Kenwood-103-SW-Service-Manual(1) 电路图 维修手册.pdf

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1、SPECIFICATIONS POWERED SUBWOOFER 103SW/SW-301 1050SW/SW-501 SERVICE MANUAL 1997-10/B51-5376-00 (K/K) 2295 Knob (K29-0577-08) KENWOOD badge (B43-0302-04) Knob (K29-0573-08)RCA pin jack (E23-0224-08) Speaker terminal (E21-0279-08) Panel * (A29-) Cloth frame assy (B06-1144-08) Note : Refer to SW-900 se

2、rvice manual(B51-4228-00) if you need the microprocessor information. Power cord bushing (J42-0234-08) AC power cord* (E30-) Window (B10-3302-08) Knob (K29-0578-08) Knob (K29-0576-08) 1050SW(SW-501)103SW(SW-301) Amplifier Power output150 watts RMS into 4 ohms,100 watts RMS into 4 ohms, from 20 Hz to

3、 200 Hz, with nofrom 20 Hz to 200 Hz,with no more than 0.09%totalmore than 0.09%total harmonic distortionharmonic distortion Phase switchingNormal, ReverseNormal, Reverse Input sensitivity and input impedance RCA-type jack70 mV (12 k-ohms)70 mV (12 k-ohms) Push-type terminals1.7 V(15 k-ohms)1.7 V(15

4、 k-ohms) Supply voltageAC 110 V120 V (1050SW)AC 110 V120 V(103SW) Rated power consumption150 watts110 watts Speaker EnclosurePortedPorted Speaker units12 in (300 mm) polypropylene10 in (250 mm) polypropylene conecone Nominal impedance4 ohms4 ohms Width14.3 in (363 mm)11.8 in (300 mm) Height21.7 in (

5、550 mm)18.9 in (480 mm) Depth18.9 in (480 mm) with grille15.6 in (395 mm) Net weight53 lb (24 kg)40 lb (18 kg) Since Kenwood follows a policy of continuous advancement in development, these specifications may change without notice. Slide switch (S62-0207-08) * Refer to parts list on page 8. 103SW/SW

6、301(K) COVER( 98.4.24 20:44 yW 2 RadioFans.CN 收音机爱 好者资料库 103SW/SW-301/1050SW/SW-501 CONTENTS/DISASSEMBLY FOR REPAIR/ADJUSTMENT DISASSEMBLY FOR REPAIR ADJUSTMENT 2 SPECIFICATIONS .Top cover CONTENTS . 2 DISASSEMBLY FOR REPAIR.2 ADJUSTMENT.2 PC BOARD . 3 SCHEMATIC DIAGRAM . 5 EXPLODED VIEW .7 PARTS LI

7、ST.8 Contents 1 1 2 3 x3 Dc voltmeter 5 mV R611 (a) No.ITEM INPUT SETTINGS OUTPUT SETTINGS AMPLIFIER SETTINGS ALIGNMENT POINTS ALIGN FORFIG. Unless otherwise specified, the individual switches should be set as following : POWER : ON NO SIGNAL INPUT 1IDLE CURRENT Connect a DC voltmeter to R611 VOLUME

8、 : 0VR6015 mV(a) 1. Remove the decoration plate (1) by a pincette to the bottom of the front panel, then remove the 3 screws (2). 2. 103SW/SW-301: Remove the front panel in the upper slanting direction of the arrow (3). 1050SW/SW-501 : Remove the front panel just the frontwards. 103SW/SW301(K) COVER

9、( 98.4.24 20:44 yW 3 RadioFans.CN 收音机爱 好者资料库 ACEGIBDFHJ 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 34 103SW(K) PCB/SD 98.4.24 20:40 y W 1 RadioFans.CN 收音机爱 好者资料库 R614R631R663R801,2R851R871R872SW902AD801Q602Q603 82K/120K18K/22

10、K820/1.5K4.7/4.7220/-4.7/-4.7/-X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) 82K/120K18K/22K820/1.5K4.7/4.7220/-4.7/-4.7/-X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) 82K/120K18K/22K820/1.5K4.7/4.7220/-220/-10/-X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA130

11、2 (R) 82K/120K18K/22K820/1.5K4.7/4.7220/-220/-10/-X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) 82K/120K18K/22K820/1.5K4.7/4.7220/-220/-10/-X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) 82K/120K15K/18K560/-/-180/-4.7/-4.7/-X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941

12、(R) /2SA1302 (R) 56K/-15K/-560/-/-180/-4.7/-4.7/-X/-D3SBA20/-2SC5198/-2SA1941 (R) /- 56K/75K15K/18K560/-/-180/-4.7/-4.7/-O/OD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) 56K75K15K/18K560/-/-180/-4.7/-4.7/-O/OD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) 82K/-18K/-820/-4.7-2

13、20/-220-10/-O/-D3SBA20/-2SC5198/-2SA1941 (R) /- 56K/75K15K/18K270/270-/-180/1804.7/4.74.7/4.7X/XD3SBA20/D5SBA202SC5198/2SC3281 (R)2SA1941 (R) /2SA1302 (R) DESTINATION C204C207C631F901F902,3F904R206R603R606R613 COUNTRYABB USAK0.047UF/0.056UF0.047UF/0.039UF100U10/220U163.15A/4A0.8A/0.8A-/-12K/27K1K/82

14、0-/1K220K/270K CANADAP0.047UF/0.056UF0.047UF/0.039UF100U10/220U163.15A/4A0.8A/0.8A-/-12K/27K1K/820-/1K220K/270K EUROPEE0.047UF/0.056UF0.047UF/0.039UF100U10/220U161.6A/2A0.8A/0.8A-/-12K/27K1K/820-/1K220K/270K ENGLANDT0.047UF/0.056UF0.047UF/0.039UF100U10/220U161.6A/2A0.8A/0.8A-/-12K/27K1K/820-/1K220K/

15、270K GERMANYG0.047UF/0.056UF0.047UF/0.039UF100U10/220U161.6A/2A0.8A/0.8A-/-12K/27K1K/820-/1K220K/270K AUSTRALIAX0.047UF/0.056UF0.047UF/0.039UF100U10/220U161.6A/2A0.4A/0.4A-/-12K/27K1K/820-/1K180K/180K CHINAC0.047UF/-0.047UF/-100U10/-1.6A/-0.4A/-/-12K/-1K/-/-180K/- GENERAL MARKETM0.047UF/0.056UF0.047

16、UF/0.039UF100U10/220U161.6A/2A0.4A/0.4A1.6A/2A12K/27K1K/820-/1K180K/180K MALAYSIAI0.047UF/0.056UF0.047UF/0.039UF100U10/220U161.6A/2A0.4A/0.4A1.6A/2A12K/27K1K/820-/1K180K/180K PXY0.047UF/-0.047UF/-100U10/-1.6A/-0.8A/-1.6A/-12K/-1K/-/-220K/- JAPANJ0.047UF/0.056UF0.047UF/0.039UF100U10/220U163.15A/4A0.4

17、A/0.4A-/-12K/27K1K/820-/1K15K/18K A B D F H JC E G I 2 1 3 5 7 4 6 Y19-3900-10 103SW/SW-301/1050SW/SW-501 0.6V -7.8V 5.1V 0.7V DOWN 6.7V DOWN 8.0V 15.3V 15.3V 0V 0V 6.6V UP 7.1V6.6V UP 0V 4.9V 5.0V5.0V 5.0V 5.0V 5.0V 0.2V 4.4V 1.4V 5.0V 0V 5.0V 5.0V 5.0V 5.0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 5.0V 5.0V 2.3

18、V 2.4V 5.0V 5.6V 15.3V 21.3V 15.2V 15.8V -16.1V -24.9V -15.5V 5.2V 5.2V MUS:5.2V MOV:0V REV:0V NOR:5.2V -15.5V 15.2V -5.1V 5.2V -15.5V 15.2V -15.5V -15.5V 15.2V 3.5V 2.2V 0V -0.4V 0V -6.3V +2.1V -0.4V 0V 0V 0V -0.3V -1.3V -0.7V 0.5V 0V -0.5V 0.5V 0.3V 0V 5.1V0.4V 0.7V 4.9V -7.8V 0V 4.5V 0.4V 15.4V 0

19、.3V 0.8V 0.3V 1.8V 0.3V 2.0V 1.0V 0V INPUT/FILTER (210-6415-160) 1050SW/SW-501 103SW/SW-301 210-6415-150 (210-6415-140) U-COM (210-6415-130) POWER AMP (210-6415-110) IC601 IC204 IC851 IC651 IC402 IC401 IC404 IC441 IC403 -15V -5V -5V 220P C228 1K VR601 S IN GND DET -V GND +V GND GND AC-H2 -56.4V -46.

20、3V A A 55.8V 46.2V 1050 103 B 0.7V 2.3V 0V A B A A A B B B A C852 5.1V 0.2V 0.5V 0V AC-H1 SIN GND SOUT GND CCW CW 1 GND CW CCW 1 R410 +15V D GIND CONT.B CONT.A PEAK POWER MUTE 4 8 100 Q254 10K 10K DET GND SIN SIN GND SOUT CONT.A CONT.B GND +15V -V GND +V -15V +5V+5V +5V +5V +5V +5V -15V -15V +5V +5V

21、 +5V +15V +5V +15V +VCC +VCC -VCC +VCC -VCC -V +V -5V +5V -5V -15V C241 0.01 0.01 2.2 R431 800MA 250V 800MA 250V 0.01 C808 3 1 2 C226 220P C227 220P C229 220P R233 1K 100K R234 1 3 2 7 6 5 4 3 2 1 R254 DET. OFFSET VOL.DET. 2 3 LATCH SW AUTO RECOVERY FLIP- FLOP 1 0.047 C225 8VCC DRIVER RELAY 7 6 VCC

22、ONOVER LOAD DET. AC OFF MUTE 5 4 R413 100K R416 100K R415 100K 10 9 10 9 25 26 21 R438 1K R411 100K R412 100K R414 100K 20V/4 24.5V/4 1050 103 AC-L2 LGND AC-L1 AC-H2 GND AC-H1 1W R851 100 R433 3 2 1 VDVI GND 25 26 T1 R434 100 5136 8 4 8 4 +15V -15V +5V +15V +15V +V-V -15V +15V 2 31 - + 1K R256R258 1

23、0K R228 47K R227 47K 1u50 C222 + 1u50 + C221 R260 C240 100P R220 100 R226 - + R225 R224 9.1K 50K VR201D 120K 0.039 C220 C218 0.047 4.7K R221 120K VR201C 50K R223 9.1K R222 0.12 C219 R219 VR201B 50K 220K 9.1K R218 0.027 C215 C214 0.12 220K R217 R235 220K R231 5.6K -12dB -24dB + 1.5K R230 10u25 C223 1

24、K R229 R259 1K R255R257 10K 100K R232 7 6 5 C224 10u25 + 10K R252 1K 1K R251 10K R253 1 2 3 7 8 7 5 6 2 3 1 3 2 1 4 6 5 1 2 3 50K Cx4 7 6 5 1W 1W + 47u10 C878 + C877 47u10 1K R878R877 1K R871 47u25 C875 + 47u25 + C876 100u25 + C871 + C872 100u25 1K R873R874 1K 220P C873 470 R875 R876 470 C874 220P 1

25、00P R210 160K C209 0.033 R212 33K 6363 1W 1W 5W x 2 1W - + SP+ SP+ GND +- Q602,603 + R662 10K 2.2u50 C652 1K R661 R663 R614 R615 10K 4.7K 0.047 C610 10 1W R612 R613 R660 R664 470K C609 100P 100P C608 R611 0.22 + C611 1u50 2.7 R609 1/4W 1/4W R607 10 C607 10 1/4W R608 C612 0.047 + C211 0.01100P C212 C

26、210 27K R211 R213 180K C205 0.180.18 C206+ - - + 1/2W 1/2W C202 100P0.01 C201 - + R113 12K 8.2K C102 L HX XNOR REV X XH LMUSIC MOVIE BAMODE 12 VR201A 50K R216 9.1K C217 0.01 4.7K R215C213 0.047 VSS C.C C.B C.D C.A VDDSWDSWC SWB SWA 22K + C651 4.7u50 R651 R658 12K56K R655 R659 22u16 + C656 C655 47u10

27、 68K R657 R654 22K + C659 22u16 R653 22K R652 33K C660 + 2.7K 1u50 R656 47K 10000u C805 + C806 10000u 0.01 C804C803 0.01 0.01 C802C801 0.01 R610 1/4W 2.7 10 9 C631 + R632 1K + C606 100u63 R604 16K R631 8 7 6 12 13 14 1 2 3 5 4 C604 100P R602 47K C602 100P C601 10u25 + C603 100u25 100u63 11 1K R606 1

28、00P C605 R605 2.7K 10K R854 + C813 100u25 1/4W R811 1.5K + C853 2200u16 1000P R633 270 R852 4.7K 2.7K R855 R853 2.7K R801 R802 AC-L2 D GND AC-L1 AC-H2 AC-H1 + + 2200u25 C812C811 2200u25 8 7 6 5 4 3 2 1 PEAK POWER MUTE 1 2 3 2 1 3 3 2 1 1 2 3 F902 F903 123456789 MVR401 0.01 C411 3 2 3 2 1 2 3 0.1 C40

29、5 39 L401 R425 39 R426 L402 R430 1K R429 10K 40 R622 22K 22K R623 R624 100K R621 220K + C851 1u50 + R603 1K R601 + 1u50 C621 220K R625 C408 470u10 R424 560 560 R423 330 R427 R437 1K R435 270 10K R440 4.7K R432 C410 12 123 R417 100K R422 100K R421 100K R420 100K R418 100K R419 100K 38 39 40 IC404 IC4

30、41 R401 R402 R403 100K 100K 100K R408 100K R409 100K R407 100K R406 100K R405 R404 100K 100K 100K + C403 47u10 C402 0.1 0.1 C401 R443 10K C404 1000P R444 10K C443 + 2200u10 R445 10K R441 1K C442 4.7u25 + R442 4.7K 10 9 8 6 7 5 3 1 2 4 X401 4.19MHz C407 0.047 0.047 C406 TSW2(TURND) TSW1(POWER) 26 27

31、TSW4(PHASE) TSW3(SUBSD) TSW5(B.BST) 30 29 28 TIO TEST SCK INT SO 16 17 14 15 13 V O G 1234 - + R872 0.18 C208 R206 6.8K R208 270K R209 C207 270K R207 C204 100 R205C203 0.18 47K R204 VOL.UP VOL.DOWN MUTE POWER 22 24 23 NC VDD REMOTE CE 21 19 20 ILL 31 T.04 T.05 33 32 25 T.02 SUBSO T.01 35 36 37 34 T.

32、03 REV 41 VOL S.BST 39 40 38 42 VSS NOR SI S.BOOST POWER SUBSONIC ILL SP REV 18 12 10 11 8 9 6 7 X1 RESET 4 5 2 3 1 X2 + C101 33u16 R111 22K 47K R203 220K R201 R202 47K 9 8 7 5 6 4 3 2 1 1 2 3 C107 47u16 + R112 5.6K C106 22P R109 220P + - R114 12K - + C104 220P R110 5.6K 0.01 C105 R115 1K R101 4.7K

33、R103 1.2K R104 1.2K 100K R106 100K R108 R105 100K 100K R107 R102 4.7K 1 2 3 4 5 6 7 8 39 38 1K R428 R436 10K R439 4.7K + 100P C108 C103 100P 14 13 11 10 8 9 12 1 2 3 5 6 7 4 -15V -5V , BA VOLTAGE D814 CN601 A CONT. CROSSOVER SLOPE : 2SC2878AQ622 : PST600C.IC441 MTZ16B:ZD871,872 MTZJ6.8B:ZD401 MTZJ5.

34、1B:D815,ZD873,874 : MTZJ30BZD101,102 :D801 1SR139-100:D413,651-653,811-814,851 1SS133:D411,412,414-419,631,852,853 B30-1822-08:D404 B30-1821-08:D403 B30-1820-08:D401,402 D412 SW201 JK102 Q251 Q252 Q253 Q254 B CONT. CN201A W601 STAND-BY SW401 W401 SP OUTPUT D801 D413 STAND-BY GREEN D404 REV NOR PEAK

35、Q401 (BOTTOM VIEW) SPK JACK : NJM4558LIC101,201-203 : TC4066BPIC204 : uPD75004CU-076IC401 : LB1641IC402 : 78L05AIC403 : W02-3003-08IC404 : uPC1298VIC601 : uPC1237HAIC651 : NJM2072DIC851 Q251,252,401-403,405,441,631,651,851 : 2SC1815GR : 2SA1015GRQ253,254,621,652 : 2SC1846Q601 :Q602 :Q603 : 2SB1274Q8

36、71 : 2SD1913Q872 LED ON/OFF BUFFER (1/2) IC203 IC203 (2/2) (2/2) IC202 CROSSOVER FREQUENCY(REAR) ZD874ZD873 W802 ZD872ZD871 RY851 PROTECT IC WOOFER SPK1 MUTE CN804 DRIVE MUTE FINAL TR. DETECT DC PRE DRIVE IC IDLE ADJ. DRIVE RELAY LIMIT Q651 D652 Q603 Q602 D653 RY601 ON/OFF SP -15V AVR Q871 15V AVR Q

37、872 MODE SW (2/2) IC201 (1/2) IC202 AMP IC204 MODE D651 Q652 ON/OFF POWER RELAY ON/OFF Q622 D631 Q601 Q851 D853 Q631 CN803A D852 D851 CN801 CN802 D811 D812 D813 SP W801CN803B CN401A CN201B W402 CN402A VOLUME MOTOR M LAMP CONT. ON/OFF LAMP D416 D417 MOVIE MUSIC Q402 D402 D401 D403 D815 Q621 D411 Q403

38、 ZD401 VOLUME MOTOR DRIVE REMOTE SENSOR RESET 5V AVR u-COM RESET IC Q441 D415 D414 CN201C ZD101 ZD102 (2/2) IC101 (1/2) IC201 IC101 (1/2) INPUT LINE Rch Lch TO SP Q405 D419 D418 JK101 Lch SP INPUT Rch Lch Rch (FROM AMP) X X X X X X X X X X X X X X X , IN GND OUT ( ) ( ) () )( )( )( )( ( ) ) )( () ()

39、 ( )( ( ) X X X X X 210-6415-120 TRANSFORMER S1 S3 S2 S4 S5 TH F901 120V 240V 1 2 SW902A X X XF904 T1,6AL 250V USED (M,I,Y) TYPE 1 2 C903 0.047 C902 0.047 1 2 4700P C901 AC SW CN901SW901 : AC230V 50Hz : AC240V 50Hz : AC220V 50Hz 50/60Hz : AC110-120V /220-240V : AC120V 60Hz (T,E,G) (X) (C) (Y,M,I) (K

40、,P) CAUTION: For continued safety, replace safety critical components only with manufacturers recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric s

41、hock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. The DC voltage is an actual reading measured with a high impedance type voltmeter. The measurement value may vary d

42、epending on the measuring instruments used or on the product. 2SA1015GR 2SC2878A 2SB1274 2SD1913 TC4066BP NJM4558L 2SC1846 UPD75004CU-076UPC1237HA78L05ALB1641UPC1298VPST600C Note: 103SW(SW-301)/1050SW(SW-501) 103SW(K) PCB/SD 98.4.24 20:41 y W 2 1050/103SW 770 620 660 600 643 643 103SW/SW-301 633 621

43、 641 632 MVR401 642 642 603 603 640 640 611 SPK1 630 x2 612 612 601 604 601 602 602 613 613 607 Gx2 Gx2 Dx2 Mx2 Mx2 Ex2 Ex2 771 771 771 630 x2 771 782x2 M M MVR401 Dx2 Cx8 759 759 780 777 Jx6 771 773 781 Ax3 L Ax3 Ax3 Ax3 Hx2 Lx2 Nx2 Nx2 Jx2 Jx2 F F K K K K 775 774 772 776 778 779 7P (CN201A) 3P (CN

44、804) Bx2 Bx2 650 A B C C D D E F G H J K L M N 4x14(BLK) M4x16 5x25(BLK) 5x25(BLK) 3x20(BLK) 3x16(BLK) 3x8 3x6 3x8 3x10(BLK) 3x8(BLK) 3x10(BLK) 3x10(BLK) 3x8 3x8 : : : : : : : : : : : : : : : N44-4014-45 N35-4016-45 N09-3668-05(103SW) N09-3672-05(1050SW) N44-3020-45(103SW) N62-3116-45(1050SW) N09-36

45、69-05 N89-3006-46 N83-3008-46 N89-3010-45 N89-3008-45 N34-3010-45 N82-3010-45 N82-3008-46 N89-3008-46 625 625 622 1 2 ACB Parts with exploded numbers larger than 700 are not supplied. 103SW/SW-301/1050SW/SW-501 EXPLODED VIEW (UNIT) 7 103SW/SW301(K) COVER( 98.4.24 20:44 yW 6 PARTS LIST 103SW/SW-301/1

46、050SW/SW-501 8 8 New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Ref. No Add- ress New Parts Description Desti- nation Re- marks Parts No. L : ScandinaviaK : USAP : CanadaR : Mexico Y

47、: PX(Far East, Hawaii)T : EuropeE : EuropeG : Germany Y : AAFES(Europe)X : AustraliaM : Other Areas indicates safety critical components. 8 New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefe

48、rt. Ref. No Add- ress New Parts Description Desti- nation Re- marks Parts No. L : ScandinaviaK : USAP : CanadaR : Mexico Y : PX(Far East, Hawaii)T : EuropeE : EuropeG : Germany Y : AAFES(Europe)X : AustraliaM : Other Areas indicates safety critical components. E8N09-3669-05SCREW FN89-3006-46SCREW GN83-3008-46SCREW HN89-3010-45SCREW JN89-3008-45SCREW K8N34-3010-45SCREW LN82-3010-45SCREW MN82-3008-46S