Sharp AE-X138E - Block Diagram

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
12
BLOCK DIAGRAMS
INDOOR UNIT for AH-X108E / AY-X108E / AH-X138E / AY-X138E
DC power supply circuit
Fan motor phase control circuit
Rotation pulse input circuit
AC clock circuit
Louver motor drive circuit
Remote controller signal
reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
Compensation circuit/
select circuit
Compensation circuit
Switchover circuit
Serial I/O circuit
Compressor relay drive circuit
LED drive circuit
Auto restart circuit 
Test run circuit
Power select circuit
Flow direction control
(louver motor)
Wireless remote control
operation
Audible operation confirmation
Room fan motor
Fan motor pulse detect
Room temp. thermistor
Heat exchanger pipe thermistor
Blower temperature,
fan speed, model select
Outdoor ratings
Wireless, preheat
Indoor/outdoor control signal I/O
Outdoor unit power supply
on/off control
LED display
Test run (forced operation)
Self diagnostics,
fault diagnosis
Power select switch H/L
AC power
Unit-unit
wiring (AC
power and
serial
signals)
CPU
FUSE
Auxiliary mode Auxiliary mode button ON/OFF
2.5 A