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2-6 A/V decoder and output circuit description
2-6-1 Outline
VIC1(A/V decoder, CL61209P) transfers video data to VIC3(PAL/NTSC digital encoder, STV0119) and audio data
to AIC3(PCM1720), AIC9(PCM1720), AIC14(PCM1723), KIC3(PCM1710, Audio D/A converter) after receiving
and decoding A/V signal compressed from DIC6(Digital copy guard, TC6804AF) and SIC7(Servo processor,
TC9420). VIC31 performs RGB encoding, copy guard processing and D/A conversion for the inputted signal and
the converted analog video signal is outputted to exterior via amplifier, low pass filter and buffer of back analog
part. The audio signal is D/A converted via AIC3, AIC9, AIC14 and KIC14, too and outputted to exterior through
analog signal process similar to video signal.
DIC6
(TC6804AF)
Digital Protection
SIC7
(TC9420F)
(TMP93CS41F) Video
Servo Processor
Samsung Electronics
Video
VIC31
VIC1
Data
(STV0119)
(LC6120P)
NTSC/PAL
A/V Decoder
Digital Encoder
KIC3
(PCM1710)
MIC1
AIC13, AIC9
MICOM
(PCM1720)
AIC14
Data
(PCM1723)
Audio D/AC
Fig. 2-49 A/V decoder and output block diagram
Low Pass
Amplifier
Filter
Low Pass
Bass
Filter
Redirection
Reference Information
Buffer
JACK
External output
Amplifier
JACK
External output
2-29
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