Onkyo HTR940 Service Manual page 12

A B
BLOCK DIAGRAMS-1
AUDIO SECTION
TUNER UNIT
XM DIGITAL TRANSCEIVER
1
ANTENNA UNIT
XM
XMDT IC DAC
F2602E-01 AK4384
L
CD IN
2 R
L
TAPE OUT
R
L
TAPE IN
R
L
VIDEO 3 IN
R
L
VIDEO 2 IN
R
3
L
VIDEO 1 OUT
R
L
VIDEO 1 IN
R
L
FRONT
R
CENTER
SUBWOOFER
DVD
L
SURROUND
R
L
4
SURROUND BACK
R
DIGITAL IN
1
OPTICAL 2
5
3
COAXIAL
C D
59
60
63
64
74
35
73
34
75
30
56
78
55
32
54
79
53
33
61
76
62
31
50
80
49
28
62
79
61
29
46
45
72
71
68
67
16
15
2ch ADC
14
13
RX2
RX7
49
48
43
47
DIR
46
45
44
42
50
CS42518
E
R2S15211FP
8ch ELECTRONIC VOLUME /
11 INPUT SELECTOR /
TONE CONTROL
FL
19
TONE
FR
17
TONE
C
7
SL
14
SW
12
SR
9
SBL
4
SBR
2
4M Bit FLASH ROM
110
62
63 109
64 107
1 106
D707E001RFP250
8ch DAC
58 118
54 86
134
F G
POWER AMPLIFIER
FL
+29dB
FR
+29dB
C
+29dB
SL
+29dB
SR
+29dB
SBL
+29dB
SBR
+29dB
SUBWOOFER
PREOUT
RI
INTERFACE
To MICROPROCESSOR
IC42S16100
DSP 16M bit SDRAM
HT-R940
H
PHONES
LEFT
FRONT A SPEAKERS
RIGHT
CENTER
LEFT
SURROUND SPEAKERS
RIGHT
LEFT
SURROUND BACK
SPEAKERS
RIGHT
LEFT
FRONT B SPEAKERS
RIGHT
RI