Crate_Powerblock_150W_Class_D_Power_Amp_(06S359)_Schematic电路图.pdf

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1、2 3 4 AB AND 10 MEGOHM DIGITAL VOLTMETER. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. TOUCHING INTERNAL PARTS. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THIS UNIT CONTAINS HAZARDOUS VOLTA

2、GE. DISCONNECT POWER 1) CAUTION: SHOCK HAZARD! NOTES: THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: 1 BAC C REVDate

3、DESCRIPTION Checked: Drawn: Released: Signatures: Drawing Type: Schematic Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO ST. LOUIS MUSIC, INC Drawing Size: Plot Time: Plot Date: Tolerance: 0 05/23/05 WFB CONTROL ISSUE Wed Mar 09, 2005 07:33:07 Drawing Number: of Drawin

4、g Title: D B NONE 11 Date: First Used On: 9/01/04 11880 Borman Drive, St. Louis, MO 63146 06S359 Ecr(s)/Ecn(s)Chgd By Appvd byDate 150W CLASS D PWR AMP 4 2 3 1 D IN2+ IN- VDDA IN2- IN2+ VSSP VDDP VDDPVSSP OUT1+ IN2- IN+ MODE VSS 1 2 3 4 J2 VDD OUT2- 1 2 3 4 J3 VSS C7 .1 VDD 470 35 V C2 FERRITE L2 FE

5、RRITE L1 VSSP 22 63 V C8 VDDP IN- IN+ VDDA C36 .1 C10 .1 VDDA .1 C32 C12 .1 30.1K R5 1/10 W 1% VSSA VSSP C38 .1 VDDP VSSP C14 .1 .1 C13 .015 C23 C22 .015 VDDP 220 pF C25 10 1/8 W R11 VSSP OUT2- C27 .47 uF .47 uF C26 1 2 3 4 5 6 7 J1 .1 C6 OUT1+ TO MAIN BOARD 470 35 V C1 TO OUTPUT BOARD VSSA C37 .1 5

6、231B 5.1V D1 C11 220 pF 220 pF C24 VSSA 22 63 V C3 47 35 V C5 R1 10 1/8 W C39 .1 C34 .1 220 pF C33 220 pF C21 220 pF C20 .1 C9 C15 .1 MODE R3 39K 1/10 W 220 pF C35 27 uH 5.6A max 20OHM L6 27 uH 5.6A max 20OHM L5 10 1/8 W R10 47 35 V C4 R2 10 1/8 W VSSA 10 VddA1 3 VddA2 1 VssA2 24 VssD 6 MODE 19 SUB/VssD 14 VddP1 23 VddP2 17 VssP1 20 VssP2 12 VssA1 7 OSC 18 STABI 13 PROT 4 IN2- 5 IN2+ 9 IN1- 8 IN1+ 21 OUT2 16 OUT1 2 SGND2 11 SGND1 22 BOOT2 15 BOOT1 IC1 TDA8920B RadioFans.CN 收音机爱 好者资料库