Samsung RS277ACPN, Manual

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5-4. PART ARRANGEMENT (Main Board)
1. AC power on the PCB power part
(SMPS)is supplied and converted to
DC12V, 5V and GND through SMPS
circuits.
2. Power is supplied to the fan motor
driving part up to 8.3V ~10V
depending on the type of motor.
3. EEPROM:Saves or records various
data.
4. Receives various sensor signals
and removes noise with MICOM
and transfers them again.
5. Plays role of operating the genuine
room taste damper and the damper
heater.
6. Displays LED to the genuine room
taste display driving part,and
processes key signals.
7. Displays LED to the panel display
driving part,and processes key
signals. (Controlled in the link with
genuine room taste circuits)
5. Circuit Descriptions
☜
Double Click
8. Performs i ce-maker operati on and suppl i es power of the motor and senses change of
switches.
9. Relay part to control AC load.
10.Option setting part for model separation.
11. Connector part to connect AC load.