Ariston MSZ 701 NF HB (T) - SMPS Waveform Analysis

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CIRCUIT OPERATION
1) Drain to Source Break V
4-2. SMPS Movement Wave
oltage
Point Oscilloscope Measurement Remarks
SMP
SIC
PIN
1,2
*Voltage between
DRAIN and
SOURCE :
below 650V
2) OVP(Overvoltage Protection) Wave at power input
Point
Oscilloscope Measurement
Remarks
SMPS
IC PIN
3,4
*Minimum
standard
voltage
OVP start :
23.2V
at