TX-SR705/SA705
BLOCK DIAGRAMS-1
AUDIO SECTION
A
1
2
3
4
5
B
C
D
E
F
G
H
MAIN L
MAIN R
SUB R
SUB L
MAIN R
REC L
REC R
MAIN L
SUB R
SUB L
38
39
37
36
SPRLB (PWRED Z2)
SPRLF (H/P)
FRL
CSRL
SBRL
Z2RL
Z2MUTE
SBMUTE
AMUTE
I2S(DVD Audio)
I2S(DIR/ADC)
SETUP MIC
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
PHONO
TAPE IN
TAPE OUT
CD
TUNER
(FRONT IN)
AUX INPUT
VCR/DVR IN
VCR/DVR OUT
CBL/SAT IN
DVD
C/SW
FRONT
SURROUND
C
SW
GAME/TV IN
SURROUND
BACK
TX
OUT
HDMI
MIC AMP
SPEAKER TERMINALS
(TX-SA705 Only)
SDRAM
16M Bit
FLASH ROM
SDRAM
16M bit
FLASH ROM
SDRAM
16M bit
FLASH ROM
TMS320DA790
or
TMS320DA710
DSP1
DSP2
DSP3
FRONT LEFT
FRONT RIGHT
CENTER
SURR. LEFT
SURR. RIGHT
SUUR. BACK
LEFT
SUUR. BACK
RIGHT
LEFT
ZONE 2 SPEAKERS
RIGHT
HEADPHONES
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
SW
C
SBL
SBR
SL
SR
FL
FR
TONE
TONE
SW
FL
FR
C
SL
SBR
SR
SBL
FL
SUB L
Q5501 R2S15211FP
Audio Processor (Switch, Tone & Volume)
Q5501 R2S15211FP
FL
FR
FR
C
C
SL
SL
SR
SR
SW
SW
SBL
SBL
SBR
SBR
2ch ADC
-
-
DIR
Q1201
CS4398
2ch DAC
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
Controller
Micro
HDMI BOARD
NAHDM-9265(SD-8,9)
IN1
HDMI
HDMI RX
IN2
IN3
I2S(DVD-AUDIO/DSD)
8ch DAC
Q1101 CS42528
IN 1
COAXIAL IN 2
IN 3
AUX INPUT
DIGITAL
IN 1
IN 2
OPTICAL
OUT
Q1011
TC74VHC157
SPDIF SW
Q3301,Q3311
TC74VHCT157FT
SUB R
SUB L
PHONO EQ
XM
ANTENNA
UNIT
XM/SIRIUS
NARF-9267(SD-14)
XM/DT IC
AK4384
DAC
SIRIUS
SIRIUS
DC Type Only
TUNER UNIT
TX-SR705 Only
DACCL
DACSWL
DACSL
DACSWR
DACSBL
DACSBR
DACFL
DACFR
SUB R
7 CH
POWER AMPLIFIERS
SBL
SBR
FL
FR
C
SL
SR
PREOUT
7.1CH
DACSR
DACCR
R
L
RS232
RS232
INTERFACE
L
R
-6dB
-6dB
L
R
ZONE 2
LINE OUT
ATT
ATT
ATT
ATT
ATT
ATT
32M bit
4M Bit
TMS320DA788
or
TMS320DA708
8M Bit
Q3651
Q3661
Q3561
Q3551
Q3461
Q3471
Q3451
Q3401
Q3501
Q3601
Q2001
M3087BFKBGP
TMS320DA707
40
9
10
6
7
19
20
17
16
14
15
12
11
4
5
2
1
74
35
73
34
75
30
78
33
77
32
76
31
80
29
79
28
63
64
57
58
65
66
61
62
59
60
55
56
53
54
51
52
49
50
47
48
45
46
71
72
67
68
IR
REMOTE SENSOR
CONTROL
12V TRIGGER
IR IN
12V TRIGGER OUT
INTERFACE
RI
RI
+
+
+
+
+
+
+
+
MAIN
MICROPROCESSOR
<Note>
Refer to SCHEMATIC DIAGRAM-4 and -15 (SD-4 and SD-15)
for digital audio signal flow waveforms.