Bryston-875B-pwr-sch维修电路原理图.pdf

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1、12345678910 A B C D E 10987654321 E D C B A LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : Size : B 11-Sep-2003 File :Left channel R2.schSheet :1of1 Rev : Drawn : R1 Title : QB1 100 QB2 100 QB6 100 QB5 200 QB4 200 QB

2、3 200 QB8 JE172 QB7 JE182 RB5 15K RB6 100K RB10 150R RB11 150R RB7 15K RB8 100K RB9 150R RB12 68R RB13 68R DB3 914 DB4 914 DB1 914 DB2 914 RB1 4K99 RB2 10K0 RB3 10K RB4 1MEG CB1 47p CB2 220p CB3 100N RB14 49R9 BUFFER INPUT DOA-68 +24V B -24V B R44 150K R47 49K9 R45 150K R46 49K9 T SW1 67L080 R33 10K

3、0 R34 10K0 R35 10K0 R36 10K0 R37 10K0 R38 100K R39 475R R40 1K0 R41 499R R43 1K21 R42 604R D40 914 D41 914 D42 914 DP1 5239 DP2 5239 DP3 5248 DP4 5248 DM1 5239 DM2 5239 DM3 5248 CM3 100N CP3 100N CP4 100N C31 220N CP1 100N CP2 100N CM1 100N CM2 100N 3 2 1 U1A TL084 5 6 7 U1B TL084 10 9 8 4 U1C TL084

4、 12 13 14 11 U1D TL084 C30220p 1 2 3 147 U2A 4011 5 6 4 U2B 4011 8 9 10 U2C 4011 12 13 11 U2D 4011 VR2 1K0 LEDs +24V A -24V A -24V B +24V B Q7 100 Q8 100 Q4 100 Q14 100 Q11 100 Q9 200 Q10 200 Q5 200 Q12 200 Q3 200 VR1 10K VR3 2K0 R31 29K4 R32 29K4 R20 2K21 RIN 1K0 R12 15K0 R13 15K0 R24 4K75 R25 1K5

5、R6 1K5 R8 100K R7 4K75 RM1 49K9 RP1 49K9 ROF 475K C14220p C9 47p C10 47p C15 220p R21 100K D7 914 D8 914 RF2 1K000 + CF2 2200u/10v C17 22p CIN 220p WB1 TUNING LOOP Q6 JE172 R9 2K21 R10 5K6 D3 914 C13 100N -24V A +24V A -24V A R15 1K0 R16 267R R22 1K0 R23 267R C5 470p C6 470p CF147p C11220p RF1 14K70

6、 R28 100R R29 22R1 R27 100R R26 475R R2 475R R3 100R R4 22R1 R1 100R PR1 0R15 RT1 10K0 RT2 10K0 RT3 10K0 RT4 10K0 PR2 0R15 + C3 470u/16V + C7470u/16V D1 4004 D2 4004 RL1 10R COUT 100N L22uH C4 47p C8 47p Q13 MJE15030 Q2 MJE15031 Q1 MJL21193 Q15 MJL21194 1 2 3 4 5 J3 BCS105 TP1 TP2 1 2 3 4 5 6 7 8 9

7、10 11 12 13 14 15 16 17 J2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J1 TEMP MUTE DIFF COMP BUFF BUFF TEMP2 RLY- RLY+ RLYA RLYB +IN -IN PREO PWRIN POUT PGND SGND RMU 4K75 +48V PGND -48V -33V +33V SGND LGND RED GRN RLY- WR1 WR1 D.M. CB4 33p CB5 33p 11531B4B11531B4B11531B4B11531B4B11531B4B -48V PGND S

8、GND LGND RLY- RED GRN +33V -33V PGND POUT PWRIN PREO -IN +IN SGND RLYA RLYB RLY+ TEMP2 +48V R5 0R R11 0R RLY- MUTE MUTE R14 0R MUTEMUTE 875 LEFT CHANNEL R2 REV 2 - CHANGES RB3 - CHANGE TO 10K RB4 - CHANGE TO 1MEG REMOVE DB3A IN BIAS CHAIN RadioFans.CN 收音机爱好者资料库 12345678910 A B C D E 10987654321 E D

9、 C B A LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : Size : B 11-Sep-2003 File :Right channel R2.schSheet :1of1 Rev : Drawn : R2 Title : QB1 100 QB2 100 QB6 100 QB5 200 QB4 200 QB3 200 QB8 JE172 QB7 JE182 RB5 15K RB

10、6 100K RB10 150R RB11 150R RB7 15K RB8 100K RB9 150R RB12 68R RB13 68R DB3 914 DB4 914 DB1 914 DB2 914 RB1 4K99 RB2 10K0 RB3 10K0 RB4 1MEG CB1 47p CB2 220p CB3 100N RB14 49R9 BUFFER INPUT DOA-68 +24V B -24V B R44 150K R47 49K9 R45 150K R46 49K9 T SW1 67L080 R33 10K0 R34 10K0 R35 10K0 R36 10K0 R37 10

11、K0 R38 100K R39 475R R40 1K0 R41 499R R43 1K21 R42 604R D40 914 D41 914 D42 914 DP1 5239 DP2 5239 DP3 5248 DP4 5248 DM1 5239 DM2 5239 DM3 5248 CM3 100N CP3 100N CP4 100N C31 220N CP1 100N CP2 100N CM1 100N CM2 100N 3 2 1 U1A TL084 5 6 7 U1B TL084 10 9 8 4 U1C TL084 12 13 14 11 U1D TL084 C30220p 1 2

12、3 147 U2A 4011 5 6 4 U2B 4011 8 9 10 U2C 4011 12 13 11 U2D 4011 VR2 1K0 LEDs +24V A -24V A -24V B +24V B Q7 100 Q8 100 Q4 100 Q14 100 Q11 100 Q9 200 Q10 200 Q5 200 Q12 200 Q3 200 VR1 10K VR3 2K0 R31 29K4 R32 29K4 R20 2K21 RIN 1K0 R12 15K0 R13 15K0 R24 4K75 R25 1K5 R6 1K5 R8 100K R7 4K75 RM1 49K9 RP1

13、 49K9 ROF 475K C14220p C9 47p C10 47p C15 220p R21 100K D7 914 D8 914 RF2 1K000 + CF2 2200u/10v C17 22p CIN 220p WB1 TUNING LOOP Q6 JE172 R9 2K21 R10 5K6 D3 914 C13 100N -24V A +24V A -24V A R15 1K0 R16 267R R22 1K0 R23 267R C5 470p C6 470p CF147p C11220p RF1 14K70 R28 100R R29 22R1 R27 100R R26 475

14、R R2 475R R3 100R R4 22R1 R1 100R PR1 0R15 RT1 10K0 RT2 10K0 RT3 10K0 RT4 10K0 PR2 0R15 + C3 470u/16V + C7470u/16V D1 4004 D2 4004 RL1 10R COUT 100N L22uH C4 47p C8 47p Q13 MJE15030 Q2 MJE15031 Q1 MJL21193 Q15 MJL21194 1 2 3 4 5 J3 BCS105 TP1 TP2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J2 1 2 3 4

15、5 6 7 8 9 10 11 12 13 14 15 16 17 J1 TEMP MUTE DIFF COMP BUFF BUFF TEMP1 RLY- RLY+ RLYA RLYB +IN -IN PREO PWRIN POUT PGND SGND RMU 4K75 +48V PGND -48V -33V +33V SGND LGND RED GRN RLY+ WR1 WR1 D.M. CB4 33p CB5 33p 11531B4B11531B4B11531B4B11531B4B11531B4B -48V PGND SGND LGND RLY+ RED GRN +33V -33V PGN

16、D POUT PWRIN PREO -IN +IN SGND RLYA RLYB RLY+ TEMP1 +48V RLY+ RLY- MUTE MUTE R5 0R MUTEMUTE 875 RIGHT CHANNEL R2 REV 2 - CHANGES RB3 - CHANGE TO 10K0 RB4 - CHANGE TO 1MEG REMOVED DB3A IN BIAS CHAIN RadioFans.CN 收音机爱好者资料库 12345 A B C D E F G H I J 54321 J I H G F E D C B A LTD P.O. BOX 2170, 677 NEA

17、L DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : Size : A 12-Dec-2003 File :875 Soft Start R3.SchSheet :1of1 Rev : Drawn : R2 Title : R30 221K C30 .22uF/250V F1 R10 499K R9 475R C4 0.1uF/250v Q3 BTB 24800B F2 F3 Chassis U2 IL4108 R24 1K0 R15 22

18、R R13 33R R14 3R D5 1N4737 R6 475K R7 475R R4 267K C3 50n Q1 PN100 LED1 DLED R11 12K1 U1 TDA 1085C D2 1N4004 C2 10n D3 1N4740 D4 1N4004 R3 301K + C1 47uF/35V +C21 33000uF/6.3V + C20 33000uF/6.3V D1 1N4004 R8 49K9 R12 18K2 Q2PN100 D12 1N4759 D11 1N4759 D6 1N4758 D7 1N4758 D8 1N4762 R2 200K R1 200K D1

19、0A 1N4004 R17 1K5/2w R17A 1K5/2w R18 267R R5 100K R16 100K + C6 100uF/35V + C7 100uF/35V + C5 1u5 + C8 100uF/160V J1 120V 100V 220V 240V J2 100V 120V 220V 240V D10 1N4004 R19 2K0 OUT IN RA 40K0 RB 40K0 RC 40K0 RD 40K0 J3 100V220V 240V120V F4 DA 1N4004 DC 1N4004 DD 1N4004 DB 1N4004 Q4 PN100 Q5 PN100

20、R26 18K2 R23 100R R21 200R R25 18K2 R27 475R R28 10K0 R22 49K9 R20 200R + C11 2u2 + C9 1u5 + C102u2 U3 IL4108 D9 1N4004 DM 1N4004 D13 1N4004 PR3 30K/2W PR2 30K/2W AC LO 1 2 3 4 JREM J9J8 J5 1650-2 J6 1650-2 J7 1650-2 WB1 OPT C OPT B OPT A 875 SOFT START GNL JPWR BR1 GSIB2540 1 234 5678 9101112131415

21、16 1 212 WW1 AC HI TO FUSE PCB 12V TRIGGER & POWER SW 1 2 3 JMUTE 1468 91113 16 RL2 RL1 1468 91113 16 RW1 0R RW2 0R WS2 WS1 12345678910 A B C D E 10987654321 E D C B A LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : S

22、ize : A 8-Oct-2003 File :HT_IN-OUT R2.SchSheet :1of1 Rev : Drawn :D.M. Title : BP1 FC159802 BP4 FC159802 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J1R EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J1L EDAC 345.034 A B D F E C S1 62-D02-6G A B D F E C S2 62-D02-6G P3 P4 1 2 3 4 5 6 7 8 9 10

23、11 12 JXLR CES-112-01-S-S VR1 1K0 VR2 1K0 R3 475R R7 1K00 R1 4K99 R6 475R R5 10K00 R4 1K0 BP2 FC159801 BP3 FC159801 OUTPUT LEFTOUTPUT RIGHT + - -+ RLYA RLYB RLY- SGND -IN +IN +IN -IN SGND RLY+ RLYB RLYA RIGHT CHANNEL LEFT CHANNEL POUT PGND PREO PWRIN -IN SGND +IN TEMP2 RLY+ RLY- RLYB RLYA POUT PGND

24、PREO PWRIN -IN SGND +IN TEMP1 RLY+ RLY- RLYB RLYA 875HT IN-OUT PCB R1A 4K99 IND / BRIDGE BAL / SE R2 4K99 R2A 4K99 12345678910 A B C D E 10987654321 E D C B A LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : Size : B 1

25、1-Sep-2003 File :Bus Power R1.SchSheet :1of1 Rev : Drawn : R1 D.M. Title : Q3 2N5550 R6 100K R12 499R +C7 2u2/35V 1 2 3 4 BR2BRIDGE 1 2 3 4 BR1BRIDGE R17 100R R9 100R C5100NC6100N Q4 MJE15030 Q5 MJE15031 D7 4004 D8 4004 R16 1K0 R15 1K0 R14 10R R13 10R D6 1N973 D5 1N973 + C4 33u/35V + C2 33u/35V 1 2

26、3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH8/4R EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH6/3R EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH5/3L EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH7/4L EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH4/2R ED

27、AC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH2/1R EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH1/1L EDAC 345.034 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 JCH3/2L EDAC 345.034 1 2 3 4 5 6 7 8 9 JLED2 TSW-109-07-G-S 1 2 3 4 5 6 7 8 9 JLED1 TSW-109-07-G-S COM COM RED1 GRN1 RLY-

28、RLY-RLY-RLY- RED2RED3RED4RED5RED6RED7RED8 GRN2GRN3GRN4GRN5GRN6GRN7GRN8 RLY+RLY+RLY+ LGNDLGNDLGNDLGNDLGNDLGNDLGNDLGND RLY+ -33V-33V-33V-33V-33V-33V-33V-33V +33V+33V+33V+33V+33V+33V+33V+33V SGNDSGNDSGNDSGNDSGNDSGNDSGNDSGND +48V+48V+48V+48V+48V+48V+48V+48V -48V-48V-48V-48V-48V-48V-48V-48V PGNDPGNDPGNDP

29、GNDPGNDPGNDPGNDPGND RED1 RED2 RED3 RED4 RED5 RED6 RED7 RED8 GRN1 GRN2 GRN3 GRN4 GRN5 GRN6 GRN7 GRN8 PGND_Z34 -48V_Z34 +48V_Z34 +33V_Z34 -33V_Z34 SGND_Z34 LGND_Z12 1 2 3 JPRSW TSW-103-07-G-S 1 2 3 4 JPWR TSW-104-07-G-S LGND_Z34 -33V_Z12 SGND_Z12 +33V_Z12 +48V_Z12 -48V_Z12 PGND_Z12 ZONE 1ZONE 2ZONE 3Z

30、ONE 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 JPS1 SSW-109-01-S-D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 JPS2 SSW-109-01-S-D Q1 MJE15030 D2 4004 R1 1K0 R2 10R D1 1N973 + C1 33u/35V Q2 MJE15031 D4 4004 R3 1K0 R4 10R D3 1N973 + C3 33u/35V R18 100R R5 100R R7 100R R8 100R QM1 2N5550 QM3 2N5550 QM2 2N5550 QM4 2N5550 RM2 100K RM1 100K RM3 100K RM4 100K D9 1N970 R11 10R R10 10RLGND MUTE COM LED CHASSISCHASSIS 1 WRP 1 WBM 1 TXCT 1 WRP 1 WBM 1 TXCT R19 0R R20 0R M1 BRYSTON LOGO D10 zener MT1MT2 875 BUS POWER