Nobels_odrb_overdrivebass 电路图 维修原理图.pdf

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1、123456 A B C D E F 654321 F E D C B A 1 ?25C?5USdb_YSc Barnerstrasse 42, 22765 Hamburg, Germany - email: 1 Bass Overdrive / ODR-B 3 4-Feb-2000 18:18:14 R:$PROPEDSDSGNODR-BODR-B_SM.SCH Title Size: Number: Date: File: Rev: Sheetof Time: A4 Main PCB All unspecified capacitors in uF, resistors carbon 5%

2、All rights reserved - Copyright NOBELS Electronics OUTPUT LEVEL DRIVE Power BYPASS INPUT XON XOFF XOFF PON PON XON XON V+ V+ V- V- V- V- V- V- V+ V-V-V-V- V+ V- V- V- V- V+ V+ V-V-V- V-V-V- V- V- V+ V- V+ V- V+ V- V- V-V- V-V- V- V+ V- C101 1N 5 4 1 J4 J7001 2 1 B1 SNAP C43 3.3 C11 22N R29 2K2 C202

3、100 C22 82N C21 2N7 C27 8N2 C104 47N C106 47N C40 1 R28 20K C23 1N C31 8N2 3 4 2 15 U1A 4558S C32 1 C14 120P 3 2 1 J3 J8004 12 D201 4001 C201 220 12 D6 4148 3 2 1 J1 J8004 3 2 1 J2 J8004 3 21 Q4 K222E 7 6 8 9 U1B 4558S 1SP 2 1DP 1 1A 3 1DN 5 1SN 4 VDD 14 2DP 13 2A 6 2DN 8 VSS 7 3SP 11 3A 10 3Y 12 3S

4、N 9 U101 4007 C102 10N 3 21Q6 K30A-Y 5 4 6 SW101B SW2204 2 1 3 SW101A SW2204 C24 22N C25 560P C13 2.2C12 82N 3 21 Q2 C2362G 3 21 Q7 K30A-Y C203 47 3 4 2 15 U2A 4558S 3 21 Q5 K222E C105 47N 7 6 8 9 U2B 4558S 1 2 JP3 SIP2 C20 2.2 C30 2.2 C41 1 C42 1 C3 68N C10 0.1 3 21 Q1 K222E R33 20K C33 220P C1 47N

5、 C34 27N C35 33 C36 22N 3 21 Q3 C2362G 1 2 3 JP5 SIP3 1 2 3 JP4 SIP3 1 2 JP6 SIP2 C2 1 1 2 JP2 SIP2 R2 1M R4 330K R107 1M R5 330K R12 820 R13 1K5 R11 10k R20 12K R30 150K R31 3K3 R26 1K2 R25 5K1 R24 43K R22 12K R21 39K R32 4K7 R36 510 R37 510 R39 1K5 R35 3K3 R45 150K R42 330K R108 1M R104 1M R203 10

6、0 R102 100K R101 470K R6 200K R7 10K R40 330K 12 D2 4148 12 D1 4148 12 D7 4148 12 D101 4148 12 D5 4148 R1 33K R3 3K9 R23 10K R34 7K5 R103 100K R43 150K R10 2K7 12 D3 4148 12 D4 4148 R109 1M R41 330K R38 120K R201 10K R202 10K C204 220 C26 82N R110 47K DRIVE R14 1K8 1 2 JP3 SIP2 13 2 P11 V12H 500KA green low-cur. V- R105 1K5 D102 LED 1 2 JP2 SIP2 BASS 1 2 JP6 SIP2 13 2 P31 V12H 10KC TREBLEMID V- 1 2 3 JP4 SIP3 13 2 P22 V12H 50KB 13 2 P21 V12H 50KB C28 33N LEVEL 1 2 3 JP5 SIP3 13 2 P41 V12H 50KA Control PCB 收音机爱好者资料库 Ra d i o Fa n s .CN