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PR-SC885
BLOCK DIAGRAMS-1
AUDIO SECTION
A
1
2
3
4
5
B
C
D
E
F
G
H
SPDIF
RX0
RX5
MCH SR
RX6
RX7
D
A
C_FL
D
A
C_SL
D
A
C_SR
D
A
C_SBR
D
A
C_SBL
V_OUT_L
V_OUT_R
D
A
C_FR
DAC FL
MIX L
MIX R
DAC FR
D
A
C_CT
D
A
C_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
D
A
C CT2
D
A
C 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
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
SBR
BALANCE
PRE OUT
BALANCE
INPUT
CD
HD RADIO
PC BOARD
NARF-9118
SD-16
AM LOOP
ANTENNA
FM
ANTENNA
R
L
R
L
ZONE2 PRE OUT/LINE OUT
TONE
0dB FIX
ZONE3 PRE OUT/LINE OUT
ADC
-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
SURR L
SURR R
SURR BACK L
SURR BACK R
HEADPHONES
(DVD audio,etc)
0dB
0dB
-6dB
-6dB
Q4405
CS3318
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch14
ch12
ch11
ch10
ch9
ch8
ch1
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
ch5
ch7
ch3
Q4304
NJU7312A
0dB FIX
0dB FIX
SETUP MIC
OPTICAL OUT
.
COAX IN 3
MUL
TI 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
DAC
PCM1796
DAC
Q3701
Q3721
Q3741
Q3761
Q3781
PCM1796
DAC
PCM1796
DAC
PCM1796
DAC
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.
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
SW
SW
HDMI BOARD
NAHDM-9114
SD-11 to 15
DSP BLOCK
SD-6 and 7
2nd DSP Q3501: TMS320D788E001BRFP266 or
TMS320D708E001BRFP266
(SD-11)
1st DSP Q3401: TMS320D790E001BZDH275 or
TMS320D710E001BZDH275
(SD-10)
3rd DSP Q3601: TMS320D707E001BRFP250
(SD-11)
RS232
RS232
Q3031 ICL3221E
RIex
RI
INTERFACE
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
M3087BFKBGP
NALAN-9079 SD-17
E-CONTROL BOARD
ETHERNET
(E-CONTROL)
NAVD-9052 SD-3
NADG-9074 SD-5
L
FRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
PRE OUT
Q4204 R2S15211FP
Q4306
NJU7311A Analog Switch
Audio Selector, Volume, Tone
Analog Switch
Volume
Q4305
NJU7313A
Video REC
Analog Switch
Q4305
NJU7313A
Analog Switch
Q4304 NJU7312A
Analog Switch
Analog Switch Array
Analog Switch Array
Analog Switch Array
Analog Switch Array
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