Onkyo TX-SR504 - Block Diagrams-1: Audio Section

TX-SR504/504E/8450
BLOCK DIAGRAMS-1
AUDIO SECTION
TX-SR504/504E/8450
SPRLB SBRL CSRL FRL
MAIN L
MAIN R
SUB L
SUB R
REC L
REC R
SBMUT
AMUT
FRONT
SPEAKERS
CENTER
SUB
WOOFER
POWER AMPLIFIER
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
FM/AM
TUNER UNIT
VIDEO 1 IN
VIDEO 1 OUT
VIDEO 2 IN
TAPE IN
TAPE OUT
CD
LPF LPF LPF LPF LPF LPF LPF LPF
SD_RAM
COAXIAL
Q301 CS42518
8ch DAC
DSP
D707E001RFP
RI
RI
INTERFACE
TONE
TONE
PHONES
VIDEO 3 IN
OPT 1
OPT 2
OPT 3
XM ANTENNA UNIT
AK4384
DAC
XM RADIO
XM/DT IC
DIR
2ch ADC
FLASH ROM
PREOUT
-
-
107
118
106
81
80
86
134
109
110
58
54
63
62
64
1
39
38
++ ++++
+
+
25k25k 25k25k25k25k25k25k
25k25k25k25k25k25k25k25k
(FRONT)
Q5501
Q201
Q282
Q281
Q701
M306222MWP
MICROPROCESSOR
MDD, MDC ONLY
CENTER
(MULTI CHANNEL INPUT)
DVD
FRONT SPEAKERS B
INVERTING
INVERTING
M12L16161A
ES29LV400
R2S15211FP
SELECTOR/VOLUME
DIGITAL IN
FRONT
SURROUND
SURROUND
BACK
SUBWOOFER
L
R
L
R
L
R
L
R
L
R
L
R
L
R
C
SL
SR
SW
SBL
SBR
L
R
L
R
L
R
C
SL
SR
SW
SBL
SBR
FL
FR
L
R
SURROUND
SPEAKERS
L
R
SURROUND BACK
SPEAKERS
L
R
L
R
A
1
2
3
4
5
BCDEFGH