Integra DTR-4.9 Service Manual page 4

A B
BLOCK DIAGRAMS-1
AUDIO SECTION
1
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
DVD
(MULTI IN)
SUBWOOFER
L
SURROUND
R
NC
4 1
(DVD)
COAXIAL
2
(CBL/SAT)
DIGITAL IN
1
(GAME/TV)
2
OPTICAL
(CD)
OUT
Refer to
BLOCK DIAGRAMS-2
IN 1
5
IN 2
HDMI
IN 3
SPDIF
OUT
I2S(DVD-AUDIO)/DSD
C
TUNER UNIT
40
57
58
63
36
64
37
65
66
61
62
59
60
55
56
53
54
51
52
49
NC
50
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
50
D E
Q5501
R2S15211FP
SELECTOR / TONE / VOLUME
FL
19
TONE
20
FR
17
TONE
18
74
C
INVERTING 7
35
6
73
SL
INVERTING 14
34
15
75
SR
12
30
11
78
SW
9
33
10
77
4
32
5
76
2
31
1
80
29
L
79
TONE
R
28
TONE
0dB FIX
TONE
MCH SB L
SUB
TONE
R
MCH SB
SUB
Q6310
M61540FP
ELECTRONIC VOLUME
62
63
64
8ch DAC
61
60
54
Q301
CS42518
F G
AUDIO ANALOG
FRONT L
FRONT R
POWER AMPLIFIER
AUDIO DIGITAL
+29dB
+29dB
Q5606 NC +29dB
NC
Q5605
+29dB
Q5607 NC
PREOUT
SUBWOOFER
+29dB
Q5600 Q5610
NC
Q5604
Q5603 NC
0dB FIX
L
ZONE 2
PRE OUT
R
0dB FIX Q5609 NC Q5608 NC
MUTING
Z2MUT
Q282
Q281
ES29LV160ET-70TG
M12L64164A-7TG
FLASH MEMORY
SDRAM
(DSP ROM)
117
116
115
Q201
113
D788E001BRFP266
DSP
1
I2S(DVD-AUDIO_DATA)/DSD
I2S(DIR_CLK)
Q202
TC74VHCT157FT
I2S(DVD-AUDIO_CLK)
MULTIPLEXER
DTR-4.9
H
PHONES
L
RL6600
FRONT
SPEAKERS
R
Q6601
CENTER
RL6602
SPEAKER
L
RL6603
SURROUND
SPEAKERS
R
Q6602
A
12V TRIGGER
B 12V TRIGGER OUT
CONTROL
C
IN A
IR
IN B IR
REMOTE SENSOR
OUT
RS232
RS232
TRANSMITTERS
RI
RI
INTERFACE
E-CON
ETHERNET
INTERFACE
Q701
MPD70F3746
MAIN MICROPROCESSOR