MarkLevinson-380-buf-sch维修电路原理图.pdf

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1、123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:24- Feb- 2005Sheet of File:D:正式的PCB文件mark380s.ddbDrawn By: Iout 2 Rfb 3 Vref 4 C?A DAC8222- A Iout 24 Rfb 23 Vref 22 C?B DAC8222- B R? 100 R? 100 C? 220p - 2 + 3 Out 6 IC?A OPA6272 1 3 IC?A ADG411 R? 1K R? 330 R? 2K R? 100 R? 100 C? 220p

2、- 2 + 3 Out 6 IC?A OPA627 R? 1K R? 330 R? 2K 6 1 7 IC?B ADG411 11 9 10 IC?C ADG411 14 16 15 IC?D ADG411 - 2 + 3 Out 1 IC?A OPA2604- A - 6 + 5 Out 7 IC?B OPA2604- B R? 2K R? 2K R? 2K R? 2K R? 1K R? 1K R? 1K R? 1K R? RES1 R? - 2 + 3 Out 1 IC?A AD823- B - 2 + 3 Out 1 IC?A AD823- A R? 100 R? 100 C? 100p

3、 C? 100p InOut Output buffer output stage.sch InOut Output buffer output stage.sch R? 100 R? 100 R? 100 R? 100 C? 100p C? 100p R? 1Meg R? 1Meg R? 10K R? 10K C? 0.1u - 2 + 3 Out 1 IC?A OPA2604- A C? 0.47u R? 1Meg R? 1Meg R? 10K R? 10K C? 0.1u C? 0.47u - 6 + 5 Out 7 IC?B OPA2604- B RadioFans.CN 收音机爱 好者资料库