Daewoo FR-631KD Service Manual page 11

1-5) Power Protection Function
Point
D
1-6) Constant Voltage Control Circuit
Point
E,F,G
Oscilloscope Measurement
Oscilloscope Measurement
10
Remark
- Circuit Protection
Function
- Abnormal Mode of
Short etc. at 2nd
Side
- When Vcc is
sensed as "Below
10V", it blocks the
power to protect the
circuit.
Remark
- Control Mode at
Non-constant
Voltage
- F point : "Below 10V
Wave".
- Constant Voltage
Mode Control by
Pulse Width
Change according
to voltage