Samsung AZ09AATEA Service Manual page 47

Block Diagram
7-2-2 Micom Pin Assignment
SEG-DATA(c)
SEG-DATA(b)
10MHz RESONATOR
10MHz RESONATOR
KEY-IN1
KEY-IN2
REMOCON SINGLE RECEIVE
EEPROM CS
LOW FAN
COMPERSSOR
MED FAN
HIGH FAN
4-WAY VALVE
7-2
KS88C4716
1 P0.1
2 P0.0
3 P4.3
GRID4
4 P4.2
GRID3
5 VDD
Vcc
6 VSS
Vss
7 Xout
8 Xin
9 TEST
TEST
10 P4.1
GRID2
11 P4.0
GRDI1
12 RESET
RESET
13 P2.0
14 P2.1
15 P2.2
16 P2.3
17 P2.4
18 P2.5
19 P2.6
20 P2.7
21 P4.5
22 AVref
Vcc
P4.4 44
GRID5
P0.2 43
SEG-DATA(d)
P0.3 42
SEG-DATA(e)
P0.4 41
SEG-DATA(f)
P0.5 40
SEG-DATA(g)
P0.6 39
SEG-DATA(h)
P0.7 38
SEG-DATA(a)
P1.0 37
EEPROM CLK
P1.1 36
EEPROM IN
P1.2 35
EEPROM OUT
P1.3 34
BUZZER
P1.4 33
AUTO RESTART OPTION
P1.5 32
JIG OUTPUT
P3.7 31
OUTDOOR PIPE THERMISTOR
P3.6 30
SENSOR THERMISTOR(103AT)
P3.5 29
INDOOR PIPE THERMISTOR
P3.4 28
OPTION
P3.3 27
OPTION
P3.2 26
MODEL & TEMP. (OPTION)
P3.1 25
ENERGY SAVER OPTION
P3.0 24
SWING MOTOR
AVss 23
GND
Samsung Electronics