Dsp Through; Dsp Full Bit - Yamaha DSP-A595a Service Manual

DSP-A595a
No.2 DSP THROUGH
The input is automatically discriminated by signal detection and switched with priorities AC-3 (DOLBY
DIGITAL)>DTS Digital Surround>Audio>analog. There are the following three submenus.
1. YSS918-SRAM
MAIN L/R are input to the DSP via AC3D2av, pass through SRAM, and are then output to all channels without
being processed. (Remote control code 7A-89: "2" key [DSP mode])
CODEC.AD
ANALOG IN
AK4526A
DIR2
DIGITAL IN
YM3436
2 DVD/LD
2. YSS918
MAIN L/R are input to the DSP via AC3D2av, and then output to all channels without being processed.
CODEC.AD
ANALOG IN
AK4526A
DIR2
DIGITAL IN
YM3436
: This shows that the device is not operating.

3. DSP FULL BIT

MAIN L/R are input to the DSP via AC3D2av, and then output to all channels without being processed.
The head margin is disabled, and DSP outputs digital full-bit signals.
Same as the above menu, except that the digital data is output to DA with full bits.
11
2 DVD/LD YSS918SRAM
AC3D2av(YSS918)
DECODER
YSS918
AC3D2av(YSS918)
DECODER
2 DVD/LD DSP FULL
L/R
DSP
L/R L/R
CODEC.DA
L/R
L/R
L/R L/R
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, 1KHz, –20dBV)
1M SRAM
• OUTPUT : SPEAKERS
MAIN L : 23.7 dBV
MAIN R : 23.7 dBV
CENTER: 23.6 dBV
L/R
DSP
L/R
L/R
CODEC.DA
L/R
L/R
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, 1KHz, –20dBV)
1M SRAM
• OUTPUT : SPEAKERS
MAIN L : 23.8 dBV
MAIN R : 23.8 dBV
CENTER: 23.8 dBV
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, 1KHz, –20dBV)
• OUTPUT : SPEAKERS
MAIN L : 13.8 dBV
MAIN R : 13.8 dBV
CENTER: 16.8 dBV
MAIN L
DA
AK4320
MAIN R
CENTER
SUBWOOFER
REAR L
REAR R
FRONT L
AK4526A
FRONT R
REAR L : 23.5 dBV
REAR R : 23.5 dBV
MAIN L
DA
AK4320
MAIN R
FRONT L
FRONT R
REAR L
REAR R
CENTER
AK4526A
SUBWOOFER
REAR L : 23.8 dBV
REAR R : 23.8 dBV
REAR L : 22.8 dBV
REAR R : 22.8 dBV