SERVICE MANUAL POWERED SUBWOOFER MODEL SKW
Contents
1. 0912 4700 50 Power switch PC board m 7 8 N F9012A 125V MJJ MDD JL911A JL641B Standby LED PC board MDD TYPE 120V 60HZ Power transformer PC board PARTS LIST PC BOARD 1 MAIN PC BOARD NAAF 6865 2D CIRCUIT NO Q624 Q501 Q502 Q503 Q504 Q505 Q507 Q506 Q510 Q509 Q513 Q514 Q517 Q603 Q518 Q519 Q601 Q602 Q604 Q605 Q606 Q621 Q622 D601 D615 D627 D628 D633 D911 D931 D932 D621 D622 D933 D951 D952 PART NO IG 22240369 Transistors 2210755 or 2210756 or 2215115 or 2215116 2211406 2211354 2211634 2211354 2202800 2202790 2213354 or 2213355 or 2215995 2215163 2215173 2213284 or 2213285 or 2215864 2215780 or 2212600 or 2213580 2213354 or 2213355 or 2215995 2215810 or 2213160 or 2214220 2213285 or 2213284 or 2215864 Diodes 223163 or 223205 223163 or 223205 223163 or 223205 22380021 223163 or 223205 224470272 224470562 224471503 DESCRIPTION M5218AP 28C1775A E or 2SC1775A F or 25 1775 or 28C1775 F 2SC2240 BL 2SA949 Y 25 2229 25 949 25 4793 2SA1837 25 9335 or 25 9335 5 or KTA1267 GR 2SD667A C 2SB647A C 2SC1740S R or 2SC1740S S or KTC3199 GR KRA103M or DTA124ES or RN2203 25 9335 25 9335 5 or KTA1267 GR KRC103M or DTC124ES or RN1203 2SC1740S S or 2SC1740S R or K2. SW 2 9806 6865 2 5 6V D931 NASW 6868 1 0951 14 4V o a ot Q952 POWER TRANS o 14 4V i MDD AC120V 0911 D ARRAY 1 amp AC IN H 5 GND 1 a NAPS 6869 2 B SCHEMATIC DIAGRAM Input Output PC board NAETC 6870 2 Volume PC board R328 RY 1 2 20 SP LEVEL INPUT OUTP Ulr AN JL303A Main PC board 6865 2 0621 10 50 413038 m a Standby LED PC board 1 4W 1 4W 1 4W 28 949 37 9V JL953B 0900900 0505 L 28A949 Y 37 9V oooe 1 JL953A 0501 0502 dosi 2501775 2501775 R951 0501 0 0505 74 4 2801266 87 5 47 1 4W R501 i 220 6 3 020 2 Toso2 502 Ca R507 oz 83K af MK N R953
3. ADJUSTMENT PROCEDURES 1 Confirming operations 1 1 Confirming operation of auto standby On Off a Turn AUTO STANDBY switch on b After no input condition continues more than 10 seconds short circuited the terminal of P604 Confirm that the indicator changes from red to green c Next short circuited the terminal of P604 Confirm that indicator changes from green to red 2 Adjustment of idling current a Adjust the trimming resistor R544 so that the voltage of P531 becomes 0 25mV Auto Standby Switch is OFF position No input and no load b After 5 minuters read just R544 so that the voltage becomes 4mV SKW 50 PACKING VIEW B33 The setting position before shimpment FRONT PANEL OUTPUT LEVEL RIGHT ABOVE CROSSOVER FREQUENCY RIGHT ABOVE POWERSW 2 OFF REAR PANEL AUTO STANDBY SWITCH ON B45 N 22 CAISSON DE BASSES AMPLIFIE SKW 50 B35 B34 PARTS LIST PACKING VIEW REF NO B31 B32 B33 B34 B35 B36 B37 B39 B40 B43 B44 B45 PART NO 62 000 394 01 65 000 204 01 80 000 470 01 80 000 470 11 84 001 923 01 85 000 400 11 85 000 354 21 29100097 1A 29365090 87 000 996 01 89 000 482 01 85 000 376 61 DESCRIPTION MONO BLACK 3m RCA Pin cord Foot Cushion Cushion Carton box 500x1550x0 5t Protection sheet Protection sheet 250x350 Poly bag Warranty card Instruction manual Label 700 x 950 Poly bag ONKYO CORPORATION Sales amp Product Plan
4. 20 22 23 B2 B3 7 B8 B9 B10 B14 B16 B17 B18 B19 B20 B23 B24 B27 F901 P535 P901 Q515 Q516 Q541 Q951 Q952 R602 T901 U1 U2 U3 U4 05 07 08 09 25 27160467 27130745 27141661 28184777 29 100 076 21 28141475 28141476 27122895A 830440109 28141473 28141474 28141334 27301941 260208 223021 W20170A AZ200003 01 31 000 038 61 29 100 076 11 51 000 119 01 AZ000084 01 54 000 122 01 58 000 301 01 57 000 581 01 58 000 302 01 58 000 303 01 58 000 304 01 70 015 450 01 70 015 414 01 71 079 800 03 DESCRIPTION Heat sink Bracket Retainer Cover Cushion t2X5X160 Cushion t2X5X80 Cushion Rear panel 4TTC 10C BC Self tapping screw t2X5X415 Cushion t2X5X195 Cushion Cushion Cord bushing Binder TBM 51W 9043 Isolation sheet Speaker ass y Cabinet ass y 105 8 115 L 195 Paper duct Cushion Box ass y Base ass y VHZ 30t 150 150 Sound absorbent Cover Panel Foot Knob A Knob B 4 50 Self tapping screw 4 14 Self tapping screw Nuts 252159 or 252253 2009990611UL 253272HIT 2A UL T 237 Fuse 2A T UL ST2 Fuse NSAS 2P0833 Socket AS UC 6 18 Power supply cord 2203063 or 2203062 or 2202524 or 2202526 or 2202523 2203053 or 2203052 or 2202514 or 2202516 or 2202513 2202104 or 2202103 2202754 2202764 4000144 2301487 1W204565 2D 1W204566 2D 1W204567 2D 1W204568 2D 1W204569 2D 1W204571 2D 1W204572 2D 1W204573
5. replace with same type fuse For fuse rating refer to the marking adjacent to the symbol Ce symbole indique que le fusible utlise est rapide Pour une protection permanente n untiliser que fusibles de meme type Ce darnier est la qu le present symbol est appse CIRCUIT NO PART NO DESCRIPTION F901 252159 or 2A UL T237 Fuse or 252253 2A T UL ST2 PANEL VIEW Frequency adjusting knob Output level adjusting knob ONKYO POWERED SUBWOOFER FREQUENCY OUTPUT LEVEL 9 50Hz oohz MIN POWER Power switch and indicator Speaker level input terminals LINE AUTO STANDBY L C OFF ON SPEAKER LEVEL TO SPEAKERS ETE EZ Speaker level output terminals Low level input jacks Auto standby switch Te To outlet REAR PANEL CONNECTION Connection with amplifier s special subwoofer jack If your receiver amplifier is equipped with a monaural subwoofer jack connect it to the SKW 50 Left LINE INPUT jack Connection with preamplifier Preamplifier Output terminals Connection with receiver s amplifier s speaker terminals AMP RECEIVER OUTPUT TO SPEAKERS A13 me EXPRODED VIEW 9 2 PARTS LIST EXPLODED VIEW REF NO A1 A3 A6 A8 11 12 13 14 16 17 18 19
6. 354744709 47uF 16V Elect 354744709 47uF 16V Elect 354742219 220uF 16V Elect Jack 25045549 NPJ 2PDBL370 Slide switch 25065286 NSS 22112 Terminal 25060288 NTM 8PDML219 Holders 25051089 NSCT 5P876 25051090 NSCT 6P877 OP AMPLIFIER PC BOARD NAAF 6867 2D Q303 Q305 C322 C344 C339 C340 C341 C343 C345 C347 P304 P305 P304A P305A P501A JL303B ICs 22240369 M5218AP Capacitors 354744709 47uF 16V Elect 374721044 0 1pF 5 50V Plastic 374721244 0 12pF 5 50V Plastic 374721244 0 12pF 5 50V Plastic Sockets 2009990672UL NSAS 6P0935 2009990601UL NSAS 12P0814 Plags 25055234 NPLG 3P218 25055237 NPLG 6P221 25055233 NPLG 2P217 Wire trap 25055626 NPLG 5P588 POWER SWITCH PC BOARD NASW 6868 2D S901 911 Push switch 25035550 Capacitor 3504349 NPS 111 L512P 4700uF 50V Elect PARTS LIST PC BOARD 4 POWER TRANSFORMER PC BOARD NAPS 6869 2D CIRCUIT NO PART NO DESCRIPTION Capacitor C902 3300054 DE1310E472M KH Sockets JL911B 25050280 NSCT 3P108 P902 2009990603UL NSAS 2P0817 Terminal P901A 25060092 1 33 Plug P902A 25055676 NPLG 2P632 Fuse holders F901A F901B 25052133 Cover C902A 27301216 SB1925A NSCT 1P2031 VOLUME CIRCUIT BOARD NAETC 6870 2D CIRCUIT NO PART NO DESCRIPTION Resistors R328 5132475 N14RGL20KA25Z R356 5132476 N14RGL20KB25Z STANDBY CIRCUIT BOARD NAETC 6873 2D CIRCUIT NO PART NO DESCRIPTION LED D641 225295 SML1216W
7. 151 151 M i 265 6 8K 1 2W 522 br 220 220 Q507 55 6551 28A949 Y Raid MTZJ15C A503 R509 12K 330 R615 2802229 37 9V 12K 37 8V 0503 R508 Pe D952 1 2W se MTZJ15C T asid R954 2 2802240 5 EN 6 8K 1 2W 052 38 4V re 47 50 gros 2802229 Y pas 1304 470 6 3 R512 4 4 0615 316 as i 0952 R952 aa 1 4W 1 238941 47 1 4W 4 L 5 8 0604 5 4 DTA124E 2 00 9 D 4 9 P504 0603 R60 T 100 1 R629 R612 K i 7 R627 0 4 390K 9 4 0622 R613 i 22k rd 9 YY W 25017405 22K 2549335 0 Pez R630 2 M5218 9628 4 820 Pes ak pi R624 22 AN 0633 R60 150K R611 100K Q605 2 2 t3 100K 062 R636 120K 155133 ME R623 Deel Deas NELS R631 iu 28 9338 8 180 2 MTZJ2 78 10 39K ik Sa R607 R626 GI 10K 10 R639 C622 R610 10 50 ES ae 31 100K Six M5218 on DTC124ES lt s 5 SCHEMATIC DIAGRAM CROSSOVER is 20KB R356 1 P305 Ia Volume PC board THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART WITH PART NUMBER SPECIFIED VOLTAGE MEASURED WITH VOLTMETER IS DC VOLTAGE NO INPUT SIGNAL ELECTROLYTIC CAPACITORS ARE IN uF WV ALL CAPACITORS ARE IN pF 50WV UNLESS OTHERWISE NOTED EX 030 3pF 330 33pF 331 330pF 333 0 033UF THE THICK LINES ON P
8. 2D 70 015 420 02 2SC5198 O Transistor 2SC5198 R Transistor 2SC4468 Y Transistor 2SC4468 P Transistor 2504468 0 Transistor 2SA1941 O Transistor 2SA1941 R Transistor 2SA1695 Y Transistor 2SA1695 P Transistor 2SA1695 O Transistor 2S5C3423 Y Transistor 2 3423 Transistor 25D1266 P Transistor 25B941 P Transistor PTH9M04 2 2K Thermistor NPT 1396D Power transformer NAAF 6865 2D Main PC board ass y NAAF 6866 2D Input Output PC board ass y NAAF 6867 2D OP amplifier PC board ass y NAAF 6868 2D Power supply PC board ass y NAAF 6869 2D Power transformer PC board ass y NAAF 6871 2D Volume PC board ass y NAAF 6872 2D PC board for holder NAAF 6873 2D Standby LED PC board ass y 4 x 20 Self tapping screw Exchange it for the thing of same rank when you replace the part of the mark BLOCK DIAGRAM SPEAKER INPUT OUTPUT SPEA 50H NAAF 6866 2 NAETC 6870 2 CUTOFFFREQUENCY VOLUME gt 21dB A 28dB amp tc LPF LPF Q303 POWERAMP 12DB OCT 12DB OCT 50 200HZ 50 200HZ NAETC 6867 2 22 AUTO STANDBY THERMAL ON OFF MUTE PROTECTION CIRCUIT AUTO_ CIRCUIT CIRCUIT STANDBY
9. C BOARD ARE THE PRINTING SIDE OF THE PARTS EX J PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPRIVEMENT CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH FUSE OF SAME TYPE AND RATING INDICATED ATTENTION AFIN D ASSURER UNE PROTECTION PERMANENTE CONTRE LES RISQUES D INCENOIE REPLACER UNIOUEMENT PAR UN FUSIBLE DE MEME TYPE ET CALIBRATION COMME INDIQUE OP amplifer PC board Main PC board lt a sim R513 n 15 0509 82 17440 25949 1 1 4W 0517 2549335 5 0505 9515 2505198 2804793 284468 i R528 pun or 330 6517 1128 150 2 100 1 2W R53 Q541 10 50 0 22 5 _ 2803423 5W a j alo C526 R532 nus pus 10 50 0225 12K z 150 ere 5W Q507 R533 SA949 Y WETE 22 9516 3 3 12K r 2SA1941 uw or an ee R543 21 6 2541698 I 194 0514 224 as L 28 183 C514 2SB647A 0506 2802229 R514 271912 P 82 1 4W 114W 39 0V 4 4 bo 0604 DTA124E Roos 100K re D601 P604 4603 Regs 155 188133 pp R931 0933 28 2349333 5 1 DE R603 MTZJ5 6847 4y 1W 0931 ET ce a 28017408 8 0911 sli 1 n os RS403L OT 25 2 2M 9338 8 R607 go 10K 4700 50 R602 PTH9M04BC222 Q601 25017405 5
10. PC BOARD NAAF 6865 2D CIRCUIT NO C501 C504 C517 C526 C527 C528 C621 C601 622 931 C912 C923 C951 C954 C502 C503 C519 C520 C630 C903 C904 R533 R531 R532 R526 R528 R615 R934 R953 R954 R931 R932 R544 E812 JL641 P501 JL641A P531 P604 P535A P623 JL953A E813 JL911A PART NO Capacitors 354722219 354724719 354781009 354784709 354781009 354763309 354781009 3504349 354742219 354742219 374721515 374722244 374721044 374731044 Resistors 453630334 4500018 443521514 443523314 443521234 443521024 443526824 443628214 5210359 Clamp 260224 Sockets 2009990604UL 2009990602UL Plugs 25055133 25055038 25055165 25055038 25055627 Holders 27190608 1 25051107 DESCRIPTION 220uF 6 3V Elect 470uF 6 3V Elect 10uF 50V Elect 47uF 50V Elect 10uF 50V Elect 33uF 35V Elect 10uF 50V Elect 4700uF 50V Elect 220uF 16V Elect 220uF 16V Elect 150pF 10 50V Plastic 0 22uF 5 50V Plastic 0 1uF 5 50V Plastic 0 1uF 5 100V Plastic RNU1WOJ 3 3 BPR58FK 0 22 RS1 2WBJ 150 RS1 2WBJ 330 RS1 2WBJ 12K RS1 2WBJ 1K RS1 2WBJ 6 8K RS1WBJ 820 NO6HR100BC CP 1S NSAS 6P0818 NSAS 4P0815 NPLG 3P117 NPLG 2P29 NPLG 2P149 NPLG 2P29 NPLG 6P589 CRAMP UA 0 VO NSCT 3P894 PARTS LIST PC BOARD 3 INPUT OUTPUT PC BOARD NAAF 6866 2D CIRCUIT NO 301 0302 C301 C302 C305 C320 955 956 P301 301 P302 JL303A JL953B PART NO DESCRIPTION ICs 22240369 M5218AP Capacitors
11. SKW 50 Ref No 3699 ONKYO SERVICE MANUAL 072001 POWERED SUBWOOFER MODEL SKW 50 MDD 120 AC 60Hz SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC 5 REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBER APPEAR AS SHOWN IN THIS MANUAL MAKE LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER ONKYO IMAGINATIVE SIGHT amp SOUND SPECIFICATIONS Type Bass reflex with built in power amplifier Use For superbass range reproduction Frequency response 30 200 2 at maximum crossover frequency Crossover frequency 50 200Hz variable Maximam output power 60W Input impedance 4 7kohm for speaker level input terminals 12kohm for low level inputjacks Sensitivity Speaker level 2V Line 45mV SERVICE PROCEDURES 1 Replacing the fuse Speaker 20 cm woofer Power supply 120V 60Hz Power consumption 70W Dimensions W x H x D 235 x 490 x 409 mm 9 1 4 x 19 5 16 16 1 8 Weight 12 5kg 27 6lbs Accessory Pin connector cable 1 pc Spacers 4pcs Instruction manual Other AUTO STANDBY ON OFF with CANCELLING Switch H This symbol located near the fuses indicates that the fuse used is fast operating type For continued protection against fire hazard
12. TC3199 GR 1SS133 or 155270 155133 155270 155133 155270 RS403L 155133 or 155270 MTZJ2 7B MTZJ5 6B MTZJ15C PARTS LIST PC BOARD 1 MAIN PC BOARD NAAF 6865 2D CIRCUIT NO Q624 Q501 Q502 Q503 Q504 Q505 Q507 Q506 Q510 Q509 Q513 Q514 Q517 Q603 Q518 Q519 Q601 Q602 Q604 Q605 Q606 Q621 Q622 D601 D615 D627 D628 D633 D911 D931 D932 D621 D622 D933 D951 D952 PART NO IG 22240369 Transistors 2210755 or 2210756 or 2215115 or 2215116 2211406 2211354 2211634 2211354 2202800 2202790 2213354 or 2213355 or 2215995 2215163 2215173 2213284 or 2213285 or 2215864 2215780 or 2212600 or 2213580 2213354 or 2213355 or 2215995 2215810 or 2213160 or 2214220 2213285 or 2213284 or 2215864 Diodes 223163 or 223205 223163 or 223205 223163 or 223205 22380021 223163 or 223205 224470272 224470562 224471503 DESCRIPTION M5218AP 28C1775A E or 2SC1775A F or 25 1775 or 28C1775 F 2SC2240 BL 2SA949 Y 25 2229 25 949 25 4793 2SA1837 25 9335 or 25 9335 5 or KTA1267 GR 2SD667A C 2SB647A C 2SC1740S R or 2SC1740S S or KTC3199 GR KRA103M or DTA124ES or RN2203 25 9335 25 9335 5 or KTA1267 GR KRC103M or DTC124ES or RN1203 2SC1740S S or 2SC1740S R or KTC3199 GR 1SS133 or 155270 155133 155270 155133 155270 RS403L 155133 or 155270 MTZJ2 7B MTZJ5 6B MTZJ15C PARTS LIST PC BOARD 2 MAIN
13. ning Div 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN Tel 072 831 8111 Fax 072 833 5222 ONKYO U S A CORPORATION 18 Park Way Upper Saddle River N J 07458 U S A Tel 201 785 2600 Fax 201 785 2650 E mail onkyo onkyousa com HOMEPAGE http www onkyo co jp
Download Pdf Manuals
Related Search