iRest A380 - Page 9

Figure 5: Schematic diagram of DC 5V switch power supply
DC5V output
Diode 4007 on rectifier
Transformer JY1905
Optocoupler 817
Pass transistorTL431
Figure 4, the physical map of drive power supply and part of DC5V switch power supply
The relationship of DC5V switch power supply and drive power supply:
AC220V input to CON11 on the driver board
→The driver board get DV5V switch power supply
→IC and remote controller have DC5V working voltage
→Remote controller can start to work
→Relay 105LM, control the power supply, its coil get the electricity
→CN016 get AC220V power supply
→Driver circuit get AC110V and AC24V power supply
→Massage chair work in regular
DC 5V switch power supply to the driver board and start signal
Relay 105LM
Audion S8050
CON2 external power
supply of AC220V
Piezoresistor 10D471K
DC 5V switch power supply lights
Power integrated
circuitsTNY274