Toshiba MMU-AP0072H2UL-1 Service Manual page 48

High Wall Type
Indoor unit
#1
Receiver and display
P.C. board
(MCC-5044)
Receiver
LED
Unit
Louver
motor
Indoor
fan motor
DC280V
Main (Simple) wired remote control
(Up to 2 sets)
Display part
LCD
CPU
Display part
LED
Remote control
communication circuit
A B
Main P.C. board
(MCC-1510)
DC20V
Remote control
communication circuit
Central control
communication circuit
DC5V
Driver
Driver
Outside output
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
DC12V
Fan motor
control circuit
Power
circuit signal input circuit
Function setup
Key switch
DC5V
Power circuit
EEPROM
TA sensor
TC1 sensor
CPU
TC2 sensor
TCJ sensor
HA
Wireless
Remote
control
A/B setup
BUS
Communication
circuit
AC synchronous
L 1 L2 U1 U2
L1 L2
U2
Power supply
208/230-1-60
U1
48
#2
#3
A B A B
Same Same
as left as left
U1U2 U1U2
L1 L2 L1 L2
Power Power
supply supply
Outdoor Outdoor
unit unit
Max. 8 units are connectable.
Outdoor unit