Jamo-A2SUB-spk-sch 电路图 维修手册.pdf

《Jamo-A2SUB-spk-sch 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Jamo-A2SUB-spk-sch 电路图 维修手册.pdf（4页珍藏版）》请在收音机爱好者资料库上搜索。

1、12345678 A B C D 87654321 D C B A P:ProtelWORKA 2SUBSCHAmplifierA 2SUB.prjFile:Sheetof14 Jamo A/S Elmevej 8,Glyngoere DK-7870 Roslev, Denmark Phone Fax Item no: Drawn by: Sheet size: Revision: Date / Time: D 6-Feb-2003 /09:48:56 A3 2000031 BKJ Title: Project: Project Management Sheet A 2SUB, Subwoof

2、er +45 99767676 +45 99767600 AGND -12VPOWER AMP INVbridge +StBy -StBy +12V Equalizer Equalizer.SCH AMP IN POWER +12V AGND -12V -StBy Vbridge +StBy Amplifier Amplifier.SCH Schematic 100 RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A P:ProtelWORKA 2SUBSCHAmplifierEqualizer.SCHFile:Sheetof24

3、 Jamo A/S Elmevej 8,Glyngoere DK-7870 Roslev, Denmark Phone Fax Item no: Drawn by: Sheet size: Revision: Date / Time: D 6-Feb-2003 /09:48:01 A3 2000031 BKJ Title: Project: Equalizer, Auto on/off A 2SUB, Subwoofer +45 99767676 +45 99767600 3 2 1 411 U201A TL084 12 13 14 U201D TL084 10 9 8 U201C TL084

4、 5 6 7 U201B TL084 R204 150R R205 1k R206 169k R208 169k R207 1k5 R210 4k7 R209 30k C201 220n C202 220n C203 220n R211 11k C204 82n AGNDAGND AGND R212 12k R213 33k R215 39k R214 39k C205 220n C206 220n C207 150n AGND C208 2n2 AGND +12V -12V C211 56n R223 5k6 P203B * Not mounted / 22k P203A * Not mou

5、nted / 22k AGND R220 5k6 C210 270n P201 * Not mounted / 10k 3 2 1 411 U200A TL084 R201 22k R200 22k R202 22k AGND AGND 12 13 14 U200D TL084 10 9 8 U200C TL084 C212 1u C213 100p C214 1u C215 100p R224 9k1 R225 560k R226 9k1 R227 270k AGND R228 470R R230 9k1 R229 6M8 R231 10k 5 6 7 U200B TL084 C216 10

6、0u AGNDAGNDAGND -StBy C200 100p D201 PMLL4148 R232 15k AGND -StBy +StBy POWER FILTER OUT R233 2k7 AGND 5 6 7 U202B TL084 -12V +12V C217 100n C218 100n C219 100n C220 100n C221 100n C222 100n +Stby -StBy AGND AGND AGND 1 2 J203 2-pin connector To LED 3 2 1 411 U202A TL084 P202 * Not mounted / 100k R2

7、16 150R R217 47k R219 47k C209 150n AGND 1 2 3 J201A PHONO_4V 4 5 6 J201B PHONO_4V 0 MH200 MOUNTING HOLE 0 MH201 MOUNTING HOLE AGND J202A * Not mounted J202B * Not mounted J202C * Not mounted J204A 7 pin header J204B 7 pin header J204C 7 pin header J204E 7 pin header J204F 7 pin header J204G 7 pin h

8、eader AGNDAGND D202 PMLL4148 R218 0R R221 3k9 R222 3k9 J204D 7 pin header AGND LIMITER_IN LIMITER_OUT +12VDC -12VDC VBRIDGE AGND Limiter Limiter.Sch +12VDC -12VDC Vbridge AGND JP200 * Not mounted LIMITER_IN Schematic 200 +12V -12V +StBy -StBy J207 PIN Vbridge J208 PIN PGND +12V -12V PGND +StBy -StBy

9、 Vbridge TP200 +12V -12V AGND TP201 R203 10k TP202TP203 TP204 TP205TP206 TP207 TP209 TP210 TP211 TP208 TP212 TP213 TP214TP216 TP215TP217 TP218TP219 TP220 TP221 TP222TP223TP224 TP225 TP226 TP228 TP229TP230 TP231 TP232TP233 TP234TP235 TP236 TP237 TP238 U200U201U202 0 MH202 MOUNTING HOLE 0 MH203 MOUNTI

10、NG HOLE AGND AGND R240 100R TP239 TP240 TP241 TP242 J205C 6 pin header J205D 6 pin header J205A 6 pin header J205B 6 pin header C223 47n C226 47n C224 47n C225 47n AGND +12V-12V+Stby-StBy REF 8 A 2 A 3 A 6 A 7 K 1 NC 4 NC 5 U203 TL431D Q202 BC856 Q201 BC856 R236 10k R235 33k R234 200R R237 1k82 R239

11、 10k R238 6k8 -StBy AGND +Stby +Stby C227 1n TP244 TP243 TP245 TP246 TP247 TP248 C228 10n C229 10n AGNDAGNDLIMITER_OUT C230 47n AGND AGND Power good Equalization filter Level control Phase controlCut off control LED drive Limiter Auto on / off C231 100u RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654

12、321 D C B A P:ProtelWORKA 2SUBSCHAmplifierLimiter.SchFile:Sheetof34 Jamo A/S Elmevej 8,Glyngoere DK-7870 Roslev, Denmark Phone Fax Item no: Drawn by: Sheet size: Revision: Date / Time: D 6-Feb-2003 /09:47:09 A3 2000031 BKJ Title: Project: Limiter A 2SUB, subwoofer +45 99767676 +45 99767600 R300 33k

13、R302 2k7 R303 36k R301 1k 3 2 1 411 U300A TL084 5 6 7 U300B TL084 10 9 8 U300C TL084 12 13 14 U300D TL084 Q301 BC856Q302 BC856 Q303 BC846 R310 51R R311 51R R312 51R R316 10k R318 20k R319 20k R317 20k R315 20k D300 PMLL4148 D301 PMLL4148 D303 PMLL4148 D302 PMLL4148 AGND AGND AGND AGND R309 162k R308

14、 162k C301 4u7 AGND AGND Q300 SST175 AGND +12V -12V +12V +12V R314 130k R313 360k AGND C300 330n Vbridge R307 4M3 R306 300k -12V C302 100n C303 100n AGND LIMITER_IN LIMITER_OUT +12V -12V Vbridge +12V -12V Vbridge TP300 TP301 TP304 TP311TP313 TP314TP316 TP315TP312 TP310 TP308 TP305 TP307TP309 TP306 T

15、P303 TP302 Schematic 300 U300 AGND LIMITER_IN P300 500k R320 * Not mounted / 0R TP317 LIMITER_OUT RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A P:ProtelWORKA 2SUBSCHAmplifierAmplifier.SCHFile:Sheetof44 Jamo A/S Elmevej 8,Glyngoere DK-7870 Roslev, Denmark Phone Fax Item no: Drawn by: Shee

16、t size: Revision: Date / Time: D 6-Feb-2003 /09:46:10 A3 2000031 BKJ Title: Project: Power supply, Amplifier A 2SUB, Subwoofer +45 99767676 +45 99767600 POWER PowerUp Audio A 1 Triangle A 2 Osc A 3 NC 4 Cosc 5 Osc B 6 Triangle B 7 Audio B 8 AGND 9 Out B 10 PGND 11 9VB 12 Vcc 13 9VA 14 Out A 15 5V5 1

17、6 M1 M1 U401 ZXCD1000 Q401 ZXM64N03 Q400 ZXM64P03 R411 56R R410 47k C416 1u Q403 ZXM64N03 Q402 ZXM64P03 C430 10n C431 47n C432 10n C433 1u J400 PIN J401 PIN C418 47n C419 47n PGNDPGND PGND PGND Vbridge C414 100u C409 22uC408 100n C413 100n +12V C407 47n C410 330pC411 47n C412 6n8 C404 6n8 C405 100n

18、C406 22u AGND AGND AGND AGND OutHigh OutLow OutLow OutHigh OutA OutB OutA OutB PGND D405 PMLL4148 D406 PMLL4148 12 13 14 U202D TL084 10 9 8 U202C TL084 R402 11k R407 22k R408 390R R409 390R R406 22k AGND C439 1n AudioA AudioA AudioB AudioB AGND Q405 ZVN3306 R435 100k R432 75k R431 2k4 R433 100k R436

19、 2k4 R434 330k +12V AGND Fault P400 10k R425 62k R426 11k +12V AGND Schematic 400 C420B 1000u AGND AGND R427 240k R428 620k +StBy AGND AGND R437 4k7 D407 PMLL4148 PowerUp POWER Fault D404 PMLL4148 TriA TriB TriB TriA AGND D400 PMLL4148 D401 PMLL4148 D403 PMLL4148 D402 PMLL4148 Z400 BZV55-10 Z402 BZV

20、55-10 R413 47k R414 47k R417 47k R412 56R R415 56R R416 56R C417 1u C421 1u C422 1u C434 1u 1 2 H400 HEATSINK A 2SUB FILTER OUT H-bridge controllerH-bridge Demodulation filter Phase splitter Power up/down sequence Temperature sense Offset adjust R438 * Not mounted PGNDAGND TP403 TP404 TP409 TP408 C4

21、15 22u TP412 TP413 TP414TP415 TP416 TP417 TP418 TP420 TP419 AGND TP422 TP424 TP423TP425 TP426TP427 TP429TP431 TP428TP430 TP432 TP440 TP441 TP443 TP447 TP444 TP449 TP450 TP421 TP454 TP451 TP442 TP438 TP437 C420A 1000u Vbridge C435 100n C437 100n AGND +12V U400U402 +StBy PGND +12V +StBy Vbridge AGND -

22、12V Vbridge +12V AGND +StBy -12V PSOn PSOn D408 PMLL4148 D409 PMLL4148 AudioB C427 1u C428A 1u C428B 1u AGND C401 22u C400 22u 5 6 4 U402B MC14093B 8 9 10 U402C MC14093B 12 13 11 U402D MC14093B 1 2 3 147 U402A MC14093B D410 PMLL4148 5 6 7 U400B LM2903 3 2 1 84 U400A LM2903 NTC400 10k AGNDAGND +12V+1

23、2V AGND AGND +12V TP452 TP453 R403 12k AGND J205E 6 pin header J205F 6 pin header C424 2n2 C423 2n2 C425 2n2 C426 2n2 R423 3R9 R424 3R9 TP433TP434 TP435TP436 C429 47n Vbridge PGND AGND C440 10n R439 * Not mounted PGNDAGND R440 * Not mounted PGNDAGND R445 * Not mounted PGNDAGND R442 * Not mounted PGNDAGND R443 * Not mounted PGNDAGND R444 * Not mounted PGNDAGND AGND R429 240k D411 PMLL4148 R430 10k AGND SP+ SP- L400 15u L401 15u R441 * Not mounted PGNDAGND POWER R446 * Not mounted PGND