Shure-M62 preamp 电路图.pdf

222 HARTREY AVE ? EVANSTON, ILL. (60204) U.S.A. DATA SHEET AREA CODE 312/328-9000 ? CABLE SHUREMICRO MODEL M62 AUDIO LEVEL CONTROLLER CIRCUIT DIAGRAM I ITEM SHURE PART NO. DESCRIPTION Q1, Q2, Q3, Q4 86A327TRANSISTOR Q586A325TRANSISTOR Q686A329FET TRANSISTOR D1 86A405GERMANIUM DIODE D2, D3, D486A403SILICON DIODE T1, T2 51A38TRANSFORMER NOTES: 1. ALL CAPACITORS IN MFD UNLESS SHOWN OTHERWISE AND WORKING VOLTAGES OVER 100 UNLESS SHOWN. 2. ALL RESISTORS 10% TOLERANCE. 3.THE SELECTED RESISTOR IS CHOSEN TO ADJUST POINT WHERE REGULATING ACTION STARTS TO CORRESPOND TO DISTANCE SELECTOR SWITCH SETTINGS. MODEL M62 AUDIO LEVEL CONTROLLER AL331 (4-68) 27A514 Copyright 1968, Shure Brothers, Inc.Printed In U.S.A. RadioFans.CN 收音机爱 好者资料库