Onkyo TX-NR545 Service Manual page 38

1
Block Diagrams (Digital Audio section)
MODEL NO.TX-NR545/646/747,DTR-20.7/30.7/40.7
D
MAIN OUT
HDBaseT
Only for D4
SUB OUT
Except for T5/D2
HDMI IN1
HDMI IN2
HDMI IN3
C
HDMI IN4
HDMI IN5
HDMI IN6
Except for T5/D2
HDMI IN7
HDMI IN8
FRONT
ANALOG
INPUT
OPT1
B
OPT2
COAX1
A
1
2
ARC
HDBaseT
Q8000
HDMI Tranceiver TX0
MN864788
TMDS
RX0
HDMI
RECEIVER
RX1
Q8302
RX2
HDMI
RECEIVER
RX3
HDMI Tranceiver
SII9573CTU
Q4001 DIR
ASP PCM9211PTR
LTAD 47
VINL
RTAD 48
NJW1298 VINR
37
RXIN0
35
RXIN1
DIR_MCK 33
RXIN2
OPT1 32
RXIN3
OPT2 31
RXIN4
OPT3 30
RXIN5
COAX1 29
RXIN6
COAX2 28
RXIN7
3
MPIO_A0
4
MPIO_A1
HDMI_SPDIF 5
MPIO_A2
6
MPIO_A3
22.5792MHz
24.576MHz
39
XTI DIVIDE
40
24.576MHz XTO
DIVIDE
DIR
PCM9211PTR
47
VINL
48
VINR
37
RXIN0
35
RXIN1
33
RXIN2
OPT1 32
RXIN3
OPT2 31
RXIN4
OPT3 30
RXIN5
COAX1 29
RXIN6
COAX2 28
RXIN7
3
MPIO_A0
4
MPIO_A1
HDMI_SPDIF 5
MPIO_A2
6
MPIO_A3
39
24.576MHz XTI DIVIDE
40
XTO
DIVIDE
2
3
SCHEMATIC DIAGRAM (PART-3) BLOCK DIAGRAM(Digital Aud
Q3108
Ethernet PHY
KSZ8081RNL
Q3001
EMAC USB 1.1
F2
OSCIN
24MHz
Q8115
<-SDTV
LCX125 (for Bt)
DSD ->
CH1ABCLK 36
TX1
35
CH1ALRCLK
CH1ASD0 34
Q3202
129 HDMI_MCK LCX125
CH0AMCLK
131 HDMI_BCK
CH0ABCLK
CH0ALRCLK 132 HDMI_LRCK
STBP2
CH0ASD0 136 HDMI_SDO
135 HDMI_CSW
CH0ASD1
134 HDMI_SLR
CH0ASD2
133 HDMI_SBLR
CH0ASD3
Q1005
SCKO 20 DIR_MCK
BCK 19 DIR_BCK
LRCK 18 DIR_LRCK
17 DIR_SD0
DOUT
MPIO_C0 7
8 ARM1_BCK_O
MPIO_C1
9 ARM1_LRCK_O
MPIO_C2
10 ARM1_SD0_O
MPIO_C3
11 HDMI_MCK
MPIO_B0
12 HDMI_BCK
MPIO_B1
MPIO_B2 13 HDMI_LRCK
MPIO_B3 14 HDMI_SDO
15 NET_MCLK
MPO0
16 ADSP_MCLK
MPO1
Only for T5/D2
Except for T5/D2
Q1003
20
SCKO
BCK 19 Z2HM_BCK
18 Z2HM_LRCK
LRCK
17 Z2HM_SDO
DOUT
MPIO_C0 7 NET_MCLK
8 NET_BCK
MPIO_C1
9 NET_LRCK
MPIO_C2
10 NET_DATA
MPIO_C3
11
MPIO_B0
12
MPIO_B1
MPIO_B2 13
14
MPIO_B3
15
MPO0
16
MPO1
3
4 5
Schematic Diagram
Wi-Fi/BT Module
WCBN4601L-O1
Q3404
N3,T4:IPU
CS49844
DA830
USB 2.0
Q3200
VHC541
HDMI/NETSW
(ARM/HDMI)
Q8114
LCX125
Q1008
VHC241
DSDSW
(DSD)
Q1007
4040
1/64
4 5
6
D
Q3403
24.576MHz
MANI 8ch DAC
Q1004
C
ADSP_MCLK 1 FL
MCLK
ADSP1_BCK 2 FR
BICK
ADSP1_LRCK 3 C
LRCK
ADSP1_SD0 4 SW
SDTI1
ADSP1_SD1 5 SL
SDTI2
ADSP1_SD2 6 SR
SDTI3
ADSP1_SD3 7 SBL
SDTI4
SBR
AKM4458
B
Z2 NET/HDMI
/DIGITAL DAC
Q1002
12
SCK
Z2HM_BCK 13 Z2HDM_L
BCK
Z2HM_LRCK 15 Z2HDM_R
LRCK
Z2HM_SDO 14
DIN
PCM5101APWR
A
6