Ic Pin Function Descriptions - Emerson CR202EM8 Service Manual

20" digital / analog pure flat television
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IC PIN FUNCTION DESCRIPTIONS

IC111 (TV Micro Controller)
Pin
Signal Name
No.
1
GND
GND
2
VOLUME
Volume Control Signal Output
3
NU
Not Used
4
RCV-IN
Remote Control Signal Input
5
TEST0
GND
6
PROTECT-1
Power Supply Protection 1
7
PROTECT-2
Power Supply Protection 2
8
PROTECT-3
Power Supply Protection 3
9
KEY-IN1
Key Input 1
10 NU
Not Used
11 NU
Not Used
12 DTV-ON-H2
DTV On Signal 2 at High
13 DTV-S-RESET DTV Reset
14 DTV-ON-H
DTV On Signal at High
15 GND
GND
16 ACL
Automatic Contrast Limiter
Composite Video Signal
17 Y-SW OUT
Output
18 XTAL
Crystal Oscillation(3.58MHz)
19 C-APC
Chrominance APC
MCU +5.7V
+5.7V Regulator Control Signal
20
REG.OUT
Output
Composite Video Signal 3
21 CVBS-IN3
Input
22 V/C VCC
VCC
Composite Video Signal 2
23 CVBS-IN2
Input
24 GND
GND
25 DTV-Y-IN
DTV Y Signal Input
26 DTV-Cb-IN
DTV Cb Signal Input
27 DTV-Cr-IN
DTV Cr Signal Input
+5.7V
+5.7V Regulator Control Signal
28
REG.OUT
Output
29 C-IN[Y/C]
Chrominance Signal Input
30 Y-IN[Y/C]
Luminance Signal Input
31 VREG VCC
VCC
32 FSC-OUT
Clock Output
33 NU
Not Used
34 NU
Not Used
Composite Video Signal 1
35 CVBS-IN1
Input
36 V-RAMP-F/B
Vertical Ramp Feed Back
Function
11-1
Pin
Signal Name
No.
37 V-RAMP-OUT
Vertical Ramp Output
38 V-RAMP-CAP
Vertical Ramp OSC Capacitor
+8.7V
+8.7V Regulator Control Signal
39
REG.OUT
Output
40 H VCO F/B
Horizontal Vco Feed Back
41 AFC FILT
Horizontal AFC Filter
42 GND
GND
43 FBP-IN
Flyback Pulse Input
44 H-OUT
Horizontal Pulse Output
45 VCC(+8V)
+8V VCC
46 VCC(+8V)
+8V VCC
47 R-OUT
Red Signal Output
48 G-OUT
Green Signal Output
49 B-OUT
Blue Signal Output
50 RESET-OUT
Reset Output
51 NU
Not Used
52 NU
Not Used
Detecting S-VIDEO Jack
53 S-SW
Connection
54 DTV-S-SREQ
DTV Serial Request
55 BUS-CONT
BUS Control
56 RESET
Reset
57 DTV-S-SCLK
DTV Serial Clock
58 DTV-S-SIN
DTV Serial Data In
59 DTV-S-SOUT
DTV Serial Data Out
60 HLF
Horizontal Filter
61 VHOLD
Vertical Hold
62 CV-IN
Composite Video Signal Input
63 AFT-IN
AFT Voltage Input
64 DTV-PROTECT DTV Power Supply Protection
65 INPUT-1
Input Select 1 Signal Output
66 GND
GND
67 NU
Not Used
68 NU
Not Used
69 GND
GND
70 FILT
Filter
71 VDD(+5V)
+5V VDD
72 SPOT-KILL
Counter Measure for Spot
73 NU
Not Used
74 NU
Not Used
75 AUDIO-MUTE
Audio Mute Signal Output
76 P-ON-H
Power On Signal at High
Function
P7150PIN

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