Integra DHC-9.9 Service Manual page 3

A B
Q Q
3 7 6 3 1 5 1 5 0
BLOCK DIAGRAMS-1
AUX 2 IN
(FRONT)
AUDIO SECTION FM
ANTENNA
R L
TUNER UNIT
AM LOOP
HD RADIO:
ANTENNA
DD Type only
1
DD Type Only
XM
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
HDMI BOARD
NAHDM-9114
SD-11 to 15
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-5 and -19 (SD-5 and SD-19)
for digital audio signal flow waveforms.
C
Analog Switch Array
Q4029
TC94A46CFG
SETUP MIC
ch2
ch1
MAIN A
Q4304 NJU7312A
Analog Switch
ch6 MAIN B
ch4
L
ch3 R
ch7
Z2
ch5
ch8
Z3
ch9
Video REC
ch10
ch11
ch12
Q4305
NJU7313A
Analog Switch
ch14
ch13
I2S
I2S/DSD
TC74VHC157FT
MULTIPLEXER
DSP BLOCK
SD-6 and 7
1st DSP Q3401: TMS320D790E001BZDH300
(SD-10)
FLASH ROM
2nd DSP Q3501: TMS320D788E001BRFP266
(SD-11)
3rd DSP Q3601: TMS320D707E001BRFP250
(SD-11)
SD_RAM
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
Analog Switch
NJU7311A
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
2ch DAC 2ch DAC
ADC
u 1 6 3
.
DIR
TC74VHC157FT MULTIPLEXER
Q3041
CS42516
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F G
2 4
9 9 8
HEADPHONES
BALANCE TERMINAL BOARD
Audio
NATRM-9108 SD-18
Muting
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
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-3
12V TRIGGER
CONTROL
IR
REMOTE
SENSOR
NADG-9074 SD-5
RI
INTERFACE
Q3741 Q3761 Q3781
PCM1796 PCM1796 PCM1796
Q3031 ICL3221E
2ch DAC 2ch DAC 2ch DAC
RS232
INTERFACE
m
c o
Q7001
M3087BFLBGP
MAIN MICROPROCESSOR
E-CONTROL BOARD
NALAN-9079 SD-17
DHC-9.9
H
2
9 9
BALANCE
PRE OUT
FRONT L
FRONT R
CENTER
SW
SURROUND L
SURROUND R
SURROUND BACK L
SURROUND BACK R
L
BALANCE
INPUT
R
PRE OUT
9 8 2 9 9
L
FRONT
R
CENTER
SUBWOOFER
L
SURROUND
R
L
SURROUND
BACK
R
12V TRIGGER OUT A
12V TRIGGER OUT B
12V TRIGGER OUT C
IR IN A
IR IN B
IR OUT
RI
RS232
ETHERNET
(E-CONTROL)