Block Diagram; Audio Section - Onkyo TX-SR875 Service Manual

A

BLOCK DIAGRAM-1

AUDIO SECTION

AM ANTENNA
1
(DC Type Only)
TAPE OUT
2
GAME/TV
CBL/SAT
VCR/DVR OUT
VCR/DVR IN
3
4
IN 1
IN 2
IN 3
HDMI
IN 4
OUT
OPTICAL IN 1
OPTICAL IN 2
DIGITAL IN
(FRONT)
OPTICAL OUT
5
COAX IN 1
COAX IN 2
COAX IN 3
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -20 (SD-9 and SD-20)
for digital audio signal flow wave forms.
B
AUX 2
VIDEO IN
FM
ANTENNA
R L
TUNER UNIT
XM
Sirrus
L
CD
R
L
. .
PHONO
RIAA
R . .
. .
L
TAPE
R
L
R
L
AUX 1
R
L
R
L
R
L
R
NJU7313A
L
R
L
DVD
R
FL
FR
C
SW
SL
SR
SBL
SBR
I2S (DVD audio,etc)
HDMI
DSD
SPDIF
I/F
Q3001
TC74VHC157FT
C
Q4029
TC94A46CFG
SETUP MIC
1
2
3
ch2
MAIN A
NJU7312A
ch3 MAIN B
ch4
ch5
ch6
ch7
ch8
ch9
ch10
ch11
ch12
ch13
ch14
I2S
I2S/DSD
TC74VHC157FT
MULTIPLEXER
FLASH ROM
SD_RAM
RX0
RX5
RX6
RX7
L R
Z2
Z3
Video REC
DSP BLOCK
1st DSP Q3401 D710E001BZDH
(SD-10)
2nd DSP Q3501 D708E001BRFP
(SD-11)
3rd DSP Q3601 D707E001BRFP
(SD-11)
TX-SR875
D
Q4
NJU
MAIN L
DAC FL
MIX L
MAIN R
DAC FR
MIX R
MCH C
DAC C
MCH SW
DAC SW
MCH SL
DAC SL
MCH SR
I2S
DSD
ADC
DIR
Q3041
CS42516