HT-R550
BLOCK DIAGRAMS-1
AUDIO SECTION
MAIN L
MAIN R
SUB L
SUB R
REC L
REC R
AMUT
SBMUT
Z2RL
FRL
CSRL
SBRL
FRONT SPEAKERS
CENTER SPEAKER
POWER AMPLIFIER
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
VCR/DVR IN
VCR/DVR OUT
CBL/SAT IN
TAPE IN
TAPE OUT
CD
SETUP MIC
(FRONT)
MIC AMP
MIC DETECT
TONE
TONE
SURROUND BACK
DIR
2ch ADC
-
-
CS42518
8ch DAC
INVERTING
INVERTING
XM/DT IC
FRONT
CENTER
SURROUND
TUNER UNIT
PHONES
XM-RADIO
LPF
LPF
LPF
LPF
LPF
LPF
LPF
16M bit
SD_RAM
FLASH MEMORY
4M Bit
DSP
TMS320DA707
LPF
OPTICAL
ANTENNA UNIT
AK4384
DAC
SIRIUS
COAXIAL
Controller
Micro
HDMI
IN1
IN2
OUT
SW
HDMI
RI
INTERFACE
RI
PREOUT
SUBWOOFER
AUX INPUT
(FRONT)
+
+
+
+
+
+
+
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
+
25k
25k
25k
25k
25k
L
R
SURROUND
SPEAKERS
L
R
SURROUND BACK
SPEAKERS
L
R
FRONT
SPEAKERS B
L
R
MUTING
MICROPROCESSOR
DVD (MULTI IN)
SUBWOOFER
L
R
L
R
L
R
1
1
2
RELAY
RELAY
RELAY
RELAY
ES29LV400
M12L16161A
2
XM
SIRIUS
<MDD, MDC> Only
Q5501
R2S15211FP
SELECTOR/ VOLUME
Q701
M30624MHP
40
59
60
61
62
55
56
53
54
49
50
47
48
45
46
71
72
67
68
37
36
73
74
75
30
77
33
78
32
76
31
79
29
80
28
Q5503
FL
FR
C
SL
SR
SW
SBL
SBR
FR
FL
C
SW
SL
SR
SBL
SBR
31
30
32
33
36
37
35
34
28
29
27
26
22
23
21
20
Q341
L
R
FL
FR
C
SBL
SBR
SR
SW
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
19
17
7
14
12
9
4
2
Q301
Q282
Q281
Q201
A
1
2
3
4
5
B
C
D
E
F
G
H
