Rgb Signal Amplification Section - Toshiba TLP510E Technical Training Manual

7-4. RGB Signal Amplification Section

HD (CS) and VD signals are also switched in the same
way as described above. This IC provides the exclusive
7-4-1. RGB Signal Switch Circuit
output terminal for SYNC/G.
The RGB input signals and the video signal demodu-
The RGB signals developed enter the RGB amplification
lated into RGB signals are switched by QB011 (Analog
circuit via buffers, and the HD (CS), VD, SYNC/G signals
SW: M52348FP). The block diagram of QB011 is shown
enter the sync signal process circuit.
in Fig. 7-4-1.
Vcc
5V
0.01µ
36 35 34
1 2 3
+
0.01µ 0.01µ
+
R 1
IN
G 1
IN
RGB
B 1
IN
input
H 1
IN
V 1
IN
R 2
IN
Demodulation G 2
IN
B 2
IN
VIDEO
H 2
IN
RGB
V 2
IN
7-4-2. Sync Signal Process Circuit
0.01µ 0.01µ
33 32 31 30 29
4 5 6 7 8
+ +
0.01µ
+ +
Fig. 7-4-1 Block diagram of M52348FP
0.01µ
28 27 26 25 24
9 10 11 12 13
+
0.01µ
0.01µ
7-12
OUTPUT
R
OUT
G
OUT
B
OUT
G
OUT (for Sync on G)
H
OUT
+
V
OUT
47µ
23 22 21 20 19
14 15 16 17 18
+ +
High : Demodulation
VIDEO
Low : RGB input