Onkyo HT-R640 Service Manual

HT-R640
BLOCK DIAGRAM-1
AUDIO SECTION
A
1
2
3
4
5
BCDEFGH
CSRL
FRL
MAIN L
MAIN R
SUB L
SUB R
REC L
REC R
SPDIF
AMUT
I2S(DIR/ADC)
I2S(DVD-AUDIO)
I2S(DVD-AUDIO)
+29dB
+29dB
+29dB
+29dB
+29dB
VIDEO 1 IN
VIDEO 1 OUT
VIDEO 2 OUT
VIDEO 2 IN
TAPE IN
TAPE OUT
CD
TONE
TONE
VIDEO 3 IN
AK4384
DAC
LPF LPF LPF LPF LPF LPF
DIR
2ch ADC
COAX 1
COAX 2
FRONT OPT
OPT OUT
OPT 1
OPT 2
Controller
Micro
HDMI
OPT 3
IN 1
IN 2
OUT
HDMI
TX
RX
HDMI
-
-
Q301 CS42518
FL
FR
SUB
WOOFER
C
SL
SR
PREOUT
RI
INTERFACE
RI
16M bit
SD RAMFLASH ROM
4M Bit
DSP
TMS320DA707
8ch DAC
I2S(DVD-AUDIO)
TC74VHCT157FT
INVERTING
INVERTING
XM/DT IC
DD ONLY
XM ANTENNA
UNIT
FM/AM TUNER UNIT
HEADPHONES
XM-RADIO
VIDEO 4 IN
FRONT
17
19
20
9
10
16
14
15
12
11
4
5
6
7
2
1
34
74
35
73
30
31
63
62
64
1
32
33
36
37
35
34
28
29
26
27
21
20
22
23
49
46
45
50
13
14
15
16
43
42
44
48
47
61
60
54
117
116
115
113
120 141
139
135
137
138
39
38
60
65
66
63
61
62
57
58
64
55
56
53
54
51
52
49
50
47
48
45
46
71
72
69
70
40
67
68
75
30
31
76
78
33
32
77
28
79
80
29
59
+
+ +++
+
25k25k 25k25k25k25k
25k25k25k25k25k25k25k25k25k25k
HP DET
Q5501 R2S15211FP
SW
MULTI CHANNEL
INPUT
DVD
LEFT
RIGHT
CENTER SPEAKER
LEFT
RIGHT
FRONT SPEAKERS
SURROUND SPEAKERS
5 CH
POWER
AMPLIFIER
Q701
M30627FHPGP
MAIN MICRO
PROCESSOR
<Note>
Refer to SCHEMATIC DIAGRAM-11(SD-11) for
digital audio signal flow and wave forms.
FR
FL
C
SL
SR
SW
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
37
36
FL
FR
C
SW
SL
SR
L
R
R
L
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Onkyo HT-R640 Specifications

General

Brand	Onkyo
Model	HT-R640
Category	Receiver
Language	English