Onkyo HTR-548 SERIES - Schematic Diagram; Block Diagram; Block Diagram; Audio Section Part

TX-SR309/HT-R390/HT-R548/HT-RC330
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-01
BLOCK DIAGRAM
AUDIO SECTION PART-1
A
1
2
3
4
5
BCDEFGH
MAIN L
REC L REC R
SUB L
MAIN R
AMUT SPRLB_SPB
SPRLF
SPRLCS
RI
Z2MUTE
TONE
TONE
INVERTING
INVERTING
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
FR
CEN
CEN
SW
FLDSDO
Z2 R
Z2 L
Downmix
Subwoofer
EEPROM
Q705
SDO
CLK
SDI
SL
SR
SBR
SW
FL/FR -12dB
SW -1.5dB
AV=+15dB
FL
SBL
(SBR)
(SBR)
(SBL)
(SBL)
(SL)
(SR)
(FL)
(FR)
SL
SR
*NOTICE
2.SL & SR in/out siganl of Q4001 is actually connected to SBL & SBR in/out(preout) signal.
(SL<--->SBL, SR<--->SBR)
(SBL<--->SL, SBR<--->SR)
3.SBL & SBR in/out siganl of Q4001 is actually connected to SL & SR in/out(spk out) signal.
ex)(FR)<--->FL ,(FL)<--->FR
1.Actually the right and left in/output signal of Q4001(R2A1518FP) is connected reversely to real signal.
DSP SLR
DSP CSW
CX SCLK
CX LRCK
DSP SBLR
DSP FLR (FL/FR)
(CT/SW)
(SL/SR)
(BL/BR)
FR
(FL)
(FR)
FL
MIC DET
MIC AMPMIC
Q4003
SUBWOOFER
SURR. RIGHT
SURR. LEFT
CENTER
FRONT RIGHT
FRONT LEFT
SPEAKER TERMINALS
POWER AMPLIFIER
SPKR B
RIGHT
LEFT
SPKR B
SW-PREOUT
DIR LRCK
DIR FLR
DIR BCK
DIG SD1
DIG SD0
DIG CLK
DIR MCK
X-TO
X-Tl
DIR
24.576MHz
X171-XTAL
MCLK
HEADPHONES
HDMI LRCK
HDMI FLR
HDMI MCK
HDMI BCK
RTAD
LTAD
2ch ADC
PCM9210
Q301
DIR MCK
FRONT
TX-SR309/HT-R390/HT-R548/HT-RC330 BLOCK DIAGRAM-1 AUDIO Section ( PART-1 )
R2A15218FPQ4001
(HT-R548 ONLY)
MINI JACK IN
(HT-R390 ONLY)
LPF
+6dB
-++-
+6dB
+-
+6dB
+-
+6dB
+-
+6dB
+-
+6dB
LPF
LPF
LPF LPF LPF
SW
FL
C
FR
SR
SL
TV/CD
GAME
CBL/SAT
VCR/DVR OUT
VCR/DVR
DVD/BD
(HT-R390 ONLY)
(TX-SR309/HT-R548/HT-RC-330ONLY)
RI
RI
INTERFACE
COAX 1
OPT1
OPT2
HDMI Tx
TRANSCEIVER
HDMI (REPEATER)
HDMI BCK
HDMI LRCK
HDMI FLR
OUT
IN3
IN2
HDMI Rx
IN1
AVD7623Q8101
(SL/SR)
(CT/SW)
(FL/FR)
DIG CLK
DIG SDO
SPI
Q302
PCM1661
6ch DAC
XIN
XOUT
5MHz
DIGSDI
DIGSDO
DIGCLK
VMSDI
VMSDO
XTAL-X501
CLK
SDI
SDO
VMCLK(HMDI SLC)
(HMDI SDA)
uPD70F3746 Q701
MICOM
SPI
U PORT L
UNIVERSAL PORT
UPORT OPTION UNIT
UPORT
U PORT R
ZONE2 L
ZONE2 R
SURR L
SURR R
USB
YKF45-0029N
FLDCLK
+5V
HI SIDE SW
USB VBUS
DSP
CX LRCK
CX SCLK
DSP FLR
DSP SLR
DIR LRCK
DIR BCK
DIR FLR
DIR MCK
DA808
(BL/BR)
DSP CSW
DSP SBLR
DATA+
DATA-
VBUS
OVERCURRENT DET
USB EN VBUS
Q201
HDMI MCK
BADIS-0654 1/4
TUNER PACK
BAAF-0614 1/2
BAAF-0614 2/2
BAHDM-0678 1/1
BADIS-0654 4/4
BADIS-0654 3/4
BADIS-0654 2/4
HDMI_SPDIF
SPDIF
DATA+
DATA-
VBUS
OVERCURRENT DET
USB EN VBUS
SPI
SPI
SP to MiCOM
M66005
Q7002
68
69
66
67
64
65
63
62
60
61
58
59
90
91
47
46
2
3
6
5
14
15
8
9
12
11
17
18
21
20
23
24
38
95
94
43
93
42
98
41
97
40
96
39
100
37
99
36
44
45
73
72
84
85
86
55
54
83
78
79
81
82
70
71
75
76