Yamaha AV-S70 Service Manual page 12

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AV-S70/NX-SW70
QQ
3 7 63 1515 0
4. Pro Logic
The sub-menu items include selection of Pro-logic (The auto input balance is off.) and EFFECT OFF.
CENTER LARGE
When the analog, PCM audio or AC-3 2/0 mode is used, L, R, C, S signals are pro-
logic decoded and output. When the AC-3 mode other than 2/0 is used, the pro logic
function does not work and the signals are AC-3 reproduced.
ANALOG IN
DIGITAL IN
AUX IN
:
VOLUME
:
TE
L 13942296513
CN102 (Page 30, C-4)
MAIN L (1kHz)
:
MAIN R (1kHz)
:
LFE (30Hz)
:
REAR L (1kHz)
:
REAR R (1kHz)
:
EFFECT OFF
The L/R signal is output through MAIN BYPASS.
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.
11
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CODEC.AD
CS4227
DIR2
YM3436
– 20dBV, Both ch
MAX
– 20dBV
– 20dBV
– 28dBV
< – 45dBV
< – 45dBV
x
ao
y
i
http://www.xiaoyu163.com
8
AC3Dav(YSS908)
DECODER
DSP
L/R
L/R
DOLBY DIGITAL
or
C
C
PRO LOGIC
S
S
256K SRAM
AUX IN
VOLUME
Q Q
3
6 7
1 3
CN102 (Page 30, C-4)
MAIN L (1kHz)
MAIN R (1kHz)
LFE (30Hz)
REAR L (1kHz)
REAR R (1kHz)
u163
.
2 9
9 4
2 8
MAIN L
CODEC.DA
MAIN R
CENTER
REAR L
CS4227
REAR R
:
– 20dBV, L ch only
:
MAX
1 5
0 5
8
2 9
9 4
:
– 20dBV
:
< – 45dBV
:
– 32dBV
:
< – 45dBV
:
< – 45dBV
m
co
9 9
2 8
9 9

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