Circuit And Electrical Block Diagram - Sharp JH-1600E Service Manual

Item Function
1 DC EMI
2 Boost
3 Full bridge
4 Driver board
5 Spike killer
board
6 Inverter switch
7 AC EMI
8 Control board
9 Junction box
(wiring box)
10 Communication
and display
board

Circuit and electrical block diagram

To prevent conduction noise out from DC cable.
To regular DC voltage for inverter stage.
Using four MOSFETs as switch to inverter DC voltage to AC
voltage.
Generator driver signal of full bridge for MOSFETs.
To kill the spike voltage of inverter diodes for protection purpose.
Using four MOSFETs as switch to adjust the polarity of AC voltage.
To prevent conduction noise out from AC cable.
To control all circuit operation under desire.
Including AC terminal, DC terminal, AC fuse, DC fuse, and
parameter setting button.
1. As a communication bridge between control board and user
(through RJ-45 connector).
2 Display operation status and information.
Description
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