Circuit Configuration And Control Specifications; Microcomputer System Block Diagram; Connection Of Main Remote Controller - Toshiba RAV-SM560AT-E Service Manual

9. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS

9-1. Microcomputer System Block Diagram

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
Indoor
fan
motor
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
Serial send/
receive circuit
TMP87CM
Optional
output
(TMP87PM
Comp.
Driver
Run
Error
Heat
Indoor fan
DC
control circuit
12V DC
5V
DC15V
AC
synchronous
Power
signal input
circuit
circuit
1 2 3
1 2 3
Outdoor unit
EEPROM
Function setup
Key switch
Serial send/
receive circuit
Main P .C. board (MCC-1370A)
EEPROM
TA shift setup
Model selection
Function setup
CPU
TA sensor
TC sensor
40AN
TCJ sensor
40AN)
Serial
send/
receive
circuit
Communication Pulse
LSI trans
MCC-1337
Communication P .C. board (Option)
X Y
– 48 –
The P .C. boards of the indoor unit are
classified into 4 boards according to the
function.
1. Main P .C. board (MCC-1370A)
Controller for power circuit, fan motor
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.
3. Sensor display P .C. board (MCC-819)
Wireless remote controller receive part,
LED display part
4. Communication P .C. board (MCC-1337)
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