Yamaha DSP-AX2 Service Manual page 14

DSP-AX2
1. DSP THROUGH
DSP 0dB
Reference (PRE OUT)
INPUT : DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Both ch, -20 dBV, volume 0dB
(In the case of 2-ch source)
ANALOG
DIGITAL
(In the case of multi-ch source)
• AC3D3 outputs signals using DOLBY DIGITAL/dts decode operation.
ANALOG
DIGITAL
13
DSP 0dB [Remote control code: 7A—91 (PRG 10)]
• The input signal is automatically identified and switched in the priority order of dts
DIGITAL PCM AUDIO
• L/R, C/RC, FL/FR, RL/RR and SWFR signals are output through DSP (see the signal
path in the figure below) without using the external DRAM. (Head margin included)
Head margin
MAIN L/R: 0dBFS
CENTER: -6dBFS
REAR CENTER: -3dBFS
FL/FR: -6dBFS
RL/RR: -12dBFS
SWFR: Add L/R signal at -20dBFS.
Condition
AC3D3 YSS928
CODEC
(A/D)
MAIN
AK4527
DSP
(Decoder)
PCM THR
DIR
AC3D3 YSS928
CODEC
(A/D)
MAIN
AK4527
DSP
(Decoder)
DD/dts
DIR
DECODER
Note: (SDOxx) represents a terminal name of AC3D3.
The shaded square (
Analog (A/D) according to the signal detection.
MAIN L/R CENTER REAR C
-3.5 dBV -3.5 dBV -3.5 dBV
L/R L/R
SDOA0
SUB DSP
L
SDOB0
R
SDOB1
L/R
L/R
SDOB2
L/R
SDOB3
4M DRAM
L/R
L/R SDOA0
SUB DSP
C/LFE
C SDOB0
LFE
SDOB1
L/R
L/R SDOB2
LS/RS
LS/RS SDOB3
4M DRAM
) means that the element included in it does not operate.
DOLBY
SWFR REAR L/R FRONT L/R
+8.5 dBV -3.5 dBV -3.5 dBV
L
FILTER D/A
DF1704 PCM1704
FILTER D/A R
DF1704 PCM1704
FILTER D/A
C
DF1704 PCM1704
CODEC RC
(D/A)
SWFR
AK4527
FL
FR
RL
RR
L
FILTER D/A
DF1704 PCM1704
FILTER D/A
R
DF1704 PCM1704
FILTER D/A
C
DF1704 PCM1704
CODEC RC
(D/A)
SWFR
AK4527
FL
FR
RL
RR