Pro Logic - Yamaha RX-V340 Service Manual

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3. PRO LOGIC

PRO LOGIC I
Reference data
INPUT: DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Input level
Volume
Each ch, -20 dBm
Both ch, -20 dBm
PRO LOGIC II
Reference data
INPUT: DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Input level
Volume
Each ch, -20 dBm
Both ch, -20 dBm
The L/C/R/RL/RR signals undergo the Pro-Logic
processing and C/RL/RR signals are output through Sub
TE
L 13942296513
DSP-DRAM. Main DSP is selected for MAIN L/R output.
Using the sub-menu, it is possible to select PRO LOGIC I,
II (Movie). The Auto Input Balance function is always off.
When the Dolby Digital Multi input is used, the function is
the same as in the Dolby Digital Normal mode.
The LFE signal is not output when decoding in the PRO
LOGIC I, II mode.
Dolby Pro Logic (Auto)
Analog
A/D
www
Digital
.
24
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SPEAKER OUTPUT (1kHz)
MAIN L/R
CENTER
-10 dB
+10.8 dBm
- ∞
-10 dB
+13.8 dBm
SPEAKER OUTPUT (1kHz)
MAIN L/R
CENTER
-10 dB
+10.8 dBm
- ∞
-10 dB
+13.8 dBm
CS L/R
AD or CS L/R
DIR
x
ao
y
i
(Shaded items not used in this example)
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8
3. PRO LOGIC
PRO LOGIC I
SUBWOOFER
RL/RR
OUTPUT (50Hz)
- ∞
- ∞
-9.2 dBm
- ∞
PRO LOGIC II
SUBWOOFER
RL/RR
OUTPUT (50Hz)
- ∞
- ∞
-9.2 dBm
- ∞
L/C/R/RL/RRはYSS938によりプロロジック処理され、C/
Q Q
RL/RRはSub DSP-DRAM経由で出力されます。MAIN L/R
3
6 7
1 3
出力にはMain DSPが選択されます。
サブメニューでPRO LOGIC I、II (Movie) を選択可能で
す。常時Auto Input Balance offです。
AAC入力時はCS49329でデコード後、L/Rはプロロジッ
ク処理されます。 (J modelのみ)
Dolby Digital Multi入力時は、通常のDolby Digital Normal
と同じ動作をします。
PRO LOGIC I、IIデコード時は、LFEは出力されません。
dts/AAC
decode
RC/-
C/LFE LS/RS
CS49329
L/R
DPL/PLII
LS/RS
decode
C/-
u163
Main DSP
.
4Mbit DRAM
2 9
9 4
2 8
- ∞
- ∞
1 5
0 5
8
2 9
9 4
L/R
CS L/R
DIR L/R
YSS L/R
L/R
Virtual or HP
L/R
L/R
C
C/SW
Sp Config
m
RL/RR
RL/RR
FL/FR
co
Sub DSP
9 9
2 8
9 9

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