Yamaha AV-S70 Service Manual page 10

AV-S70/NX-SW70
QQ
3 7 63 1515 0
2. DSP Through
In the DIGITAL input mode, AC3/PCM AUDIO signal is automatically identified. There are 3 sub-menu
items.
YSS908-SRAM
The main L/R signal is sent through AC3D2av into DSP. After passing through SRAM,
the main L/R signal is output through L+R and C/LFE and RL/RR signals through
(L+R)/2.
ANALOG IN
DIGITAL IN
AUX IN :
VOLUME :
CN102 (Page 30, C-4)
MAIN L (1kHz) :
MAIN R (1kHz) :
LFE (30Hz) :
TE
REAR L (1kHz) :
L 13942296513
REAR R (1kHz) :
YSS908-SRAM
The main L/R signal is sent through AC3D2av into DSP. The main L/R signal is
output through L+R and C/LFE and RL/RR signals through (L+R)/2.
ANALOG IN
DIGITAL IN
www
AUX IN :
VOLUME :
CN102 (Page 30, C-4)
MAIN L (1kHz) : .
MAIN R (1kHz) :
LFE (30Hz) :
REAR L (1kHz) :
REAR R (1kHz) :
9
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CODEC.AD
CS4227
DIR2
YM3436
– 20dBV, Both ch
MAX
– 20dBV
– 20dBV
– 34dBV
– 26dBV
– 26dBV
CODEC.AD
CS4227
DIR2
YM3436
– 20dBV, Both ch
MAX
x ao
y
– 20dBV i
– 20dBV
– 34dBV
– 26dBV
– 26dBV
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8
AC3Dav(YSS908)
DECODER DSP
(L+R)
(L+R)
(L+R)
/2
(L+R)
/2
256K SRAM
Q Q
3 6 7 1 3
AC3Dav(YSS908)
DECODER DSP
L/R
L/R
L/R
L/R
256K SRAM
u163
.
The shaded square means that the element included in it does not operate.
2 9 9 4 2 8
MAIN L
CODEC.DA
MAIN R
REAR L
REAR R
CENTER
CS4227
LFE
1 5 0 5 8 2 9 9 4
MAIN L
CODEC.DA
MAIN R
REAR L
REAR R
CENTER
CS4227
LFE
m
co
9 9
2 8 9 9