5
☆
The driving relationship between width testing , signal pin board, taping, stretching motor
Figure 4 width testing board
，
one hand, connect the testing signal between massage hand and PC board, the most important is testing the width. The
stretch and tapping motor’s working principle is after the single chip receiving the width signal, any one of wide, mid, narrow signal
，
then it can work, or else the
stretch and tapping motor don’t work. Or another situation, when you press tapping function, it changed to kneading, but when you press kneading and tapping
function, it works as normal. But press stretch, it will not work. You would thought that the stretch motor, stretch testing circuit, PC board has problem. So you
need to know that testing first, driving later.
综上所述，伸缩
/
拍打开不起，还有可能是揉捏电机不良或宽度检测不到造成，因为宽度检测是靠揉捏电机来完成的。
Stretch motor don’t work
Motor’s
problem
See 1
，
test the
motor’s
resistance
whether it is in
30
～
80 Ω, if not
in this range,
change a new
motor
The wire which
connect with PC
board and motors
has problem
See figure 13 check
the wire through
CON20 on PC board
and stretch motor
on massage hand,
whether it is
connect well, if not,
insert it well, if it is
ok, the problem
maybe caused by
the PC board
。
The testing circuit has
problem, the single chip
cannot give a sign
First figure 4 check the
wide testing and signal
transfer board is it ok.
Second, check the
stretch limit switch
。
Third, check the PC
board CON46, the wires
between backrest
function and massage
hand whether they are
ok. If they are ok, the
problem maybe caused
by the PC board.
The wire on PC board
has problem
Figure 14 or 16
，
check
the 13N50C
、
paster
integration
RI21091
optocoupler 250
、
Q7/Q12 audion 8050
whether they are ok
，
the
next
check
STM132F103 change
a new components or
PC board
Pic
16 stretch motor driving circuit
CON15
stretch
motor
Field effect tube
13N50C
Optocoupler 250
Optocoupler
250
Paster
integration
21091
Figure 15 traveling limit switch
Содержание Remidial Deluxe +
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