Audio Section - Integra DTR-8.8 Service Manual

A B
Q Q
3 7 6 3 1 5 1 5 0
BLOCK DIAGRAMS-1
AUX 2

AUDIO SECTION

FM VIDEO IN
ANTENNA
R L
TUNER UNIT
AM LOOP
HD RADIO:
ANTENNA
DD Type only
1
XM
DD Type Only
Sirrus
L
CD
R
L
PHONO
RIAA
R
L
TAPE
R
L
TAPE OUT
R
2
L
AUX 1
R
L
GAME/TV
R
L
CBL/SAT
R
L
VCR/DVR OUT
R
T E
L 1 3 9 4 2 2 9 6 5 1 3
L
VCR/DVR IN
3
R
L
DVD
R
FL
FR
C
SW
SL
SR
SBL
SBR
NET BOARD
4
NALAN-9121
HDMI BOARD
SD-20 to 27
NAHDM-9114
SD-15 to 19
I2S (DVD audio,etc)
IN 1-4
HDMI
HDMI
DSD
SPDIF
OUT I/F
Q3001
MAIN,SUB
TC74VHC157FT
OPTICAL IN 1
OPTICAL IN 2
DIGITAL IN
(FRONT)
OPTICAL OUT
w w w
5
COAX IN 1
COAX IN 2
COAX IN 3
.
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -29 (SD-9 and SD-29)
for digital audio signal flow waveforms.
C
Q4029
TC94A46CFG
SETUP MIC
ch2
MAIN A
NJU7312A
ch3 MAIN B
ch4
ch5
L R
ch6
Z2
ch7
ch8
Z3
ch9
Video REC
ch10
ch11
ch12
NJU7313A
Analog Switch
ch13
ch14
I2S
I2S/DSD
TC74VHC157FT
MULTIPLEXER
DSP BLOCK
SD-10, 11
1st DSP Q3401 TMS320D790E001BZDH275
or TMS320D710E001BZDH275
(SD-10)
FLASH ROM
2nd DSP Q3501 TMS320D788E001BRFP266
or TMS320D708E001BRFP266
(SD-11)
3rd DSP Q3601 TMS320D707E001BRFP250
SD_RAM
(SD-11)
x a o
RX0
y
i
RX5
RX6
RX7
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D E
8
Analog Switch Volume
Q4304 Q4405
NJU7312A CS3318
MAIN L
DAC FL
FL
MIX L
MAIN R
DAC FR
FR
MIX R
MCH C
DAC C
C
MCH SW
DAC SW
SW
+20dB
MCH SL
SL
DAC SL
MCH SR
SR
SBL
SBR
Q4306
NJU7311A
Analog Switch
Q Q
3 7 6 3
.
0dB FIX
0dB FIX
TONE
0dB FIX
0dB FIX
TONE
Q4204 R2S15211FP
Audio Selector, Volume, Tone
I2S
Q3701 Q3721
DSD PCM1796 PCM1796
DAC DAC
u 1 6 3
ADC
.
DIR
TC74VHC157FT MULTIPLEXER
Q3041
CS42516
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F G
2 4
9 9 8
7 CH
POWER
AMPLIFIERS
HEADPHONES
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
1 5 1 5 0 8 9 2 4
ZONE2 PRE OUT/LINE OUT
L
R
SW
ZONE3 PRE OUT/LINE OUT
L
R
SW
NAVD-9052 SD-6
12V TRIGGER
CONTROL
IR
REMOTE
SENSOR
NADG-9074 SD-9
Q3741 Q3761 Q3781
PCM1796 PCM1796 PCM1796
RI
DAC DAC DAC
INTERFACE
m
Q3031 ICL3221E
RS232
c o
INTERFACE
Q7001
M3087BFKBGP
MAIN MICROPROCESSOR
DTR-8.8
H
2
9 9
SPEAKER TERMINALS
FRONT LEFT
FRONT RIGHT
CENTER
SURR LEFT
SURR RIGHT
SURR BACK
or Bi-AMP LEFT
SURR BACK
or Bi-AMP RIGHT
ZONE2 LEFT
ZONE2 RIGHT
9 8 2 9 9
PRE OUT
L
FRONT
R
CENTER
SUBWOOFER
L
SURR
R
L
SURR
BACK
R
12V TRIGGER OUT A
12V TRIGGER OUT B
12V TRIGGER OUT C
IR IN A
IR IN B
IR OUT
RIex
RS232