Ic Pin Function Descriptions - Emerson EWF2006 Service Manual

Emerson ewf2006 20" pure flat color television
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IC PIN FUNCTION DESCRIPTIONS

IC111 (TV Micro Controller)
Pin
Signal Name
No.
1
CNVSS
GND
2
NU
Not Used
3
NU
Not Used
4
NU
Not Used
5
GND
GND
6
VCC
ALL +5V
7
NU
(GND)
8
FILT
Filter
9
HLF
Horizontal Filter
10 VHOLD
Vertical Hold
11 CVIN
Composite Video Signal Input
12 RESET
Reset
MCU RESET
13
Reset Signal Output
OUT
14 Y-SW OUT
Composite Video Signal Output
15 GND
GND
16 3.58 X'TAL
Crystal Oscillation (3.58MHz)
17 C-APC
Chrominance APC
MCU 5.7REG
+5.7V Regulator Control Signal
18
OUT
Output
19 NU
Not Used
20 NU
Not Used
21 NU
Not Used
22 VCC
Vcc
23 NU
(GND)
24 CVBS IN2
Composite Video Signal 2 Input
25 NU
Not Used
26 CVBS IN1
Composite Video Signal 1 Input
27 NU
Not Used
+5.7V REG
+5.7V Regulator Control Signal
28
OUT
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
33 NU
Not Used
34 NU
Not Used
35 NU
Not Used
36 NU
Not Used
37 V RAMP F/B
Vertical Ramp Feed Back
Function
11-1
Pin
Signal Name
No.
38 V RAMP OUT Vertical Ramp Output
39 V RAMP CAP Vertical Ramp OSC Capacitor
8.7 VREG
40
DC 8.7V Output
OUT
41 NU
Not Used
42 H VCO F/B
Horizontal Vco Feed Back
43 AFC FILT
Horizontal AFC Filter
44 GND
GND
45 FBP IN
Flyback Pulse Input
46 H-OUT
Horizontal Pulse Output
47 VCC
Vcc
48 VCC
Vcc
49 VCC
Vcc
50 R OUT
Red Signal Output
51 G OUT
Green Signal Output
52 B OUT
Blue Signal Output
53 ACL
Automatic Contrast Limiter
54 NU
Not Used
55 NU
Not Used
56 SDA
Serial Data
57 A-MUTE
Audio Mute Signal Output
58 SCL
Serial Clock
59 NU
(GND)
60 NU
Not Used
Detecting S-VIDEO Jack
61 S-SW
Connection
62 VOLUME
Volume Control Signal Output
63 INPUT0
Input Select 0 Signal Output
64 NU
Not Used
65 NU
Not Used
66 KEY-IN 1
Key Input 1 (Main)
67 PROTECT-2
Power Supply Protection 2
68 PROTECT-1
Power Supply Protection 1
69 KEY-IN 2
Key Input 2 (Main)
70 RCV-IN
Remote Control Signal Input
71 P-ON-L
Power On Signal at Low
72 I2C OPEN
Chip Select
73 AFT-IN
AFT Voltage Input
74 DG-ON-H
Degaussing Coil Control
75 AGC
Auto Gain Control
76 PROTECT 3
Power Supply Protection 3
Function
L3300PIN

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