12-1
A7144PIN
IC PIN FUNCTION DESCRIPTIONS
IC31 (IF Signal Process)
IC61, IC1205 (Memory)
IC1202 (LCD Drive / LCD Signal
Process / TV Micro Controller)
Pin
No.
Signal Name
Function
1
V-OUT
Video Signal Output
2
DEFECT-SW
Defect Switching
3
VCC
VCC
4
DET-OUT
Video Detect Output
5
APC
APC Filter
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
Pin
No.
Signal Name
Function
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 Protect
8
VCC
VCC
Pin
No.
Signal Name
Function
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 VCOM
VCOM
20
BACKLIGHT-
ADJ
Inverter Control Signal Output
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 VGH-H
VGH Signal at High
27 REMOTE
Remote Control Signal Input
28 P-ON-H
Power On Signal at High
29 BUS-OPEN
Chip select
30 SCL
Serial Clock
31 SDA
Serial Data
32 NU
Not Used
33 NU
Not Used
34 NU
Not Used
35 NU
Not Used
36 NU
Not Used
37 XIN
Crystal Oscillation Input
(27MHz)
38 XOUT
Crystal Oscillation Output
(27MHz)
39 VSS
GND
40 VSS
GND
41 VSS
GND
42 VDD+3.3V
+3.3V VDD
Pin
No.
Signal Name
Function
