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Ic Pin Functions - Symphonic ST413E Service Manual

13” color television and 19” color television
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Table of Contents
IC111 (TV Micro Controller)
Pin
Signal Name
No.
1
GND
GND
2
N.U.
Not Used
3
N.U.
Not Used
4
N.U.
Not Used
5
GND
GND
6
VCC
AL+5V
7
N.U.
Not Used
8
FILT
FILT
9
HLF
Filter for CCD
10 VHOLD
VHOLD
11 CVIN
Input for Video Signal
12 RESET
RESET
MCU RESET
13
RESET Signal Output
OUT
14 Y-SW OUT
Composite Signal Output
15 GND
GND
16 3.58 X'TAL
3.58MHz Crystal
17 C-APC
CHROMINANCE APC
MCU 5.7REG
Micro controller Control
18
OUT
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 AUDIO IN2
Audio Signal Input 2
26 CVBS IN1
Composite Signal Input 1
27 AUDIO IN1
Audio Signal Input 1
28 5.7V REG OUT
5.7V Output
29 N.U.
Not Used
30 N.U.
Not Used
31 V REG VCC
DC 8.7V Input
32 FSC OUT
Clock Output 3.58MHz
33 N.U.
Not Used
34 AUDIO ATT OUT Audio Signal Output

IC PIN FUNCTIONS

Function
10-1
Pin
Signal Name
No.
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
I2C-BUS Controller Interface
56 SDA
(Data)
57 N.U.
Not Used
I2C-BUS Controller Interface
58 SCL
(Clock)
59 N.U.
(GND)
60 N.U.
Not Used
61 N.U.
(+5V)
62 N.U.
Not Used
63 EXT-H
EXT-H
64 A-MUTE-H
Audio Mute
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
Function
L2200PIN

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St419e