Marshall_marshall_mhz40c 电路图维修原理图.pdf

上传人：cc518

文档编号：178561

上传时间：2024-07-31

格式：PDF

页数：6

大小：161.46KB

《Marshall_marshall_mhz40c 电路图维修原理图.pdf》由会员分享，可在线阅读，更多相关《Marshall_marshall_mhz40c 电路图维修原理图.pdf（6页珍藏版）》请在收音机爱好者资料库上搜索。

1、1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 16 PRE-AMP MHZ40C-60-022 07/05/2009 J:MD11-OEMMHZ40C-60-02-1-ISS2.SchDoc TITLE DWG. No. Date: File: ISSSheet of C MARSHALL AMPLIFICATION PLC TEL (01908) 375411 FAX (01908) 376118 DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ. MHZ40C-60-02 DWG. No. DIMENS

2、IONS IN TOLERANCE (UNLESS OTHERWISE STATED) MODEL mm MHZ40C MATERIAL MATERIAL THICKNESS DRAWN CHECKED APPROVED HG JL LV DATE DATE DATE 20FEB08 06MAY09 06MAY09ISSECO NUMBERDATE HOLE DIA = +/- 2317106MAY09 DIMENSIONAL = +/- Earth Washer T S JS7 100n 63V C58 22u 50V + C20 6 7 8 A K G V1B ECC83-A ECC83-

3、A 1 2 3 A K G V1A ECC83-A 6 7 8 A K G V2B ECC83-A 1 2 3 A K G V2A 47p 50V C72 220p 500V C21 0.5W 100K R22 330p 50V C61 0.5W 100K R59 1u 100V + C35 470p 500V C75 220p 50V C73 GND GND GND GND GAIN1 PREAMP_SIG PREAMP_HT 0.5W 100K R38 0.5W 100K R118 NORMAL VOLUME OVERDRIVE GAIN TREBLE BASS MIDDLE OVERDR

4、IVE MASTER VOLUME 22n 400V C37 22n 400V C68 22n 400V C71 4n7 400V C29 GND GND 5 6 4 SW3B 2 3 1 SW3A 8 9 7 SW3C 11 12 10 SW3D GND A1M VR5 A1M VR6 A1M VR10 B25K VR9 B250K VR8 MUTE1 MUTE1 10K 2W R19 10K 2W R18 MUTE2 47p 50V C45 1 P4 1 P3 1 P1 1 P2 1M 0.25W R27 820R 0.25W R23 22K 0.25W R40 2M2 0.25W R83

5、 2M2 0.25W R102 2M2 0.25W R85 470K 0.25W R88 470K 0.25W R44 470K 0.25W R84 150K 0.25W R103 33K 0.25W R119 1M 0.25W R108 47K 0.25W R45 820R 0.25W R98 820R 0.25W R55 22K 0.25W R41 10K 0.25W R65 100K 0.25W R66 2M2 0.25W R77 220K 0.25W R70 10M 0.25W R87 D S G TR5 J175 1N4148 D14 DPDT +12V P12 RL2B DPDT

6、+12V P12 RL1C DPDT +12V P12 RL3B DPDT +12V P12 RL2C DPDT +12V P12 RL3C 100n 100V C38 100R 0.6W R86 1n 100V C44 + 22u 450V C67 + 22u 450V C70 220p 500V C81 33K 0.25W R68 330K 0.25W R28 A1M VR7A A1M VR7B 220p 50V C40 2n2 100V C43 220p 50V C77 1M 0.25W R63 3M3 0.25W R61 10M 0.25W R122 N-C !SAFETY CRITI

7、CAL COMPONENT REPLACE ONLY WITH SAME TYPE & RATING ! ! FLAMEPROOF FLAMEPROOF NF C48 1 MH1 100K 0.25W R31 NOT FITTED NF C25 NOT FITTED NOT FITTED NF 0.6W R30 收音机爱好者资料库 Ra d i o Fa n s .CN 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 26 FX LOOP MHZ40C-60-022 07/05/2009 J:MD11-OEMMHZ40C-60-02-2-ISS2.Sch

8、Doc TITLE DWG. No. Date: File: ISSSheet of C MARSHALL AMPLIFICATION PLC TEL (01908) 375411 FAX (01908) 376118 DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ. MHZ40C-60-02 DWG. No. DIMENSIONS IN TOLERANCE (UNLESS OTHERWISE STATED) MODEL mm MHZ40C MATERIAL MATERIAL THICKNESS DRAWN CHECKED APPROVED HG

9、 JL LV DATE DATE DATE 20FEB08 06MAY09 06MAY09ISSECO NUMBERDATE HOLE DIA = +/- DIMENSIONAL = +/- 1 2 3 4 5 6 7 8 9 10 11 12 CON4 100n 250V C57 1W 47K R89 2u2 100V + C56 1u 450V + C65 22u 50V + C59 100u 35V + C54 100u 35V + C53 22p 50V C62 DGND GND FXC2 FX_RESET FXC1 FXC0 5V 200V LV 200V GND EXT_FX_OU

10、T EXT_FX_RET PREAMP_SIG PWR_AMP_IN GND 0.5W 220K R91 EMUL_OUT 10u 100V + C66 PREAMP_HT 22n 400V C60 22n 400V C64 RED LED1 RED LED2 GND 1N4749A-24V D27 1u 450V + C47 47K 2W R73 4M7 0.25W R81 4M7 0.25W R90 10M 0.25W R100 10M 0.25W R101 470K 0.25W R99 2K2 0.25W R97 47K 0.25W R115 10K 0.25W R117 1K 0.25

11、W R112 1M 0.25W R78 1M 0.25W R74 2K2 0.25W R116 2K7 0.25W R94 10K 0.25W R114 330R 0.25W R113 TR11 MPSA06 TR15 MPSA06 D S G TR10 TN2404 D S G TR12 J202 D S G TR8 TN2404 SPCO +12V JRC23F+12V RL4B + 22u 450V C49 23171 06MAY09 100K 0.25W R72 3K9 0.25W R64 10K 0.25W R69 470n 63V C55 33K 0.25W R79 ! FLAME

12、PROOF !SAFETY CRITICAL COMPONENT REPLACE ONLY WITH SAME TYPE & RATING 22K 0.25W R150 1N4744A-15V D25 1N4744A-15V D26 33K 0.6W R95 4K7 0.25W R96 470K 0.25W R93 47K 0.25W R71 TO FX CARD 收音机爱好者资料库 Ra d i o Fa n s .CN 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 36 POWER AMP MHZ40C-60-022 07/05/2009 J:MD

13、11-OEMMHZ40C-60-02-3-ISS2.SchDoc TITLE DWG. No. Date: File: ISSSheet of C MARSHALL AMPLIFICATION PLC TEL (01908) 375411 FAX (01908) 376118 DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ. MHZ40C-60-02 DWG. No. DIMENSIONS IN TOLERANCE (UNLESS OTHERWISE STATED) MODEL mm MHZ40C MATERIAL MATERIAL THICKN

14、ESS DRAWN CHECKED APPROVED HG JL LV DATE DATE DATE 20FEB08 06MAY09 06MAY09ISSECO NUMBERDATE HOLE DIA = +/- 2317106MAY09 DIMENSIONAL = +/- 5 1 3 4 G1 G2 G3 A 7 K V4A EL34SL 5 1 3 4 G1 G2 G3 A 7 K V5A EL34SL 10u 100V + C11 10u 100V + C24 10u 100V + C23 47K VR2 47K VR1 ECC83-A 1 2 3 A K G V3A ECC83-A 6

15、 7 8 A K G V3B 0.5W 82K R46 0.5W 100K R53 100n 63V C76 47p 500V C42 100n 400V C41 100n 400V C36 100n 400V C30 470R 5W R57 PREAMP_HTB3-5 PWR_AMP_IN A3-5 OUTPUT TX GND GND GND GND BIAS2 BIAS1 SIG_NFB SIG_PI_1 SIG_PI_2 PRESENCE GND 47u 500V + C31 22n 400V C33 1N5408 D17 1N5408 D18 B25K VR11 MUTE3 MUTE4

16、 10u 100V + C12 1K 5W R56 1K 5W R58 1 2 3 CON3 39mV GP02-30 D10 GP02-30 D8 BIAS PIN1,3 47K 0.25W R104 47K 0.25W R9 47K 0.25W R8 5K6 0.25W R13 10K 0.25W R21 5K6 0.25W R50 220K 0.25W R49 220K 0.25W R36 1M 0.25W R24 1M 0.25W R25 33K 0.25W R5 470R 0.25W R20 33K 0.25W R6 5K6 0.25W R39 1R 0.25W R42 1R 0.2

17、5W R26 1N4007P D7 1N4007P D13 1N4007P D9 DPDT +12V P12 RL1B 1 W6 1 W7 1 W8 1 W15 100n 100V C34 10K 2W R62 + 22u 450V C14 1K 0.25W R29 PART OF TXOP-90006 ! SAFETY CRITICAL COMPONENT REPLACE ONLY WITH SAME TYPE & RATING TFRTFJF8 ! FLAMEPROOF 1 2 CON6 150K 0.25W R16 150K 0.25W R11 2K2 0.25W R126 GND GN

18、D ! NF C84 NF C85 NF C86 NOT FITTED NOT FITTED NOT FITTED TO CON1 SHT 4 0F 6 CONTINUED ON SHT 4 OF 6 TO CHASSIS GROUND 收音机爱好者资料库 Ra d i o Fa n s .CN 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 46 REAR PANEL PCB MHZ40C-60-022 07/05/2009 J:MD11-OEMMHZ40C-60-02-4-ISS2.SchDoc TITLE DWG. No. Date: File:

19、ISSSheet of C MARSHALL AMPLIFICATION PLC TEL (01908) 375411 FAX (01908) 376118 DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ. MHZ40C-60-02 DWG. No. DIMENSIONS IN TOLERANCE (UNLESS OTHERWISE STATED) MODEL mm MHZ40C MATERIAL MATERIAL THICKNESS DRAWN CHECKED APPROVED HG JL LV DATE DATE DATE 20FEB08 0

20、6MAY09 06MAY09ISSECO NUMBERDATE HOLE DIA = +/- 2317106MAY09 DIMENSIONAL = +/- T S JS5 T S JS4 SPEAKER OUTPUTS EMULATED OUTPUT FOOTSWITCH SEND FX LOOP ENABLE RETURN SPK_GND 16 Ohm 8 Ohm 5 4 6 SW1B 2 1 3 SW1A 16 Ohm 8 Ohm 0 Ohm emul_gnd send_gnd ret_gnd !SAFETY CRITICAL COMPONENT REPLACE ONLY WITH SAM

21、E TYPE & RATING ! BEAD FERR4 BEAD FERR1 CHASSIS 100n 63V C6 220R 5W R4 T500mAE FS1 Earth Washer T S JS6 Earth Washer T S JS2 Earth Washer T S JS3 Earth Washer R S T JS1 10K 0.25W R2 BEAD FERR2 BEAD FERR3 BEAD FERR5 BEAD FERR6 1 W1 1 W2 100n 100V C5 100n 100V C3 100n 100V C2 100n 100V C1 1 W3 1 W4 1

22、W5 100R 0.6W R3 1n 100V C8 1n 100V C9 250V 3K9 0.25W R125 PART OF TXOP-90006 ! TFRTFJF8 1 2 CON1 1 2 3 4 5 6 7 8 9 10 11 12 CON2 100p 50V C7 NF C4 R1 Link NOT FITTED TO CON5 SHT 6 OF 6 CONTINUED ON SHT 3 OF 6 TO CON6 SHT 3 0F 6 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 56 POWER SUPPLY MHZ40C-60-02

23、2 07/05/2009 J:MD11-OEMMHZ40C-60-02-5-ISS2.SchDoc TITLE DWG. No. Date: File: ISSSheet of C MARSHALL AMPLIFICATION PLC TEL (01908) 375411 FAX (01908) 376118 DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ. MHZ40C-60-02 DWG. No. DIMENSIONS IN TOLERANCE (UNLESS OTHERWISE STATED) MODEL mm MHZ40C MATERIA

24、L MATERIAL THICKNESS DRAWN CHECKED APPROVED HG JL LV DATE DATE DATE 20FEB08 06MAY09 06MAY09ISSECO NUMBERDATE HOLE DIA = +/- 2317106MAY09 DIMENSIONAL = +/- 0.5W 100R R76 47n 630V C10 5V GND DGND 12VHTR AC_PWR_DET GND 6.3 VAC 12.6 VAC 305 VAC A3-5 B3-5 CENTRE TAP O/P TX GND 47u 500V + C15 4 9 5 AH BH

25、CH V1C ECC83-A 4 9 5 AH BH CH V2C ECC83-A 4 9 5 AH BH CH V3C ECC83-A DGND 12VHTR + 1000u 16V C17 LV H1 2 H2 6 V4B EL34SL H1 2 H2 6 V5B EL34SL AC_HTR2 AC_HTR1 !SAFETY CRITICAL COMPONENT REPLACE ONLY WITH SAME TYPE & RATING ! 500WV500WV UF4007 D1 UF4007 D3 UF4007 D2 UF4007 D4 2R2 2W R82 15R 5W R10 12V

26、 BEAD FERR8 + 220u 35V C80 + 220u 35V C79 100n 630V C13 100n 630V C16 + _ KBP202 BR1 470R 0.25W R120 470R 0.25W R121 IP 1 OP 3 GND 2 L7805+HSKREG2 1N4007P D5 0.5W 1M R7 0.5W 1M R12 1 W13 1 W11 1 W12 1 W9 1 W10 1 W14 1 W16 1 W17 100n 100V C46 100n 100V C74 100R 0.6W R14 100R 0.6W R15 IP 1 OP 3 GND 2

27、MC7812CT-HSKREG1 100n 63V C82 DWG. No. MAINS TX L E N Switch 120V-T2AE 250V 230V-T1AE 250V MAINS I/P SCHURTER 6200-4115 ARCOLECTRIC 230V - C1353PTNAE 100V/120V/130V- C1353PTNAF ! ! !SAFETY CRITICAL COMPONENT REPLACE ONLY WITH SAME TYPE & RATING 120V - TXMA-90033 - TFRTFHT8 230V - TXMA-90032 - TFRTFH

28、P8 100V - TXMA-90034 - TFRTFHX8 130V - TXMA-90042 - TFRTFJG8 ! ! FLAMEPROOF 4700u 25V + C69 + 10u 100V C87 + 10u 100V C88 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 66 DIGITAL CIRCUIT DIAGRAM MHZ40C-60-022 07/05/2009 J:MD11-OEMMHZ40C-60-02-6-ISS2.SchDoc TITLE DWG. No. Date: File: ISSSheet of C MARS

29、HALL AMPLIFICATION PLC TEL (01908) 375411 FAX (01908) 376118 DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ. MHZ40C-60-02 DWG. No. DIMENSIONS IN TOLERANCE (UNLESS OTHERWISE STATED) MODEL mm MHZ40C MATERIAL MATERIAL THICKNESS DRAWN CHECKED APPROVED HG JL LV DATE DATE DATE 20FEB08 06MAY09 06MAY09ISSE

30、CO NUMBERDATE HOLE DIA = +/- 2317106MAY09 DIMENSIONAL = +/- 100n 63V C63 100n 63V C52 100n 63V C32 100n 63V C50 100n 63V C39 OVERDRIVE BOOST SELECT CHANNEL SELECT GND EXT_FX_OUT EMUL_OUT EXT_FX_RET 5V 47u 100V + C28 47u 100V + C19 DGND DGND DGND 12V DGND DGND 22p 50V C27 22p 50V C26 FX_RESET FXC0 FX

31、C1 FXC2 DGND DGND DGND DGND 12V Fx BYPASSMUTEOD BOOST CHANNEL RELAY OD_SW CH_SW MUTE 5V DGND 12V DGND 12V 5V 4u7 63V + C51 FX_SEL AC_PWR_DET 5V FX_LP_EN FX_ADJ CH_SEL_RLY OD_BOOST_RLY FX_GRN FX_RED B10K VR4A B10K VR3B B10K VR3A B10K VR4B 100n 63V C78 DGND DGND REVERB LEVEL FX LEVEL FX ADJ DGND GAIN1

32、 AC_D DGND RELAYRELAYRELAY SELECT A5V A5V 2 3 1 SW4A 8 9 7 SW4C 1N4624-4V7 D16 1N4624-4V7 D19 1N4624-4V7 D11 B10K VR12 100n 63V C22 DGND 2 1 3 SW2A 5 4 6 SW2B ORANGE GREEN LED3 1N4148 D22 1N4148 D23 1N4148 D24 1N4148 D61N4148 D15 1N4148 D20 1N4148 D21 1N4148 D12 MPSA06 TR4 MPSA06 TR1 MPSA06 TR9 MPSA

33、06 TR13 MPSA06 TR3 MPSA06 TR7 10K 0.25W R111 10K 0.25W R52 10K 0.25W R34 10K 0.25W R17 10K 0.25W R80 10K 0.25W R67 10K 0.25W R32 4K7 0.25W R37 4K7 0.25W R51 10K 0.25W R92 1K 0.25W R48 1K 0.25W R47 1K 0.25W R106 1K 0.25W R107 27K 0.25W R54 220K 0.25W R60 1M 0.25W R3312 4Mhz X1 PC3 26 PD1 3 PB3 17 PB2

34、 16 PB1 15 PD5 11 PB4 18 PB5 19 PC0 23 PC1 24 PC5 28 PB0 14 GND 8 PD0 2 VCC 7 GND 22 PD7 13 PD6 12 PB6 9 PB7 10 PC4 27 PC2 25 PD2 4 PD3 5 PD4 6 AREF 21 PC6 1 AVCC 20 ATMEGA8 IC2 SH_CP 11 DS 14 Q1 1 Q0 15 Q7 9 Q7 7 Q6 6 Q5 5 Q4 4 Q3 3 Q2 2 ST_CP 12 MR 10 OE 13 VCC 16 GND 8 74HC595 IC1 D S G TN2404 TR

35、6 SPCO +12V +- JRC23F+12V RL4A DPDT +12V +- P12 RL1A DPDT +12V +- P12 RL2A DPDT +12V +- P12 RL3A 100R 0.6W R43 330R 0.6W R105 + 10u 100V C18 1K 0.25W R110 100n 63V C83 A5V 1K8 0.25W R123 1K 0.25W R124 10K 0.25W R75 330R 0.6W R351 2 3 4 5 6 7 8 9 10 11 12 CON5 10R 0.25W R127 220p 50V C89 TO CON2 SHT 4 OF 6