Yamaha DSP-AX620 Service Manual

DSP-AX620
DSP-AX620
18
Note: (SDOxx) represents a terminal name of AC3D3.
The shaded square ( ) means that the element included in it does not operate.
2. FRONT CH
• The input signal is automatically identified and switched in the priority order of dts ➝ DOLBY DIGITAL
➝ PCM AUDIO ➝ Analog (A/D) according to the signal detection.
• The front channel signal is output to the main channel.
• Signals are output through DSP (see the signal path in the figure below) without using the
external DRAM. (Head margin included)
(2ch/Multi)
*Multi: Lo/Ro Down Mix
SWFR
RL
RR
FL
FR
C
L
R
D/A
AK4382
CODEC
(D/A)
AK4527
L/R
L/R
SDOB0
SDOB2
SDOB1
SDOB3
CODEC
(A/D)
AK4527
DIR
PCM THR
MAIN
DSP
(Decoder)
SUB DSP
DIGITAL
ANALOG
AC3D3 YSS928
4M DRAM
0dB or
Mute
Mute
-6dB(Antiphase)
Mute
L/R
2.FRONT NORMAL
NORMAL [Remote control code: 7A—8B (PRG 4)]
The head margin is included and the front channel signal is output to the main channel.
Head margin
MAIN L/R: Mute
CENTER: Mute
FL/FR: -6 dBFS
RL/RR: Mute
SWFR: Mute
2.FRONT MIX
MIX [Remote control code: 7A—8C (PRG 5)]
The head margin is included and the front channel signal is output to the main channel
in the mixed state.
Head margin
MAIN L/R: 0 dB
CENTER: Mute
FL/FR: -6 dBFS
RL/RR: Mute
SWFR: Mute
Condition
Both ch, -26 dBV, volume 0dB
MAIN L/R
19.2 dBV
CENTER
- ∞ dBV
REAR L/R
- ∞ dBV
SWFR
- ∞ dBV
Reference
INPUT : DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Condition
Both ch, -26 dBV, volume 0dB
MAIN L/R
25.2 dBV
CENTER
- ∞ dBV
REAR L/R
- ∞ dBV
SWFR
- ∞ dBV
Reference
INPUT : DVD ANALOG
SWFR: 50Hz, Others: 1kHz
SPEAKERS
SPEAKERS

Yamaha DSP-AX620 Specifications

General

Brand	Yamaha
Model	DSP-AX620
Category	Amplifier
Language	English