7HD-4.(CS)RGBand VDSignalsignalsAmplificationare also switchedSectionin 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

Fig. 7-4-1 Block diagram of M52348FP

0.01µ

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+

47µ

0.01µ

OUTPUT

ROUT G OUT B OUT

G OUT (for Sync on G)

H OUT V OUT

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+

 

 

+

 

 

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0.01µ

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+

 

 

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+

0.01µ

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RIN1

RGB GIN1 input BIN1 HIN1 VIN1

RIN2 Demodulation GIN2

VIDEO BIN2

RGBHIN2 VIN2

High : Demodulation

VIDEO

Low : RGB input

7-4-2. Sync Signal Process Circuit

7-12

Page 39
Image 39
Toshiba TLP511U, TLP511E, TLP510E, TLP510U RGB Signal Switch Circuit output terminal for SYNC/G, Sync Signal Process Circuit