Circuit Operating Descriptions
7-46
7-14 DVD Audio
(1) Outline
A/V decoder (U1 ; Vibratto
∏
) is supply to DATA 0 for 2-channel mixed audio output.
The audio data transmitted from A/V decoder (U1 ; Vibratto
∏
) are converted into analog signal via audio D/A
converter and outputted via post filter and amplifier.
CD and VCD are outputted with only 2 channels audio data and transmit them to Data 0.
If DVD of multichannel Source disc, if is downmixed and transmit them to Data0.
If you want to listen to the multichannel output, you have to connect digital output with AC-3 amp or
MPEG/DTS amp.
(2) Block Diagram
AIC2
PCM1742KE
D/A CONVERTER
POST FILTER
POST FILTER
AMP
AMP
ZIC1
(Vibratto
II
)
A/V Decoder
DATA0
LRCK
BCK
L
R
Mixed Audio Output (2-Channel)
Fig. 7-41
