TX-SR506
BLOCK DIAGRAMS-1
AUDIO SECTION
FRONT L
FRONT R
AUDIO ANALOG
AUDIO DIGITAL
Z2RL
SBRL
FRL
MAIN R
SUB L
SUB R
REC L
REC R
MAIN L
AMUT
SBMUT
Z2MUT
CSRL
FRONT
SPEAKERS
CENTER
SPEAKER
L
R
SURROUND BACK
SPEAKERS
L
R
POWER AMPLIFIER
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
TAPE IN
TAPE OUT
CD IN
TONE
TONE
DIR
2ch ADC
-
-
8ch DAC
INVERTING
INVERTING
PHONES
LPF
LPF
LPF
LPF
ZONE 2
LINE OUT
CABLE/SAT IN
AUX IN
(FRONT IN)
TUNER UNIT
MICDET
MIC AMP
SETUP MIC
PREOUT
VCR/DVR OUT
VCR/DVR IN
CENTER
L
COAXIAL
Q301
CS42518
1
(DVD)
NC
NC
Q201
D788E001BRFP266
DSP
RI
RI
INTERFACE
OPTICAL
OUT
IN1
IN3
IN2
Q282
ES29LV160ET-70TG
FLASH MEMORY
(DSP ROM)
Q281
M12L64164A-7TG
SDRAM
ZONE 2
SPEAKERS
9
10
6
7
28
29
26
27
49
46
45
50
13
14
15
16
43
42
44
48
47
117
116
62
55
56
53
54
51
52
49
50
47
48
45
46
71
72
69
70
67
68
75
30
31
76
21
20
22
23
65
61
64
40
57
58
59
60
63
66
38
39
36
37
19
20
17
18
14
15
12
11
4
5
2
1
74
35
73
34
78
33
77
32
80
29
79
28
32
33
31
30
36
37
35
34
63
62
64
1
61
60
54
115
113
+
++
+
+
+
+
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
+
DVD
(MULTI IN)
FRONT
SUBWOOFER
R
SURROUND BACK
DIGITAL IN
2
(CBL/SAT)
1
(VCR/DVR)
2
(CD)
L
R
SURROUND
SPEAKERS
HDMI
R
L
SUBWOOFER
L
R
SURROUND
L
R
R
L
Q5501
R2S15211FP
SELECTOR / TONE / VOLUME
R
L
R
L
R
L
R
L
R
L
R
L
R
L
Q701
M30626FHPFP
MAIN MICROPROCESSOR
Q404
NJM45800-D
Q403
NJM45800-D
Q402
NJM45800-D
Q401
NJM45800-D
FL
FR
C
SW
SBL
SBR
SL
SR
RL6600
RL6602
RL6603
RL6607
RL6604
Q6601
Q6602
Q6603
Q6604
Q5609
Q5608
NC
NC
FL
FR
C
SL
SW
SR
SBL
SBR
Q5606
NC
Q5605
Q5607
Q5604
Q5603
Q5601
Q5602
NC
NC
NC
NC
NC
NC
Q5600
Q5610
Refer to
BLOCK DIAGRAMS-2
139
141
120
A
1
2
3
4
5
B
C
D
E
F
G
H
