Yamaha DSP-A595a Service Manual

12
DSP-A595a
No.3 AC-3/DTS THROUGH
The input is digital signal only. AC-3 (DOLBY DIGITAL) or DTS Digital Surround decoding operation is executed,
according to the input source.
1. STATUS(BINARY FORM)
AC-3 (DOLBY DIGITAL) decoded signals are output to each channel via AC3D2av.
AC-3 Status Info. : bit 7 6 5 4 3 2 1 0
(Invalid in DTS) 1 0 0 00000
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 AC-3 decode OK
No.4 PRO LOGIC
The input is automatically discriminated by PCM Audio>analog. DTS Digital Surround is disabled.
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 Audio or analog. With analog, PCM Audio or AC-3 (DOLBY DI-
GITAL) 2/0 input, the L, R, C and S signals are PRO LOGIC decoded and output. With AC-3 (DOLBY DIGITAL) other
than 2/0, PRO LOGIC does not operate, and AC-3 (DOLBY DIGITAL) playback is executed. (Remote control code
7A-8A: "3" key [DSP mode])
2. EFFECT OFF
MAIN L/R are bypassed and output.
DIR2
CODEC.DA
AK4526A
YM3436
CODEC.AD AC3D2av(YSS918)
AK4526A
DECODER
DOLBY DIGITAL
or
PRO LOGIC
or
DTS
or
DTS
DA
AK4320
1M SRAM
DSP
ANALOG IN
REAR L
REAR R
CENTER
SUBWOOFER
L/R
DIGITAL IN
MAIN R
MAIN L
LS/RSLS/RS
C/LFEC/LFE
DIR2
CODEC.DA
AK4526A
YM3436
CODEC.AD AC3D2av(YSS918)
AK4526A
DECODER
DOLBY DIGITAL
or
PRO LOGIC
DA
AK4320
1M SRAM
DSP
ANALOG IN
C
S
C
S
REAR L
REAR R
CENTER
L/R
DIGITAL IN
MAIN R
MAIN L
: This shows that the device is not operating.
4 DVD/LD P. LGC C:L
4 DVD/LD EFFECT OFF
3 DVD/LD 3T00000001
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, or Lch only, 1KHz, –20dBV)
• OUTPUT : SPEAKERS
(INPUT : Lch and Rch ) (INPUT : Lch only)
MAIN L : –15.4 dBV REAR L : 23.8 dBV
MAIN R : –14.2 dBV REAR R : –25.0 dBV
CENTER: 26.6 dBV CENTER : –12.5 dBV
REAR L : –6.0 dBV REAR L : –6.0 dBV
REAR R : –6.5 dBV REAR R : –6.2 dBV
bit 0 bit 7

Yamaha DSP-A595a Specifications

General

Brand	Yamaha
Model	DSP-A595a
Category	Amplifier
Language	English