Bryston-14B-SST-pwr-sch维修电路原理图.pdf

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1、221A-02 CASE BE C MJE172 MJE182 77-04 TO-126 CASE C EB 2N7000 CASE T0-3PBL 340G-02 MJL21194 MJL21193 CB S 2N7000 1 E G 2 S 1 3D TRANSISTORS 2N5550 2N5400 ECEDBG 31232 PN100A PN200A TFET T092 CB 31 2 CASE WG3 300R 200R 22R Q14 R33 470/16 200R U31K0 10K 2N Q11 R45 4K7 14B-MB 22P C19 -33V 2K21 R41 1,2J

2、4 7J3 5550 C5 Q5 A D2 A R57 1K0 15K R3 Q3 BC 415 10K0 R56 Q1 BC 413 .1u A R4 Q6 100K R6 22pf 150R 47pf C2 C11 -33V 100A PN 172 R9 R8 150R D2 R7 BC 415 Q4 C4 -IN Q8 D4 100NC5 D1 BC 413 Q2 22pf C3 D3 PN 200A Q7 68R 1K0 1K0 68R MJE R50 R51 C21 220p 2K2 R49 182 MJE 90K9 R2 15K U2 = TLO62CN .1u INVERTER

3、R5 100K +33V 47pf 150R R1 C1 C11 90K9 OFFSET 10K +16 3 2 U3 4 1 -16 10K R129 R130 5 R134 100K 11 R133 C16 VR1 7K15 VR2 C28 100P D8 100K R43 Q24 PN 200A C17 200A PN Q23 5550 Q21 2N C15 B 47p TRIM 1K 15K 15K 2200u/10v C17 536R R48 R47 100A Q26 R55 PN R46 100A Q25 PN C14 100N R39 C13 B 47p 68PC22 1K0 6

4、8p 5400 Q28 2N 6J4 3J3 3K3 R58 Q20 2N 5550 4J3 RXE010 F1 2N 5400 1K8 D3 R57 8 5 J3 J3 1K0 1K0 B R29 1K0 470p 1K0 R25 C8 R26 R28 R30 1K0 R27 470p C7 G5V-2-H1-24V MUTE RLY 5550 22P C18 R42 100P R53 475K R5410K 100K 4K75 R44 D7 C27 68p Q22 5400 2N Q27 R40 2K21 +33V 220p C119 C101 2u2 4K75 R52 R109 R34

5、1K0 2N 6 9 J3 J3 10J3 6J2 Q12 5550 2N 1J3 1N4004 + 2880 RL2 R144 D2 2J3 5J4 Q17 2N 5400 RXE010 F2 C6 200R 470/16 2N A 2K21 R40 1K0 100K U3 = TLO64 10K 12 13 U3 14 10K 6 R131R132 750R 7 10 9 R136 A 1M0 R126 5 R50 R51 2 3 4 1K0 1 J1 1K0 R52 4K75 200A200A 29K4 68p C28 Q28 MUTE RLY G5V-2-H1-24V 4K7 R45

6、4K99 68R1 R111 4 U3 8 +16 R135 1K0 R108D100 A +16 R110 6 5 U2 7 2K21 -33V C19 22P R41 + A R127 29K4 R124 1M0 R125 R43 100K 2N 5550 D8 Q21 C15 C11 100P A 47p VR2 100R 3W 5J2 1 2 J3 J3 RL1 2880 6J4 R15 5550 F1 RXE010 2N C5 470/16 Q11 R33 5400 2N 3J3 F1 R58 4K42 2N 5550 1K Q20 TRIM RXE010 4J3 2N 5400 Q

7、14 C27 R57 68P C12 100A R48 536R 15K 15K 2200u/10v Q24 220p C18 PNPN C17 Q26 R49 2K21 R47 R46 PN 100A PN Q23 100N 1K74 C14 C13 A Q25 47p 4K75 R44 5400 R42 100K 100P 2N D7 Q22 C18 2K0 MJE 182 D3 BIAS R39 7K155 8 J3 J3 C22 1K0 1K0 A 1K0 R29 C8 R25 470p R26 1K0 4K75 Q19 R38 1K0 R28 470p R27 C7 R30 2N 5

8、550 Q27 6J3 9J3 68p 10J3 R37 5550 2N Q12 5400 R34 14B-MB +33V U1,U2,U3+16V .1uC103 22P .1uC105 D103 3,4J2 1K65 1u5/35 C39 R39 + 6J2 7J3 1N4752 D39 1,2J2 A F2 470/16 Q17 C6 RXE010 14B-PWR 22R R8 0R20 5W R6R18 0R20 5W TP2 R17 -43 1 A PSL GND10 GND6 FIN R11 R12 10R 3W 4R7 5W Q4 15031 1K5 R31 1K0 R23 Q1

9、0 2N 5550 220p C1 150R R21 Q9 MJE 300R R36 R10 Q3 Q7 MJL 21194 Q8 MJL 21194 21193 MJL TP1 0R20 5W R16 SECTION B L1 1N4004 3,4,5 C,D,E 21193 MJL J1-60 0R20 5W D2 R13 7,8,9 H,J,K J1 OUT O 2uH 67F075 Q5 1K0 Q2 R16 300R 150R R22 1K5 Q16 5400 2N R32 R24 C2 MJE Q18 R5 15030 220p 0R20 5W R15 MJL 21193 MJL

10、21193 Q1 Q6 MJL 21194 R9 R3 0R20 5W R19 0R20 5W R20 T SW1 0R20 5W R14 M,N,P 11,12,13 21194 MJL 1N4004 D1 J1 +60 BJ1 J1 J1 2 CLIPR 0R20 5W 0R20 5W Q4 67F075 1K5 R23 1K0 R6 22R R8 0R20 5W R17 R18 0R20 5W TP2 T SW1 150R R31 Q10 2N 5550 R21 C1 220p MJE 15030 Q9 300R R36 R10 21194 MJL 21194 MJL Q8 Q7 MJL

11、 21193 Q3 0R20 5W TP1 R16 14J1 J1 T MUTEB J12 3,4,5 C,D,E 1N4004 J1 MJL 21193 D2 -60 0R20 5W R13 R14 L1 4R7 5W 10R 3W SECTION A 5400 300R R16 R5 150R R22 220p R32 1K5 Q16 2N R24 1K0 Q18 15031 MJE C2 Q5 0R20 5W R15 21193 MJL 21193 MJL Q2Q1 21194 MJL Q6 H,J,KO 7,8,9 R11 2uH J1 OUT R12 1N4004 0R20 5W M

12、,N,P 11,12,13 J1 21194 MJL D1 +60 R9 22RR3 14B-PWR R19 R20 FGA J1 J1 10 L 6GND J1+43 15 S 5 Nov 20019 SCHEMATIC DIAGRAM INPUT, MAIN + POWER PCBS 14BSCHR8 1N4750 10K0 R72 47P C72 5 2 4 3 1 14B BALIN 6 7 8 9 10 OUTCH1 GND1 J1 CHASSIS GND2 CH2 C11 Q7 Q8 C10 15K R10 Q6 100K R13 47pf 150R C2 PN R11 100A

13、47pf 413 D2 R7 1K0 Q3 415 BC -IN D1 Q1 10K0 R17 BC 10K0 C6 R18 15K 413 C4 415 Q4 BC Q2 D6 D4 C5 D5R14 150R D3 100N Q5 C3 47pf BC R12 R9 100K PN 200A R8 150R C147pf 172 .1u 22R1 R19 68R R16 MJE 68R R15 1K JUMPER REG 182 MJE VR1 .1u R20 475R 2 T 3K32 BAL/BAL+6/UNBAL 6 C 5 6 150R 8 8 RCA JK 3 7 7 5 5 2

14、1 C 47K5 P5 R23 R22 8 C22 76 4 4 3 3 31 J2 2 21 1 J2 C2 B 3 4 2 3 S1 A 2 C1 1 J3 5876 C3 43 4K99 21 J3 C1470u 4K99 1 S R 3 100R C21 INPUT SEL 14B-RCA5 4K99 R6 XLR-1/4 JK. 1K65 P4 4K99 C2 R17 R18 32C1 BAL/BAL+6/UNBAL 2J213 14B-RCA5 2J2 C 13 2 B 1 INPUT SEL S1 A 46578 46 3C 57 1 C 2 C22 8 3 RCA JK P5

15、47K5 150R R23 R22 R6 4K99 2 J3 2 J3 13 13 1K654K99 C2 4K99 3K32 P4 C3 S 1 T 2 R 4K99 45 45 67 67 8 8 C1470u 415 BC 415 BC 1K0 10K010K0 C6 -IN R7 R12 R9 15K 413 BC 100K 47pf BC 413 C3 Q1Q3 Q2Q4 R10 100K 15K 47pf C4 Q6 R13 200A 150R R8 Q5 47pf C1 PN Q7 .1u C11 MJE 182 C5 100N R15 68R R16 68R PN 100A R

16、11 150R 47pfC2 Q8 MJE 172 C10 .1u XLR-1/4 JK. 3 100R C21 D1 D2 150R OUT J3 J3 J2 J2 +33V-33V VR1 R20 475R 22R1 1KR19 JUMPER REG +33V-33V R0 LINK CHASSIS WG3 GRN/YEL CH2 ST 49R949R949R949R9 49R949R9 49R949R9 REVISION 8 FEB 14, 2001 14B-MB PCB - CHANGED R50 - R51 TO 1K00 14B-MB PCB - CHANGED R48 TO 52

17、3R 14B-PWR PCB- CHANGED R3,R5,R6,R10 TO 49R9 +43V 301R A 1u5/35 D101 1N4752 + R102 C101 1K65 A 1u5/35 D40 1N4752 + R40 C40 3,4J4 301R 1N4750 1N4752 A C1021u5/35 U1,U2 D102 R102 + .1uC103 +16V .1uC105 D103 1N4752 1u5/35 C28 + D28 R28 301R A 1u5/35 1N4752 D27 + C27 301R R27 +43V D3 R38 4K75 Q19 R37 2K

18、0 D3 182 MJE 3K0 2w 3K0 2w 14B-MB PCB R10 - CHANGED REGULATOR CIRCUITS ADDED F2 & F3 F2 RXE010 F3 RXE010 1M01M0 R25 R25 REV 9 NOV 5, 01-ADD R25 TO INPUT SWITCH BOARD Page 1 of 2 RadioFans.CN 收音机爱 好者资料库 WG3 FILE:PART No: DWG BY:REV:DATE: FEB 14, 20018 BRYSTON POWER AMP SCHEMATIC PSB-SSB-LOGIC 14B-SCH

19、R8 CHASSIS GROUND LOGIC GROUND CH 1 LOGIC GROUND CH 2 LOGIC GND (CHASSIS) GROUND SYMBOLS POWER GROUND INPUT GROUND A C,D,E 3,4,5 -60 221R 14B-PSB LM337 D4 R4 Q2 C6 27,000u + 50V 63V C8+ + 50V 22u R5 7K32 C7 22u C9100N 27,000u 63V R1 15K0 C10 + WB6 + OUT - 11,12,13 J1 M,N,P +60 2 B J1BMUTE KBPC352 10

20、N C44 10N C45 C43 27,000u 63V C1+ 15K0 R6 -60V 100N C2 C42 BR2 10N KBPC352 BR1 10N +60V YEL BLU 22u 7K32 63VC3 + 50V 27,000u C4 14B-PSB 221R 1000u C5 + 50V D1 + Q1 LM317 R3 R2 GRN/YEL CHASSIS MJE182 R16 R13 R19 J8 MUTE TENP CH2 CLIP GND CH2 PWR 1 3 4 5 2 MUTE TENP CH1 PWR GND CH1 CLIP 10 7 11 9 8 2N

21、7000 2N7000 TEMP CLIP R21R20 Q6 Q5 12 D3 13 1 2 11 3 D2 2N7000 D5 R28 10R PWR ON R18 R15 R17 R14 Q4 D15 CH1 MUTE 1 R7 12 13 11 2N7000 Q14 3 2 D14 C12 36K5 VR1 10K 8K25 R27 R24D21 Q12 2N7000 Q7 R26 15K0 PN100A Q6 R22 4K99 C12470u 5V Q5 + 36K5 470u D11 + 2931A LM C11 D23 100N BR1 2 X 33,000u/6.3V + C2

22、0 C21+ R19 CL 100N CN 221K POWER INLET N P9 G L 14B-SSB TURN ON PSW ON R41 2M21 D4 R8 8 9 8 10 10 R3 R4 Q2 R5 5550 2N 9 R2 Q1 5550 2N R6 Q3 100R R1 CH2 MUTE VR2 2N7000 Q11 1MEG 4 1K0 Q9 U4B R37 2u2 C1 + 1MEG 5 2931A LM D24 + 22u C13 D12 10 U4C 2u2 C2 98 R44 604R 100K R40 D9 6 MUTE R39 5 LEDS Q13 6 2

23、N7000 11 U4D 13 R38 D10 12 100NC8 1 R42 4K75 2 U3 4 U3 3 100N C5 CHASSIS 6 D3 R19 CLIP R18 R16 TEMP R21 Q6 2N7000 12 D5 R17 2N7000 Q5 R20 13 2 1 13 R13 PWR ON 2N7000 Q4 12 R7 U2-4081 10 U1-4011 11 9 R8 D4 1 9 D2 3 8 8 10 11 R2 R6 Q3 R4 R3 Q2 R5 5550 2N 5550 2N Q1 100R VR2 R1 BREAKER 2 1 1 1 1 B 1 WW

24、2 WB3 WB1 WB2 WB4 CH2 AC HI WW3 CH2 AC LO WW1 WG2 WG1 WG3 1K0 R9 475R 475K 301K 267K PN100A 100K 49K9 + 267R IL4108 301R R21 D13 1 6 D12 U3 R17 75R NC RL1A D8 R18 18K2 C10 2 4 + D6 100u/35V PN100A RL1 Q2 G5V-H1-24V 18K2 R16 100u/35V 100u/35VC6 C7 + + R12 R5 C5 R8 12 1085C 5 200K R1 1 200K R2 D1 324

25、C2 16 R3 141513 TDA U1 C3 R4 D2 12K1 D3 47uC1 + 678 D4 R11 10119 R6R7 Q1 22R 33R 3R RL1B NC D5 30K 30K PR2 PR3 R13 R14 SOFT START 2 41 6U2 PR5 PR4 510R 1K0 R15 2W 2W D10 D9 ABC-15A INTERNAL FUSE 475R R42 499K GS3 .1uC4 PR1 F2 MAC 2213A10FP T3 RED 750VA750VA 120V PRIMARY WIRING ORN TXN WHT TXC BRN BL

26、K TXL 25VAC 1K21 R51 4 U4 2 16 IL4108 4 6 7 F3 RXE010 CH1 FT2984 TX1 3 4 2 7 1 5 120V 230V IL4108 61U4 240V 4 2 1 FT2984 CH2 TX2 120V 7 2 3 RXE010 F3 5 4 3 R51 1K21 5 J5 2 1 25VAC Q10 4 3 2 1 5 WR1 OUT1 CH 2 SOFT START IDENTICAL TO CH1 200R200R R33 475R R31 PN100 100R 18K2 PN100 R32 Q9 R34 18K2 R30

27、1u5 C15 49K9 R35 2u2 C17 R39 10K + Q8 C16 2u2 R38 + 1 MOC8100 U1 2 J7 S3 54 2 3 POWER REMOTE INPUT 12V AC/DC P9 5 S2 7 2 3 J7 7 5 C9470u + 470u + C10 5V 6 7 2N7000 J6 6 6 RED J9 LED J9 LED J9 PWR COM 25 CH2 43 CH1 17 RED GRN 25 GRN 43 SW 17 J10 PSW21 CH1 TEMP GRN CLIP PWR MUTE J8 240V PRIMARY 750VA7

28、50VA WHT BRN BLK 2J1 J114T RCLIPJ1 J1 J1 J1 11,12,13 H,J,K J1 OUT 0 J1 J1 J1 A 1 10 L 6 FIN GND PS GND -43 H,J,K 11,12,13 J1 0 OUT C,D,E 3,4,5 J1 -60 11,12,13 M,N,P J1 +60 10 1 J1 A J1 L J1 6 F GND +43 PS IN GND 14B-LOGIC 10K 100K 10K 10K 10K100K 63K43K65 10K 10K 10K 63K43K65 10K100K 10K 10K10K 4K99

29、 4K99 4K99 221R 150R 390R 100K 390R 221R 4K99 4K99 4K99 150R LOCAL-REMOTE 14B-REM RL1 + 2880 6 1 6 1 Q8 2N7000 8V DLY RLY EXT PWR UP PART OF 14B-RCA PCB 44 R23 2U2 10N50N 1 2 J5 5 3 4 6 7 1 2 J6 3 5 4 6 7 14B-PSB PART OF 3 4 5 2 1 10K R45 3R1 3R1 D3 D2 230V ONLY BLKRED WB6 JP5 JP8 JP7 JP4 JP6 JP2 JP

30、1 JP3 JP2 WW2 JP1 WW3 TXN WHT ORN JP1 TXC TXL CH2 AC LO WB4 CH2 AC HI JP4 JP3 JP4 WIRING JP3 JP2 14B-LED SSB ON CH2 J7 J5 PC00-022-3-0 D5 D1 D2D3D4 WG3GRN/YEL 100K R42 1 1 1 11 J8 GND CLIP CH2 MUTE 9 11 10 PWR TENP8 7 CHASSIS6 1 LEDS SW LATCH TURN ON2 TURN ON1 5V 8VAC 8VAC 100K 1 U2-4081 U1-4011 REM TRIG + JP7 JP6 RED JP8 BLU YEL J8 1N914 1N914 Page 2 of 2 RadioFans.CN 收音机爱 好者资料库