Sharp AY-XP9LSR Service Manual page 8

AYXP9LSR
2. Outdoor unit
AC clock circuit
Pulse amplitube modulation 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
AC overcurrent detection circuit
Compressor thermo circuit
Heat exchanger pipe thermo circuit
Outdoor temp. thermo. circuit
EEPROM
LED drive circuit
Test mode circuit
Fuse detector cirunit
IGBT
Smoothing Rectification
circuit circuit
Outdoor fan
4-way valve
Power transistor module
Compressor
Current transformer
Compressor thermistor
Heat exchanger pipe thermistor
Outdoor temperature thermistor
LED
Terminal board temp.fuse
IPM heat sink temp.fuse
2 – 2
20A
protection
Filter
circuit
FAN Control
3.15A
protection
15A
protection
Unit-unit wiring (AC power
and serial signals)