Roland BA-330 Pwr Sup & Amp Bd 电路图.pdf

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1、35 Nov. 2009BA-330 fig.d-main-4.epsR RadioFans.CN 收音机爱 好者资料库 36 Nov. 2009BA-330 Circuit Board (PS-Amp Board) fig.b-amp-e.eps If the serial number is between ZY60150 and ZY71669, a component before design change is mounted at F5. Change it to 5100009920 0603FA2.5-R. After changing, make a mark at num

2、ber 1. RadioFans.CN 收音机爱 好者资料库 37 Nov. 2009BA-330RadioFans.CN 收音机爱 好者资料库 38 Nov. 2009BA-330 Circuit Diagram (PS-Amp Board: 1/2) fig.d-amp-1-e.epsL 39 Nov. 2009BA-330 fig.d-amp-1-e.epsR If the serial number is between ZY60150 and ZY71669, a component before design change is mounted at F5. Change it to 5100009920 0603FA2.5-R. Refer to the figure of circuit board for detail. 40 Nov. 2009BA-330 Circuit Diagram (PS-Amp Board: 2/2) fig.d-amp-2-e.epsL The starting point for the VCC +12 inner layer The starting point for the DGND inner layer 41 Nov. 2009BA-330 fig.d-amp-2-e.epsR