Ram Through - Yamaha DSP-AX2 Service Manual

Yamaha av amplifier service manual
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3. RAM THROUGH

The input data is automatically identified and switched in the priority order of dts
PCM AUDIO
Analog (A/D) according to the signal detection.
The main L/R uses the analog through method when analog signals are input and the DSP through
method when digital signals are input.
C/RC, RL/RR and FL/FR signals are output through the external DRAM.
3. RAM THROUGH
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
CODEC
(A/D)
AK4527
DIGITAL
(In the case of multi-ch source)
• AC3D3 outputs signals using DOLBY DIGITAL/dts decode operation.
ANALOG
CODEC
(A/D)
AK4527
DIGITAL
0dB [Remote control code: 7A—11 (TUNER PRESET -)]
Condition
MAIN L/R
-3.5 dBV
AC3D3 YSS928
L/R
MAIN
DSP
(Decoder)
PCM THR
DIR
AC3D3 YSS928
L/R
MAIN
DSP
(Decoder)
L/R
DD/dts
DIR
C/LFE
DECODER
LS/RS
Note: (SDOxx) represents a terminal name of AC3D3.
The shaded square (
DOLBY DIGITAL
CENTER
REAR C
-3.5 dBV
-3.5 dBV
FILTER
DF1704
L/R
SDOA0
FILTER
SUB DSP
DF1704
FILTER
L+R/2
SDOB0
DF1704
L+R/2
RC
SDOB1
L/R
L/R
SDOB2
L/R,
L+R/2
L/R
SDOB3
4M DRAM
FILTER
DF1704
L/R
SDOA0
FILTER
SUB DSP
DF1704
C
SDOB0
FILTER
DF1704
L/R,
LFE
SDOB1
L/R
SDOB2
LS/RS
SDOB3
4M DRAM
) means that the element included in it does not operate.
DSP-AX2
SWFR
REAR L/R
FRONT L/R
+8.5 dBV
-3.5 dBV
-3.5 dBV
L
D/A
PCM1704
D/A
R
PCM1704
D/A
C
PCM1704
CODEC
RC
(D/A)
SWFR
AK4527
FL
FR
RL
RR
L
D/A
PCM1704
D/A
R
PCM1704
D/A
C
PCM1704
CODEC
RC
(D/A)
SWFR
AK4527
FL
FR
RL
RR
16

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