Troubleshoot chapter 6──Foot roller
Pic 29 hip swing /foot roller motor driver circuit board
Pic 30 foot roller circuit board
Foot roller plug CON22
Field-effect
transistors
13N50C
Photo coupler 250
Q25 SMD triode 8050
Foot roller working un
Roller working when power
on
one output pug ofphoto
coupler 250 in low level ( no
output with DC13V, have
output withDC5
～
8V
），
that
cause one of
Field-effect
transistors
13N50C
working, pic. 29 or 30
Motor
damaged,
thermistor
or
Bad
welding ,pic.30
Foot Roller doesn’t work
exchanged
the
damaged
component or driver board
Driver board damaged
exchanged
the
damaged component
As pic 29 & pic 30
，
detect
SMD
triode
8050
、
Photo coupler
250
、
Field-effect transistors
13N50C,
if
one
of
this
damaged , repair it or exchange
driver board
Содержание Remidial Deluxe +
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