Aiwa VX-G142 Service Manual page 63

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