Masseuse Remidial Deluxe +, Руководство по обслуживанию

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9
Troubleshooting analysis 4──air pressure abnormal
One group airbags don’t release air
The air tube
was folding
caused this
problem
The field effect
tube SIN4828
、
or
other integration
74H595 was broken
Make it
straight Change the
components or a
new PC board
The air pump cannot start
The air pump’s
problem or the coil
is open
，
you can
according sheet 1 to
check the resistance
is it 110
～
120
Ω
PC board is
broken
，
PC board
without AC110V
power
Change a new air
pump
Figure 25 and 26
，
silicon BCR5PM
、
optocoupler
3023
、
audion 8050
was broken
，
change the
components or a
new PC bboard
When the power on, the air
pump work automatically,
canot stop
Figure 25 and 26
，
silicon
BCR5PM or audion 8050
was broken
，
when the chair
power on, the PC board
input AC110V power to air
pump continually.
Change new components
or PC board
Air pressure abormal
One group airbags don’t fill out air
The
airbags
were
broken
Change a
new
airbag
①
check the valves
②
figure 2 3 and 24 check the
valves’s driving circuit
，
wheter the
PC board has CDC14V power
output to valves
，
figure 26diode
4007
、
field effect tube SIN482
、
resistance
、
chip integration
74H595 whether they are broken
Change new components
Pic 23 field effect tube signal circuit diagram Pic 24 field effect tube driving circuit diagram