Samsung HCR4755WX/XAA Service Manual page 19

2-8 Pin Assign
2-8-1 Micom Block
Pin # Pin Assign
1 WP
2 SCL-E2PROM
3 SDA-E2PROM
4 BUS-STOP
5 SDA-MICOM
6 SCL-MICOM
7 N.C
8 N.C
9 VDD 2.5V
10 GND
11 VDD 3.3V
12 CAPTION-CVBS
13 VDDA 2.5V
14 GND
15 N.C
16 N.C
17 KEY2
18 KEY1
19 HSYNC
20 VSYNC
21 KEY3
22 5V-INT
23 PROTECT
24 IR
25 STB-LED
26 TIMER-LED
Samsung Electronics
Pin # Pin Assign
52 POWER
51 MICOM-D6
50 MICOM-D5
49 MICOM-D4
48 MICOM-D3
47 MICOM-D2
46 MICOM-D1
45 MICOM-D0
44 VDD 3.3V
43 GND
42 VDD 2.5V
41 N.C
40 N.C
39 N.C
38 N.C
37 VDDA 2.5V
36 GND
35 XTAL-OUT
34 XTAL-IN
33 RESET
32 N.C
31 N.C
30 VDD 3.3V
29 GND
28 MICOM-INT
27 CPU-nRESET
Alignment & Adjustment
2-15