M52749FP
Block Diagram
V
CC
= 12 V
42
OSD IN (R)
4
2
INPUT (R)
V
CC
(R) 12 V
3
5
OSD IN (G)
9
6
INPUT (G)
V
CC
(G) 12 V
8
10
OSD IN (B) 13
11
INPUT (B)
V
CC
(B) 12 V 12
16
Contrast
17
(ABL) IN
7
INPUT (G)
SOG Sep OUT 20
21
Clamp Pulse IN
14
1
OSD BLK IN
Sync on
Green Sep
Main
contrast
8 bit
OSD
level 4 bit
Clamp
F/B
Clamp
Sub
contrast
Main
contrast
OSD Mix
Amp
Retrace
blanking
33 OUTPUT (B)
35 Main Contrast
Ref
31 Main Contrast
Cont
19 V
CC
5 V
(Digital)
DAC
BUS
I/F
23 SDA
22 SCL
24
25 26 27 28 29
DAC output
32
36
39
Clamp
F/B
Clamp
Sub
contrast
Main
contrast
OSD Mix
Amp
Retrace
blanking
38 OUTPUT (G)
Clamp
F/B
Clamp
Sub
contrast
Main
contrast
OSD Mix
Amp
Retrace
blanking
41 OUTPUT (R)
Main
Brightness
34
Retrace
BLK IN
30
B Sub Cont 8 bit
G Sub Cont 8 bit
R Sub Cont 8 bit
REJ03F0194-0201 Rev.2.01 Mar 31, 2008
Page 2 of 26
RENESAS [ RENESAS TECHNOLOGY CORP ]
