Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 328

[8-11 Control Circuit ]
6) CMB-WM108V-BB
SUB-PS board
TB1
Fuse
AC Power source
(220-240 VAC)
Terminal block for
Surge
power source
protector
TB3
Indoor/outdoor
transmission block
(24-30 VDC)
VB board
Valve Block
Valve Block
BS_08_L
Noise Rectifier
Filter
diode
Power-supply
detection
circuit
Valve Block
drive circuit
Control board
drive circuit
Smoothing DC-DC
13 V power supply
capacitor converter
Microcomputer
(MAIN)
5 V power supply
Regulator
Regulator
USB circuit 3.3 V power supply
Power reception
switching
Microcomputer
(VB)
5 V power supply
Regulator
Power supply system (220-240 VAC, 260-338 VDC)
Control system (5-30 VDC)
Relay drive circuit
12 V power supply Diode
X513
Regulator
Relay coil
12 V power supply Diode
chapter 8 -
61