Ic pin functions, Ic111 (tv micro controller) – Emerson 20" Color Television 6420FE User Manual
Page 39
10-1
L2401PIN
IC PIN FUNCTIONS
IC111 (TV Micro Controller)
Pin
No.
Signal Name
Function
1
CNVSS
GND
2
N.U.
Not Used
3
N.U.
Not Used
4
N.U.
Not Used
5
GND
GND
6
VCC
ALL +5V
7
N.U.
(GND)
8
FILT
FILT
9
HLF
Filter for CCD
10 VHOLD
VHOLD
11 CVIN
Input for Video Signal
12 RESET
RESET
13
MCU RESET
OUT
RESET Signal Output
14 Y-SW OUT
Composite Signal Output
15 GND
GND
16 3.58 X'TAL
3.58MHz Crystal
17 C-APC
CHROMINANCE APC
18
MCU 5.7REG
OUT
Micro controller Control
Voltage Output
19 N.U.
Not Used
20 N.U.
Not Used
21 N.U.
Not Used
22 VCC
VCC
23 N.U.
(GND)
24 CVBS IN2
Composite Signal Input 2
25 N.U.
Not Used
26 CVBS IN1
Composite Signal Input 1
27 N.U.
Not Used
28 5.7V REG OUT
5.7V Output
29 C(Y/C) IN
Chrominance Signal Input
30 Y(Y/C) IN
Luminance Signal Input
31 V REG VCC
DC 8.7V Input
32 FSC OUT
Clock Output 3.58MHz
33 N.U.
Not Used
34 N.U.
Not Used
35 N.U.
Not Used
36 N.U.
Not Used
37 V RAMP F/B
V Ramp Feed Back
38 V RAMP OUT
Vertical Output
39 V RAMP CAP
V Ramp OSC Capacitor
40 8.7 VREG OUT
DC 8.7V Output
41 N.U.
Not Used
42 H VCO F/B
H Vco Feed Back
43 AFC FILT
Horizontal AFC Filter
44 GND
GND
45 FBP IN
Flyback Pulse Input
46 H-OUT
H Pulse Output
47 VCC
Vcc
48 VCC
Vcc
49 VCC
Vcc
50 R OUT
Red Output
51 G OUT
Green Output
52 B OUT
Blue Output
53 ACL
IB-Input
54 N.U.
Not Used
55 N.U.
Not Used
56 SDA
I2C-BUS Controller Interface
(Data)
57 A-MUTE
Audio Mute
58 SCL
I2C-BUS Controller Interface
(Clock)
59 N.U.
(GND)
60 N.U.
Not Used
61 S-SW
Detect S Signal
62 VOLUME
Volume
63 INPUTO
Input Select 0
64 N.U.
Not Used
65 N.U.
Not Used
66 KEY-IN 1
Key Input 1 (Main)
67 PROTECT-2
Power Supply Protection
68 PROTECT-1
Power Supply Protection
69 KEY-IN 2
Key Input 2 (Main)
70 RCV-IN
Input For Remote Control
Pin
No.
Signal Name
Function