Ac3/Dts Through; St:10001001; Pro Logic; Pro Cntr: Lrg - Yamaha RX-V795a Service Manual

(3) AC3/DTS THROUGH

The input is digital signal only. Dolby Digital (AC-3) or DTS decoding operation is executed, according to the input
source.

3. ST:10001001

AC3 decoded signals are output to each channel via AC3D2av.
CODEC.AD
ANALOG IN
AK4526
DIR2
DIGITAL IN
YM3436
Ac3 Status Info. : Bit 7 6 5 4 3 2 1 0
1 0 0 0 1 0 0 1

(4) PRO LOGIC

The input is automatically discriminated by PCM>analog. DTS is prohibited.
The submenu is switched between PRO LOGIC (AUTO BALANCE OFF) and EFFECT OFF.
4. PRO CNTR:LRG
The input is automatically detected whether it is RF, PCM or analog. With analog, PCM audio or Dolby Digital (AC-
3) 2/0 input, the L, R, C and S signals are prologic decoded and output. With Dolby Digital (AC-3) other than 2/0, PRO
LOGIC does not operate, and Dolby Digital (AC-3) playback is executed. (Remote control code 7A-8A : DSP/3)
CODEC.AD
ANALOG IN
AK4526
DIR2
DIGITAL IN
YM3436
4. PRO EFECT:OFF
MAIN L/R are bypassed and output.
AC3D2av(YSS918)
L/R
DECODER DSP
DOLBY DIGITAL
or
C/LFE
PRO LOGIC
or
DTS(v795~)
LS/RS
1 during AC3 decode OK
1 during DTS decode OK
1 during red DTS lock
1 for audio other than PCM linear audio
Demodulator muting (without RF signal)
IEC958 digital format error
IEC958 commercial-use device bit
IEC958 digital data bit
AC3D2av(YSS918)
L/R
DECODER DSP
DOLBY DIGITAL
or
C
PRO LOGIC
or
DTS(v795~)
S
1M SRAM
RX-V795a/RDS/HTR-5170
MAIN L
DA
AK4320
MAIN R
CODEC.DA
C/LFE
CENTER
SUBWOOFER
REAR L
LS/RS
AK4526
REAR R
MAIN L
DA
AK4320
MAIN R
CODEC.DA
C CENTER
REAR L
S
AK4526
REAR R
14