Onkyo HT-R960 Service Manual page 5

A B
BLOCK DIAGRAM
HDMI SECTION
IN
1
VIDEO
(ANALOG)
14 CY1
Y
CYIN1
17 PB1
COMPONENT PBIN1
CB
IN 1
20
PR1
CR PRIN1
COMPOSITE
60 V1
VIN_DVD
DVD IN
8
C1
CIN_DVD
C Y
1
S VIDEO
Y1
YIN_DVD
DVD IN
2
TMDS
SCL
HDMI
SDA
IN 1
+5V
HPDET
CEC
1. Data2 +
58
3. Data2 - I
4. Data1 + 68
8 line
TMDS
6. Data1 - R2X+/-
71
TMDS
7. Data0 + SCL
DSCL2
70
9. Data0 -
SDA DSDA2
IN 2
10. Clock + 72
+5V
RPWR2
12. Clock -
56 HPD2
HPDET
13. CEC
CEC
3
15. SCL (DDC Clock)
16. SDA (DDC Data)
18. +5V Power
19. HPDET (Hot Plug Detect) 8 line
R1X+/-
TMDS
SCL DSCL1
SDA
DSDA1
IN 3
+5V RPWR1
HPDET HPD1
CEC
8 line
R0X+/-
TMDS
SCL DSCL0
IN 4 SDA DSDA0
+5V RPWR0
HPDET HPD0
CEC
4
2
BUS SWITCH
Q8405
AUDIO
DIGITAL
OPTICAL 1
OPT1
5
Q306
37
36
C
VIDEO SWITCH
Q8162
AN15880A
CYOUT1 37
PBOUT1 33
PROUT1 27
5
VOUT3 49
COUT3 39
3
YOUT3
44
CYOUT2 35 221
ADINPY (Component Y)
PBOUT2 32
223
ADINPB (Component B)
PROUT2 24 219
ADINPR (Component R)
VOUT2 54 233
ADINCV (Composite)
COUT2 40 231
ADINSC (S Video C)
YOUT2 45 229
ADINSY (S Video Y)
8 line 57 - 70
34 DSCL0
33
DSDA0
30 R1PWR5V
1-11 8 line
TX+- TMDS R0X+/-
15
LSCL SCL CSCL
14
LSDA SDA CSDA
79
+5V
ROPWR5V
HDMI SWITCH
Q8162
SII9185
MULTIPLEXER
Q202
5
CEC_IO
HDMISPF_DL2
46
RXP3
DIR
RXP2
47
DIR / ADC / DAC
16
AINL- Q301 CS42518
15
AINL+
2ch ADC
13
AINR-
14
AINR+
D E
1
CYOUT1
PBOUT1
PROUT1
VOUT3
COUT3
YOUT3
DRO_0
32
75
I
I
I 3A4
CH3P_LV DRO_7
41
82 8 line
I
2A1
CH1N_LV
DGO_0 26
VIDEO PROCESSOR
B1P
I I 4A4
Q8001 DGO_3 30
C1P 83
4A1
FLI30502
I
CH0P_LV
A1P
92 8 line
I DGO_4
43
VIDEO SCALER CH2N_LV I
I
DGO_7
48 1A4
OSD CONTROLLER
C2P
ADC (VIDEO)
1A1
DBO_0
94 32
I I
I
B2P CH1P_LV
DBO_7
41
I 102 8 line 3A4
PD23/B7
A2S
2A1
BUS BUFFER
Q8002, 8003
TC74VCX162244FT
126-141
TXY0 - 11
Q12 - Q23
1-16,144
TXCB0 - 11
Q0 - Q11
108-123
HDMI RECEIVER
Q24 - Q35 TXCR0 - 11
Q8501
5
ODCLK TXPIXCLK
SII9135
19
DE
TXBLNK
20
HSYNC
TXHSYNC
21
VSYNC
TXVSYNC
78
SPDIF HDMISPF_DL2
Refer to
(SD-7) DSP SECTION
6 HD-Audio route
7 9 12
141 139 120
DSP
Q201
D788E001BRFP266
117 116 115 113
LPF
32
FL+
33
FL-
8ch DAC
Q401
31
FR+
30
FR-
F G
Refer to
(SD-9) VSP SECTION
8
I
I
17
TXCR4 - 11
19
I
I
23
TXY4 - 11
2
I
6
I
8
I
17
TXCB4 - 11
I
3
4
2
TXY0 - 3
D12
12 line
I
TXY4 - 11
D23
D0
TXCB0 - 3
12 line
I
TXCB4 - 11
D11
D24
TXCR0 - 3
12 line HDMI TRANSMITTER
I
TXCR4 - 11
D35 Q8401
88
IDCK
SII9134
1
DE
2
HSYNC
3
VSYNC
4
SPDIF
PCMLRCK
PCBBCK
BUS BUFFER
PCMLR
Q205
TC74VHC541FT
MAIN MICROPROCESSOR
Q701
MPD70F37746
Video Signal Flow
1
2
SELECTOR/TONE/VOLUME
Q5501
3
R2S15211FP
4
5
MUTING
17
73
Q5606
TONE Aidio Signal Flow
16
6
VOLUME
74
TX-SR606
H
OUT
Y
VIDEO
COMPONENT
(ANALOG)
CB OUT
CR
COMPOSITE
MONITOR OUT
C Y
S VIDEO
MONITOR OUT
Refer to
(SD-8) DSP SECTION
HDMI
8 line
TMDS
47
DSDA SCL
46
DSCL SDA
OUT
BUS SWITCH
Q8309
HPDET
DDCPWR5V +5V
CEC
+12V REG. +5V
Q8305
POWER AMPLIFIER
AUDIO
RL6600
FL FLOUT
+29dB
L
FRONT
SPEAKERS
FR +29dB RLOUT
R
Q6601
Analog ---> Analog
HDMI ---> HDMI
Analog ---> HDMI
OSD ---> HDMI
Composite ---> Composite
HD-Audio route
Multi-ch PCM / DD+ /
TureHD / High Resolution Audio /
Master Audio SACD (except DAC Direct Mode)
<Ex.>
(SD-9) = SCHEMATIC DIAGRAMS-9