Zibro S1731, Service Manual

Page: 49 / 66

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SEMICONDUCTOR PIN FUNCTION
IC3 PIN FUNCTION
Pin No. Signal Name Function In/Out Active Voltage
1 VSS GND GND - 0V
2 Xin Resonator In In - 14.7MHz
3 Xout Resonator Out Out - 14.7MHz
4N C NC I n - 0V
5 VDD IC3 Power Supply POWER - 5V
6N C NC I n - 0V
7N C NC I n - 5V
8 RESET(IC4)
IC3 RESET Input
Up to 4.2V= H
Less than 4.2V= L
In L
H:5V
L:0V
9N C NC I n - -
10 IC9 14Pin INVERTER ¸ -W ¸ Output Out H 5Vor0V
11 IC9 12Pin INVERTER ¸ -V ¸ Output Out H 5Vor0V
12 IC9 10Pin INVERTER ¸ -U ¸ Output Out H 5Vor0V
13 IC9 6Pin INVERTER
¸
+W
¸
Output Out H 5Vor0V
14 IC9 4Pin INVERTER
¸
+V
¸
Output Out H 5Vor0V
15 IC9 2Pin INVERTER ¸ +U ¸ Output Out H 5Vor0V
16 DQ38 DC Over Current In L 5V
17 NC NC In - 5V
18 IC11 14Pin COMP. Position W I n L 5Vor0V
19 IC11 1Pin COMP. Position V I n L 5Vor0V
20 IC11 13Pin COMP. Position U I n L 5Vor0V
21 TEST CK TEST CK Out H 5Vor0V
22 TEST SI TEST SI In H 5Vor0V
23 TEST SO TEST SO Out H 5Vor0V
24 NC NC In - 5V
25 IC10 5Pin DC Current Alarm Reset Out L 5Vor0V
26 A/D Input DC Power Monitor In - 0 - 5V
27 A/D Input TEMP.,Module Sensor In - 0 - 5V
28 A/D Input NC In - 0V
29 A/D Input NC In - 0V
30 A/D Input NC In - 0V
31 A/D Input NC In - 0V
32 A/D Input TEMP.,Outdoor Sensor In - 0 - 5V
33 TEST Output TEST Output Out - 5Vor0V
34 A/D Input TEMP.,Defrost Sensor In - 0 - 5V
35 A/D Input TEMP.,Discharge Sensor In - 0 - 5V
36 A/D Input NC In - 0V
37 A/D Input NC In - 0V
38 A/D Input NC In - 0V
39 A/D Input NC In - 0V
40 A/D Input NC In - 2.5V
41 A/D Input AC Current Sensor In - 0 - 5V
42 VAREF A/D Refference Voltage POWER - 5V
43 AVDD A/D Power Supply POWER - 5V
44 VASS A/D GND GND - 0V
45 DQ34 Heater Output Out H 5Vor0V
46 NC NC Out - -
47 NC NC Out - -
48 IC6 7Pin 4way Valve Output Out H 5Vor0V
49 IC6 6Pin Fan Motor Output Out H 5Vor0V
50 IC6 5Pin Power Relay Output Out H 5Vor0V
51 NC NC Out - -
52 NC NC Out - -
53 NC NC Out - -
54 NC NC Out - -
55 NC NC Out - -
56 NC NC Out - -
57 NC NC Out - -
58 NC NC Out - -
59 NC NC Out - -
60 NC NC Out - -
61 PC32 Communication Input In H 5Vor0V
62 DQ33 Communication Output Out H 5Vor0V
63 NC NC Out - -
64 NC NC Out - -
65 NC NC Out - -
66 PC31 Zero Cross In L 5Vor0V
67 PC31 Zero Cross In L 5Vor0V
68 NC NC Out - -
69 DQ35 PFC IGBT Output Out H 5Vor0V
70 NC NC Out - -
71 NC NC Out - -
72 DQ36 PFC On Out L 5Vor0V
73 NC NC Out - -
74 NC NC Out - -
75 NC NC Out - -
76 NC NC Out - -
77 IC5 1Pin EEPROM Chip Serect Out H 5Vor0V
78 IC5 2Pin EEPROM Clock Out - -
79 IC5 3Pin EEPROM Data Output Out - -
80 IC5 4Pin EEPROM Data Input In - -