... /E874(coiling signal transfer card) etc(4):dahao main card/main board: E9101B,E950,E808,E850,E860,E866,E870,E901.( ... 5):dahao power supply board:E9102,6BPB,E721,E733,E734 ... dahao special controlling board:MCB(main shaft control board),EF732k(frequency conversioncontrol board),EF148E(sequin control board),EF168D(sequin control board)(11)others:EF165 ...