Toshiba RAV-SM800AT-E Microcomputer System Block Diagram, Connection of Main Remote Controller

9. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS

9-1. Microcomputer System Block Diagram

9-1-1. Connection of Main Remote Controller

		Main (Sub) master remote controller
		Display			CPU		EEPROM		The P.C. boards of the indoor unit are
		LCD
							Function setup		classified into 4 boards according to the
					TMP47C				function.
		Display							1. Main P.C. board (MCC-1370A)
					820F		Key switch		Controller for power circuit, fan motor
		LED
									driver, and whole unit
									2. Sub P.C. board (MCC-1370B)
									Setup of unit No. and concurrent twin
									* The sub P.C. board is located near the
									remote controller terminal block.
					AC				3. Sensor display P.C. board (MCC-819)
									Wireless remote controller receive part,
					synchronous		Serial send/		LED display part
					signal input
		Power circuit					receive circuit		4. Communication P.C. board (MCC-1337)
					circuit
									Communication part with the central
									control remote controller (Option)
					A B C
									Max. 16 units are connectable.
Indoor unit									#2 B C	#3 B C
#1					A B C
Sensor display P.C. board						Main P.C. board (MCC-1370A)
(MCC-819)
Sensors	LED						EEPROM
					Serial send/
					receive circuit
							TA shift setup
							Model selection
							Function setup
Remote controller					CPU		TA sensor
No. setupTwin/
Triple setup		Optional			TMP87CM		TC sensor
	Sub P.C. board	output			40AN				Same as	Same as
		Comp.	Driver		(TMP87PM		TCJ sensor
	(MCC-1370B)
		Run			40AN)				the left	the left
		Error
		Heat
	Louver
	motor
		Indoor fan	DC
		control circuit		DC
	Indoor		12V
				5V
	fan
		DC15V
	motor				AC	Serial
		Power	synchronous			send/
			signal input			receive
		circuit
Transformer				circuit		circuit
DC310~340V						Communication		Pulse	1 2 3	1 2 3
							LSI	trans
							MCC-1337

12 3 Communication P.C. board (Option)

1 2 3 X Y

Outdoor Outdoor

unitunit

Outdoor unit

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