Speakers Set - Yamaha DSP-A595a Service Manual

DSP-A595a
No.5 SPEAKERS SET
The input is automatically discriminated by AC-3(DOLBY DIGITAL)>DTS Digital Surround>PCM Audio>analog.
There are the following 9 submenu items: The signal from the DSP block is normally in the effect off status for menu
items 1-4. For other menu items, the same signal as in 2. DSP THROUGH: YSS918 menu is output.
5 DVD/LD MAIN:S 0DB
5 DVD/LD B:MAIN C:N
5 DVD/LD C:NONE
The analog switches in each submenu are set as follows:
SUB MENU
1 MAIN:S 0DB
2 MAIN:L 0DB
3 MAIN:L -10
4 B:MAIN C:N
5 LFE/B:MAIN
6 LFE/B:SWFR
7 C:NONE
8 C:S REAR:S
9 FRONT MIX
LARGE: Mode in which speakers with high bass-sound playback capability (large unit) are used. Full frequency band
widths is output.
SMALL : Mode in which speakers with low bass-sound playback capability (small unit) are used. Frequncies below 90 Hz
are mixed with the channel specified by LFE/BASS.
NONE: Mode in which center speaker is not used. The center audio signal is reduced by 3 dB and mixed into MAIN L/R.
LFE/B: MAIN
: Mode in which subwoofer speaker is not used. The subwoofer audio signal is reduced by 4.5 dB and mixed into
MAIN L/R. But because of the phase difference, the MAIN L/R output is not simply summed.
Purpose of the submenu as follows:
SUB MENU
1 MAIN:S 0DB
2 MAIN:L 0DB
3 MAIN:L -10
4 B:MAIN C:N
5 LFE/B:MAIN
6 LFE/B:SWFR
7 C:NONE
8 C:S REAR:S
9 FRONT MIX
13
5 DVD/LD
5 DVD/LD
5 DVD/LD
REMOTE
CENTER SP REAR SP
CODE
7A-8B LARGE LARGE
7A-8C LARGE LARGE
7A-8D LARGE LARGE
7A-8E NONE LARGE
7A-8F LARGE LARGE
7A-90 LARGE LARGE
7A-91 NONE LARGE
SMALL SMALL
7A-12 LARGE LARGE
Verification of the High and low pass filter response and gain in the bass redirection mode.
Reference of the sub menu No. 1 and 2.
Verification of the effect in the main level function.
Verification of the mixing circuit effect to the main channel.
Verification of the bass mix gain.
Verification of the LFE maximum output.
Verification of the center mix gain.
Verification of the high and low pass filter response and gain in the bass redirection mode.
Verification of the front mix gain.
MAIN:L 0DB 5 DVD/LD
LFE/B:MAIN 5 DVD/LD
C:S REAR:S 5 DVD/LD
MAIN
MAIN SP LFE/BASS
LEVEL
SMALL 0dB
LARGE 0dB
LARGE -10dB
LARGE 0dB
LARGE 0dB
LARGE 0dB
LARGE 0dB
LARGE 0dB
LARGE 0dB
PURPOSE
MAIN:L —10
LFE/B:SWFR
FRONT MIX
OUTPUT
SWFR MAIN L/R
SWFR MAIN L/R
SWFR MAIN L/R
MAIN MAIN L/R
MAIN LFE -> L/R
SWFR LFE -> SWFR
SWFR CENTER -> L/R
SWFR CENTER/REAR
SWFR FRONT -> L/R