Technics-SEA3000-pwr-sch 电路图 维修手册.pdf
《Technics-SEA3000-pwr-sch 电路图 维修手册.pdf》由会员分享,可在线阅读,更多相关《Technics-SEA3000-pwr-sch 电路图 维修手册.pdf(17页珍藏版)》请在收音机爱好者资料库上搜索。
1、B2 (-B3) +B B2(L ch) +B2(L ch) B1 +B2 (+B3) + + B1 +B1 DIRECT(NORMAL) INPUT GND Regulator Over load det. MutingDC det. AC det. Over load det. 975 8 1 43 F1 T1(L ch) AC IN S1 (POWER) D751-754 D701,703,705,707 F2 T2(R ch) D702,704,706,708 Q451 Relay drive D622 (CURRENT DRIVE) Q401(Q402) Current mirror
2、 Cascade Q203 (Q204) D255 (D256) Current stabilizer BiasMuting Cascade 7465 3 2 16 17 10 18 1 9 8 11 12151314 Q201 (Q202) Current mirror AN7062N IC201 VOLTAGE AMP ()IC202 D451 Q255(Q256) Q259,263 (Q260,264) Q253 (Q254) D253 (D254) MOS class AA amp. Limitter ICQ adj. MOS class AA amp. Q261,265 (Q262,
3、266) Q257(Q258) Limiter B1 +B1 D621 (VOLTAGE CONTROL) D623 VR191 (LEVEL CONTROL) B2 (-B3) +B2 (+B3) 2 AN7073 IC451 MUTING/PROTECTION L1 PL501,503,505, PL507,509,511, PL513,515 PL502,504,506, PL508,510,512, PL514,516 S551 (METER LIGHT) B3(R ch) +B3(R ch) NFB Pre drive Q205,207 (Q206,208) RadioFans.CN
4、 收音机爱 好者资料库 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 CLA
5、SS AA BRIDGE 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) S
6、604 (A+B) S602 (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 Sig
7、nal line: Source signal () indicates pin No. Right channel. RadioFans.CN 收音机爱 好者资料库 ABCDEF 1 2 3 4 5 6 7 8 SPEAKER 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
8、-1 W701-3 W702-2 W702-1 W702-3 312 CP191A VR192 R191 R192 R193 R194 R195 R196 J J C191C192C193C194 L191 L193 L194 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.
9、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 ELECTRICAL 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
10、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 RadioFans.CN 收音机爱 好者资料库 ABCDEF 1 2 3 4 5 6 7 8 C610 R624 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 D6
11、05 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 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
12、 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 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 LAM
13、P(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 D608 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 R60
14、3 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 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
15、 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 6B 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 (REP27
16、20A-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 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 VR25
17、1 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 Q263 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 D62
18、2 (CURRENT DRIVE) D621 (VOLTAGE CONTROL) (AMPLIFIER OPERATION MOTOR) LED P.C.B. G (REP1616D-S) D621 IC301 Q253 Q255 Q257 Q259 Q261 Q263 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 C
19、251 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 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
20、. 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 4D 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 2
21、F 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 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
22、 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 D508 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
23、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 R213 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
24、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 (REP1616D-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 Q20
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Technics-SEA3000-pwr-sch 电路图 维修手册 Technics SEA3000 pwr sch 维修 手册
收音机爱好者资料库所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。



Marshall-9100-62-02-Schematic电路原理图.pdf


