Circuit Configuration And Control Specifications; Microcomputer System Block Diagram - Toshiba RAV-SP560AT-E Service Manual

9. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS

9-1. Microcomputer System Block Diagram

RAV-SM560AT-E, RAV-SM560UT-E, RAV-SM560BT-E,
RAV-SM800AT-E, RAV-SM800UT-E, RAV-SM800BT-E (A02-014)
9-1-1. Connection of Main Remote Controller
Indoor unit
#1
Sensor display P .C. board
(MCC-819)
Sensors LED
Remote controller
No. setupTwin/
Triple setup
Sub P .C. board
(MCC-1370B)
Louver
motor
control circuit
Indoor
fan
motor DC15V
Transformer
DC310~340V
Main (Sub) master remote controller
Display
CPU
LCD
TMP47C
Display
820F
LED
AC
synchronous
signal input
Power circuit
circuit
A B C
A B C
Main P .C. board (MCC-1370A)
Serial send/
receive circuit
CPU
TMP87CM
Optional
40AN
output
(TMP87PM
Comp.
Driver
40AN)
Run
Error
Heat
Indoor fan
DC
12V DC
5V
AC
synchronous
Power
signal input
circuit
circuit
Communication P .C. board (Option)
1 2 3
1 2 3
Outdoor unit
EEPROM
The P .C. boards of the indoor unit are
classified into 4 boards according to the
Function setup
function.
1. Main P .C. board (MCC-1370A)
Key switch
2. Sub P .C. board (MCC-1370B)
3. Sensor display P .C. board (MCC-819)
Serial send/
4. Communication P .C. board (MCC-1337)
receive circuit
EEPROM
TA shift setup
Model selection
Function setup
TA sensor
TC sensor
TCJ sensor
Serial
send/
receive
circuit
Communication Pulse
LSI trans
MCC-1337
X Y
– 87 –
RAV-SM560/800AT-E
RAV-SM560/800UT-E
RAV-SM560/800BT-E
Controller for power circuit, fan motor
driver, and whole unit
Setup of unit No. and concurrent twin
* The sub P .C. board is located near the
remote controller terminal block.
Wireless remote controller receive part,
LED display part
Communication part with the central
control remote controller (Option)
Max. 16 units are connectable.
#2 #3
B C B C
Same as Same as
the left the left
1 2 3 1 2 3
Outdoor Outdoor
unit unit