Read Sharp AH-X108 Service Manual online
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
reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
Compensation circuit/
select 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)
(louver motor)
Wireless remote control
operation
operation
Audible operation confirmation
Room fan motor
Fan motor pulse detect
Room temp. thermistor
Heat exchanger pipe thermistor
Blower temperature,
fan speed, model select
fan speed, model select
Outdoor ratings
Wireless, preheat
Indoor/outdoor control signal I/O
Outdoor unit power supply
on/off control
on/off control
LED display
Test run (forced operation)
Self diagnostics,
fault diagnosis
fault diagnosis
Power select switch H/L
AC power
Unit-unit
wiring (AC
power and
serial
signals)
wiring (AC
power and
serial
signals)
CPU
FUSE
Auxiliary mode
Auxiliary mode button ON/OFF
2.5 A
Click on the first or last page to see other AH-X108 service manuals if exist.