Integra DTR-7.8 Service Manual page 6

A B
Q Q
3 7 6 3 1 5 1 5 0
BLOCK DIAGRAMS-1
AUX 2
AUDIO SECTION VIDEO IN
R L
FM
ANTENNA
TUNER UNIT
AM ANTENNA
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
4
IN 1
IN 2
HDMI HDMI
I2S (DVD audio,etc)
IN 3
I/F
SPDIF DSD
OUT
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 -18 (SD-9 and SD-18)
for digital audio signal flow wave forms.
C
Analog Switch Array
Q4029
SETUP MIC TC94A46CFG
1
2
3
ch2
MAIN A
NJU7312A
ch3 MAIN B
ch4
ch5
L R
ch6
Z2
ch7
ch8
Z3
ch9
Video REC
ch10
ch11
NJU7313A
Analog ch12
Function
Switch
ch13
ch14
I2S
I2S/DSD
TC74VHC157FT
MULTIPLEXER
DSP BLOCK
1st DSP Q3401 D790E001BZDH or
D710E001BZDH
FLASH ROM
2nd DSP Q3501 D788E001BRFP or
D708E001BRFP
3rd DSP Q3601 D707E001BRFP
SD_RAM
x a o
RX0
y
i
RX5
RX6
RX7
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D E
8
Analog Function
8 ch Analog
Switch Volume Control
Q4405
Q4304
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
Q Q
3 7 6 3
.
0dB FIX
0dB FIX
TONE
0dB FIX
0dB FIX
TONE
Q4204 R2S15211FP
I2S
Q3721
Q3701
PCM1796 PCM1796
DSD
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
Amplifier
HEADPHONES
1
2
3
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
1 5 1 5 0 8 9 2 4
ZONE2 PREOUT/LINEOUT
L
R
SW
ZONE3 PREOUT/LINEOUT
L
R
SW
12V TRIGGER
CONTROL
IR
Remote Sensor
Q3741 Q3761 Q3781
RI
PCM1796
PCM1796 Interface
PCM1796
DAC
DAC
DAC
m
RS232
Interface
c o
Q7001
M3087BFKBGP
Main Microprocessor
E-CONTROL BOARD
NALAN-9268(SD-17)
DTR-7.8
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
ETHERNET
(E-CONTROL)