Outdoor Unit Power-Supply Board (Ps Board) - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

[4-2 Circuit Board Components ]
4-2-2

Outdoor Unit Power-supply board (PS Board)

Ground
CNFG5
Ground
CN300
Booster COMP gate
voltage output
P
N
Ground
CN303
63H pressure switch
input/output
CN304
63H error detection
output
3.3 VDC output
GND
Ground
CNINV
COMPINV
power-supply output
17 VDC output
N
6 -
chapter 4
CN100 CN6
L2-N Voltage input Zero-cross output
L2
N
CNFAN2 CNFAN1
FAN2INV power-supply FAN1INV power-supply
output output
17 VDC output 17 VDC output
N N
Ground
CN101
Cooling fan ON/OFF signal input
Inverter reset signal input
Locked cooling fan sensor output (+)
Locked cooling fan sensor output (-)
Ground
Ground
CNDC
MAIN power-supply
output
9 VDC output
GND
GND
13 VDC output
LED1
Indoor unit system
power supply
CN24V
Cooling fan power
supply
24 V output
N
Locked cooling
fan sensor input
CN202
Indoor-outdoor
transmission
signal input/output
Centralized
control system
CNINT
power-supply
GND
output
5 VDC input
Indoor unit system power-supply
ON/OFF signal input
BS_04_C