Yamaha RX-V557 Service Manual page 31

2. RAM THROUGH
Using the sub-menu, it is possible to select margin output
or full-bit output.
RAM MARGIN
Following head margin is reserved.
FRONT
+15.0 dB
Reference data
INPUT: DVD ANALOG
SUBWOOFER OUTPUT: 50 Hz, Others: 1 kHz
Input level Volume
Both ch, -20 dBm +6.0 dB
RAM FULL BIT
No head margin is reserved except SW.
FRONT
0 dB
Reference data
INPUT: DVD ANALOG
SUBWOOFER OUTPUT: 50 Hz, Others: 1 kHz
Input level Volume
Both ch, -20 dBm +6.0 dB
When input source is stereo, signal is assigned as below.
2ch信号入力時、以下のように信号を振り分けて出力します。
CENTER SURROUND
+14.0 dB +9.0 dB
FRONT L/R CENTER
+13.0 dBm +13.0 dBm
CENTER SURROUND
0 dB
FRONT L/R CENTER
+6.0 dBm +13.0 dBm
XMDT
(U, C)
DIR
LC89057
A/D
AK4628
(Shaded items not used in this example)
→ Center / Surround L / Surround Back L, R
Front L
→ Surround R
Front R
Front L +10 dB → SWFR
2. RAM THROUGH
サブメニューによりMARGIN/Full Bitが選択可能です。
RAM MARGIN
以下のヘッドマージンを取ります。
SURROUND BACK
+7.5 dB
SPEAKERS OUT
SURROUND L/R
+13.0 dBm
RAM FULL BIT
SW以外のヘッドマージンを取りません。
SURROUND BACK
0 dB 0 dB
SPEAKERS OUT
SURROUND L/R
+13.0 dBm
FL / FR
DSP
(DECODE)
C / SW
(POST PROCESSING)
TI DA60Y
SL / SR
SBL / SBR
DRAM ROM
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
SUBWOOFER
+18.0 dB
SUBWOOFER
SURROUND BACK L/R OUTPUT
+13.0 dBm +0.5 dBm
SUBWOOFER
+18 dB
SUBWOOFER
SURROUND BACK L/R OUTPUT
+13.0 dBm +0.5 dBm
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