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5. Power Circuit for P.W.B
•
Fig. 5-1 shows the power circuit for P.W.B.
•
In the power circuit for P.W.B., power supply for microcomputer, peripheral circuits
Microcomputer
, and IPM driver
circuit and, as well as DC 35V, are produced by switching power circuit.
•
Switching power circuit performs voltage conversion effectively by switching transistor IC1 to convert
DC 330V voltage to high frequency of about 20kHz to 200kHz.
A C 2 2 0 - 2 3 0 V
Summary of Contents for RAC-25FX8
Page 44: ... 49 MODEL RAC 25FX8 RAC 35FX8 SELF CHECK SELF MODE FORCECOOLING RED RED RED ...
Page 48: ...BASIC MODE MODEL RAF 25FX8 RAF 35FX8 57 button 63 67 67 71 75 67 ...
Page 148: ... 166 SELF DIAGNOSIS LIGHTING MODE MODEL RAC 25FX8 RAC 35FX8 ...
Page 191: ...TC NO 0780EF RAF 25FX8 RAC 25FX8 RAF 35FX8 RAC 35FX8 Printed in Japan HRT ...