3. SYSTEM COMPONENT DIAGRAM OF DUAL UNIT
From tuner
SY
SC
|
|
|
| 2M memory X2 |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| ||
| Y | Y |
| Sub screen | Main/Sub |
|
|
| |||
|
|
|
|
|
|
| |||||
Video/color/ |
|
|
| process IC |
| picture |
|
|
| ||
R- Y | display super | I |
|
|
|
|
| ||||
deflection | impose |
|
| superimpose |
|
|
| ||||
|
|
|
|
|
|
| |||||
process IC | B- Y | TC4W53F | Q |
| TC9092AF | MC74HC4053F |
|
|
| ||
|
|
|
|
|
| ||||||
µPC1832GT |
| MC74HC4053F |
|
|
|
|
|
|
|
|
|
R- Y |
|
|
|
|
|
|
|
|
|
| |
|
|
| OSD | I2C BUS |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
| B- Y |
|
|
|
|
|
|
|
|
|
|
| I |
|
| Sub screen | Y | I | Q | Y | I | Q | |
|
|
|
|
|
|
|
|
| |||
|
|
| control micro- | Wide aspect |
|
|
| ||||
|
|
|
|
|
|
| |||||
| Q |
|
| processor | conversion |
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| TC9097F |
|
|
| ||||
| Control |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| I2C BUS |
|
|
|
|
|
| |
|
|
| From main microprocessor | Y | I | Q |
|
|
| ||
|
|
|
|
|
|
|
|
| |||
|
|
|
|
| From tuner |
|
|
|
|
|
|
|
|
|
|
| SY |
|
| V/C/D IC |
|
| |
|
|
|
|
| SC |
|
| TA1222N |
|
|
To CRT G
B
R
Fig.
45