Marantz-MA9S2-pwr-sch 电路图 维修手册.pdf

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1、MA-9S2 Please use this service manual with referring to the user guide ( D.F.U. ) without fail. Service Manual MA-9S2 /F N/K1G/N1G/U1G Part no. 90M339J855010 First Issue 2006.09 MZ Monaural Power Amplifi er TABLE OF CONTENTS SECTION PAGE 1. TECHNICAL SPECIFICATIONS . 1 2. CAUTION . 1 3. ALIGNMENTS .

2、 2 4. BLOCK DIAGRAM . 4 5. WIRING DIAGRAM . 5 6. SCHEMATIC DIAGRAM . 7 7. PARTS LOCATION .11 8. EXPLODED VIEW AND PARTS LIST . 23 9. ELECTRICAL PARTS LIST . 27 MA-9S2MA-9S2 METER OFF OFF ON power on/off monaural power amplifier ma-9s2 power on/off monaural power amplifier ma-9s2 BALANCEDUNBALANCED-2

3、 INPUTSELECTOR 1 RadioFans.CN 收音机爱 好者资料库 4 4. BLOCK DIAGRAM 12 3 BALANCED 1 2 I/V SPEAKER OUT 50V PROTECT UNBALANCED ATT ATT I/V I/V I/V -B -A +A +B PROTECT LOGAMP INPUT SELECTOR SOFT START 45VOUTPUT STAGE 24V + + - - + - - + DRIVE STAGE RadioFans.CN 收音机爱 好者资料库 56 P691 IDLING ADJ P681 N POWER TR (PO

4、WER DRIVER) P671 H POWER TR (POWER DRIVER) P801 POWER SUPPLY (& METER DRIVE) P951 LEVELE METER (& LED) P981 R LED P971 L LED P941 LEVEL ON/OFF SW (METER SW) P401 MODE SEL (INPUT SEL) INPUT ATT SW P501 INPUT AMP (VOLTAGE AMP.) P851 AC INPUT (SOFT START) P871 POWER SW L001 POWER TRANS L002 CHOKE COIL

5、SPK 1 SPK 2 AC IN P601 MAIN AMP (POWER BUFFER AMP.) P991 C001 C002 POSISTER J008 J009 J010 J011 J601(9P) J401(4P) J402(2P) J903(2P) J802(3P) J803(3P) J901(7P) J804(3P) J902(5P) J808(4P)J809(5P) J307(3P)J308(3P)J305(7P) J619(3P) J620(3P) J602(5P) J611(4P) J612(4P)J608(2P) J607(2P) J306(2P) J671(4P)J6

6、73(3P) J621(3P) J674(3P)J676(3P) J669(2P) J694(3P) J693(3P) J692(2P) J681(4P)J683(3P)J684(3P)J682(3P) J951(6P) J981(5P) J971(5P) W009 W008 J801(3P) P201 J502(9P) J501(5P) J205(4P) J204(5P) W010 W004 W006 W002 W033 W031(BLU) W030(BLU) W029(RED) W028(RED) J685(3P) J622(3P) J672(3P) W015 W003 W007 W007

7、 W014 W991 W026 W027 W024W022W020 W018 W016 W019 W017 W021W023W025 W034 J941(5P) J942(6P) J871(2P) J852(2P) J854(3P) J851(3P) W032 J678(1P) J679(1P) J688(1P) J689(1P) J505(1P) J807(1P) L003 L004 J203(2P)J202(2P)J201(3P) W013 W012 W011 J007 J006 J005 BALANCED UN BAL 1 UN BAL 2 INPUT J2081P) 6. WIRING

8、 DIAGRAM RadioFans.CN 收音机爱 好者资料库 87 -0.7 0.0 0.0 0.0 1.2 0.0 0.0 1.3 3.0 55.4 53.7 24.2 23.8 23.7 54.3 22.5 22.5 21.9 21.3 21.3 20.7 0 0 -55.4 -53.7 -54.3 -24.2 -23.8 -23.7 -20.7 -21.3 -21.3 -22.5 -22.5 -21.9 0 0 0 0 55.955.4 53.5 53.4 53.0 52.3 52.4 0.03 54.8 54.2 0.6 0 -0.03 -0.6 1.7 -1.7 -52.3 -5

9、2.4 51.7 -51.7 -53.0 -53.5 -53.4 -54.8 -54.2 -55.4-55.9 1.2 -1.2 0 0 48.5 0 0 -48.5 -55.9 55.9 -1.7 -0.5 1.1 48.5 1.2 0.6 000 -0.6 000 -1.2 -48.5 1 2 3 4 3 6 2 1 5 1 2 21 3 1 2 3 (JUMPER) 1 2 3 4 3 6 2 1 5 1 2 3 1 2 3 1 2 3 1 2 3 1 8 435 91012 1 2 3 1 2 3 4 3 6 2 1 5 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 4

10、3 6 2 1 5 1 2 3 (JUMPER) 1 2 1 2 3 1 8 435 91012 1 8 435 91012 1 2 1 2 3 1 2 3 HSS81 1 2 1 2 3 1 2 3 1 2 1 2 3 1234 (JUMPER) 123 1 2 3 1 2 14 7 12 11 8 10 9 121234 1234 12345 5W 5W 5W5W 5W 5W 123 5W 5W 5W5W 5W 5W 123123 12 785 4 1W 567812349 1 2 3 4 5 6 7 1231234 12 123 123 123 123 4321 4321123 123

11、1 2 3 1 2 31 2 31 2 3 1 2 3 1 2 31 2 31 2 3 123 123 123 12 1212 12123 123 123 123 123 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 123 1231234123 123 1234 1234 12345 1234 13 1 6 5 2 4 3 1 2 3 4 5 6 7 123 123 123 123 (N.C) 1 2 100K C310 0.1 1 2 (N.C) R991 5 2 1 2 3 1 2 3 1 2 3 1 2 3 6 1 2 3 1 43 1

12、 2 3 1 2 3 1 2 3 4 3 6 2 1 5 4 3 6 2 1 5 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 12 785 4 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 (JUMPER) (N.C) 13 2 31 2 (JUMPER) (JUMPER) 1 2 3 1 2 3 1 2 3 1 2 3 12

13、12 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 2 3 1 2 3 1 1 2 3 2 3 1 1 2 3 2 3 1 1 2 3 2 1 3 2 1 3 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 8 435 91012 123 123 1 2 3W 123 123 1 2 1 2 12 12 12 12 12 Q631 R210 Q506 C605 J005 J007 Q630 R334 R524 D502 R531 R519 R637

14、D504 J010 J201 C603 Q503 D611 C201 Q626 D614 J009 R520 Q516 R619 R522 J011 R529 C611 R635 W013 D613 C202 D612 D618 R658 R527 Q625 R535 R330 R514 C610 C302 L203 R624 C614 R660 Q627 Q305 R626 R511 C613 C606 R638 Q504 R518 D616 R203 C609 D302 R521 C301 C510 Q621 C203 R657 Q622 Q518 C604 R516 R528 Q623

15、Q517 R632 R333 D617 R506 R207 Q505 Q515 R628 R517 R340 R603 R525 J006 R633 R501 R342 D301 R625 R205 Q306 L201 R630 L202 C607 R532 D501 R621 R513 R504 R620 R526 D615 C506 D609 W012 Q632 R659 C608 R515 R634 D610 D503 R629 C612 Q628 R631 D305 R627 W011 Q629 R661 C509 R622 R329 R623 R530 R505 R341 C504

16、Q624 C501 R512 J202 R502 Q302 J205 C502 C503 R339 R636 R523 R503 R662 J620 J008 Q301 J203 R220R219 S201 R212R215R217R211R218R216R213R214 R538 J628 J627 R601 J630 J629J607 J611 J612 R321 R325 R314 R326 J632 J602 J631 R310 R306 R302R304 R312 R308 J622 R307 R301 R309R311 R305 R303 J621J619 L302 R361 R3

17、51 R349 C307 R354 C308 C306 R348 Q309 C305 C309R353 R355R356 R352 R359 R360 J305 J633 J634 W025 W021 J674 J673 J679J671J678 J672 Q671 R671 Q673 R673 R675 Q675 R677 Q677 R679 C671 Q672 R672 Q678 R678 R676 Q676 R674 Q674 W023 J693 W019 J691 W017 D691 R695 R693 R696 D692 J692 J694 R694 W024 J684 Q684 Q

18、683 Q686 Q685 Q682 R684 R685 R682 R681 R683 Q687 R689 C681 R687 Q681 R686 Q688 R688 W022 J683 J689 J681 J688 J682 R209 R350 W020 S201 C205 R345 R346 D203D202 R208 R536R537 J504 J642 J685 W034 J676 R692R691 C601 R323 D303 R343 R347 J306 R358 D304 R344 R316 W991 R357 D623D619D624D620D625D621D626D622 R

19、319 R315 R317 R313R318 R322 R320 R324 R206 R204 R201 R202 J208 DH04 RH05 JH01 DH03 JH01 DH01 QH03 RH03 QH02 DH02RH02 RH06 QH05 QH04 RH04 JH01 QH06 RH01 JH01 JH01 RH07 JH01 QH01 C204 Q511 Q513 Q501 Q502 Q514 Q512 Q617 Q619 Q618 Q620 D607 R611 Q603 Q601 R617 Q605 Q609 R613 R605 D601 Q611 D603 R615 R60

20、7 D605 R609 Q607 R610 D602 Q606 R614 Q610 Q612 D608 D604 Q604 Q602 R606 D606 R608 Q608 R612 R618 R616 L301 W015 W015J502J601 C505 C511 C513 R541 R543 D507 D505 R539 R547 R545 R549 R544 R548C512 R540 D506 C514 D508 R542 R550 R546 R602 R604 C602 R507 R508 R510 R509 R641R643R645 R642R644R646R648 R647R6

21、49R651R653R655 R650R652 R654R656 R640 R639 R533 R534 C508 C507 Q303 R327 Q307 R331R335 C303 R337 Q304 R328 Q308 R332R336 C304 R338 J608 W016 Q507 Q509 Q510 Q508 Q520 Q522 Q521 Q519 Q613 Q615 Q616 Q614 Q527 Q523 D509 R551 R555 Q525 Q529 D511 R553 R557 Q526 Q530 D512 R554R558 Q524 Q528 R552 R556 D510

22、Q679 Q689 J204 J501W014W014 L501 D201 J308 W027 C515 C517 C518C516 J505 J504 C311 R362 J307 W026 J677 J675 C520 C519 C615 C617 C616C618 U301 U302 U303 U304 U305 C313 C312 C314 Q501 - Q506 4.7K 680p 6.8k 1K 68k 68 100/25v (N.C) 4.7V 68k 680 1M 3.32K 470/80v 68 4.7V (N.C) 1k 3.32K 1k 22k 681 0.01 0.47

23、/63v 330 470/80v 22 330 1.54k 470/80v 680p 68 464 100k 0.01 1M 0.47/63V 680p (N.C) 1k 100/25V 464 3.32K 226K 6.8K 100 100k 120k 464 22k 46.4 226K 100k 22.6k 330 100k 10 0.01 1K 680 681 226 680 46.4 220/25v 22 0.01 464 226K 10 470/80v 226K 120k 22 680p 680 22k 330 3.32K 100 22.6k 220/25v 220P 1.54k 1

24、00k 220P 220/25v 22K 68 226 22 6.81k6.81k6.81k3.83k3.32k6.81k3.32k3.83k5.62k5.62k 1M 22.6k 1k 2.2k 1K 2.2k 0.1 0.1 0.10.1 0.1 0.1 0.1 0.1 0.10.1 0.1 0.1 22 220k 47k 0.1 33k 47/25V 0.01 47k 47/25V 0.47/50V68k 3.3K8.2K 10k 68.1k 68.1k 47 10 10 10 2201/4W 0.01 47 10 10 10 4.7K 2.2K 4.7K 2.2K 10 10 47 4

25、7 10 220 1/4w 0.01 10 10 10 6.8K 100K 0.1 68.1k 68.1k 6.8K 1001M 2.2k2.2k 1K 22.6k 22K 22.6k 1K (N.C)(N.C)(N.C)(N.C) 1K 1k 1k 1k1K 1K 1K 1K (JP) (JP) (JP) (JP) 22 -OUT +B 22 470 22 22 -B 470 +OUT + 68K - 220p 10 22.6 10 100k 22.6 560 560 560 10 100k 560 10 22.6 22.6 220/25v 100/25v 100/25v 4.7 150 4

26、.7 1k 150 1k 150 1k 100/25v 4.7 100/25v 4.7 1k 150 22.6k 4.7k 4.7k 150 150 121121100 121121100100 100100100100100 100100 100100 100k 100k 22/25v 22/25v 2.2k 22k6.8K 0.47/63V 47k 2.2k 22k6.8k 0.47/63v 47k 1k 47k 1k 47k 1k47k 1k 47k 0.01 0.01 0.010.01 - 0.03910 22/25v 22/25v (N.C) (N.C) (N.C)(N.C) 0.1

27、 0.1 0.1 HDAM-SA HDAM-SA + - HDAM-SA HDAM-SA + - + - HDAM-SA HDAM-SA + - BALANCED UNBALANCED 2 1 -2 -1 WG339J502- SPK-1 SPK-2 WG339J601- WG339J501- TO C002 TO C001 WG339J603- WG339J605- TO J682 WG339J602- TO C002TO C001 FROM J694 P201 (APA) P501 (APA) P691(AMA) P671(AMA) W029 +48V -48V W031 P601(AMA

28、 ) W018 W028 FROM J809 W030 P681(AMA) FROM J401 (APR) FROM J901 ADJ-1 ADJ-2 HOT COLD -30V RELAY +24V GND -24V P991 WG339J606- W018 W034 W010 W006 +55V +55V -55V -55V 0V W007 -48V+48V +55V +55V -55V -55V C H GND +55V C GND H -55V -24V UNBAL-2 UNBAL-1 BAL PTH487 BIAS TP BIAS TP BIAS ADJBIAS ADJ HDAM-S

29、A WA339J701- PH01 + + - - -55V +55V NF NFNF NF F N U K L 2SA13582SC3421 LT3K44B LT3K44B LT3K44B 2SA1360 2SA970 LT3K44B HSS81 2SA1360 2SC3423 2SA970 HSS81 HSS81 2SA970 2SA970 2SC2240 2SC2240 2SC2240 HSS81 2SA970 HSS81 2SA970 LT3K44B HSS81 LT3K44B 2SA1358 LT3K44B LT3K44B 2SC3423 2SC3421 2SC2240 2SC224

30、0 2SC2240 TA7317P 2SC4883 2SC29222SC29222SC2922 2SA1859 2SA12162SA12162SA1216 HSS81HSS81 2SA1216 2SC2922 2SA1216 2SC2922 2SA1859 2SC2922 2SC4883 2SA1216 1SS1761SS176 HSS81 HSS81 (N.C)(N.C)(N.C)(N.C) 1SS176 1SS176 1SS176 2SA970 2SC2240 1SS176 2SC2240 2SC2240 2SA970 2SA970 2SA970 2SC2240 2SC2240 2SA97

31、0 2SA970 2SC2240 2SA970 2SC2240 HSS81 2SC2240 2SA970 2SA970 2SC2240 HSS81 2SA970 HSS81 HSS81 2SC2240 HSS81 2SA970 2SC2240 2SA970 HSS81 HSS81 2SC2240 2SA970 HSS81 2SC2240 24V 24V 24V24V 2SA970 2SC2240 2SA970 2SC2240 2SA970 2SC2240 2SC2240 2SA970 2SA970 2SC2240 2SC2240 2SA970 2SA970 2SC2240 2SC2240 2S

32、A970 2SA970 2SC4883 1SS176 2SA1859 2SC2240 1SS176 2SA1859 2SC2240 1SS176 2SC4883 2SA970 1SS176 2SD1508 2SD1508 1SS176 A-GND A-GND DC Offset ADJ DC Offset ADJ 7. SCHEMATIC DIAGRAM 910 23.0 14.60.7 24.1 48.5 -48.5 32.5 -32.5 -24.2 -22.5 24.2 22.521.7 0.0 0.0 -20.0 -23.0 -20.0 -23.0 34.7V 0V 34.7V 58.7

33、V 0V 58.7V 24.7V 0V 24.7V 22.3 21.6 22.3 22.3 0 0 0.6 0.6 0.1 19.4 0 -23.0 55.9 -55.9 31.5 30.9 23.1 -23.1 -30.9 -31.5 1.9 -21.7 -23.2 22.6 -32.0 1234 1 2 3 4 5 6 7 2 31 63V63V 1 3 2 12 1 2 3 4 4 5 63 2 1 12 13 2 12 1 23 5 12 12 34 11EQS10 (N.C) 11EQS10 (N.C) 1 2 7W 1 2 1/4W 1 2 3 7 5 6 8 7 5 6 8 35

34、 4 62 1 1 3 2 4 1 3 2 4 1 3 2 4 1 2 3 4 1 2 3 4 5 1 2 3 4 5 5 4 3 2 1 1W 12 12 1 2 3 4 1 2 1 2 3 1 2 1234 7 6 5 8 1 2 3 4 5 6 7 21 123 123 16 7 12 11 8 10 9 15 13 6 1 2 5 3 4 14 J904 1 2 J943 1 2 1W (JUMPER) 1/2W 5 23 1 (N.C) (JUMPER) (JUMPER) 1W Q851 2SD1862 2 3 1 L851 1 132 314 11 (N.C) (N.C) (N.C

35、) 1 2 1 2 1 2 1 2 7 5 6 8 1 8 435 91012 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 14 15 16 11 12 13 17 18 19 20 2 6 1 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 4700/80v 4700/80v 1000/50V 220/25v 1000/50V 1/50v 220/

36、25v 220/25v220/25v 1k1k 3300033000 4.7 4.7 4.7 0.01 4.7k 0.1 2.27w 0.01 11/2W 1 1/2W 2.2 1 1 1/4W 22 22 220/25v 220/25v 1K 10K 10/25V 10K 1K 2.2K 100P 1K 2.2K 100P 10K 10K 100K 6.8K 10/25V 10K 10K 10K 10K10K 22k 10K 22K680150 (N.C) 47 0.1 2.2K 2.2K 0.1 3.9K 22k 1K 1K 1K 150150 220/35v 47/35v 22K 3.9

37、K6.8 0.47 6.8 0.47 6.8 0.47 6.8 0.47 2.2k 3W 2.2k 3W 1 22 0.47 6.8 3.3k 1K 10/50V 220/35V 4.7K 0.01 10/25V 10/25V 10/25V 1 1/50V - - - - 3.3k1/4W 10/25V 10/25V 100k 100k 10k 10k 22k 22k 680 1k33k33k1k - - 3.3k 1/4W3.3k 1/4W 6.8 0.47 100P100P C801 C802 J808 J901 D814 C803 C805 C804 C809 C806 D821D822

38、 C807C808 R809R810 D801 C001C002 Q801 R811 R812 Q802 D820D819 R813 J001 C871 J401 S941 R953 D951 M951 C955 D802 J871 R851 C851 L852 W001 L002 D813 D811 D812 D817D818D815D816 D808D807 D805D806D803D804 D809D810 R804 R803 D852 D854 D851 D853 J402 R852 J903 R808 J802 R807 R926 R927 C909 C908 Q903 R915 R

39、914 C903 D902 D901 R912 R911 Q904 R916 C904 R918 Q905 R919 Q904 C905 R910 Q902 R908 R920 R921 C906 R906 Q901 R907 R905 R904R903 R901 Q903 R922 D904 R923 D905 R924 D906D907 R925 D908 C907 R928 J809 J981 J971 D981 C981 R981 R971 D971 C971 R951 W002 R902 W004 R931 R913 Q902 R909 J852 R815R816 J804 W033

40、 J858J857 F851 C853 C854 S871 S401 R917 R952 R941 G802 G801 G803 G804 R801R802 R817 L853 D856 D858 D857 R853 G851 D859 R854 R856 C856 C855 R855 C852 C952 C953 C954 R857 D860 D861 C951 D903 D855 J811 J822 J807 J810 D823 D825D826 D824 Q901 L901 W009 J941 W009 J951 J942 W008 W008 J902 Q951 Q953 Q952 Q9

41、54 R954 C957 C956 R956 R957 R961 R958 R960 R959 R955 Q803 Q804 D827 R819R821R822R820 D828 J859 L001 J803 J801 J854 R823R824 J851 U863 U864 U865 U866 U862 G805 C911C910 S401 2/2 2/2 1/2 1/21/2 1/2 + - 2/2 2/2 + - AC UNBAL2 UNBAL1 BALANCE WG399J503- WG399J505- WG399J506- +55V -55V -24V GND +24V -30V R

42、ELAY -24V +24V TO J305 TO J905 WG399J504- WG399J604- P941 W007 W006 +- P981 WG339J509- WG339J508- P971 P951WG339J507- P801 P851 W003 P871 P401 TO J205 W010 (APA) (APS) (APS) TO J623/J624 TO J625/626 W028/W029 W030/W031 W032 (APS) (APM) (APM) (APM) (APM) (APM) +24V -24V +24V -24V F,U T15A L250V HOT C

43、OLD METER GND -24V +24V METER GND -24V +24V GND METER ON +24V -24V ON METER GND GND -55V +55V METER ADJ C001/C002 TO GND METER OFF SW INPUT SELECTOR OFF ON RELAY RELAY RED WHT BLK YEL N,K T6.3V L250V HOTCOLD F N U K L 11EQS10 24V24V KCH30A15 2SD1415 2SB102011EQS1011EQS10 GND SELU1E50CM-S KRH30A15 11

44、EQS10 11EQS10 11EQS10 11EQS10 11EQS1011EQS10 11EQS10 21DQ1021DQ10 21DQ1021DQ1021DQ1021DQ10 21DQ1021DQ10 NJM2114D 1SS176 1SS176 NJM2114D HN1C03F NJM2114D NJM2114D NJM2114D NJM2147D 1SS176 1SS176 1SS1761SS176 1SS176 SELU1E50CM-S SELU1E50CM-S NJM2114D HSS81 GND LT3K44B 21DQ10 21DQ1021DQ10 21DQ10 NJM2114D - 2SC2240 2SA970 2SC2240 2SC2240 2SA970 2SC2240 1SS1761SS176 GND GND GND