Onkyo PR-SC886 - Page 3

BLOCK DIAGRAMS-1
AUDIO SECTION
PR-SC886
A
1
2
3
4
5
BCDEFGH
Audio
Muting
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2
MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
VCR/DVR OUT
TAPE OUT
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
MAIN,SUB
IN 1-4
ch6
ch4
ch13
RS232
RS232
Q3031 ICL3221E
RI
RI
INTERFACE
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
C
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
FR
SL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
SBR
L
FRONT
SURROUND
SURROUND
BACK
R
SUBWOOFER
CENTER
L
R
L
R
PRE OUT
BALANCE
PRE OUT
BALANCE
INPUT
CD
DD Type Only
TUNER UNIT
HD RADIO:
DD Type only
AM LOOP
ANTENNA
FM
ANTENNA
SW
R
L
R
L
ZONE2 PRE OUT/LINE OUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PRE OUT/LINE OUT
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
C2
R
L
FL
FR
C
SW
SL
SR
SBL
SBR
FL
BALANCE TERMINAL BOARD
NATRM-9108 SD-18
FR
C
SW
SL
SR
SBL
SBR
FRONT L
FRONT R
L
R
L
R
CENTER
SW
SURROUND L
SURROUND R
SURROUND BACK L
SURROUND BACK R
HEADPHONES
(DVD audio,etc)
0dB 0dB -6dB
-6dB
Q4405
CS3318
AUX 2 IN
(FRONT)
AUX 1
Q4029
TC94A46CFG
ch14
ch12
ch11
ch10
ch9
ch8
ch1
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
Q4305
NJU7313A
Analog Switch
ch5
ch7
ch3
Q4304
NJU7312A
Q4304 NJU7312A
Analog Switch
0dB FIX
0dB FIX
SETUP MIC
OPTICAL OUT
.
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
PCM1796
2ch DAC 2ch DAC 2ch DAC 2ch DAC 2ch DAC
PCM1796
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796 PCM1796 PCM1796
TC74VHC157FT MULTIPLEXER
.
.
. .
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
<Note>
Refer to SCHEMATIC DIAGRAM-5 and -19 (SD-5 and SD-19)
for digital audio signal flow waveforms.
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
SW
SW
IR OUT
IR
IR IN B
IR IN A
12V TRIGGER OUT B
12V TRIGGER
CONTROL
REMOTE
SENSOR
12V TRIGGER OUT A
12V TRIGGER OUT C
INTERFACE
MAIN MICROPROCESSOR
Q7001
M3087BFLBGP
NALAN-9079 SD-17
E-CONTROL BOARD
ETHERNET
(E-CONTROL)
DSP BLOCK
SD-6 and 7
2nd DSP Q3501: TMS320D788E001BRFP266
(SD-11)
1st DSP Q3401: TMS320D790E001BZDH300
(SD-10)
3rd DSP Q3601: TMS320D707E001BRFP250
(SD-11)
HDMI BOARD
NAHDM-9114
SD-11 to 15
NAVD-9052 SD-3
NADG-9074 SD-5
Q4306
NJU7311A
Q4305
NJU7313A
Video REC
Analog Switch
Analog Switch
Audio Selector, Volume, Tone
Analog Switch Array
Analog Switch Volume
ADC
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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