IC DESCRIPTIONS
TB1229CN
Pin No.
Pin Name
I/O
Description
1
AV VIDEO IN
I
Input for the External Composite Video signals.
2
V-AGC
— Control to keep the V-Ramp output constant.
3
H VCC
— VCC for the DEF Block (Deflrction Family).
4
H. OUT
O Horizontal Output Terminal.
5
CURV CORR
— Corrects the screen deflection for the high voltage change.
6
FBP IN
I
FBP Input for the Horizontal AFC2 Detection/the Horizontal Blanking
Pulse.
7
COINC DET
—
Connects the filter to detect the Horizontal Synchronous signal or
Vertical Synchronous signal.
8
VDD
— VDD Terminal for the Logic Block.
9
SCL
— SCL Terminal for I2C BUS.
10
SDA
— SDA Terminal for I2C BUS.
11
D GND
— GND Terminal for the Logic Block.
12
B OUT
O Blue output Terminal.
13
G OUT
O Green output Terminal.
14
R OUT
O Red output Terminal.
15
T GND
— GND Terminal for the TEXT Block.
16
ABCL
— External Uni Color, Brightness Control Terminal.
17
RGB ACC
— VCC Terminal for the TEXT Block.
18
D-R IN
I
Digital Red Input Terminal.
19
D-G IN
I
Digital Green Input Terminal.
20
D-B IN
I
Digital Blue Input Terminal.
21
D-YS
— Selector Switch for the Halftone/Internal RGB signal/Digital RGB.
22
A-YS
— Selector Switch for the Internal RGB signal/analogue RGB.
23
A-R IN
I
Analogue Red Input Terminal.
24
A-G IN
I
Analogue Green Input Terminal.
25
A-B IN
I
Analogue Blue Input Terminal.
26
COLOR LIMITER
— Connects the filter for to detect the Color Limit.
27
TV AUDIO IN
I
Monaural Audio Signal Input Terminal.
28
AV AUDIO IN
I
Monaural Audio Signal Input Terminal.
29
AUDIO OUT
O Output the Audio Signal through the Attenuator.
30
APC FILTER
— Connects the APC filter for the Chromatic Demodulation.
31
Y2 IN
I
Input the Y signal that is separated.
32
FSC GND
— GND Terminal for the VCXO Block.
33
B-Y IN
I
Input Terminal for the B-Y signal.
34
R-Y IN
I
Input Terminal for the R-Y signal.
35
R-Y OUT
O Output the demodulated R-Y signal.
36
B-Y OUT
O Output the demodulated B-Y signal.
37
Y OUT
O Output the Y signal that is separated.
38
FSC VDD
— VDD Terminal for the VCXO Block.
39
BLACK FIL
—
Connect the filter to control the Black Stretch Gain of the Black
Stretch Circuit.
40
X. TAL
— Connect the 16.2MHz X'tal for the sub-carrier appearance.
41
Y/C VCC
— VCC Terminal for the Y/C Signal Separation Block.
42
C IN
I
Chromatic Input Terminal.
43
Y/C GND
— GND Terminal for the Y/C Signal Separation Block.
44
APL
— Connects the filter to correct the DC Restore percentage.
45
Y1 IN
I
Y Signal Input Terminal.
46
S-DEMO ADJ
— Ground.
47
TV VIDEO IN
I
Input for the TV Composite Video signals.
48
AFC1 FILTER
— Connects the filter for the Horizontal AFC1 detection.
49
SYNC OUT
O
Output the Synchronous Signal that is separeted at the Synchronous
Separation Circuit.
50
V-SEPA
— Connect the filter for the Vertical Synchronous Separation.
51
SYNC IN
I
Input for the Synchronous Separation Circuit.
52
V-RAMP
— Connect the filter for the V-Ramp Wave Form making.
53
V OUT
O Output Terminal for the Vertical Ramp Signal.
54
V NF
I
NF Input Terminal for the Vertical.
55
DEF GND
— GND Terminal for the DEF Block (Deflection Family).
56
VIDEO OUT
O
Output Terminal for the External, TV Video Input that is selected at
the Bus.
F-5
