Onkyo HT-RC260 Service Manual page 21

A B
BLOCK DIAGRAMS-1c Q Q
3 7 6 3 1 5 1 5 0
AUDIO BLK SECTION
1
(FRONT IN)
TUNER
PACK
FRONT BOARD MIC AMP
MIC
Q7401
MIC DET
UNIVERSAL PORT
UPORT OPTION UNIT
U PORT L
2
ZONE2 L
UPORT ZONE2 R
SXM ANATENA U PORT R
SXM
SXM
ONLY:TX-SR608/DTR-30.2
(
Canadan,USA model)
AUX IN
3
(FRONT IN)
TUNER
(MJJ ONLY)
TV/CD
4
PC
GAME
T E
L 1 3 9 4 2 2 9 6 5 1 3
CBL/SAT
VCR/DVR OUT
5
VCR/DVR
DVD/BD
COAX 1
COAX 2
6
OPT1
OPT2
EXCEPT:DTR-20.2
ARC_SPDIF
HDMI_SPDIF
IN
HDMI MCK
(FRONT HDMI)
HDMI BCK
HDMI LRCK
7
HDMI FLR
IN5
IN4
DIR BCK
DIR LRCK
IN3
DIR FLR
DIR MCK
HDMI
RX
IN2
w w w
CX LRCK
CX SCLK
DSP SBLR
IN1 (BL/BR)
DSP SLR
(SL/SR)
DSP CSW
(CT/SW)
DSP FLR
8 (FL/FR)
HDMI
OUT TX SPI to Micom
HDMI BLOCK DIAGRAM
TX-SA608 TX-SR608 HT-RC260 DTR20.2 DTR-30.2
C D
AUDIO ANALOG SIGNAL(TV/CD)
FRONT L
FRONT R
DIGTAL AUDIO SIGNAL(OPT-1)
85
86
81
54 INVERTING
Q4003
82
55
INVERTING
73 Downmix
FL/FR -12dB
SW +3.5dB
72
78
79
70
71
68
69
66
67
64
65
62
63
60
61
58
59
90
Z2 L
47
91
46 Z2 R
75
76
84
83
PCM9210
47
RTAD 2ch ADC
RTAD
48
LTAD
29
28
3
4
DIR
31
30
15
Q301
HDMI MCK 7
x a o HDMI BCK 8
y
HDMI LRCK 9
HDMI FLR 10
. i
SPI
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E F G
Q4001 R2A15218FP
23 FL
TONE (FR)
24
(FR)
94
FL
43
FR
21
TONE (FL)
93
20
(FL)
42
FR
95
CEN
17
CEN
38
18
SL
98
(SR)
SL
11
(SR)
41
12
SR 97
(SL)
9 SR
40
(SL)
SW
96 8
39
SW
15
SBL 100
14
(SBR)
37
5 SBL
(SBR)
SBR 99
(SBL)
6
36
Q Q
3 7 6
3 SBR
44
(SBL)
2
45
ZONE2 FUNCTION Q4810
3
28
30
TONE
26
2
29
27
TONE
31
4
5
Zone2 in(L-ch)
39
Zone2 out(L-ch)
Zone2 out(R-ch)
Zone2 in(R-ch)
40
EXCEPT:TX-SR608/TX-SA608/HT-RCRC260
SBL
SBR
SL
SR
SW
C
FL
FR
- + - + - + - +
DIR MCK 14
CX LRCK 6
CX SCLK 7
8ch DAC
DSP SBLR 8 (BL/BR)
25 DIG CLK
DSP SLR 9 (SL/SR)
24 DIG SD0
DSP CSW 10 (CT/SW)
23 DIG SD1 Q302 PCM1690
DSP FLR 11 (FL/FR)
19 DIR BCK
18 DIR LRCK
SPI SPI
17 DIR FLR
20 DIR MCK
40
u 1 6 3
X-TO
X171-XTAL
39 24.576MHz
X-Tl
MCLK
.
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TX-SA608 TX-SR608 HT-RC260 DTR20.2 DTR-30.2 DTR-20.2/30.2
H I
2 4
8 9 9
POWER AMPLIFIER
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
Subwoofer
AV=+20dB
+29dB
TX-SA608
DTR-30.2
ONLY
EXCEPT:
TX-SR608/DTR-20.2
FL
3 1 5 1 5 0 8 9
FR
C
SW1
0
R5709 SW2
0
R5708
17
L-out SL
SR
18
R-out SBL
SBR
EXCEPT:TX-SR608
12 SBRELAY
DTR-30.2
ONLY
Z2 out(L-ch)
Z2 L
11
Z2 R
Z2 out(R-ch)
ZONE2 OUT
EXCEPT:TX-SA608
Z2MUT
EXCEPT:
TX-SR608/TX-SA608/HT-RC260
- + - + - + - +
(HMDI SLC) VMCLK
(HMDI SDA) VMSDO
VMSDI
DIGSDI
DIGSDO
DIGCLK
21 DIG CLK
20 DIG SDO
m
c o
J K
2
8 9 9
HEADPHONES
SPEAKER TERMINALS
FRONT LEFT
FRONT RIGHT
CENTER
SURR. LEFT
SURR. RIGHT
SUUR. BACK
HIGH/WIDE
LEFT
HIGH/WIDE
RIGHT
EXCEPT: DTR-20.2
ZONE2
ZONE2/HIGH/
2 4 9 8 2 9 9
WIDE LEFT
ZONE2/HIGH/
WIDE RIGHT
EXCEPT:
SA608/DTR-20.2
12V TRIGGER A
12V TRIDDER
12V TRIGGER B
CONTROL
12V TRIGGER C
EXCEPT:STX-R608/TX-SA608/HT-RC260
IR IN
IR
IR IN
REMOTE SENSOR
IR OUT
RI
RI
INTERFACE
RS232
RS232
TRANSMITTERS
FRONT
24
MICOM
23 Q7002
22 FLDCLK
51 7
Q701
M66005
68
50 8
69
FLDSDO
uPD70F3746
70
500KHz
SPI
SDI SDI 2
Q705
XTAL-X501
SDO SDO 5
EEPROM
5MHz
CLK CLK 6