Ic Pin Function - Sylvania SRT2227X Service Manual

IC111(TV Micro Computer)
Pin
Signal Name
No.
1 GND
2 N.U.
3 N.U.
4 N.U.
5 GND
6 VCC
7 N.U.
8 FILT
9 HLF
10 VHOLD
11 CVIN
12 RESET
MCU RESET
13
OUT
14 Y-SW OUT
15 GND
16 3.58 X'TAL
17 C-APC
MCU 5.7REG
18
OUT
19 N.U.
20 N.U.
21 N.U.
22 VCC
23 N.U.
24 CVBS IN2
25 N.U.
26 CVBS IN1
27 N.U.
28 5.7V REG OUT
29 N.U.
30 N.U.
31 V REG VCC
32 FSC OUT
33 N.U.
34 N.U.
IC PIN FUNCTIONS
Function
GND
Not Used
Not Used
Not Used
GND
AL+5V
Not Used
FILT
Filter for CCD
VHOLD
Input for Video Signal
RESET
RESET Signal Output
Composite Signal Output
GND
3.58MHz Crystal
CHROMINANCE APC
Micro controller Control
Voltage Output
Not Used
Not Used
Not Used
VCC
(GND)
Composite Signal Input 2
Not Used
Composite Signal Input 1
Not Used
5.7V Output
Not Used
Not Used
DC 8.7V Input
Clock Output 3.58MHz
Not Used
Not Used
Pin
Signal Name
No.
35 N.U.
36 N.U.
37 V RAMP F/B
38 V RAMP OUT
39 V RAMP CAP
40 8.7 VREG OUT
41 N.U.
42 H VCO F/B
43 AFC FILT
44 GND
45 FBP IN
46 H-OUT
47 VCC
48 VCC
49 VCC
50 R OUT
51 G OUT
52 B OUT
53 ACL
54 N.U.
55 N.U.
56 SDA
57 N.U.
58 SCL
59 N.U.
60 STEREO-IN
61 N.U.
62 VOLUME
63 INPUTO
64 A-MUTE-H
65 N.U.
66 KEY-IN 1
67 PROTECT-2
68 PROTECT-1
69 KEY-IN 2
70 RCV-IN
10-1
Function
Not Used
Not Used
V Ramp Feed Back
Vertical Output
V Ramp OSC Capacitor
DC 8.7V Output
Not Used
H Vco Feed Back
Horizontal AFC Filter
GND
Flyback Pulse Input
H Pulse Output
Vcc
Vcc
Vcc
Red Output
Green Output
Blue Output
IB-Input
Not Used
Not Used
I2C-BUS Controller Interface
(Data)
Not Used
I2C-BUS Controller Interface
(Clock)
(GND)
STEREO-IN
Not Used
Volume
EXT-H
Audio Mute
Not Used
Key Input 1 (Main)
Power Supply Protection
Power Supply Protection
Key Input 2 (Main)
Input For Remote Control
L6601PIN