Masseuse Remidial Deluxe +, Руководство по обслуживанию

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4
☆
testing moving limit switch
：
Moving switch is widely used in testing circuit, such as the forward and backward limit on stretch motor of
massage hand, traveling limit on moving motor, inner traveling limit on cylinder, safty switch testing and son
on, the working principle are the same
。①
is moving contact,
②
is COM,
③
is NO,
④
is NC. Figure 15 can
test by multimeter
，
test the buzzer gear
。
Normal close NO
：④②
often close
，
contact
①
.
④②
will open.
Normal open NC
：③②
often open
，
contact
①
,
③②
will breakover.
Q7 move up signal paster 8050 audion
Move up signal 250 optocoupler
Pic 14 moving/stretch motor driving circuit diagram
Move up/move
backward signal input Move up signal IR21091 paster
integration
DC110V drive switch tube 13N50C field-effect
transistor
Move down/move
forward signal input Move up/move down DC110V power output plug CON6