Daewoo FR-631KD Service Manual page 10

1-3) Noise Prevention in Turn-on of Switch Power IC
Point
B
1-4) Initial Voltage of Switch Power IC
Point
C
Oscilloscope Measurement
Oscilloscope Measurement
9
Remark
- Prevention of Surge
Noise when Switch
Power IC1 turns on.
Remark
- IC1 Initial Move-
ment Circuit
- Initial Voltage : 15V
- After Initial
Movement : 12V.
- Below 10V : Reset
and returns to initial
state.