Key Components Of Electronic Circuit - Daewoo DSB-092A Service Manual

8. KEY COMPONENTS OF ELECTRONIC CIRCUIT

(1) U1 (MICOM)
Steppping Motor
Driving
LED Driving
Emergency
Mode
Function
S/W
Reset Curcuit
Oscillation
1 P77(HSO) VDD
2 P76(HSCK) (XTOUT)P22
3 P75(SO) (XTIN)P21
4 P74(SI) (INT5/STOP)P20
5 P73(SCK) P17
6 P72(PDO/PWM) P16
7 P71(INT4) (TC2)P15
8 P70(INT3/TC3) (PPG)P14
9 P07 (DVO)P13
10 P06 (INT2/TC1)P12
11 P05 (INT1)P11
12 P04 (INTO)P10
13 P03 (AIN7)P67
14 P02 (AIN6)P66
15 P01 (AIN5)P65
16 P00 (AIN4)P64
17 TEST (AIN3)P63
18 RESET (AIN2)P62
19 XIN (AIN1)P61
20 XOUT (AIN0)P60
21 (VASS)VSS VAREF
91
42
41
40
39
38
Indoor Unit Motor Driving
37
36
35
34
Buzzer Driving
33
Remocon Input
32
Comp Relay Driving
31
Zero Crosing Detect
30
29
Function S/W
28
27
26
25
24
Temperature
Sensor Input
23
22