11-1
L4805PIN
IC PIN FUNCTION DESCRIPTIONS
IC301 (TV Micro Controller)
Pin
No.
Signal Name
Function
1
RCV-IN
Remote Control Signal Input
2
VOLUME
Volume Control Signal Output
3
DTV-H
DTV On Signal at High
4
P-ON-H
Power On Signal at High
5
RESET
Reset
6
NU
Not Used
7
ACL
Automatic Contrast Limiter
8
PROTECT-3
Power Supply Protection 3
9
AUDIO-MUTE2 Audio Mute 2 Signal Output
10 AUDIO-MUTE1 Audio Mute 1 Signal Output
11 NU
Not Used
12 AFT-IN
AFT Voltage Input
13 DEF-VCC
DEF VCC(+8V)
14 VRAMP+
Vertical Ramp+
15 NU
Not Used
16 AFC1-FIL
Horizontal AFC1 Filter
17 DEF-VCC
DEF VCC(+5.0V)
18 HOUT
Horizontal Pulse Output
19 FBP-IN
Flyback Pulse Input
20 GND
GND
21 C-APC
Chrominance APC
22 XTAL
Crystal Oscillation(3.58MHz)
23 GND
Chrominance GND
24 NU
Not Used
25 EW-OUT
EW-OUT
26 NU
Not Used
27 NU
Not Used
28 +8V-CTRL
+8V Regulator Control Signal
Output
29 CVBS2-IN
Composite Video Signal 2
Input
30 VCC(+5V)
Chrominance VCC(+5.0V)
31 CVBS1-IN
Composite Video Signal 1
Input
32 +5V-CTRL
+5V Regulator Control Signal
Output
33 Cr1-IN[YUV]
Component Video Cr Signal
Input
34 Cb1-IN[YUV]
Component Video Cb Signal
Input
35 Y1-IN[YUV]
Component Video Y Signal
Input
36 +1.8V-CTRL
+1.8V Regulator Control Signal
Output
37 C-IN[YC]
Chrominance Signal Input
38 Y-IN[YC]
Luminance Signal Input
39 NU
Not Used
40 Cb2-IN[YUV]
DTV Cb Signal Input
41 Cr2-IN[YUV]
DTV Cr Signal Input
42 Y2-IN[YUV]
DTV Y Signal Input
43 NU
Not Used
44 VCC(+9V)
VREG VCC
45 CVBS3-IN
Composite Video Signal 3
Input
46 NU
Not Used
47 FSC-OUT
Clock Output
48 VCC(+8V)
HI VCC(+8V)
49 R-OUT
Red Signal Output
50 G-OUT
Green Signal Output
51 B-OUT
Blue Signal Output
52 ANALOG-VCC Analog VCC(3.3V)
53 VRT
Vref Top
54 NU
Not Used
55 VRB
Vref Bottom
56 RAMPFIL
Ramp Filter
57 GND
Analog GND
58 VRAMP-C
Vertical Ramp Capacitor
59 GND
Sub GND
60 PROTECT-2
Power Supply Protection 2
61 NU
Not Used
62 INPUT1
Input Select 1 Signal Output
63 INPUT0
Input Select 0 Signal Output
64 DTV-S-RESET DTV Reset
65 NU
Not Used
66 VDD(+3.3V)
+3.3V DIGI VDD
67 DTV-S-SREQ
DTV Serial Request
68 DTV-S-SCLK
DTV Serial Clock
69 GND
GND
70 DTV-S-SIN
DTV Serial Data In
71 VDD(+1.8V)
+1.8V DIGI VDD
72 DTV-S-SOUT
DTV Serial Data Out
73 KEY-IN1
Key Input 1
74 PROTECT-1
Power Supply Protection 1
75 DG-ON-H
Degaussing Coil Control Signal
Pin
No.
Signal Name
Function
Содержание IWF2706
Страница 1: ...SERVICE MANUAL 27 ANALOG DIGITAL PURE FLAT COLOR TELEVISION IWF2706...
Страница 34: ...8 3 Main 1 5 Schematic Diagram L4803SCM1...
Страница 35: ...8 4 L4803SCM2 Main 2 5 Schematic Diagram...
Страница 36: ...8 5 Main 3 5 Schematic Diagram L4803SCM3...
Страница 37: ...8 6 L4803SCM4 Main 4 5 CRT Schematic Diagram...
Страница 40: ...8 9 Digital 2 3 Schematic Diagram L4803SCD2...
Страница 60: ...IWF2706 L4803UD 2006 03 10...