Onkyo TX-NR545 Service Manual page 37

1
Block Diagrams (Video section)
Model No.TX-NR545/646/747,DTR-20.7/30.7/40.7
D
C
B BATRM1754
ANALOG VIDEO
COMPONENT
CY1
CY
PB1
PB
PR1
PR
CY2
CY
PB2
PB
PR2
PR
COMPONENT
COMPOSITE_3P
CV1
A
CV2
CV3
AUX
(Front) CV
(only T5,D2)
COMPOSITE_1P
1
2
Q2002
74VHC4053AFT
Q2001
NJM41041VC3-TE1
6dB+DRV
Y/C
MIX
6.75MHz 75 ohms
13.5MHz
6dB+DRV
75 ohms
37MHz
13.5MHz
6dB+DRV
Q2003
74VHC4051AFT 75 ohms
37MHz
ADINPB
13.5MHz
ADINPR
6dB+DRV
ADINCV/CY
75 ohms
37MHz
2
3 4
SCHEMATIC DIAGRAM (PART-2) BLOCK DIAGRAM(VIDEO)
BAPRC1760
HDMI
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
SPI for UPDATE
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
XTAL
28.6363MHz
Q8202
UP to PLL SD VIDEO
480i DECODER
ADV7180
10bit 2D Comb
8bit ITU-R BT.656 YCrCb 4:2:2
MUX 86MHz VBI SLICER
A/D COLOR DEMOD
XTAL
27MHz
3 4
5
Schematic Diagram
SPI
MEMORY
SPI for UPDATE
Q8000
HDMI
REPEATER
MN864788
OSD
AUDIO IN
2CH
AUDIO OUT
MULTI CH
SPI
MEMORY
AUDIO OUT
2CH
Q8302
HDMI SW AUDIO IN
SII9573 2CH
OSD
TMDS
DDC
RPWR
HPD
AUDIO IN
I2S from DSP
2CH
XTAL
SPDIF
AUDIO OUT 27MHz
I2S
DSD
MULTI CH
ARC0
HDBaseT
CONNECT to HDMI OUT SUB
ARC1
only DTR-40.7
SPDIF
AUDIO OUT
I2S
DSD
MULTI CH
I2S from DSP
AUDIO IN
2CH
HDBaseT OUT
RJ-45
HDBaseT
only DTR-40.7
5
6
D
CEC
TMDS
TMDS
CEC
CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
C
I2S from DSP
SPDIF
I2S
DSD
ARC0
ARC1
SPDIF
I2S
DSD
I2S from DSP
TMDS
TMDS
NC CEC
DDC
DDC
RPWR
+5V
HPD
HP DET
B
with HDMI cable
HDMI IN for HDBaseT
A
6