Sharp AE-XM24CR (serv.man6) Service Manual ▷ View online
13
AY-XM7/9/12CR
AY-XPM7/9/12CR
AE-XM18/24CR
AY-XPM7/9/12CR
AE-XM18/24CR
BLOCK DIAGRAMS
INDOOR UNIT for AY-XM7CR/9CR/12CR
CPU
3 A
WPE1
DC power supply circuit
Fan motor phase control circuit
Rotation pulse input circuit
AC clock circuit
Louvre motor drive circuit(upper)
Louvre motor drive circuit(lower)
Remote controller signal reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
Pipe temp. thermo circuit
Compensation circuit/ select circuit
Compensation circuit
Switchover circuit
Serial I/O circuit
LED drive circuit
Auto restart circuit
Test run circuit
Auxiliary mode
Power on circuit
Room fan motor
Fan motor rotation pulse detect
Flow direction control (louver motor upper)
Flow direction control (louver motor lower)
Wireless remote control operation
Audible operation confirmation
Room temp. thermistor
Heat exchanger pipe thermistor
Pipe temperature thermistor
Blower temperature, fan speed, model select
Outdoor ratings
Wireless, preheat
Indoor/outdoor control signal I/O
LED display
Test run (forced operation)
Auxiliary mode button ON/OFF
Self diagnostics, fault diagnosis
Unit-unit wiring
(AC power and
serial signals)
(AC power and
serial signals)
14
AY-XM7/9/12CR
AY-XPM7/9/12CR
AE-XM18/24CR
AY-XPM7/9/12CR
AE-XM18/24CR
OUTDOOR UNIT for AE-XM18CR
CPU
Pump down switch circuit
Unit A thermo. circuit
Unit B thermo. circuit
Thermistor unit A
Thermistor unit B
Compressor
CN8A
CN8A
CN8A
Suction thermistor
CN8B
CN8B
Expansion valve A
drive circuit
drive circuit
Expansion valve B
drive circuit
drive circuit
4-way valve relay
drive circuit
drive circuit
Expansion
valve A
valve A
Expansion
valve B
valve B
4-way
valve
valve
Wire check switch circuit
Position detection circuit
LED drive circuit
Heat exchanger pipe
thermo circuit
thermo circuit
Compressor thermo circuit
CPU reset circuit
Serial I/O circuit
Power transistor module
drive circuit
drive circuit
Outdoor fan relay drive
circuit
circuit
Power supply
circuit (built
into IPM)
circuit (built
into IPM)
CPU oscillator circuit
AC overcurrent detection
circuit
circuit
DC overcurrent detection
circuit / Power transistor
module overheat
circuit / Power transistor
module overheat
LED
Heat exchanger pipe
thermistor
thermistor
Compressor thermistor
Current transformer
Compressor
Power
transistor module
transistor module
Outdoor fan
Smoothing
circuit
circuit
Active filter
circuit
circuit
Filter
circuit
circuit
AC power
Unit - unit
wiring
(AC power and
serial signals)
wiring
(AC power and
serial signals)
20 A
protection
Outdoor temp. thermo.
circuit
circuit
Outdoor temperature
thermistor
thermistor
20 A
protection
3 A
protection
DC power
supply circuit
supply circuit
(RE)
(OR)
(G)
(BL)
(WH)
Suction pipe thermistor
CN8A
Suction pipe thermo circuit
(BK)
15
AY-XM7/9/12CR
AY-XPM7/9/12CR
AE-XM18/24CR
AY-XPM7/9/12CR
AE-XM18/24CR
INDOOR UNIT for AY-XPM7CR/9CR/12CR
CPU
3 A
WPE1
DC power supply circuit
Fan motor phase control circuit
Rotation pulse input circuit
Cluster generator control circuit
AC clock circuit
Louvre motor drive circuit(upper)
Louvre motor drive circuit(lower)
Remote controller signal reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
Room temp. detect circuit
Heat exchanger pipe thermo circuit
Pipe temp. thermo circuit
Compensation circuit/ select circuit
Compensation circuit
Switchover circuit
Serial I/O circuit
Dust detect circuit
Gas detect circuit
LED drive circuit
Auto restart circuit
Test run circuit
Auxiliary mode
Power on circuit
Room fan motor
Fan motor rotation pulse detect
Cluster generator Filter circuit
Flow direction control (louver motor upper)
Flow direction control (louver motor lower)
Wireless remote control operation
Audible operation confirmation
Room temp. thermistor
Heat exchanger pipe thermistor
Pipe temperature thermistor
Blower temperature, fan speed, model select
Outdoor ratings
Wireless, preheat
Indoor/outdoor control signal I/O
Dust sensor
Gas sensor
LED display
Test run (forced operation)
Auxiliary mode button ON/OFF
Self diagnostics, fault diagnosis
Unit-unit wiring
(AC power and
serial signals)
(AC power and
serial signals)
16
AY-XM7/9/12CR
AY-XPM7/9/12CR
AE-XM18/24CR
AY-XPM7/9/12CR
AE-XM18/24CR
OUTDOOR UNIT for AE-XM24CR
CPU
Pump down switch circuit
Unit A thermo. circuit
Unit B thermo. circuit
Thermistor unit A
Thermistor unit B
Compressor
CN8A
CN8A
CN8A
Suction thermistor
CN8B
CN8B
Expansion valve A
drive circuit
drive circuit
Expansion valve B
drive circuit
drive circuit
4-way valve relay
drive circuit
drive circuit
Expansion
valve A
valve A
Expansion
valve B
valve B
4-way
valve
valve
Wire check switch circuit
Position detection circuit
LED drive circuit
Heat exchanger pipe
thermo circuit
thermo circuit
Compressor thermo circuit
CPU reset circuit
Serial I/O circuit
Power transistor module
drive circuit
drive circuit
Outdoor fan relay drive
circuit
circuit
Power supply
circuit (built
into IPM)
circuit (built
into IPM)
CPU oscillator circuit
AC overcurrent detection
circuit
circuit
DC overcurrent detection
circuit / Power transistor
module overheat
circuit / Power transistor
module overheat
LED
Heat exchanger pipe
thermistor
thermistor
Compressor thermistor
Current transformer
Compressor
Power
transistor module
transistor module
Outdoor fan
Smoothing
circuit
circuit
Active filter
circuit
circuit
Filter
circuit
circuit
AC power
Unit - unit
wiring
(AC power and
serial signals)
wiring
(AC power and
serial signals)
20 A
protection
Outdoor temp. thermo.
circuit
circuit
Outdoor temperature
thermistor
thermistor
20 A
protection
3 A
protection
Expansion valve C
drive circuit
drive circuit
Expansion
valve C
valve C
DC power
supply circuit
supply circuit
(RE)
(OR)
(G)
(BL)
(WH)
Unit C thermo. circuit
Thermistor unit C
(BR)
Suction pipe thermistor
CN8A
Suction pipe thermo circuit
(BK)
Display