PDP-5050SX
57
5
6
7
8
5
6
7
8
C
D
F
A
B
E
3.1.12 MR POWER SUPPLY UNIT
AC IN
AC- DET
16
PD . TRIGGER
POWER ON
3 . 3V
15
14
12
13
12V
3, 4
5, 6
6 .5V
7, 8
9, 10
GND
GND
GND
GND
OUTPUT CONNECTOR
17V
1
2
INPUT CONNECTOR
INPUT
FILTER
CIRCUIT
INRUSH
CURRENT
LIMITER
POWER FACTOR
CONTROL
CIRCUIT
OVERCURRENT
DETECTOR
SWITCHING
DEVICE
SWITCHING
DEVICE
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
FILTER
CIRCUIT
FILTER
ON / OFF
CIRCUIT
FILTER
CIRCUIT
FILTER
CIRCUIT
INPUT
DETECTION
AC
DETECTION
RELAY
WELDING
DETECTION
OUTPUT
VOLTAGE
CONTROL
CIRCUIT
POWER SUPPLY
(SIGNAL SYSTEM)
RECTIFICATION
CIRCUIT
(SYNC)
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
(SYNC)
OVER VOLTAGE
DETECTION
SIGNAL
OUTPUT
CIRCUIT
SIGNAL
OUTPUT
CIRCUIT
OUTPUT
VOLTAGE
CONTROL
CIRCUIT
RELAY
SWITCH
PWM CONTROL IC
MR POWER SUPPLY UNIT