Sharp AY-XPC18LR Service Manual page 8

AYXPC18LR
2. Outdoor unit
AC clock circuit
Power supply
circuit
CPU oscillator circuit
DC overvoltage detection circuit
Outdoor fan drive circuit
4-way valve relay drive circuit
DC overcurrent detection circuit
Power transistor module drive circuit
Serial I/O circuit
CPU
CPU reset circuit
Position detection circuit
AC overcurrent detection circuit
Compressor thermo circuit
Heat exchanger pipe thermo circuit
Outdoor temp. thermo. circuit
Suction temp. thermo. circuit
EEPROM
LED drive circuit
Test mode circuit
Expansion valve drive circuit
1A
protection
Smoothing
circuit
Filter
PFC Module
circuit
2A
protection
Outdoor fan
4-way valve
Power transistor module
Compressor
Current transformer
Compressor thermistor
Heat exchanger pipe thermistor
Outdoor temperature thermistor
Suction pipe thermistor
LED
Expansion valve
2 – 2
20A
protection
Power Supply (AC power )
3.15A
protection
20A
protection
Unit-unit wiring
(AC power and
serial signals)