3-29
6. KARAOKE Block Diagram(KARAOKE MODEL ONLY)
1. The unit turns to KARAOKE MODE with on-screen lyrics display and melody sound when it playbacks
VCD or DVD KARAOKE DISC.
2. If a microphone is connected at this time,MICOM recognizes the connection and prepares the compo-
sition of external voice and internal melody.
3. The weak signal of the microphone passes through PREAMP(BA3308) and is converted to digital sig-
nal by the AUDIO ADC block inside MPEG IC(ALI M3355).
4. The mixed signal is output to A/V JACK after passing through AUDIO DAC(CS4391).
Microphone1
Microphone2
AUDIO
ADC
MPEG
Ali M3355
Microphone
Signal
PREAMP
(BA3308)
AUDIO
DAC
CS4391
(Block Digram)
DV8000’s ALI
Summary of Contents for DVB413
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Page 50: ...3 51 3 52 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
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