JBL-GSUB10-sub-sm 电路图 维修手册.pdf

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1、Reformatted for PDF 3/99 RadioFans.CN 收音机爱 好者资料库 Powered Subwoofer GSUB10 1 RadioFans.CN 收音机爱 好者资料库 Powered Subwoofer GSUB10RadioFans.CN 收音机爱 好者资料库 Powered Subwoofer GSUB10 Powered Subwoofer GSUB10 4 Powered Subwoofer GSUB10 5 Powered Subwoofer GSUB10 7 Powered Subwoofer GSUB10 Powered Subwoofer GSU

2、B10 9 Input & Control PCB Assembly Power Supply & Power Amp PCB Assembly E E D D C C B B A A 7 7 6 6 5 5 4 4 3 3 2 2 1 1 PRINTED CIRCUIT BOARDS Powered Subwoofer GSUB10 10 E E D D C C B B A A 7 7 6 6 5 5 4 4 3 3 2 2 1 1 PRINTED CIRCUIT BOARD erm n l Assembly Powered Subwoofer GSUB10 11 Powered Subwo

3、ofer GSUB10 GSUB10 SCHEMATIC DIAGRAM SIGNAL PATH SIGNAL PATH NOTE: REDRIVE VOLTAGES ARE SHOWN WITH NO LOAD AND NO SIGNAL 0V 0V 0V 0V 0V 0V +15V -15v 0V 0V 0V 0V 0V 0V -15V +15V 0V 0V 0V 0V 0V -15V 0V +15V 0V 0V 0V +15V -15V -15V +0.5V +0.3V 0V 0V 0V 0V +39.6V +39V +2.7V +42.2V +42.8V +1.2V +1.2V +42

4、.9V 43.0V +0.6V +0.6V -0.6V -0.6V -0.6V +0.005V -0.005V -1.2V -1.2V -1.2V 0V +0.6V +42.2V -42.2V -42.2V -42.2V -42.8V -42.9V -42.2V 0V -42.8V -43V 0V 0V 0V +43V +43V +43V 0V0V0V0V +0.7V+2V+2V+3.4V 0V 0V 0V 0V 0V +14V +15V -2V +15V -4V +7.5V +15V -15V -13.5V +6.5V +6.5V +6.5V +0.3V +0.3V 0V 0V 0V +39

5、V 0V RED GRN HGF FGH EDCBA ABCDE JILMKO O P PLMIJK 1 12 SIGNAL PATH SIGNAL PATH NOTE: REDRIVE VOLTAGES ARE SHOWN WITH NO LOAD AND NO SIGNAL 0V 0V 0V 0V 0V 0V +15V -15v 0V 0V 0V 0V 0V 0V -15V +15V 0V 0V 0V 0V 0V -15V 0V +15V 0V 0V 0V +15V -15V -15V +0.5V +0.3V 0V 0V 0V 0V +39.6V +39V +2.7V +42.2V +42

6、.8V +1.2V +1.2V +42.9V 43.0V +0.6V +0.6V -0.6V -0.6V -0.6V +0.005V -0.005V -1.2V -1.2V -1.2V 0V +0.6V +42.2V -42.2V -42.2V -42.2V -42.8V -42.9V -42.2V 0V -42.8V -43V 0V 0V 0V +43V +43V +43V 0V0V0V0V +0.7V+2V+2V+3.4V 0V 0V 0V 0V 0V +14V +15V -2V +15V -4V +7.5V +15V -15V -13.5V +6.5V +6.5V +6.5V +0.3V +0.3V 0V 0V 0V +39V 0V RED GRN GSUB10 SCHEMATIC DIAGRAM Powered SubwooferGSUB10 12 HGF FGH EDCBA ABCDE JILMKO O P PLMIJK 1