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TX-SR576
A B C D E F G H
BLOCK DIAGRAMS-1
AUDIO SECTION AUDIO ANALOG
Q5501 FRONT L
TUNER UNIT 40
R2S15211FP FRONT R
http://receiverfaq.ru/ 57
SELECTOR / TONE / VOLUME
PHONES
AUDIO DIGITAL
1
MAIN R
MAIN L
SUB R
SUB L
POWER AMPLIFIER
58
19 FL
RL6600
TONE +29dB
63
36 20 L
+
MIC AMP
SETUP MIC 64 FRONT
37 17 FR SPEAKERS
MICDET +29dB
MUTING
TONE
65
Q6601 R
18
AUX IN L
+
74
(FRONT IN)
25k
66
R INVERTING 7 C Q5606 NC
35 +29dB
RL6602 CENTER
25k
61 SPEAKER
6
73
+
Q5605 NC
25k
62
INVERTING 14 SL +29dB
L 34 L
CD IN Q5607 NC
25k
59 RL6603
R
2 15 SURROUND
+
75 PREOUT SPEAKERS
L SUBWOOFER
25k
60 +29dB
Q5600 Q5610
TAPE OUT 12 SR R
30 Q6602
R
25k
55
11 NC
L Q5604
+
78
+29dB
TAPE IN
25k
56 L
R 9 SW
33 Q5603 NC RL6604
SURROUND BACK
25k
53
10 SPEAKERS
+29dB
+
77
Q6603 R
25k
54 Q5602 NC
4 SBL
L 32
25k
CABLE/SAT IN 51
R 5 Q5601 NC
+
76 L
25k
L 52 RL6607
2 SBR ZONE 2
VCR/DVR OUT 31 SPEAKERS
R
25k
49
3 L 80
1 Q6604 R
+
25k
VCR/DVR IN
SBMUT
50 NC
AMUT
CSRL
SBRL
Z2RL
R
FRL
29
25k
47
REC R
L
REC L
FRONT 79
25k
R 48
L
CENTER
28 ZONE 2
LINE OUT
25k
45 R
DVD SUBWOOFER Q5609 NC Q5608 NC
(MULTI IN)
46
L
SURROUND
R 71 Z2MUT
NC 38
L
SURROUND BACK 72
39
R
69 RI
4 1
(DVD)
INTERFACE RI
COAXIAL
2 70
(CBL/SAT)
67
DIGITAL IN Q282
1 Q281
ES29LV160ET-70TG M12L64164A-7TG
(VCR/DVR) 68 FLASH MEMORY SDRAM
2 (DSP ROM)
OPTICAL (CD)
SBR
SBL
SW
SR
SL
FR
FL
C
Q701
NJM45800-D
NJM45800-D
NJM45800-D
NJM45800-D
MPD70F3746
Q401
Q402
Q403
Q404
MAIN MICROPROCESSOR
LPF
LPF
LPF
LPF
Refer to 117
116
BLOCK DIAGRAMS-2 115
113 Q201
16
D788E001BRFP266
31
30
32
33
36
37
35
34
28
29
27
26
22
23
21
20
IN1 15 DSP
- 14 2ch ADC
13
62
IN2
5 - 63
135
137
138
120
139
141
64
8ch DAC
HDMI 49
43
1
SPDIF I2S(DVD-AUDIO_DATA)/DSD
42
IN3 44
61
46 DIR 60
45
48 54
OUT 47
Q301 I2S(DIR_CLK)
Q202
50 CS42518 I2S(DVD-AUDIO_CLK) TC74VHCT157FT
MULTIPLEXER
I2S(DVD-AUDIO)/DSD
TX-SR576
A B C D
BLOCK DIAGRAMS-2
VIDEO / HDMI SECTION
NAHDM-9565
1
HDMI TMDS
TMDS3
CEC
CEC
DDC3
IN 3 DDC
RPWR3
+5V
HPD3
HP DET HDMI
TMDS2 TMDS Digital Video TMDS
TMDS TMDS
CEC Q8162 DDC
CEC CEC
IN 2 DDC
DDC2 SII9185 RPWR
Q8501 DDC OUT
RPWR2 HDMI SW Q8401 PWR5V
+5V I2C SII9013 SII9034CTU HPD
+5V
HPD2
HP DET CEC HDMI HDMI HP DET
RECEIVER TRANSMITTER DDC
TMDS1
TMDS
CEC I2S
CEC
IN 1 DDC1 S/PDIF
DDC
RPWR1 I2C I2C
+5V
HPD1
HP DET
S/PDIF
2
CEC
NAVD-9467
Y
IN 1 CB
COMPONENT
VIDEO INPUT
CR
Y
3
Q3001
IN 2 CB AN15880A-VT
VIDEO SWITCH
PY
CR 6dB DRV
DRV
PB
6dB DRV
DRV
PR
DVD 6dB DRV
DRV
VCR/DVR
4
VIDEO INPUT
COMPOSITE
Y
VIDEO OUTPUT
CBL/SAT
COMPONENT
CB
NC
CV
4/6dB DRV
AUX CR
(FRONT) DRV
VIDEO OUTPUT
COMPOSITE
DRV MONITOR
C Y
DVD
SY