Bryston-28B-SST-pwr-sch维修电路原理图.pdf

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1、1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 74 2-5325 FAX (705 ) 742-08 82 WWW.BRYSTON.CA Date : Size : C 2006-10-27 File :28B OVERALL SCHEMATIC.SchDocSheet :0of0 Rev : Drawn : 0.0 150K R? 49K9 R? 150K R? 49K9 R? 10K0 R

2、? 10K0 R? 10K0 R? 10K0 R? 10K0 R? 100K R? 475R R? 1K0 R? 499R R? 1K21 R? 604R R? 914 D? 914 D? 914 D? 100N CM? 100N CP? 220p C? 100N CP? 100N CM? 100N CM? TL064 U?A U?B U?C U?D 220pC? U?A 4011 U?B U?C U?D 1K0 VR? LED 100 Q? 100 Q? 100 Q? 200 Q? 200 Q? 200 Q? 10K VR? 29K4 R? 29K4 R? 2K21 R? 15K0 R? 1

3、5K0 R? 4K75 R? 2K21 R? 2K21 R? 100K R? 4K75 R? 90K9 RM? 90K9 RP? 475K ROF? 220p C? 47pC? 47p C? 220p C? 100K R? 914 D? 914 D? 4K990 RF? + 2200u CF? 22p C? 220pCIN? WB? +33V -33V 47p C? 7K15 RF? 10R RL? 2uH L? DIFF COMP BUFF BUFF 4K75 RMU? M3 M4 914 DM? 914 DM? 12 13 8 9 10 1 2 3 5 6 4 8 9 10 4 7 6 5

4、 1 14 13 12 2 3 11 11 7 14 220p CC? C+ C- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J? 47pC? BP? RLM? 10R RL? +15 -15 +15 -33V OUT OUT+ 68pCFB? 100N CM? 100 Q? 100 Q? 100 Q? 200 Q? 200 Q? 200 Q? 10K VR? 2K21 R? 15K0 R? 15K0 R? 4K75 R? 2K21 R? 2K21 R? 100K R? 4K75 R? 90K9 RM? 90K9 RP? 475K R

5、OF? 220p C? 47pC? 47p C? 220p C? 100K R? 914 D? 914 D? 4K990 RF? + 2200u CF? 22p C? 220p CIN? WB? +33V -33V 47p C? 7K15 RF? 10R RL? 100N COUT? 2uH L? 4K75 RMU? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J? 47p C? BP? 10R RL? -33V OUT OUT- 47p CFB? 100 QB? 100 QB? 100 QB? 200 QB? 200 QB? 200

6、QB? 172 QB? 182 QB? 15K RB? 100K RB? 150R RB? 150R RB? 15K RB? 100K RB? 150R RB? 68R RB? 68R RB? 914 DB? 914 DB? 914 DB? 914 DB? 3K48 RB? 40K0 R-IN? 26K66 R? 47p CF? 100N CB? 1K21 RO? +33V -33V 1 2 3 JBAL? INPUT SELECT SWITCH SW? 2V 1V GAIN 13K33 RIN? 40K0 RF? 40K0 RF? 100 QB? 100 QB? 100 QB? 200 QB

7、? 200 QB? 200 QB? 172 QB? 182 QB? 15K RB? 100K RB? 150R RB? 150R RB? 15K RB? 100K RB? 150R RB? 68R RB? 68R RB? 914 DB? 914 DB? 914 DB? 914 DB? 3K48 RB? 40K0 R-IN? 26K66 R? 47p CF? 100N CB? 1K21 RO? +33V -33V 13K33 RIN? 40K0 RF? 40K0 RF? 1K21 R? 1K21 R? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

8、 20 J? 10N CRL? 4004 DRL? +33V 100R RL? +1 +2 +3 +4 -1 -2 -3 E1 E2 S1 S2 S3 S4 E3 E4 A1 E5 E6 D1 D2 JS? SE A3A5 A6 A7 A8 A9 A10 A11 A12 A13 A15 A16 17 18 F2F1 F3 T3 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16RED C18C19 C20 GRN +15 FB 49R9 RO? 49R9 RO? MUTE A5 A10 A2 +33V 1N4744 DP? 1N4744

9、 DM? +15 -33V+33V 499R RP? 499R RM? -15 220p CSE? +3 -3 FB A1 S1 S2 E1 E2 E3 E4 D1 D2 S3 S4 A2 A3 +4 E5 E6 F1F2 F3 A10 A8 A6 A7 A9 A9 A16 A17 A13 0R0 R? A12 A11 A15 17 18 A5 0R0 RJX? 0R0 RJX? 0R0 RJ? BP? BP? 47N CMA? 47N CMB? BP3 M1 P1 P2 M2 A17 A17 -33V -33V MJL21193 Q?Q? MJL21193 Q?Q? MJL21193 Q?

10、Q? MJL21193 Q? Q? MJL21194 Q?Q? MJL21194 Q? Q? MJL21194 Q?Q? MJL21194 Q?Q? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 49R9 R? 49R9 R? 49R9 R? 49R9 R? +90 -90 OUT MJE15030 QDD? MJE15031 QD? QDE DC DDE DDC JE182 QBI? T SWTH? T1 T2 B

11、1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 * JBB? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 JA? 1N4004 D? 1N4004 D? 4K75 RB? 2K0 RB? 1N914 D? 1E P2 150R R? 220p 150R R? 220p 1K0 R? 1K5 R? 2N5400 QP? 1K0 R? 1K5 R? 2N5550 QM? 2N5550 QM? 301R R? 22R1 R? +

12、470/16CPP? + 470/16 CMP? 2N5400 QM? 301R R? P1 P6P4 2N5550 QP? 2N5400 QP? 301R R? 22R1 R? 301R R? M3 2N5550 QP? 100p CM? 1K0 R? 1K0 R? 1K0 R? 470p CM? SGND 1N914 D? 2N5550 QB? 1K74 RB? 4K42 RB? 2K0 VRA? 2N5400 QM? 1K0 R? 1K0 R? 1K0 R? 470p CP? SGND 100p CP? SGND P3 M2 M4 PX MX 2E3E4E 16E14E15E13E 8E

13、7E6E 12E11E10E9E M1 P5 M5M6 5E DB DD C2 C1 CD E F G 16 15 A 100N CB? T2 MJL21193 Q?Q? MJL21193 Q?Q? MJL21193 Q? Q? MJL21193 Q? Q? MJL21194 Q?Q? MJL21194 Q? Q? MJL21194 Q?Q? MJL21194 Q?Q? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 0R3 R? 4

14、9R9 R? 49R9 R? 49R9 R? 49R9 R? +90 -90 OUT MJE15030 QDD? MJE15031 QD? QDE DC DDE DDC JE182 QBI? T SWTH? T1 T2 B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 * JBB? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 JA? 1N4004 D? 1N4004 D? 4K75 RB? 2K0 RB? 1N914 D?

15、 1E P2 150R R? 220p 150R R? 220p 1K0 R? 1K5 R? 2N5400 QP? 1K0 R? 1K5 R? 2N5550 QM? 2N5550 QM? 301R R? 22R1 R? + 470/16CPP? + 470/16 CMP? 2N5400 QM? 301R R? P1 P6P4 2N5550 QP? 2N5400 QP? 301R R? 22R1 R? 301R R? M3 2N5550 QP? 100p CM? 1K0 R? 1K0 R? 1K0 R? 470p CM? SGND 1N914 D? 2N5550 QB? 1K74 RB? 4K4

16、2 RB? 2K0 VRA? 2N5400 QM? 1K0 R? 1K0 R? 1K0 R? 470p CP? SGND 100p CP? SGND P3 M2 M4 PX MX 2E3E4E 16E14E15E13E 8E7E6E 12E11E10E9E M1 P5 M5M6 5E DB DD C2 C1 CD E F G 16 15 A 100N CB? T1 T1 RadioFans.CN 收音机爱 好者资料库 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 EE DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR.

17、PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : File :Sheet :ofRev : Drawn : Title : QP1 MJL21193 QP2QP3 MJL21193 QP4 QM8 MJL21193 QM

18、6QM7 MJL21193 QM5 QM9 MJL21194 QM10 QM11 MJL21194 QM12 QP16 MJL21194 QP14QP15 MJL21194 QP13 RE1 0R3 RE2 0R3 RE3 0R3 RE4 0R3 RE16 0R3 RE14 0R3 RE15 0R3 RE13 0R3 RE9 0R3 RE10 0R3 RE11 0R3 RE12 0R3 RE8 0R3 RE6 0R3 RE7 0R3 RE5 0R3 RM10 49R9 RM9 49R9 RP10 49R9 RP9 49R9 +90 -90 OUT QMD MJE15034 QPD MJE150

19、35 P7 M7 QB1 JE182 T SWB T1 T2 B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 JA DP 1N4004 DM 1N4004 RB2 4K99 RB1 4K99 1E P2 RP5 150R CP3220p RM5 150R CM3 220p RP6 1K0 RP7 1K5 QPB 5400 RM6 1K0 RM7 1K5 QMB 5550 QMC 5550 RP8 301R RPP 22R1 + CP4 470/16 + CM4 470/16 QME 5400 RP4 301R P9P4 QPE 5550

20、 QPC 5400 RM4 301R RPM 22R1 RM8 301R M3 RM1 1K0 RM2 1K0 RM3 1K0 CM2 470p SGND QB2 5550 RB3 4K99 RB4 4K99 VRA 1K0 RP1 1K0 RP2 1K0 RP3 1K0 CP2 470p SGND P3 M2 M4 PX MX 2E3E4E 16E14E15E13E 8E7E6E 12E11E10E9E J2 KFE 143-8 J3 KFE 143-8 J4 KFE 143-8 J5 KFE 143-8 P5 M5M9 5E P6 MF PF C F G NC 28B SST POWER

21、BOARD CB1 100N P8 M6 M8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 JB OUT T SWA P2 M1 M3 P1 P3 M2 SGND SGND J1 KFE 143-8 E 14 RadioFans.CN 收音机爱 好者资料库 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 EE DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705)

22、742-0882 WWW.BRYSTON.CA Date : Size : A File :Sheet :of Rev : Drawn : Title : R1 221K C1 .22/250V R9 475R CS 0.1uF/250v Q3 BTB 24800B + C20 OUT IN H1H2H3 28B SST Micro Soft Start PWR SW EXT12V L1 + C19 N2 1 2 3 4 5 J PSLED 1 2 3 4 5 6 7 8 JTXP1 RGS 100R CGS 100N CHS BRG L2 N1 240 X Y 100V BLK BRN WH

23、 GRY YEL 120V BLK BRN GRY YEL WH ORG 220V BLK WH BRN ORG GRY YEL 240V BLK WHT BRN YEL GRY ORG ORG TX1 PRIMARY WIRES NC NCNC NC NC NC NC NC RG1 22R 1468 9111316 RL2 GND LGND DRL 1N4004 T1 T2 T3 1 2 3 4 5 6 7 8 JXTS 1 2 3 4 J MLED H4 632x1/4 H5H6 BR2 DD 1N4004 DC 1N4004 DA 1N4004 DB 1N4004 R4 1K0 DC F

24、ILTER ACH ACL 1 2 5 4 IC5 MOC8100 + C3 100/16 VddVrel 1 2 3 4 5 6 J5 ICSP HEADER Vdd Vpp Vdd ICSP Data ICSP Clock GND CU1100n LOC/REM GND PWR REM MUT Vdd TRD ZCD PWR 20K0 Vrel IC3MOC3052 RU5 499R TRDL2 MUTE F1 D1 1N4004 D4 1N4004 + C2 1000/25 D2 1N4004 D3 1N4004 Q1 PN100 9S 2P 4P 1P 7S GT2GT1 U5 TX2

25、 Q4 LM2931AZ5 1 2 3 4 5 6 7 JEXT +CA 2u2 Q5 LM317LZ LGR LRDRA5 RB6 RB7 IC6 CNY17-4 R2 30K 2W R3 30K 2W D5 1N4004 N2 1P R5 1K5 R6 1K0 Vrel C4 100p MON MON VS1 VS2 LRD LGR MUT ZCD JP2 JP1 LED Green LED Red RST JP3 LAT E1 E2 E3 E4 5A 5C R11 49K9 R7 1K0 R8 2K0 GRN RD TRIG TRIG 10K0 RM Q2 PN100 RA2 1 RA3

26、 2 RA4 3 RA5 4 Vss 5 RB0/INT 6 RB1 7 RB2 8 RB3 9 RB4 10 RB5 11 RB6 12 RB7 13 Vdd 14 RA6 15 RA7 16 RA0 17 RA1 18 IC1PIC16F818 LOC LATVS1 VS2 Vdd POS2 POS1 (local = open) R12 10K RST POS1 POS2 Z RED VIO LOC REM VREL H7 GRN1 RED1 GRN1 RED1 L3 T + CT 22u/10v DT 1N5228 TT + CM 470u/10 DM 1N5228 MMMN JA 1

27、20V 120V 240V VOLTAGE SELECT CHASSIS GND ISOLATOR ZERO CROSS DETECTOR EXT PWR DETECTOR HANDOFF RELAY MUTE CONTROL MOM SW OPT TO LINE VOLTAGE STATUS LED 100V 120V VOLTAGE SELECTOR 220V 240V XX XX A/C OPERATING X = JUMPER JTEST1 2 JAC R8 TX2A N2 1P 4P 2P 7S 7S 9S 9S alternate part 3 1 2 VR1 1KO R5 R6

28、1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 EE DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Dat

29、e : File :Sheet :ofRev : Drawn : Title : H1H2 440 x1/4 PAN HEAD H3 28B LED PWR SW 4 6 5 1 3 2 PSW PWR GND NC 1 2 3 4 5 P1 LGND RED1 GRN1 RG LED 11 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 EE DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (7

30、05) 742-0882 WWW.BRYSTON.CA Date : Size : B File :Sheet :of Rev :Drawn : R44 150K R47 49K9 R45 150K R46 49K9 R33 10K0 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 CMB 100N CPB 100N C31 220p CP2 100N CPA 100N CM2 100N U1A TL064 U1B U

31、1C U1D C30220p U2A U2B 4011 U2C U2D VR2 1K0 LED Q7 100 Q8 100 Q11 5550 Q9 200 Q10 200 Q5 5400 VR1 10K R31 29K4 R32 29K4 R20 4K99 R12 15K0 R13 15K0 R24 4K75 R25 2K21 R6 2K21 R8 100K R7 4K75 RM1 90K9 RP1 90K9 ROF 475K C14220p C910p C10 10p C15 220p R21 100K D7 914 D8 914 RF2 1K00* + CF2 2200u CIN 220p

32、 WB1 +33V -33V C11A 47p RF1 7K15*RL1 10R 3W COUT100N L21uH DIFF COMP BUFF BUFF RMU 4K75 ST H2H3H4H5H6 MUTE X3 28B IN OUT SCHEMATIC DM7 914 DM8 914 12 13 8 9 10 1 2 3 5 6 4 8 9 10 4 7 6 5 1 14 13 12 2 3 11 11 7 14 CC1 220p C+ C- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J2 C11 47p BP1 RLM RL

33、2 10R 3W +15 -15 +15 -33V OUT1OUT2 CFB68p CPA 100N Q7 100 Q8 100 Q11 5550 Q9 200 Q10 200 Q5 5400 VR1 10K R20 4K99 R12 15K0 R13 15K0 R24 4K75 R25 2K21 R6 2K21 R8 100K R7 4K75 RM1 90K9 RP1 90K9 ROF 475K C14 220p C910p C10 10p C15 220p R21 100K D7 914 D8 914 RF2 1K00* + CF2 2200u CIN 220p WB2 +33V -33V

34、 C11A 47p RF1 7K15* RL1 10R 3W COUT 100N L21uH RMU 4K75 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J2 C11 47p BP4 RL2 10R 3W -33V OUT1OUT2 CFB68p QB1 100 QB2 100 QB6 100 QB5 200 QB4 200 QB3 200 QB8 172 QB7 182 RB5 15K RB6 100K RB10 150R RB11 150R RB7 15K RB8 100K RB9 150R RB12 68R RB13 68R D

35、B3 914 DB4 914 DB1 914 DB2 914 RB1 3K48 R-IN2 10K00* RIN2 10K00* CF4 47p CB3 100N RO2 1K54 +33V -33V 1 2 3 JBAL SW1 INPUT SW2 2V GAIN 1V RIN1 10K00* RF5 10K00* RF6 10K00* QB1 100 QB2 100 QB6 100 QB5 200 QB4 200 QB3 200 QB8 172 QB7 182 RB5 15K RB6 100K RB10 150R RB11 150R RB7 15K RB8 100K RB9 150R RB

36、12 68R RB13 68R DB3 914 DB4 914 DB1 914 DB2 914 RB1 3K48 R-IN1 10K00* RIN2 10K00* CF4 47p CB3 100N RO2 1K54 +33V -33V RIN1 10K00* RF4 10K00* RF3 10K00* R03 1K21 R03 1K21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J3 CRL 10N DRL 914 +33V RL3 100R +1 +2 +3 +4 -1 -2 -3 E1 E2 S1 S2 S3 S4 E3 E4 A

37、1 E5 E6 D1 D2 JS1 SE A3A5 A6 A7 A8 A9 A10 A11A12 A15 A16 17 18 F2F1 F3 P2 T1 X3 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16RED C18C19 C20 GRN +15 FB RO1 221R RO1 221R A5 A10 A2 +33V DP2 1N4744 DM2 1N4744 +15 -33V+33V RP2 1K0 RM6 1K0 -15 CSE 470p +3 -3 FB A1 S1 S2 E1 E2 E3 E4 D1 D2 S3 S4 A

38、2 A3 +4 E5 E6 F1F2 F3 A10 A8 A6 A7 A9 A16 A12A11 A15 17 18 A5 BP3 BP2 CMM 47N CMM 47N H1 M1 P1 P1 M1 A17 -33V CMA 100N CMA 100N CPB 100N CMB 100N CP 100N CM 100N CP4 100N Q6 5550 CM1 68p Q12 5400 CP1 68p M1 M3 P1 P3 SGND M2 A17 SGND SGND Q6 5550 CM1 68p Q12 5400 CP1 68p P2 P3 M2 M3 M1 P1 T2 SGND SEC

39、TION B SECTION A SGND SGND RIN3 10K00* RIN3 10K00* 33 33 MUTE MUTE C1A 47/6.3np C1B 47/6.3np -2 +2 VR3A 1K0 VR3B 1K0 R3B 475R R3A 475R V V A A Dx 914 Dy 914 CX+ 470p RIN- 100R RIN+ 100R CX- 470p RIN 100R + Dx 914 Dy 914 - + 1 2 3 G + - P1 + - GND BAL IN PCB CLIPPING INDICATOR ECO 956 - Oct 2, 2007 L

40、2 changed to 1uH - pn - cc120-1M CP1,CP1 and CM1,CM1 changed to 68pF - pn - ca680G25COGH63J5 28BSST IN OUT SCH R5 5 Oct 2, 2007 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 EE DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTO

41、N.CA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : File :Sheet :ofRev : Drawn : Title : 1650-21650-2 28B EXT POWER R1 NC OUT IN EXT12V T1 T2 T3 LOC/REM DGND 1 2 3 4 5 6 7 JEXT LGR LRD LED Green LED Red (local = open) 2

42、1 3 S1 LOCAL/REMOTE 1 2 3 4 J1 RG status led P3 11 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 EE DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ON. CANADA K9J 7Y4 PHONE (

43、705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : File :Sheet :ofRev : Drawn : Title : + 77B 22,000u/80v CP1 28B-10,000u/100v + CP2 + CP3 + CP4 + CP5 + CM1 + CM2 + CM3 + CM4 + CM5 + CP6 + 77B 22,000u/80v CM6 28B-10,000u/100V +VB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J3 H1H2H3H4H5H6

44、 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 JB1 + CP7 + CM7 + CP8 + CM8 -VA +VA RB1 20K RB2 20K RB3 20K RB4 20K -VB ACL ACH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 JB2 QP1 MJE15030 DP3 4004 RP1 3K83 DP4 1N4759 QM1 MJE15031 DM3 4004 RM1 3K83 CR1 100N RRM 10R -62v QM2 MJE15031 DM5 4004 RM2 2K80 DM6 1N5257 -33v R

45、RM1 10R CR3 100N RRP 10R RRP1 10R CR5 100N CR7 100N QP2 MJE15030 DP5 4004 DP6 1N5257 RP2 2K80 +33V +62V CR4100N CR8 100N DM1 4004 DM2 4004 DP1 4004 DP2 4004 DM7 4004 DP7 4004 1 2 4 5 6 7 8 10 11 12 1 2 3 4 JLED RED GRN MUT -VA -VB +VA +VB CT1 NC NC1NC2 AC1 AC2 + - BRA MUT ACH ACL CA1 10N CA4 10N CA2 10N CA3 10N AC1 AC2 + - BRB CB1 10N CB4 10N CB2 10N CB3 10N CR2 100N CR6 100N + CR9 100/50 + CR10 100/50 28B POWER SUPPLY PSB R3 77B - 1N4756A 77B - 1N4756A DM4 1N4759 15