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I. PRINCIPAL MECHANISMS
1.MECHANICAL CHART............................................................................................2
2.POWER TRANSMISSION CHART..........................................................................3
3.ELECTRONIC PARTS ARRANGEMENT CHART..................................................4
4.CONTROL SYSTEM BLOCK DIAGRAM................................................................4
5.MAIN MOTOR CONTROL.......................................................................................5
6.PATTERN GENERATOR.........................................................................................5
7.AUTOMATIC THREAD TENSION...........................................................................5
8.OTHER ELECTRONIC COMPONENT FUNCTIONS..............................................6