Onkyo TX-SR606 Service Manual page 4

A B
BLOCK DIAGRAMS-1
AUDIO SECTION
TUNER UNIT
MDD, MDC Type only
1
SIRIUS
MIC AMP
SETUP MIC
MICDET
L
AUX IN
(FRONT IN)
R
L
CD IN
R
2
L
TAPE OUT
R
L
TAPE IN
R
L
GAME/TV IN
R
L
CABLE/SAT IN
R
L
VCR/DVR OUT
R
3
L
VCR/DVR IN
R
L
FRONT
R
CENTER
SUBWOOFER
DVD
(MULTI IN)
L
SURROUND
R
NC
L
SURROUND BACK
R
1
4
(DVD)
COAXIAL
2
(CBL/SAT)
DIGITAL IN
1
(GAME/TV)
2
OPTICAL
(CD)
Refer to
BLOCK DIAGRAMS-2.
IN1
IN2
5
HDMI IN3 SPDIF
IN4
OUT
I2S(DVD-AUDIO)/DSD
C
40
57
58
63
36
64
37
65
66
INVERTING
61
62
INVERTING
59
60
55
56
53
54
51
52
49
50 NC
47
48
45
46
71
38
72
39
69
70
67
68
16
15
14 2ch ADC
-
13
-
49
43
42
44
46 DIR
45
48
47
Q301
50
CS42518
D E
Q5501
R2S15211FP
SELECTOR / TONE / VOLUME
FL
19
TONE
20
FR
17
TONE
18
74
C
7
35
6
73
SL
14
34
15
75
SR
12
30
11
78
SW
9
33
10
77
SBL
4
32
5
76
SBR
2
31
1
80
29
79
28
Q401 - 404 : NJM4580-D
62
63
64
8ch DAC
1
61
60
54
F G
AUDIO ANALOG
FRONT L
FRONT R
AUDIO DIGITAL
POWER AMPLIFIER
+29dB
+29dB
Q5606 NC
+29dB
Q5605 NC
+29dB
Q5607 NC
PRE OUT
SUBWOOFER
+29dB
Q5600 Q5610
NC
Q5604
+29dB
Q5603 NC
+29dB
NC
Q5602
Q5601 NC
L
ZONE 2
LINE OUT
R
Q5609 NC Q5608 NC
MUTING
Z2MUT
Q282
Q281
ES29LV160ET-70TG
M12L64164A-7TG
FLASH MEMORY
SDRAM
(DSP ROM)
117
116
115
Q201
113
D788E001BRFP266
DSP
I2S(DVD-AUDIO_DATA)/DSD
I2S(DIR_CLK)
Q202
TC74VHCT157FT
I2S(DVD-AUDIO_CLK)
MULTIPLEXER
TX-SR606
H
PHONES
RL6600
L
FRONT
SPEAKERS
R
Q6601
CENTER
SPEAKER
RL6602
L
SURROUND
SPEAKERS
R
RL6603
Q6602
L
SURROUND BACK
SPEAKERS
Q6603 R
RL6605
L
ZONE 2
SPEAKERS
Q6604 R
RL6607
RI
RI
INTERFACE
Q701
MPD70F3746
MAIN MICROPROCESSOR