227 573 11 RES VAR 10K LEVEL C801 1 109 932 13 ELECT BLOCK 10000uF 20 71V C802 1 109 932 13 ELECT BLOCK 100004 20 71V SWITCH C803 1 130 777 00 MYLAR 0 1uF 10 100V 5601 1 786 490 11 SWITCH SLIDE PHASE C804 1 130 777 00 MYLAR 0 1uF 10 100V of C805 1 104 666 11 ELECT 220uF 209 25V C806 1 104 666 11 ELECT 220uF 20 25V C807 1 126 964 11 ELECT 10uF 20 50V C808 1 126 964 11 ELECT 10uF 20 50V C809 1 124 247 91 ELECT 10uF 20 35V C810 1 124 247 91 ELECT 10uF 20 35V 0 1uF 0 1uF DTA124ES DTA124ES 2562785 2562784 2562785 DTC124ESA DTC124ESA 25 1175 DTC124ESA 2SC1815 GR 2SA1015 GR 1K 12K 56K 100K 100K 22K 22K 33K 33K 33K 33K Ref No Part No Description C811 1 136 165 00 FILM C812 1 136 165 00 FILM lt DIODE gt D301 8 719 991 33 DIODE 155133 77 D400 8 719 991 33 DIODE 155133 77 D401 8 719 991 33 DIODE 155133 77 D501 8 719 991 33 DIODE 155133 77 D502 8 719 991 33 DIODE 155133 77 D503 8 719 991 33 DIODE 155133 77 D504 8 719 991 33 DIODE 155133 77 D505 8 719 991 33 DIODE 155133 77 0506 8 719 991 33 DIODE 155133 77 D531 8 719 991 33 DI
7. 1 R708 1 249 438 11 R709 1 249 433 11 R710 1 249 417 11 711 1 249 425 11 ANR712 1 202 972 61 713 1 216 357 00 714 1 249 399 11 k k k k k k k k k k kk kk k k k BC901 BC902 BC903 1 564 321 00 1 580 230 11 1 565 792 11 6901 6902 1 113 925 11 1 113 925 11 0901 8 719 991 33 10701 6 600 182 01 ANRY901 1 755 458 11 FUSE HOLDER FUSE HOLDER TRANSISTOR TRANSISTOR 28C2785 HFE RESISTOR ENCAPSULATED COMPONENT CARBON 8 2K 5 8 2 5 56 5 680 5 METAL OXIDE 100 5 CARBON 1K 5 CARBON 56K 5 CARBON 22K 5 CARBON 1K 5 CARBON 4 7K 5 FUSIBLE 1 5 METAL OXIDE 47 5 CARBON 33 5 POWER SUPPLY BOARD lt gt CONNECTOR 3 96mm PITCH 2P PIN CONNECTOR PC BOARD 2P PIN CONNECTOR 3 96mm PITCH 2P lt CAPACITOR gt CERAMIC 0 01uF 20 CERAMIC 0 01uF 20 lt DIODE gt DIODE 155133 77 IC 5 404 1405 lt RELAY gt RELAY 12 1 696 874 11 12 1 777 071 13 12 1 783 532 11 12 1 783 820 11 A F901 1 532 464 31 1 2W 1 2W A F901 1 532 465 31 1 4W A F901 1 532 746 11 1A4W SP401 1 825 344 11 101 1 443 026 11 2W AT101 1 439 749 11 1 4W 1 4W AT101 1 439 750 11 1 4W 7202 1 443 027 11 14W F AT202 1 439 706 11 7202 1 439 707 11 1AW F 1 4W iW 1 4W 250V 250V 1 569 008 12 1 751 598 5
8. 3 1 769 433 23 4 244 254 11 4 244 254 21 4 244 254 31 4 244 254 41 4 244 254 51 4 981 864 01 MISCELLANEOUS CORD POWER AUS CORD POWER AEP MY SP UK CORD POWER US CND CORD POWER TW FUSE T2 5AL 250V AEP MY SP UK AUS FUSE T3 15AL 250V TW FUSE GLASS TUBE 44 125V US CND SPEAKER 30cm POWER TRANSFORMER TW POWER TRANSFORMER AEP SP MY UK AUS POWER TRANSFORMER US CND SUB POWER TRANSFORMER TW SUB POWER TRANSFORMER US CND SUB POWER TRANSFORMER AEP SP MY UK AUS ACCESSORIES k k k k ADAPTOR CONVERSION 2P AUS CORD CONNECTION PIN PIN CORD SPEAKER INSTRUCTION MANUAL ENGLISH FRENCH US CND UK AUS INSTRUCTION MANUAL ENGLISH FRENCH GERMAN ITALIAN AEP INSTRUCTION MANUAL SPANISH DUTCH SWEDISH POLISH INSTRUCTION MANUAL PORTUGUESE DANISH FINNISH RUSSIAN AEP INSTRUCTION MANUAL ENGLISH FRENCH SPANISH TRADITIONAL CHINESE SP MY TW FOOT specified The components identified by mark or dotted line with mark A are critical for safety Replace only with part number Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi 10 SA WM500 MEMO SA WM500 REVISION
9. CT 47uF 20 100V 1 4W C704 1 102 936 00 CERAMIC 3 0PF 0 25PF50V 1 4W C705 1 126 961 11 ELECT 2 2uF 20 50 1 4W C706 1 104 666 11 ELECT 220uF 20 25V 1 4W C707 1 128 563 11 ELECT 100uF 20 100V 1 4W C708 1 128 582 11 ELECT 10uF 20 100V 1 4W 1 4W The components identified by Les composants identifi s par une mark or dotted line with mark marque sont critiques pour la 1 W are critical for safety s curit 1 2W Replace only with part number Ne les remplacer que par une specified pi ce portant le num ro sp cifi 9 SA WM500 Ver 1 1 2003 06 POWER AMP POWER SUPPLY POWER SWITCH Ref No Part No Description Remark Ref No Part No Description Remark C709 1 104 665 11 ELECT 100uF 20 25V POWER SWITCH BOARD C710 1 102 824 00 CERAMIC 470PF 5 50V C711 1 128 582 11 ELECT 10uF 20 100V lt CONNECTOR gt C712 1 130 777 00 MYLAR 0 1uF 10 100 BC302 1 580 230 11 PIN CONNECTOR PC BOARD 2P DIODE CAPACITOR D701 8 719 991 33 DIODE 155133 77 D702 8 719 991 33 DIODE 155133 77 AN C301 1 113 925 11 CERAMIC 0 01uF 20 250V D703 8 719 991 33 DIODE 155133 77 SWITCH FUSE HOLDER A S301 1 554 920 11 SWITCH PUSH AC POWER 1 KEY POWER F11 1 533 233 11 F12 1 533 233 11 0701 8 729 119 78 ANR701 1 234 182 11 R702 1 216 110 11 R703 1 216 110 11 R704 1 249 438 11 R705 1 249 415 11 R706 1 215 886 11 R707 1 249 417 1
10. F R509 1 249 425 11 CARBON 4 7K 5 14W F R510 1 249 425 11 CARBON 4 7K 5 14W F R511 1 249 425 11 CARBON 4 7K 5 14W F R512 1 249 441 11 CARBON 100K 5 1 4W R520 1 249 425 11 CARBON 4 7K 5 14W F R521 1 249 425 11 CARBON 4 7K 5 14W F R522 1 249 429 11 CARBON 10K 5 1 4W R523 1 249 431 11 CARBON 15K 5 1 4W R524 1 249 433 11 CARBON 22K 5 1 4W R525 1 249 435 11 CARBON 33K 5 1 4W 526 1 249 429 11 CARBON 10 5 1 4W R527 1 249 425 11 CARBON 4 7K 5 14W F R528 1 249 415 11 CARBON 680 5 14W F R531 1 247 895 00 CARBON 470K 5 1 4W 532 1 247 883 00 CARBON 150 5 1 4W R533 1 247 903 00 CARBON 1M 5 1 4W R534 1 249 441 11 CARBON 100K 5 1 4W R535 1 249 429 11 CARBON 10K 5 1 4W R536 1 249 429 11 CARBON 10K 5 1 4W 537 1 249 441 11 CARBON 100 5 1 4W R538 1 247 903 00 CARBON 1M 5 1 4W R539 1 249 433 11 CARBON 22K 5 1 4W R800 1 249 438 11 CARBON 56K 5 1 4W A R801 1 212 857 00 FUSIBLE 10 5 1 4W A R802 1 212 857 00 FUSIBLE 10 5 1 4W R803 1 249 421 11 CARBON 2 2K 5 14W F R804 1 249 421 11 CARBON 2 2K 5 14W F lt RELAY gt RY400 1 515 920 11 RELAY 24V lt SWITCH gt 5531 1 786 490 11 SWITCH SLIDE POWER SAVE lt TERMINAL gt 501 1 537 376 11 TERMINAL BOARD SPAKER POWER AMP BOARD of oe ok oe ok ke ok ak ok ok ak kok lt CONNECTOR gt BC701 1 691 590 11 POST WITH BASE B12B XH A 12P lt CAPACITOR gt 1W C701 1 102 978 00 CERAMIC 220PF 5 50V 1 4W C702 1 102 978 00 CERAMIC 220PF 5 50V 1 4W C703 1 128 562 11 ELE
11. ND 5 A 4731 772 A CONTROL BOARD COMPLETE SP401 1 825 344 11 SPEAKER 30cm 6 4 229 774 01 SCREW TAPPING HEXAGON SOCKET A T101 1 439 749 11 POWER TRANSFORMER AEP SP MY UK AUS 7 4 235 903 01 SCREW 3 5X20 A T101 1 439 750 11 POWER TRANSFORMER US CND 8 4 228 148 21 COVER REAR EXCEPT US CND A T101 1 443 026 11 POWER TRANSFORMER TW 8 4 228 148 31 COVER REAR US CND A T202 1 439 706 11 SUB POWER TRANSFORMER US CND 9 4 250 465 01 KNOB VOL A T202 1 439 707 11 SUB POWER TRANSFORMER 10 4 228 141 01 DUCT A AEP SP MY UK AUS 11 3 703 244 00 BUSHING 2104 CORD A T202 1 443 027 11 SUB POWER TRANSFORMER TW 12 1 696 874 11 CORD POWER AUS 1 7 685 881 09 SCREW BVTT 4X8 S 2 7 685 646 79 SCREW BVTP 3X8 TYPE2 3 12 1 777 071 13 CORD POWER AEP MY SP UK 12 1 783 532 11 CORD POWER CND US 3 7 685 650 79 SCREW BVTP 3X16 2 3 12 1 783 820 11 CORD POWER TW 4 7 685 647 79 SCREW BVTP 3X10 2 3 SA WM500 Ver 1 1 2003 06 CONTROL LED NOTE Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set XX X mean standardized parts so they may have some difference from the original one SECTION 4 ELECTRICAL PARTS LIST Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering th
12. ODE 155133 77 D532 8 719 991 33 DIODE 155133 77 D801 8 719 024 99 DIODE 11 52 2 D802 8 719 024 99 DIODE 11ES2 NTA2B D803 8 719 024 99 DIODE 11ES2 NTA2B D804 8 719 024 99 DIODE 11ES2 NTA2B 0805 8 719 072 05 DIODE RBV 602LF A D821 8 719 110 31 DIODE RD12ESB2 D822 8 719 110 31 DIODE RD12ESB2 lt TERMINAL gt 61 1 537 738 21 TERMINAL EARTH IC 10501 6 704 502 01 IC NJM022D 10502 6 704 502 01 IC NJM022D 16503 6 704 502 01 IC NJM022D JACK J501 1 770 157 21 JACK PIN 2P LINE TRANSISTOR Q301 8 729 900 63 TRANSISTOR 0302 8 729 900 63 TRANSISTOR 0401 8 729 119 78 TRANSISTOR 0402 8 729 178 42 TRANSISTOR 0403 8 729 119 78 TRANSISTOR 0404 8 729 029 86 TRANSISTOR Q531 8 729 029 86 TRANSISTOR Q532 8 729 119 76 TRANSISTOR 0533 8 729 029 86 TRANSISTOR 0801 8 729 281 53 TRANSISTOR 0802 8 729 201 53 TRANSISTOR lt RESISTOR gt A R400 1 215 869 11 METAL OXIDE R401 1 249 430 11 CARBON R402 1 249 438 11 CARBON R403 1 249 441 11 CARBON R404 1 249 441 11 CARBON R405 1 249 433 11 CARBON R406 1 249 433 11 CARBON R501 1 249 435 11 CARBON R502 1 249 435 11 CARBON R503 1 249 435 11 CARBON R504 1 249 435 11 CARBON R505 1 260 107 11 CARBON 4 7K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 SA WM500 MAIN POWER Remark Ref No Part No Description Remark 50V 506 1 260 107 11 CARBON 4 7K 5 1 2W 50V 507 1 249 417 11 CARBON 1K 5 14W F R508 1 249 417 11 CARBON 1K 5 14W
13. SERVICE MANUAL Ver 1 2 2004 09 SA WM500 US Model Canadian Model AEP Model UK Model E Model Australian Model SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION With 6 ohm loads from 20 200 Hz rated 150 watts minimum RMS power with no more than 0 7 total harmonic distortion from 250 milliwatts to rated output System Type Active Subwoofer magnetically shielded design Speaker unit Woofer 30 cm dia 12 in cone type Amplifier section Continuous RMS output 0 7 150W Reproduction frequency range 20 Hz 200 Hz High frequency cut off frequency 50 Hz 200 Hz Phase selector NORMAL REVERSE Inputs Input jacks LINE IN input pin jack SPEAKER IN input terminals Output jacks LINE OUT output pin jack SPEAKER OUT output terminals 9 877 136 03 Sony Corporation 2004102 1 2004 09 Published by Sony Engineering Corporation General Power requirements USA and Canada models 120 V AC 60 Hz AEP UK MY SP models 230 V AC 50 60 Hz AUS model 240V AC 50 60 Hz TW model 110 V AC 60Hz Power consumption 120 W Dimensions Approx 360 x 425 x 412 mm 14 x 163 4x 16 in w h d Mass 18 kg 39 6 Ib 107 Supplied accessories Foot pads 4 Audio connecting cord 1 1 phono 2m 6ft6 5in 1 Speaker cords 2 5 m 8 ft 2 in 2 Design and specifications are subject to change wi
14. Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the SECTION 3 EXPLODED VIEWS exploded views are not supplied Hardware mark list and accessories and packing materials are given in the last of this parts list Abbreviation CND Canadian model MY Malaysia model SP Singapore model AUS Australian model TW Taiwan model SA WM500 Ver 1 2 The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi 3 1 MAIN SECTION not supplied not not supplied supplied not supplied n S a 1 16 not supplied Ref No Part No Description Remark Ref No Part No Description Remark 1 4 235 677 01 SCREW 4X20 TYPE1 BVTP 14 4 874 614 21 SCREW 2 A 4736 352 A GRILLE FRAME ASSY BLACK 15 4 235 677 01 SCREW BVTP 4X20 TYPE1 2 A 4736 564 A GRILLE FRAME ASSY WOOD 16 3 703 044 26 LABEL CAUTION US CND 3 A 4736 349 A SPEAKER CABINET ASSY BLACK AF901 1 532 464 31 FUSE T2 5AL 250V AEP MY SP UK AUS 3 A 4736 563 A SPEAKER CABINET ASSY WOOD AF901 1 532 465 31 FUSE T3 15AL 250V TW 4 A 4731 771 A MAIN BOARD COMPLETE AF901 1 532 746 11 FUSE GLASS TUBE 4A 125V US C
15. age SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY TABLE OF CONTENTS Specifications oua e Aces eb per dene 1 Te GENERAL enne ets 3 2 DIAGRAMS 2 1 Circuit Boards Location eee 4 2 2 Printed Wiring Boards esee 5 2 3 Schematic 2 6 3 EXPLODED VIEWS B Main Section ione eee Reis 7 4 ELECTRICAL PARTS LIST 8 ATTENTION AU COMPOSANT AYANT RAPPORT LA S CURIT LES COMPOSANTS IDENTIFI S PAR UNE MARQUE SUR LES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES POUR LA S CURIT DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PIECES SONY DONT LES NUM ROS SONT DONN S DANS CE MANUEL OU DANS LES SUPPL MENTS PUBLI S PAR SONY SECTION 1 GENERAL Location of controls POWER SAVE AUTO lal OFF POWER POWER indicator SA WM500 This section is extracted from instruction manual CUT OFF FREQ PHASE NORMAL REVERSE oe LEVEL PHASE CUT OFF FREQ SA WM500 Ver 1 1 2003 06 SECTION 2 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary n
16. ation SA WM500 11 1 2 A LED BOARD 5 1 302 1 686 991 11 power nmm D SP401 SPEAKER H MAIN BOARD POWER AMP BOARD 3E 5531 POWER SAVE Q OFF AUTO 501 SPEAKER S601 CONTROL BOARD E NORMAL REVERSE ba C Is o BPO BO Are 1202 1 SUB TRANSFORMER RV601 CUT OFF FREQ T101 MAIN TRANSFORMER S301 pois 1 686 992 e Semiconductor Location Location A 3 ow AP 0 0 1 3 5 5 5 5 5 5 3 3 i 1 5 5 5 5 3 5 5 8 3 4 3 9 8 gt gt ULILOII own non AARAA OPPEN antoa SA WM500 Ver 1 1 2003 06 2 3 SCHEMATIC DIAGRAM See page 4 for Notes
17. ese items SEMICONDUCTORS In each case u for example uA u uPA u PA When indicating parts by reference num ber please include the board The components identified by mark A or dotted line with mark are critical for safety RESISTORS uPB PC Replace only with part number All resistors are in ohms uPD u PD specified METAL Metal film AR CAPACITORS CND Canadian model Les composants identifi s par une METAL OXIDE Metal oxide film resistor WR MY Malaysia model marque sont critiques pour la F nonflammable SC OIS SP Singapore model s curit AUS Australian model Ne les remplacer que par une TW Taiwan model pi ce portant le num ro sp cifi Ref No Part No Description Remark Ref No Part No Description Remark A 4731 772 A CONTROL BOARD COMPLETE LED BOARD oe ook a kok ak a ok ok lt CONNECTOR gt lt CONNECTOR gt BC601 1 564 508 11 PLUG CONNECTOR 5P BC301 1 564 519 11 PLUG CONNECTOR 4P lt CAPACITOR gt lt DIODE gt C601 1 130 495 00 MYLAR 0 1uF 596 50V D302 8 719 064 11 DIODE SPR 325MVW POWER C602 1 130 495 00 MYLAR 0 1uF 596 50V C603 1 126 963 11 ELECT 4 7uF 20 50 lt RESISTOR gt C604 1 130 495 00 MYLAR 0 1uF 5 50V C605 1 130 495 00 MYLAR 0 1uF 5 50V R301 1 249 417 11 CARBON 1K 5 14W F R302 1 249 421 11 CARBON 2 2K 5 1 4W F C606
18. ote is printed in each block For Printed Wiring Boards Note e o parts extracted from the component side e e parts extracted from the conductor side Pattern from the side which enables seeing 2 1 CIRCUIT BOARDS LOCATION LED board For Schematic Diagrams Note All capacitors are in uF unless otherwise noted pF uuF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in 4W or less unless otherwise specified LL panel designation Note Note The components identi Les composants identifi s par fied by mark A or dotted une marque A sont critiques line with mark A are criti pour la s curit cal for safety Ne les remplacer que par une Replace only with part pi ce portant le num ro number specified sp cifi B Line mmm B Line Voltages are dc with respect to ground under no signal conditions no mark Power on Voltages are taken with a VOM Input impedance 10 MQ Voltage variations may be noted due to normal production tolerances Signal path D AUDIO Abbreviation CND Canadian model MY Malaysia model SP Singapore model AUS Australian model TW Taiwan model CONTROL board hw MAIN board POWER AMP board POWER SUPPLY board POWER SWITCH board 2 2 PRINTED WIRING BOARDS See page 4 for Notes See page 4 for Circuit Boards Loc
19. thout notice ACTIVE SUBWOOFER e ON Y For other Service and User Manuals go to www ManualDepot com SA WM500 SAFETY CHECK OUT US model After correcting the original service problem perform the following safety checks before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE The AC leakage from any exposed metal part to earth Ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microampers Leakage current can be measured by any one of three methods 1 Acommercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set AC 0 T5uF voltmeter 075 Earth Ground Fig A Using an AC voltmeter to check AC leak
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