Ic Pin Function Descriptions - Sharp LC-15AV7U Service Manual

IC31 (IF Signal Process)
Pin
Signal Name
No.
1 V-OUT Video Signal Output
2 DEFECT-SW Defect Switching
3 VCC VCC
4 DET-OUT Video Detect Output
5 APC APC ilter
6 VCO-F/B Vco Feed Back
7 SIF-IN SIF Input Signal
8 SIF-OUT SIF Output Signal
9 NU
Not Used
10 NU Not Used
11 REF-SIGNAL Reference Signal Input
12 VCC VCC
13 AFT AFT Output
14 NU Not Used
15 GND GND
16 VIF-IN1 VIF Input 1 Signal
17 VIF-IN2 VIF Input 2 Signal
18 IF-AGC1 IF Auto Gain Control 1
19 IF-AGC2 IF Auto Gain Control 2
20 EQ-AMP-F/B Equalizer Amp Feed Back
IC61, IC1205 (Memory)
Pin
Signal Name
No.
1 A0 Slave Address 0 Input
2 A1 Slave Address 1 Input
3 A2 Slave Address 2 Input
4 GND GND
5 SDA Serial Data
6 SCL Serial Clock
7 WP Write rotect
8 VCC VCC
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

IC PIN FUNCTION DESCRIPTIONS

Function
F
Function
P
Function
Pin
Signal Name
No.
4 KEY-IN-2
5 AFT-IN
6 PROTECT-1
7 PROTECT-2
8 PROTECT-4
9 ADIN6
10 VSS
11 NU
12 NU
13 NU
14 NU
15 DTV-S-SOUT
16 DTV-S-SIN
17 DTV-S-SREQ
18 IF-MUTE
19 NU
BACKLIGHT-
20
ADJ
21 VDD+3.3V
22 DTV-ON-H2
23 VOLUME
24 VDD+1.2V
25 VDD+1.2V
26 NU
27 REMOTE
28 P-ON-H
29 BUS-OPEN
30 SCL
31 SDA
32
NU
33
NU
34
NU
35
NU
36
NU
37 XIN
38 XOUT
39 VSS
40 VSS
41 VSS
42 VDD+3.3V
12-1
Function
Key Input 2
AFT Voltage Input
Power Supply Protection 1
Power Supply Protection 2
Power Supply Protection 4
Reference Terminal
GND
Not Used
Not Used
Not Used
Not Used
DTV Serial Data Out
DTV Serial Data In
DTV Serial Request
IF Mute Signal Output
Not Used
Inverter Control Signal Output
+3.3V VDD
DTV On Signal 2 at High
Volume Control Signal Output
+1.2V VDD
+1.2V VDD
Not Used
Remote Control Signal Input
Power On Signal at High
Chip select
Serial Clock
Serial Data
Not Used
Not Used
Not Used
Not Used
Not Used
Crystal Oscillation Input
(27MHz)
Crystal Oscillation Output
(27MHz)
GND
GND
GND
+3.3V VDD
A7121PIN