Karaoke Block Diagram(Karaoke Model Only) - LG GoldStar DVD5185 Service Manual

6. KARAOKE Block Diagram(KARAOKE MODEL ONLY)

Microphone1
1 The unit turns to KARAOKE MODE with ou-screen lyrics display and melody sound when it play backs
VCD or DVD KARAOKE DISC.
2. IF a microphone is connected at this time, MICON recoguizes the connection and prepares the compo-
sition of external voice and internal melody.
3. The week signal of the microphone is converted to the digital signal after voice output that has passed
through PREAMP(BA3308) and AMP(KIA4558) passes through(CS5331) that is Audio ADC(Analog to
Digital convertor).
4. This digital signal enters NS that is MPEG IC and is added to the output of DVD DSP (Processor)
5. This mixed signal is output to AV JACK after passing through AUDIO DAC(CS4391).
OPTION
Microphone
signal
AMP
PREAMP
KIA4558
IC801
(Block Digram)
3-19
AUDIO
AMP
ADC
KIA4558
CS5331
2CH
AUDIO
DAC
CS4391
MPEG
Ziva5.0
DSP