Nobels_guitarmycro 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 1REHOV?(OHFWURQLFV Barnerstrasse 42, 22765 Hamburg, Germany - email: 1 Guitar Mycro 8 27-Jan-200019:17:29 R:$PROHPMYCRODSGNGM_R8.SCH Title Size: Number: Date: File: Rev: Sheetof Time: A5 CIRCUIT DIAGRAM (c) Copyright 1997 - ALL RIGHTS RESERVED All unspecified

2、capacitors in uF, resistors carbon 5% INSTR.INPUT PHONES OUTPUT 1) NORMAL 2) OVERDRIVE 3) DISTORTION 2) LO-VOLUME 1) POWER-OFF 3) HI-VOLUME V- V+ V- V- V+ V-V-V+ V-V-V- V- V- V+ V- V- V- V+ V-V- V- V- 2 4 1 J1 J8003 3 4 2 1 SW1A 3P-2C R3 4K7 R1 220K 7 8 6 5 SW1B 3P-2C + 6 - 4 IN- 2 IN+ 3 GN1 1 GN2 8

3、 OUT 5 BYP 7 U2 LM386 7 8 6 5 SW2B 3P-2C B1 9V R7 10K R8 10K C13 0.1 C1 2N2 C8 1N C10 56N C2 2.2 C4 1 C9 2.2 C12 100 C14 220 R11 4K7 R4 4K7 C7 3N3 12 D3 1N4148 12 D2 1N4148 C5 470P C3 27N 3 21 Q1 2240 BL C15 47 R2 1M R9 68K 3 4 2 1 SW2A 3P-2C C11 1N5 R12 470K R13 100K R14 12K R15 6K2 R16 10 R17 10 R18 10 R19 27K R20 27K 12 D1 1N4001 C6 10N R10 100K R6 12K R51M 7 6 8 9 U1B 4558S 3 4 2 15 U1A 4558S 2 3 1 J2 J352S 收音机爱好者资料库 Ra d i o Fa n s .CN