Onkyo HTR-590 Service Manual page 4

A B
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-01
BLOCK DIAGRAM
AUDIO SECTION PART-1
BADIS-0654 1/4
1
(HT-R548 ONLY)
MIC MIC AMP
MIC DET
(HT-R390 ONLY)
MINI JACK IN
TUNER PACK
2
BAAF-0614 1/2
TV/CD
GAME
CBL/SAT
3
VCR/DVR OUT
VCR/DVR
DVD/BD
BAAF-0614 2/2
RI
RI
INTERFACE
COAX 1
OPT1
4
OPT2
BAHDM-0678 1/1
HDMI (REPEATER)
Q8101 AVD7623
TRANSCEIVER
OUT
HDMI MCK
IN3
HDMI BCK
HDMI LRCK
HDMI FLR
IN2
IN1
SP to MiCOM
HDMI_SPDIF
SPI
DA808 Q201
DSP
SPDIF
DIR BCK
5 DIR LRCK
DIR FLR
DIR MCK
DSP SBLR
(BL/BR)
DSP CSW
(CT/SW)
DSP SLR
(SL/SR)
DSP FLR
(FL/FR)
CX LRCK
CX SCLK
DATA+
DATA-
VBUS
USB EN VBUS
OVERCURRENT DET
C D
TX-SR309/HT-R390/HT-R548/HT-RC330 BLOCK DIAGRAM-1
Q4001 R2A15218FP
85
86
(FR)
FL
81
INVERTING
54
Q4003
82
55
(FL)
73 INVERTING
Downmix
FR
FL/FR -12dB
SW -1.5dB
72
CEN
78
79
70
71
68
SW
69
66 100
SL
(SBR)
67
64
SR
(SBL)
65
62
63
*NOTICE
1.Actually the right and left in/output signal of Q4001(R2A1518FP) is connected reversely to real signal.
60
ex)(FR)<--->FL ,(FL)<--->FR
2.SL & SR in/out siganl of Q4001 is actually connected to SBL & SBR in/out(preout) signal.
61
3.SBL & SBR in/out siganl of Q4001 is actually connected to SL & SR in/out(spk out) signal.
58
59
90
Z2 L
47
91
Z2 R
46
75
76
84
83
PCM9210 Q301
RTAD
2ch ADC
DIG CLK
LTAD DIG SD0
DIG SD1
DIR
HDMI MCK
HDMI BCK
X-TO
HDMI LRCK
HDMI FLR
X-Tl
E
AUDIO Section ( PART-1 )
FL
23
(FR)
TONE
24
94
43
FR
21
TONE (FL)
93
20
42
95
17 CEN
38
18
98
11 SBL
41 (SR)
12
97
9 SBR
40
(SL)
96 8
Subwoofer
39
SW
15
AV=+15dB
14
37
5 SL
(SBR)
99
6
36
3 SR
44
(SBL)
2
45
(SL<--->SBL, SR<--->SBR)
(SBL<--->SL, SBR<--->SR)
SL
SR
SW
C
FL
FR
- + - + - + - + - +
DIR MCK
CX LRCK
CX SCLK
DSP SBLR (BL/BR)
DSP SLR (SL/SR)
DSP CSW (CT/SW) PCM1661 Q302
DSP FLR (FL/FR)
6ch DAC
SPI
DIR BCK
DIR LRCK
DIR FLR
DIR MCK
X171-XTAL
24.576MHz
MCLK
TX-SR309/HT-R390/HT-R548/HT-RC330
F G
BADIS-0654 2/4
POWER AMPLIFIER
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
(TX-SR309/HT-R548/HT-RC-330ONLY)
Z2MUTE
RI
SURR R
SURR L
ZONE2 R
ZONE2 L
U PORT R
U PORT L
- + USB VBUS
USB EN VBUS
OVERCURRENT DET
HI SIDE SW
(HMDI SLC) VMCLK
(HMDI SDA) VMSDO
VMSDI
DIGSDI
uPD70F3746 Q701
DIGSDO
MICOM
DIGCLK
DIG CLK
DIG SDO
SPI
SDI
XTAL-X501
SDO
5MHz
CLK
H
HEADPHONES
SPEAKER TERMINALS
FRONT LEFT
FRONT RIGHT
CENTER
SURR. LEFT
SURR. RIGHT
SUBWOOFER
(HT-R390 ONLY)
SPKR B LEFT
SPKR B RIGHT
SW-PREOUT
UPORT OPTION UNIT
UPORT
UNIVERSAL PORT
BADIS-0654 4/4
DATA+
DATA- USB
VBUS
YKF45-0029N
+5V
BADIS-0654 3/4
FLDCLK
Q7002
M66005
FLDSDO
FRONT
SDI
Q705
SDO
EEPROM
CLK