SCHEMATIC DIAGRAMS - 1
BLOCK DIAGRAM AUDIO SECTION
TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2
A
1
2
3
4
5
B
C
D
E
F
G
H
6
7
8
I
J
K
1
2
1
1
2
1
2
2
1
1
2
2
2
1
1
2
SUB1L
SUB1R
MAINL
MAINR
MAINL
MAINR
REC_L
REC_R
13
14
15
17
SR(DAC)
16
C
FL
FR
MAINL
MAINR
SRC
SLC
SBRC
SBLC
22
20
23
19
24
18
10
8
11
7
12
6
2
100
3
99
4
98
SL
SBL
SR
SBR
R
L
L
R
L
R
Z2L
Z2R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
SPRLF
SPRLC
SPRLSR
SPRLFH
SPRLSB
C
SR/Z3R
SL/Z3L
SBL/LH/LW(DAC)
SBR/RH/RW(DAC)
FL
FR
SPRLFW
SBZ2MUT
AMUTE
H/PMUT
PreSURMUT
SWMUT
SBL/Z2L/Bi_L/LH
SBR/Z2R/Bi_R/RH
SW
Z2TONE-L
SPRLFH
SPRLFW
SPRLSB
SPRLSR
SPRLC
SPRLF
Z3L
Z3R
BiAmp
BiAmp
LW/LH/Z3
RW/RH/Z3
Z2TONE-R
Z3L
54
Z3R
53
SL(DAC)
75
76
64
65
71
70
73
72
74
79
59
58
76
77
78
75
68
69
66
67
64
65
56
57
82
83
43
38
95
39
96
97
98
21
23
3
5
11
Z2-Mute
PreSURMUT
PreSBMUT
32
33
ADCL
ADCR
63
62
99
100
45
42
44
Z3-Mute
Z2L
Z2R
Z2L
Z2R
9
SR_Z3-Mute
87
86
15
17
60
61
47
46
TONE
TONE
HEADPHONES
FRONT LEFT
FRONT RIGHT
CENTER
LEFT
RIGHT
LEFT
RIGHT
LEFT
SUR. BACK
SUR. BACK
SUB1 should be always ON.
C
R2A15220FP
priority terminal
TV/CD IN
TUNER
HDMI
(FRONT)
OUT MAIN
(ARC)
HDMI
SW
FL
FR
Ref. GND
RS232
RI
C(DAC)
ADCL
ADCR
SUB1L
SUB1R
SUB2L
SUB2R
Z2L
Z2R
Down mix : No use
Tone : Use for Z3
SL(DAC)
SR(DAC)
SL
SR
SBL
SBR
FL(MIX)
FR(MIX)
SW(DAC)
FL
FR
FR(DAC)
inverted down mix
-6dB
0/-6/-12/-18dB
RIGHT
TUNER
PACK
LEFT
RIGHT
+29dB
+29dB
+29dB
+29dB
+29dB
SBL/Z2L/Bi_L/LH
SBR/Z2R/Bi_R/RH
SPEAKER TERMINALS
POWER AMPLIFIER
N/A
B IN
OUT
IN
IR
L
R
+29dB
+29dB
+29dB
+29dB
0dB FIX
0dB FIX
TONE
TONE
0dB FIX
0dB FIX
Z2L
Z2L
Z3R
Z3L
Z2R
+20dB
R
L
L
R
ZONE 2
except JJ
ZONE 3
Except DHC-
only 7chModel
only 9chModel
0.5dB step/each VR
inverted down mix
-6dB
Z3L
Z3R
UNIVERSAL
PORT
except onk JJ
C
N/A
B
A
12V TRIGGER
OUT
0.5dB step/each VR
except block
Z2R
OUT SUB
OPTICAL IN2
R
L
CENTER
L
R
L
L
R
L
R
( for onk JJ )
omission
MCH SW
MCH SL
MCH SR
SBL(DAC)BiAMP
SBR(DAC)BiAMP
except708,NA808/1008
R2A15218
x1
x3
PC IN
L
R
GAME IN
L
R
CBL/SAT IN
L
R
VCR/DVR OUT
L
R
VCR/DVR IN
L
R
L
R
FL
FR
( Mulch ch IN)
C
SL
SR
SBL
SW
SBR
708 Z2 route
Z3 Pre
Z2 Pre
Wide/High
Z2 TONE
NET_L
NET_R
BD/DVD IN
RX
TX
HDMI
TX
HDMI
HDMI
DIR
2ch ADC
DR99dB
under study
I2S(DVD-AUDIO/DSD)x4
ATT
ATT
2ch ADC
Analog out
NET
+6dB
LPF
VLSC
+6dB
LPF
VLSC
W/HL
W/HR
only 9chModel
LPF
+6dB
VLSC
FL
LPF
+6dB
VLSC
FR
+6dB
LPF
VLSC
+6dB
SW
C
LPF
VLSC
+6dB
SL
+6dB
SR
LPF
VLSC
LPF
VLSC
LPF
VLSC
+6dB
LPF
VLSC
SBL
SBR
+6dB
2ch DAC
PCM1789
PCM1690
8ch DAC
2nd DSP
CS49834
FS0dB=4Vrms
MCH C
Z3
708:Z2 mirror
Bi-AmpL or 708Z2L
Bi-AmpR or 708Z2R
SIRIUS_L
SIRIUS_R
PHONO (MM)
L
R
PHONO EQ
AUDIO IN
(FRONT)
L
R
SIRIUS
SIRIUS
for US
R
L
L
R
PREOUT
9.2 or 7.2ch
1st DSP
TMS320DA830
I2S(DVD-AUDIO/DSD)x4
ARC
NewDIR/ADC
CS5361
DR114dB
SURR
SURR
Front High/Z3
Front High/Z3
SL
SR
IN1-6
Front Wide/Z2
Front Wide/Z2
/ Bi Amp
/ Bi Amp
SBL
SBR
Z2
MAIN
R
from Micom
RS232
INTERFACE
INTERFACE
RI
REMOTE SENSOR
IR
CONTROL
12V TRIGGER
ONK
708Z2 route
708Z2 route
FL(DAC)
net DAC
CS1754
24bit
FIX
24bit
37
43
43
91
91
42
90
90
39
93
38
92
95
41
41
40
94
35
97
44
96
45
36
34
34
+
FRONT
SURR
SB
FH/FW 9chmodel
SUBWOOFER
PRE OUT
A IN
INT
ONK
INT
ZONE 2
ZONE 3
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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299