Ac3 Through; Pro Logic - Yamaha RX-V595 Service Manual

No.3 AC3 THROUGH
The input is digital signal only. AC3 (DOLBY DIGITAL) decoding operation is executed, according to the input source.
1. STATUS(BINARY FORM)
AC3 (DOLBY DIGITAL) decoded signals are output to each channel via AC3Dav.
CODEC.AD
ANALOG IN
AK4526
DIR2
DIGITAL IN
YM3436
: This shows that the device is not operating.
AC3 Status Info. : bit 7 6 5
(Invalid in DTS) 1 0 0
No.4 PRO LOGIC
The input is automatically discriminated by PCM>analog. AC3 (DOLBY DIGITAL) is prohibited.
The submenu is switched between PRO LOGIC (AUTO BALANCE OFF) and EFFECT OFF.
1. CENTER LARGE
The input is automatically detected whether it is PCM or analog. With analog, PCM audio or AC3 (DOLBY DIGITAL)
2/0 input, the L, R, C and S signals are PRO LOGIC decoded and output. With AC3 (DOLBY DIGITAL) other than
2/0, PRO LOGIC does not operate, and AC3 (DOLBY DIGITAL) playback is executed. (Remote control code 7A-8A)
CODEC.AD
ANALOG IN
AK4526
DIR2
DIGITAL IN
YM3436
4 DVD/LD
2. EFFECT OFF
MAIN L/R are bypassed and output.
3 DVD/LD 3T00000001
AC3Dav(YSS908)
DECODER
DOLBY DIGITAL
or

PRO LOGIC

4 3 2 1 0
0 0 0 0 0
IEC958 digital data bit
IEC958 commercial-use device bit
IEC958 digital format error
Demodulator muting (without RF signal)
1 for audio other than PCM linear audio
1 during red DTS lock
1 during DTS decode OK
1 during AC3 decode OK
4 DVD/LD P. LGC C:L
AC3Dav(YSS908)
DECODER
DOLBY DIGITAL
or
PRO LOGIC
EFFECT OFF
L/R
DSP
CODEC.DA
C/LFE C/LFE
LS/RS LS/RS
1M SRAM
L/R
DSP
CODEC.DA
C C
S S
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, or Lch only, 1KHz, –20dBV)
1M SRAM
• OUTPUT : SPEAKERS
(INPUT : Lch and Rch )
MAIN L : –15.4 dBV
MAIN R : –14.2 dBV
CENTER: 26.6 dBV
REAR L : –6.0 dBV
REAR R : –6.5 dBV
RX-V595/R-V905/RX-V595RDS
MAIN L
DA
AK4320
MAIN R
CENTER
SUBWOOFER
REAR L
AK4526
REAR R
MAIN L
DA
AK4320
MAIN R
CENTER
REAR L
AK4526
REAR R
(INPUT : Lch only)
REAR L : 23.8 dBV
REAR R : –25.0 dBV
CENTER : –12.5 dBV
REAR L : –6.0 dBV
REAR R : –6.2 dBV
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