MS4001SERVICE MANUALPA 01155620001210-98000 1.415K-215 K Printed in Japan 2000.12HAMAMATSU, JAPANThis document is printed on chlorine free (ECF) paper with soy ink.POWERED SPEAKERCONTENTSSPECIFICATIONS ................................................... 3DIMENSIONS ........................................................... 4BLOCK DIAGRAM ............................ 4PANEL LAYOUT .................................... 5CIRCUIT BOARD LAYOUT ................. 6WIRING ..................................................................... 7DISASSEMBLY PROCEDURE .............................. 8IC BLOCK DIAGRAM ................................... 10CIRCUIT BOARDS ........................................ 11INSPECTIONS ............................................................ 16OVERALL CIRCUIT DIAGRAM ........................... 19PARTS LISTMS400www . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com