Panasonic UF-890 Service Manual page 249

6.2.14 Power Supply Unit (LVPS)
Block Diagram of ETXDN218A7D / DU2L1B146 (115 V)
INPUT
RECTIFIER
INPUT
CIRCUIT
CIRCUIT
Note:
+5 VP is the Pilot Power Supply, which provides power to the active components during the Sleep Mode.
CONVERTER
CIRCUIT
(Q101)
CONTROL
CIRCUIT
OVER CURRENT
LIMITTER
ERROR DETECTION
CIRCUIT
249
+5 VP
OUTPUT
CIRCUIT
-12 VDC
OUTPUT
CIRCUIT
+24 VDC
OUTPUT
CIRCUIT
+5 VP OUTPUT
GND
GND
-12 VDC OUTPUT
+24 VDC OUTPUT
GND
+5 VDC 5V 5V
+5 VDC OUTPUT
OUTPUT OUTPUT OUTPUT
GND
CIRCUIT CIRCUIT CIRCUIT