Onkyo HT-R508 Service Manual page 5

A
BLOCK DIAGRAMS-1
AUDIO SECTION
1
SETUP MIC
(FRONT)
AUX INPUT
(FRONT)
2
TAPE OUT
TAPE IN
CBL/SAT IN
3
VCR/DVR OUT
VCR/DVR IN
DVD (MULTI IN)
SUBWOOFER
SURROUND
4
HDMI
COAXIAL
5
DIGITAL IN
OPTICAL
B
TUNER UNIT
MIC AMP
MIC DETECT
L
R
L
CD
R
L
R
L
R
L
R
L
R
L
R
L
FRONT
R
CENTER
L
R
IN1
IN2
HDMI
SW
OUT
1
2
1
2
40
59
L
60
R
61
62
55
56
53
54
49
50
47
48
45
46
71
72
67
68
MICRO
CONTROLLER
14
13
15
-
16
-
Q341
C
L
37
R
36
2ch ADC
DIR
HT-R508
D
Q5503
FL 73
INVERTING
FR
74
INVERTING
75
30
C
77
SL
33
78
SR
32
76
SW 31
8ch
Q301
CS42518