Dvd switch block diagram, Fig. 4-1 – Toshiba TW40F80 User Manual

Page 34

background image

34

1. DVD SWITCH BLOCK DIAGRAM

53

52

51

4

5

6

13

15

C

Y

Y

Q

I

Y

Q

I

DVD SWITCH UNIT

QW01 TC4053BP

L

H

L

H

L

H

WAC UNIT

Y

Q (B - Y)

I (R - Y)

Y

Q

I

Y

Q

I

Y C

DUAL UNIT

Sub V.

Sub Y.

Sub C.

ZY01 Y/C SEPARATOR

42

Sub V.

36

34

Y

C

QV01 AV SW
TA1218N

21

VIDEO

3

VIDEO

1

Insertion detection

10

DVD CONTROL

I C BUS

2

QA01
MAICROPROCESSOR

"L" = Normal
"H" = DVD

VIDEO2/

DVD

Q501 VCD
TA1222AN

I C BUS

2

MAIN

Y, Cr, Cb

Fig. 4-1

SECTION IV: DVD SWITCH CIRCUIT