Yamaha AV-S77 Service Manual page 14

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AV-S77
DSP FULL BIT
The main L/R is input through AC3Dav to DSP and then output through all
channels. The same applies as "YSS918" except that the digital data is output in
full bit at D/A.
AUX IN
:
VOLUME
:
CN301 (Page 31, G3)
MAIN L (1kHz)
:
MAIN R (1kHz)
:
SUBWOOFER (30Hz) :
REAR L (1kHz)
:
REAR R (1kHz)
:
CENTER (1kHz)
:
3. AC-3/dts Through
Only the signal of the digital system is input. The AC3 signal is decoded and reproduced according to
the input source.
The AC-3 signal in each channel is AC-3 decoded and output through AC3Dav. The
combined status information of the sampling frequency and the number of channels
of the AC3 signal appears on the Fl display.
CODEC.AD
ANALOG IN
DIGITAL IN
Status information
AC3 48k 3/2
Sampling frequency
13
– 20dBV, Both ch
MAX
– 11dBV
– 11dBV
– 13dBV
– 17dBV
– 17dBV
< – 45dBV
AC3Dav(YSS918)
CS4227
DECODER
DOLBY DIGITAL
DIR2
or
PRO LOGIC
YM3436
Number of channels
DSP
L/R
L/R
CODEC.DA
C/LFE
C/LFE
LS/RS
LS/RS
CS4227
256K SRAM
The shaded square means that the element included in it does not operate.
Sampling frequency (Display)
Analog
Analo
32kHz
32k
44.1kHz
44.1k
48kHz
48k
MAIN L
MAIN R
REAR L
REAR R
CENTER
SUB WOOFER
Number of channels
(Front/Rear)
(Display)
1+1
1+1
1/0
1/0
2/0
2/0
3/0
3/0
2/1
2/1
3/1
3/1
2/2
2/2
3/2 5.1ch
3/2
7.1 (DTS)
7.1

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