Technics-SEA-3000-Schematics电路原理图.pdf

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1、B2 (-B3) +B2 (+B3) +B1 + +B1 M5219P IC301 DIFFERENTIALAMP ()IC302 1 3 2 48 Floating power supply ICQ adj. Pre drive Pre drive Q301,303, Q305,307 (Q302,304, Q306,308) Q353 (Q354) Q351 (Q352) Q355 (Q356) Q357,361 (Q358,362) Q359,363 (Q363,364) Driver Driver BA6138 IC501 METER DRIVE AMP CLASS AA BRIDGE

2、 6 (4) 8(2) 7(3) 59 Rect. 1/2 Square compresser M5218AP IC502 BUFFER AMP(METER) POWER METER D507 (D508) D503 (D504) 48 1 (7) 3(5) 2(6) VR501 (VR502) (METER ADJ.) RL653 RL651 RL652 Power supply Q651 D625 D624 B SPEAKERS A HEADPHONES R ch B1 -B1 +B1 D615 D617 D614 D609 D608 D611 S603 (B) S604 (A+B) S6

3、02 (A) S601 (OFF) D610 D613 D612 1 2 3 14 7 5 6 4 10 8 9 12 13 11 D616 D607 D604 D603 D605 D606 D619 (A) D627 D601 D602 D628 D620 (B) D629 D618 (A+B) Q602 RELAY DRIVE Q601 RELAY DRIVE Q603 LED DRIVE Q604 LED DRIVE MN400IB IC601 SPEAKER SELECTOR Switching Q503 +B1 D626, 640, 641 Notes Signal line: So

4、urce signal () indicates pin No. Right channel. WARNING: DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER E, BY THE EARTH SYMBOL OR COLOURED GREEN OR GREEN/YELLOW. THIS PLUG IS NOT WATERPROOFKEEP DRY. Before use Remove the connector cover. How to replace the fuse The

5、location of the fuse differ according to the type of AC mains plug (figures A and B). Confirm the AC mains plug fitted and follow the instructions below. Illustrations may differ from actual AC mains plug. (For United Kingdom) (“EB” area code model only) For your safety, please read the following te

6、xt carefully. This appliance is supplied with a moulded three pin mains plug for your safety and convenience. A 5-ampere fuse is fitted in this plug. Should the fuse need to be replaced please ensure that the replacement fuse has a rating of 5-ampere and that it is approved by ASTA or BSI to BS1362.

7、 Check for the ASTA mark or the BSI mark on the body of the fuse. If the plug contains a removable fuse cover you must ensure that it is refitted when the fuse is replaced. If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be pur

8、chased from your local dealer. CAUTION! IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY. THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED INTO ANY 13-AMPERE SOCKET. If

9、a new plug is to be fitted please observe the wiring code as shown below. If in any doubt please consult a qualified electrician. IMPORTANT The wires in this mains lead are coloured in accordance with the following code: Blue: Neutral, Brown: Live. As these colours may not correspond with the colour

10、ed markings identifying the terminals in your plug, proceed as follows: The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Black or Blue. The wire which is coloured Brown must be connected to the terminal which is marked with the letter L

11、or coloured Brown or Red. 1. Open the fuse cover with a screwdriver. 2. Replace the fuse and close or attach the fuse cover. Figure A Figure B Fuse cover Fuse (5 ampere) Figure A Figure B Fuse (5 ampere) Right speaker (not included) Left speaker (not included) “A” terminals “B” terminals Right speak

12、er (not included) Left speaker (not included) A Right speaker (not included) Left speaker (not included) SE-A3000SE-A3000 SU-C3000 B Right speaker (not included) Left speaker (not included) SE-A3000SE-A3000 SU-C3000 B A 2 1 Headhones (not included) Power meter light switch ABCDEF 1 2 3 4 5 6 7 8 SPE

13、AKER TERMINAL(L) P.C.B. O C653 C651 C655 C657 W655-2W651-1 ( B ) W651-2W655-1 L653 L651 ( A ) SPEAKERS (Lch) JK651 (REP1615D-M) C704 C703C701 C702 CAPACITOR P.C.B. M (REP2720A-P) W701-2 W701-1 W701-3 W702-2 W702-1 W702-3 312 CP191A VR192 R191 R192 R193 R194 R195 R196 J J C191C192C193C194 L191 L193 L

14、194 L192 JK101 VR191 INPUT TERMINAL P.C.B. A (REP2720A-P) DIRECTNORMAL LEVEL CONTROL (R)(L) L R E L R E L651 L653 W651-1 W651-2 W655-1 W655-2 JK651 C651 C653 C655 C657 SPEAKER TERMINAL(L) P.C.B.O W701-1 W701-2 W701-3 W702-1 W702-2 W702-3 C701 C702 C703 C704 CAPACITOR P.C.B.M INPUT TERMINAL P.C.B.A E

15、LECTRICAL PARTS LOCATION Ref. No.Lo. No.Ref. No.Lo. No. VR191 VR192 L191 L192 L193 L194 CP191A JK101 R191 R192 R193 R194 R195 R196 C191 C192 C193 C194 3B 3D 3D 3C 3C 3D 2C 2C 2D 2B 2D 5D 5D 5D 5B 5B 5B 5C 5B 4C 4B 8D 8C 7A 7B 7B 7B 8B 7B 7A 7A 7B 7B 8B 8B 7A 7B 7B 7B ABCDEF 1 2 3 4 5 6 7 8 C610 R624

16、 R622 J R623 J J J R617 J J R621 2 1 213 4 CP501 W604 B C EQ601 B C EQ602 B C EQ603 B C EQ604 D624 D641 D640 D601 D612 D608 D613 D610 D611 D609 D615 D614 D602 D606 D605 D626 D625 D623 D627 D628 D629D617 D603 D604 D616 D607 4 3 2 1 CP603 5 4 3 2 1 CP551 10 9 8 7 6 5 4 3 2 1 CP601 2 1 CP502 213 4 W505

17、 R601 R602 R604 R603 J J J J R606 R620 R613 R612 R619 R609 R608 R605 R611 R610 R607 R616 C601 D619 (A) D620 (B) D618 (A+B) (SPEAKERS) C602 C604 C603 213 4 5 CP602 1 2 3 4 5 6 7 14 13 12 11 10 9 8 IC601 SPEAKER SELECT LOGIC P.C.B. H (REP1616D-S) PL516PL514PL512PL510PL508PL506PL504PL502 JW505-3 W505-4

18、 LAMP(B) P.C.B. C (REP1616D-S) J W505-1 PL515PL513PL511PL509PL507PL505PL503PL501 W505-2 LAMP(A) P.C.B. B (REP1616D-S) SPEAKER SELECT LOGIC P.C.B.H LAMP(B) P.C.B.C LAMP(A) P.C.B.B ELECTRICAL PARTS LOCATION Ref. No.Lo. No.Ref. No.Lo. No. IC601 Q601 Q602 Q603 Q604 D601 D602 D603 D604 D605 D606 D607 D60

19、8 D609 D610 D611 D612 D613 D614 D615 D616 D617 D618 D619 D620 D623 D624 D625 D626 D627 D628 D629 D640 D641 CP501 CP502 CP551 CP601 CP602 CP603 W505 W604 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R616 R617 R619 R620 R621 R622 R623 R624 C601 C602 C603 C604 C610 PL502 PL504 PL506

20、 PL508 PL510 PL501 PL503 PL505 PL507 PL509 PL512 PL514 PL516 W505-3 W505-4 PL511 PL513 PL515 W505-1 W505-2 6A 6A 7A 7A 8A 6A 6B 8A 8A 6B 6B 8B 7B 7B 7B 7B 7B 7B 7B 7B 8B 7B 7A 6A 7A 2B 5B 5B 6A 7A 7A 7A 6A 5A 2B 5B 3B 4B 8B 3B 8A 1A 6B 6B 5B 6B 8B 6B 7A 8B 7A 8A 8B 7A 7A 7A 7A 7A 7A 2B 1B 2B 1A 6B 6

21、B 6B 6B 5A 2C 3C 3C 4C 5C 2D 3D 4D 4D 5D 6C 7C 7C 2C 2C 6D 7D 8D 8D 8D ABCDEF 1 2 3 4 5 6 7 8 4 3 2 1 W551 S551 (METER LIGHT) OFFON C551 C552 LIGHT SW P.C.B. E (REP2720A-P) 213 CP303 CP201 45 C253 C255 C307 C321 C301 C251 321 213 CP301 45678 R277 J J J J J J J J J R263 R311 R323 R309 R305 R307 R301

22、R321 R319 J R317 R327 R303 R315 R313 R329 R267 R269 R275 R261 R265 J J J J J R253 R255 R273 R271 R257 R325 J J TH251 C257 C309 C313 C311 C259 C305 C303 C319 C317 VR251 VR301 D263 D255 D253 D265 D261 D257 D267 D307 D305 D259 D301 C315 D303 B C E Q261 B C EQ257 B C E Q259 B C E Q255 B C E Q253 G D S Q

23、263 G D S Q265 4321 5678 IC301 TP251 423 5 6 4 3 2 1 1 TP301 B C E Q307 B C E Q303 B C E Q305 B C E Q301 VOLTAGE CONTROL AMP(L) P.C.B. I (REP1615D-M) 1 2 3 4 W604 D622 (CURRENT DRIVE) D621 (VOLTAGE CONTROL) (AMPLIFIER OPERATION MOTOR) LED P.C.B. G (REP1616D-S) D621 IC301 Q253 Q255 Q257 Q259 Q261 Q26

24、3 Q265 Q301 Q303 Q305 R255 R257 R261 R263 R265 R267 R269 R271 R273 R275 R277 S551 D305 D307 VR251 VR301 TH251 CP201 CP301 CP303 TP251 TP301 R253 R323 R325 R327 R329 C251 C253 C255 C257 C259 C301 C303 Q307 D253 D255 D257 D259 D261 D263 D265 D267 D301 D303 C305 C307 C309 C311 C313 C315 C317 C319 C321

25、R301 R303 R305 R307 R309 R311 R313 R315 R317 R319 R321 LED P.C.B.G LIGHT SW P.C.B.E VOLTAGE CONTROL AMP(L) P.C.B.I ELECTRICAL PARTS LOCATION Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No. W551C551C552 5B 5B 5C 4C 5C 4C 5C 5B 5B 5C 4C 3D 4F 4

26、D 5D 5C 4C 5C 5D 4C 4D 4D 4D 4D 5E 5E 4E 4E 4B 4B 4D 4D 4D 3D 4D 3D 4D 5D 5D 4E 4E 4E 2E D6221C 5D 5C 5D 4C 5C 4C 5C 5C 5E 5E 4E 2E 4E 5D 5C 5C 4C 5C 4C 5C 4C 5E 5E 2F 1BW604 4E 4E 5B 6E 5B 5F 3E 3B 5B 6F 5B 2E 1A ABCDEF 1 2 3 4 5 6 7 8 J R523 R531 R532 R511 J J J J J J R512 R530 R507 R508 R515 R513

27、 R516 R520 R529 R521 R519 R517 R518 R527 R526 R525 R524 J R528 J 8765 12 987654321 34 IC502 IC501 C510 D501 D507 D502 D503 D504 B C E B C E C509 W202 5 4 2 3 1 6 W201 5 4 2 3 1 6 W601 9 8 6 4 3 2 1 7 5 10 W403 9 8 6 4 3 2 1 7 5 11 10 Q503 Q451B C E Q207 B C E Q205 B C E Q209 B C E Q203 B C E Q201 D5

28、08 TH501 TH502 18171610 123 15 4 14 5 13 6 12 7 11 89 IC201 18171610 123 15 4 14 5 13 6 12 7 11 89 IC202 987654321 IC451 D505 D506 D453 D452 D207 D451 C505 C506 C455 C451 C453 C225 C219C217 C454 C508 R506 C504 R505 R503 R457 R454 R455 R456 J R451 R452 R501 R502 R504 C503 C502 C452 R221 R219 R215 R21

29、3 R211 R225 R223 R229 R209 R205 R203 R227 R207 J J R217 C229 C221 D208 C226 R222 R220 R216 J J R218 C230 C222 C231 C227 C213 C207 B C E Q210 C218 R214 R212 R226 R224 R230 R228 R208 C232 C228 C208 C215 B C E Q208 B C E Q206 B C E Q204 B C E Q202 C220 R210 R206 R204 C214 C216 C501 MAIN P.C.B. D (REP16

30、16D-S) J 1 2 3 4 5 CN602 (OFF) (SPEAKERS) (A)(B)(A+B) S601S602S603S604 SPEAKER SW P.C.B. F (REP1616D-S) GHIJKL J B C E Q207 B C E Q205 B C E Q209 B C E Q203 B C E Q201 18171610 123 15 4 14 5 13 6 12 7 11 89 IC201 18171610 123 15 4 14 5 13 6 12 7 11 89 IC202 D207 C225 C205 C219C217 R221 R219 R215 R21

31、3 R211 R225 R223 R229 R209 R205 R203 R510R509 J J J R227 R207 J J J J J J R217 C229 C221 D208 C226 R222 R220 R216 J J R218 C230 C222 C231 C227 C213 C207 C209 B C E Q210 C206 C202 C218 R214 R212 R226 R224 R230 R228 R208 R202 R104 C201 R201 R103 J J J J J C232 C228 C208 C210 C223 C203 C215 B C E Q208

32、B C E Q206 B C E Q204 B C E Q202 C220 R210 R206 R204 C214 C224 C204 C216 CP191B 2 3 1 VR502 VR501 E101 S601 MAIN P.C.B.D SEAKER SW P.C.B.F ELECTRICAL PARTS LOCATION Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No. IC201 IC202 IC451 IC501 IC502

33、 Q201 Q202 Q203 Q204 Q205 Q206 Q207 Q208 Q209 Q210 Q451 Q503 D207 D208 D451 D452 D453 4G 2G 4D 2D 2B 4F 2F 4F 2F 4E 2E 4E 2E 4E 2E 4C 3B 4F 3F 3C 4C 4C D501 D502 D503 D504 D505 D506 D507 D508 VR501 VR502 TH501 TH502 CP191B W201 W202 W403 W601 E101 R103 R104 R201 R202 3B 3B 3B 2B 3C 3C 3B 2B 4J 4J 2B

34、 2C 2L 4A 1A 3A 2A 4L 2K 2J 2J 2I R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 4H 2H 4H 2H 4H 2H 4G 2G 4F 2F 4F 2F 4E 3E 4F 3F 4E 3E 4E 3E 4G 2G R225 R226 R227 R228 R229 R230 R451 R452 R454 R455 R456 R457 R501 R502 R503 R504 R505 R506

35、R507 R508 R509 R510 4F 2F 4G 2H 4G 2G 3D 3D 4D 4D 4C 3D 3D 3D 3D 3C 3D 3C 2C 2C 4J 4J R511 R512 R513 R515 R516 R517 R518 R519 R520 R521 R523 R524 R525 R526 R527 R528 R529 R530 R531 R532 C201 C202 3C 3C 2C 2C 3A 3B 3B 3B 3B 3B 3B 2C 2C 2C 3C 3C 3B 2B 2C 2C 2J 2I C203 C204 C205 C206 C207 C208 C209 C21

36、0 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 C227 C228 C229 C230 C231 C232 C451 C452 C453 C454 C455 C501 C502 C503 C504 C505 C506 C508 C509 C510 4H 2H 4H 2H 4H 2H 4H 2H 4G 2H 4H 2H 4E 2E 4E 2E 4F 3F 4H 2H 4F 3F 4F 2F 4E 3E 4E 2E 4D 4D 4D 4D 3C 3D 3D 3D 3D 3C 3C 4B 3B 3B S6

37、02S6037D7D7C S604CN6027B7B ABCDEF 1 2 3 4 5 6 7 8 453 CP304 CP202 21 C302 C322 C252 C256 C308 C254 123 786 CP302 54321 R270 J J J J J J J R264 R268 R278 R326 J R318R320 J R322 R304 R328 R302 R308 R306 R310 R324 R276 R316 R330 R314 R312 R262 R266 J J R258 R272 R274 R256 R254 J TH252 C258 C314 C260 C3

38、04 C306 C320 C318 VR252 VR302 D254 D256 D266 D262 D258 D268 D264 D306D308 D260 D302 C310C312 B C E Q262 B C E Q258 B C E Q260 B C E Q256 B C E Q254 G D S Q264 G D S Q266 4321 5678 IC302 TP252 132 2 1 3 4 5 6 4 TP302 B C E Q306 C316 D304 B C E Q308 B C E Q302 B C E Q304 VOLTAGE CONTROL AMP(R) P.C.B.

39、J (REP1615D-M) C654 C652 C656 C658 W656-2W652-2 ( B ) W652-1W656-1 L654 L652 ( A ) SPEAKERS (Rch) JK652 SPEAKER TERMINAL(R) P.C.B. P (REP1615D-M) VOLTAGE CONTROL AMP(R) P.C.B.J SPEAKER TERMINAL(R) P.C.B.P ELECTRICAL PARTS LOCATION Ref. No.Lo. No.Ref. No.Lo. No. IC302 Q254 Q256 Q258 Q260 Q262 Q264 Q2

40、66 Q302 Q304 Q306 Q308 D254 D256 D258 D260 D262 D264 D266 D268 D302 D304 D306 D308 VR252 VR302 TH252 CP202 CP302 CP304 TP252 TP302 R254 R256 R258 R262 R264 R266 R268 R270 R272 R274 R276 R278 R302 R304 R306 R308 R310 R312 R314 R316 R318 R320 R322 R324 R326 R328 R330 C252 C254 C256 C258 C260 C302 C304

41、 C306 C308 C310 C312 C314 C316 C318 C320 C322 2D 2C 3C 2D 2C 2D 2C 2C 2E 2E 3E 3E 3C 2D 2C 2C 3C 2C 3C 2C 2E 2E 3E 3E 2B 1E 2B 2E 4E 4B 1B 1F 2B 2B 2B 3C 2C 3C 2C 2D 2B 2B 2C 1C 3D 3D 3D 3D 4D 3D 2D 2D 3E 3E 3E 4D 3F 3D 2D 3C 1D 2C 3C 2C 3D 3D 3D 3D 2E 2E 2E 2E 3B 3B 3D L652 L654 W652-1 W652-2 W656-

42、1 W656-2 JK652 C652 C654 C656 C658 7D 7B 7C 7B 7C 7B 6C 7C 6B 6D 6B ABCDEF 1 2 3 4 5 6 7 8 213 CN303 45 2 2 1 CP703 E701 3 W401 31 C717 C359 C357 C351 C355 C353 C715 C713 2 CP701 13 1 2 CP655 213 CN301 45678 R703 R375 R359 R363 R397 R357 R355 R365 R361 R371 R367 R369 R373 J R383 R381 R379 R377 J R70

43、1 R405 J R353 R351 R401J J J J J J J J J J J D705 D707 D701 D703 TH351 W351-1W351-2 C707C705 C719 L351 D401 R403 B C E Q401 E C B Q351 E C B Q353 E C B Q355 Q363 CURRENT DRIVE AMP(L) P.C.B. K (REP1615D-M) ECB Q359 ECB Q357 ECB Q361 ECB 213 CN304 45 2 2 1 CP704 E702 3 W402 13 C718 C360 C358 C352 C354

44、 C356 C716 C714 2 CP702 13 1 2 CP656 213 CN302 45678 R702 R366 R376 R360 R398 R358 R356 R364 R362 R374 J R370 R372 R368 J R384 R382 R380 R378 R704 R406 R354 R352 R404R402J JJ J J J J J J D702 D704 D706 D708 TH352 W352-2W352-1 C708C706 C720 L352 D402 B C E Q402 E C B Q352 ECB E C BQ354 E C B Q356 Q36

45、2 ECB Q358 ECB Q360 ECB Q364 CURRENT DRIVE AMP(R) P.C.B. L (REP1615D-M) Q351 Q353 Q355 Q357 Q359 Q361 Q363 1F 2D 2D 1C 1D 1B 1E R373 R375 R377 R379 R381 R383 R397 Q352 Q354 Q356 Q358 Q360 Q362 Q364 4B 5C 5C 4C 4D 4B 4E R374 R376 R378 R380 R382 R384 R398 2E 2B 3E 3E 3E 3F 1D 5E 5E 6A 6B 6B 6B 4C W351

46、-2 W401 E701 R351 R353 R355 R357 C355 C357 C359 C705 C707 C713 C715 L351 CN301 CN303 CP655 CP701 CP703 W351-1 R359 R361 R363 R365 R367 R369 R371 R401 R403 R405 R701 R703 C351 C353 C717 C719 Q401 D401 D701 D703 D705 D707 TH351 Q402 D402 D702 D704 D706 D708 TH352 3F 3F 3B 3B 3B 3B 2F 6A 6A 6E 6E 6E 6E

47、 5B L352 CN302 CN304 CP656 CP702 CP704 W352-1 3D 2E 2B 3D 3C 3B 3E 6C 5B 5E 6C 6D 6F 6C W352-2 W402 E702 R352 R354 R356 R358 3E 3A 3A 2F 2F 3E 3E 6B 6F 6F 5B 5B 6B 6C R360 R362 R364 R366 R368 R370 R372 1C 1E 1C 2E 2C 2D 2B 4C 5D 5B 4E 5C 5D 5B R402 R404 R406 R702 R704 C352 C354 C356 C358 C360 C706 C

48、708 C714 C716 C718 C720 3E 2B 2B 3C 3D 3B 3A 3F 3F 3B 2C 3B 2E 3D 3B 3A 6A 6A 7E 6E 5D 5A 6B 6C 5E 5E 6C 6D 6F 6F 6F 7F CURRENT DRIVE AMP(L) P.C.B.K CURRENT DRIVE AMP(R) P.C.B.L ELECTRICAL PARTS LOCATION Ref. No.Lo. No. Ref. No.Lo. No. Ref. No.Lo. No. Ref. No.Lo. No. Ref. No.Lo. No. Ref. No.Lo. No.R

49、ef. No.Lo. No. Ref. No.Lo. No.Ref. No.Lo. No. ABCDEF 1 2 3 4 5 6 7 8 C363 C361 C362 C364 42 2 1 3 3 CP406 CP402 1423 W603 1423 CP405 1119876 6 5 2 1 4 3 543210 CP403 RL653 123 W653 1 R752 R386 R388 R394 R390 R392 R657 R658 R660 R659 R391 R389 R387 R385 R393 J R656 R655 J J R453 R661 R651 R751 J J J J C751 C752 D653 D752 D753 D652 D651 D754 D751 B C E Q651 2 1 3 CP401 2 1 CP352 2 1 CP351 2 6 RL652 5 21 43 1 CP652 2 1 CP651 L354 L353 6 RL651 5 21 43 RELAY P.C.B. N (REP1615D-M) 321 CP2 321 CP4 321 CP3 W1-1 L1 W1-2 FC3FC1 F1 T2A FC4FC2 F2 T2A FUSE P.C.B. Q (REP2720A-P) 1 2 321 3