Ic Pin Function Descriptions - Sylvania LC155SL8 Service Manual

IC PIN FUNCTION DESCRIPTIONS

IC1202 (LCD Drive / LCD Signal
Process / TV Micro Controller)
Pin
Signal Name
No.
1 VDD+3.3V +3.3V VDD
2 VDD+3.3V +3.3V VDD
3 KEY-IN-1 Key Input 1
4 KEY-IN-2 Key Input 2
5 AFT-IN AFT Voltage Input
6 PROTECT-1 Power Supply Protection 1
7 PROTECT-2 Power Supply Protection 2
8 PROTECT-4 Power Supply Protection 4
9 ADIN6 Reference Terminal
10 VSS GND
11 NU Not Used
12 NU Not Used
13 NU Not Used
14 NU Not Used
15 DTV-S-SOUT DTV Serial Data Out
16 DTV-S-SIN DTV Serial Data In
17 DTV-S-SREQ DTV Serial Request
18 IF-MUTE IF Mute Signal Output
19 NU Not Used
BACKLIGHT-
20 Inverter Control Signal Output
ADJ
21 VDD+3.3V +3.3V VDD
22 DTV-ON-H2 DTV On Signal 2 at High
23 VOLUME Volume Control Signal Output
24 VDD+1.2V +1.2V VDD
25 VDD+1.2V +1.2V VDD
26 NU Not Used
27 P-ON-H Power On Signal at High
28 REMOTE Remote Control Signal Input
29 BUS-OPEN Chip select
30 SCL Serial Clock
31 SDA Serial Data
32 SDITDO Reference Terminal
33 SDITMS Reference Terminal
34 SDITRS Reference Terminal
35 SDITCK Reference Terminal
36 SDITDI Reference Terminal
Crystal Oscillation Input
37 XIN
(27MHz)
Function
11-1
Pin
Signal Name
No.
Crystal Oscillation Output
38 XOUT
(27MHz)
39 VSS GND
40 VSS GND
41 VSS GND
42 VDD+3.3V +3.3V VDD
43 VDD+3.3V +3.3V VDD
44 FSC Clock Output
45 MPSEL MP Select
46 TEST GND
Detecting S-VIDEO Jack
47 S-SW
Connection
48 AUDIO-MUTE Audio Mute Signal Output
49 INPUT-0 Input Select 0 Signal Output
50 INPUT-1 Input Select 1 Signal Output
51 INPUT-2 Input Select 2 Signal Output
52 NU Not Used
53 NU Not Used
54 DTV-Pb DTV Pb Signal Input
55 NU Not Used
Component Video Pb Signal
56 VIDEO-Pb
Input
57 S-VIDEO-C Chrominance Signal Input
58 AVDDB +3.3V VDD
59 AVSSB GND
60 SVSS GND
61 NU Not Used
62 NU Not Used
63 NU Not Used
64 DTV-Pr DTV Pr Signal Input
65 NU Not Used
Component Video Pr Signal
66 VIDEO-Pr
Input
67 RF-CVBS Composite Video Signal Input
68 AVDDC +3.3V VDD
69 AVSSC GND
70 NU Not Used
71 VIDEO-IN1 Composite Video Signal Input
72 NU Not Used
73 DTV-Y DTV Y Signal Input
74 NU Not Used
Component Video Y Signal
75 VIDEO-Y
Input
Function
A7120PIN