![Onkyo TX-NR809 Service Manual Download Page 24](http://html1.mh-extra.com/html/onkyo/tx-nr809/tx-nr809_service-manual_1637672024.webp)
SCHEMATIC DIAGRAM-21
VMPU/ENCODER/POWER SUPPLY SECTION
TX-NR709/TX-NR809/TX-NR1009/TX-NA709/TX-NA809/TX-NA1009/HT-RC370/DTR-40.3/DTR-50.3
TX-NR709/TX-NR809/TX-NR1009/TX-NA709/TX-NA809/TX-NA1009/HT-RC370/DTR-40.3/DTR-50.3
A
1
2
3
4
5
B
C
D
E
F
G
H
6
7
8
I
J
K
+1.8VEN
+3.3VHD
DACCV
DACPR
DACPB
DACPY
DACSC
DACSY
GNDVD
KYT_GIN11
KYT_GIN10
KYT_GIN9
KYT_GIN8
KYT_GIN7
KYT_GIN6
KYT_GIN5
KYT_GIN4
KYT_CLKIN
KYT_CLKIN
KYT_VS_IN
KYT_VS_IN
KYT_DE_IN
KYT_BIN11
KYT_BIN10
KYT_BIN9
KYT_BIN8
KYT_BIN7
KYT_BIN6
KYT_BIN5
KYT_BIN4
KYT_RIN4
KYT_RIN5
KYT_RIN6
KYT_RIN7
KYT_RIN8
KYT_RIN9
KYT_RIN11
KYT_RIN10
KYT_HS_IN
KYT_HS_IN
RX_INT
VMRST
VHD_CLK
VHD_SDA
VHD_LOCK
VHD_RST
+3.3VHD
KYT_SDI
KYT_UPD
KYT_SDO
ENC_SDA
HDMIINT
ENC_SCL
VMCLK
VMSDO
VMSDI
VM_RST
RXSW_INT
VMRST
VMSDI
VMRDY
VMCLK
VMSDO
HDMIINT
OERXTH
OERXTH2
OERXTH3
RX_PDN
RX_RST
RX_SCL
RX_SDA
RX_INT
KYT_FHOLD
KYT_SCK
KYT_INT
KYT_RDY
KYT_REQ
HPLG_DET
KYT_RST
KYT_LOCK
KYT_SDA
KYT_CLK
ODDC_SCL
ODDC_SDA
KYT_CS
KYSPI_DO
KYSPI_DI
KYT_UPD
RXSW_SDA
RXSW_SCL
RXSW_INT
RXSW_RST
TX2_RST
INPSEL
TX2_INT
TX2_SDA
TX2_SCL
VSW_SCL
VSW_MUTE
VSW_VDET
VPOWER
VSW_SDET
VSW_CDET
VSW_SDA
+1.8VEN
KYSPI_DI
KYT_CSSEL
KYSPI_DO
+1.8VHD
+5.2VHD
+3.3VHD
+5.2V_VD
+12V
+12V
GND_HDMIIJIG
+1.0VHD
+1.1VHD
VSPTYPE
TXDEF
HPLG_DET
KYT_CLK
KYT_SDA
VHD_CLK
VSW_SDET
VSW_VDET
DBG_RXD
ETM_DATA3
ETM_DATA2
ETM_DATA1
ETM_DATA0
ETM_CLK
SWD_CLK
SWD_DATA
VSW_MUTE
KYT_SDO
KYT_CS
DBG_TXD
KYT_SDI
KYT_INT
KYT_SCK
TX2_INT
INPSEL
KYT_RDY
KYT_REQ
KYT_CSSEL
VPOWER
VSW_CDET
VHD_SDA
KYT_UPD
Xout
Xin
KYT_RST
KYT_FHOLD
BOOT
VDSWDCTL
VHD_RST
RXSWDEF
+3.3V_VMPU
RXSW_RST
OERXTH2
OERXTH3
VMRDY
RXSW_SDA
RXSW_SCL
TX2_SCL
TX2_SDA
RX_SCL
KYT_LOCK
RX_SDA
VHD_LOCK
RX_PDN
OERXTH
TX2_RST
RX_RST
ENC_SCL
ENC_SDA
ODDC_SDA
ODDC_SCL
VSW_SDA
VSW_SCL
GNDHD
GNDHD
GND_ARM
GNDHD
GNDHD
GNDHD
SWD_DATA
VM_RST
DBG_RXD
+3.3V_VMPU
DBG_TXD
SWD_CLK
ETM_DATA0
GNDHD
ETM_DATA2
ETM_DATA1
ETM_CLK
VM_RST
+3.3V_VMPU
ETM_DATA3
SWD_DATA
SWD_CLK
ETM_DATA0
GNDHD
DIGITAL INPUT
1mA
140mA
5mA
ENCODER:8831-8899
122mA
HDMI RX PART
KYOTO
KYOTO
VHD
VHD
VHD
KYOTO
KYOTO
MAIN
DEBUG
DEBUG
DEBUG
DEBUG
DEBUG
DEBUG
DEBUG
7844
7844
7844
7844
9489
9489
7844
DEBUG
DEBUG
9489
MAIN
DEBUG
TX2
TX2
KYOTO
VHD
VHD
VHD
VHD
TX2
TX2
TX2
TX2
TX2
Top type
Top type
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
7844
MAIN
MAIN
MAIN
8.00MHz
HDMI SUB OUT PART
MAIN
MAIN
MAIN
MAIN
MAIN
BUS_ENC
BUS_THR
BUS_ST
VIDA PART
HDMI RX PART
7844
7844
7844
7844
7844
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTO
KYOTOG2H PART
CONNECTOR PART
MAIN&DA830
BAHDM-0797 : TX-NR709/809/1009,TX-NA709/809/1009,HT-RC370,DTR-40.3/50.3
PART-20
HDMI SW PART
9489
9489
7844
7844
7844
7844
7844
7844
7844
BAHDM-0797
( 5 / 9 )
VIDA PART
PART-19 or 28
PART-17 or 26
PART-19 or 28
PART-18 or 27
PART-17 or 26
PART-19 or 28
PART-20 or 29
PART-16 or 25
+5.2V
+3.3V
KRC104S
POWER SUPPLY
10K
Mid
High
L8965
YES
NO
(GND_5.2V)
SINK
HDMI JIG
NO USE
+1.1V
OTHER MODEL
YES
OTHER MODEL
YES
NO
+1.8V
EXCEPT TX-NR709/HT-R370/DTR-40.3
OTHER MODEL
TX-NR709/NA709/DTR-40.3/
HT-RC370
L8935
YES
NO
R8934
R8935
18KF
+1.08V
7844
9489
9489
VHD
ENC
ENC
MAIN
7844
7844
7844
KYOTO
KYOTO
KYOTO
TX2
TX2
TX2
BUS_ST
BUS_THR
BUS_VHD
9489
VSW
VSW
VMPU:8701-8759
2.2KF
3.3KF
27KF
HT-RC370,DTR-40.3
VIDEO ENCODER
Except TX-NR709/809/1009,
TX-NA709/809/1009,
NO
TX-NR709/809/1009,
TX-NA709/809/1009,
DTR-40.3,HT-RC370
YES
R8736
NO
R8735
HT-RC370
TX-NR709/NA709/DTR-40.3/
R8862
180
R8864
3.3K
3.3V
R8861
NC
R8856
22
R8857
22
Q8832
KRC104S
3.3V
1.8V
R8837
1K
R8835
1K
R8841
1K
R8844
3.3K
R8848
3.3K
R8853
3.3K
1.8V
+3.3VHD
R8831
47K
C8832
225K
L8833
LBC2518T4R7M
C8843
220/4
+
3.3V
R8840
330
L8834
LBC2518T4R7M
D8831
KDS4148U
R8860
22
R8859
22X4
R8863
22X4
R8858
22X4
GNDHD
C8837
105K
C8835 220/4
R8832 22X4
L8831
LBC2518T4R7M
L8832
LBC2518T4R7M
R8843
22X4
R8846
22X4
R8834 22X4
R8839
180
C8846
105K
R8847 3.3K
R8852
820
R8851
3.3K
R8850
180
C8854
153K
C8858
153K
R8836
NC
R8838
NC
C8844
NC_030C
R8842
NC
R8845
NC
C8850
NC_100D
C8853
NC_100D
R8849
NC
R8854
NC
C8856
NC_100D
C8834
105K
C8845
105K
C8851
105K
C8831
105K
C8849
105K
R8833
22X4
C8839
105K
Q8833
ADV7342BSTZ-3
1
VDDIO
2
TEST0
3
TEST1
4
Y0
5
Y1
6
Y2
7
Y3
8
Y4
9
Y5
10
VDD
11
DGND
12
Y6
13
Y7
14
TEST2
15
TEST3
16
C0
17
C1
18
C2
19
ALSB/SPI_SS
20
SDA/SCLK
21
SCL/MOSI
22
P_HSYNC
23
P_VSYNC
24
P_BLANK
25
C3
26
C4
27
C5
28
C6
29
C7
30
CLKIN_A
31
EXT_LF2
32
PGND
33
EXT_LF1
34
PVDD
35
COMP2
36
REST2
37
DAC_6
38
DAC_5
39
DAC_4
40
AGND
41
VAA
42
DAC_3
43
DAC_2
44
DAC_1
45
COMP1
46
VREF
47
RSET1
48
48:SFL/MISO
49
S_VSYNC
50
S_HSYNC
51
TEST4
52
TEST5
53
S0
54
S1
55
S2
56
VDD
57
DGND
58
S3
59
S4
60
S5
61
S6
62
S7
63
CLKIN_B
64
GND_IO
C8857
105K
C8848
NC_030C
C8841
NC_030C
C8847
222K
C8852
222K
R8855
10K
C8855 154K
C8859
154K
C8833
106K/16
C8840
106K/16
C8836
106K/16
C8838
106K/16
C8842
106K/16
C8860
106K/16
R8730
10K
R8729
0
R8722
2.2K
R8723
2.2K
R8709
22
R8725
10K
R8707
10K
R8706
10K
R8737
2.2K
R8738
2.2K
M4
M3
M5
M6
M7
Q8156
UM6K1N
5
2
4
1
6
3
R8726
2.2K
R8739
4.7K
R8740
4.7K
R8720
22
+3.3VHD
R8742
0
R8743
0
GNDHD
M2
R8710
2.2K
R8747
10K
+3.3VHD
C8701 104K
L8701
BLM18PG181SN1D
C8703
104K
C8704
104K
C8707
104K
C8706
104K
Q8741
NC_TC74LCX125FT(EL_K)
14
VCC
13
12
11
10
9
8
7
GND
6
5
4
3
2
1
C8741
NC_104K
R8741
NC_10K
X8701
CSTCE8M00G55-R0
R8708
10KX4
R8705
10KX4
R8719
10KX4
R8744
10KX4
R8746
10K
C8702
104K
R8701
10K
C8705
105K
D8701
KDS4148U
R8702
0
R8711
2.2K
R8713
22X4
R8703
22
R8750 10K
R8704
10K
C8708 106K/16
C8709
106K/16
R8731
NC
R8733
NC
R8745
10K
Q8831
BU18TD3WG-TR
1
VIN
2
GND
3
STBY
4
NC
5
VOUT
R8751
NC
R8728
10K
R8724
2.2K
R8748
NC
R8727
10K
+1.8VHD
Q8961
MP2363DN-LF-Z
9
THRM
4
GND
3
SW
2
IN
1
BS
8
SS
7
EN
6
COMP
5
FB
Q8931
MP2363DN-LF-Z
9
THRM
4
GND
3
SW
2
IN
1
BS
8
SS
7
EN
6
COMP
5
FB
V1
V3
V4
+5.2VHD
V2
L8951
BLM21PG
221SN1
R8941
10K
R8931
10K
Q8941
MP2363DN-LF-Z
9
THRM
4
GND
3
SW
2
IN
1
BS
8
SS
7
EN
6
COMP
5
FB
R8951
10K
Q8932
KRC104S
Q8953
KRC104S
R8957
10K
Q8952
KRC104S
C8945
682K
L8934
BLM21PG221SN1
D8931
RB050M-30
C8915
100/16
D8941
RB050M-30
C8944 106K/25
C8943 106K/25
C8918
100/16
L8953
BLM21PG221SN1
L8954
BLM21PG221SN1
L8963
BLM21PG221SN1
L8964
BLM21PG221SN1
D8961
RB050M-30
C8964
106K/25
C8963 106K/25
C8954 106K/25
C8953 106K/25
D8951
RB050M-30
C8934 106K/25
R8943
3.3K
R8953
5.6K
R8963
8.2K
C8914
104K
C8917
104K
C8920
104K
L8931
BLM21PG
221SN1
C8932
104K
C8931
104K
R8933
1.8K
C8935
223K
C8941
104K
C8942
104K
C8952 104K
C8951 104K
C8955
103K
C8965 103K
C8961 104K
C8962 104K
C8916
105K
C8922 105K
C8919
105K
Q8942
KRC104S
C8933
106K/25
L8941
BLM21PG
221SN1
Q8933
KRC104S
L8961
BLM21PG221SN1
R8947
10K
Q8943
NC_2SC2712-GR
R8937
0
R8938
NC_10K
D8952
KDS4148U
D8932
KDS4148U
R8948
NC_4.7K
Q8951
MP2363DN-LF-Z
9
THRM
4
GND
3
SW
2
IN
1
BS
8
SS
7
EN
6
COMP
5
FB
C8921
100/16
C8968
106K/16
C8967
106K/16
C8966
106K/16
C8958
106K/16
C8957
106K/16
C8956
106K/16
C8948
106K/16
C8947
106K/16
C8946
106K/16
C8938
106K/16
C8937
106K/16
C8936
106K/16
L8962
CDRH8D43_100
L8952
CDRH8D43_100
L8942
CDRH8D43_100
L8932
CDRH8D43_100
R8961
10K
R8962
8.2K
R8968
NC
Q8962
R8967
R8952
6.8K
R8958
NC
R8939
NC
R8932
5.6K
R8949
12K
R8942
12K
+3.3VHD
C8974
106K/16
C8973
106K/16
C8971
106K/16
C8976
104K
C8977
106K/16
C8978
106K/16
C8979
100/6.3
R8973
3.3KF
C8980
NC
R8972
3.9KF
C8975
NC
R8971
4.7K
D8907
RB050M-30
D8906
RB050M-30
L8944
BLM21PG221SN1
L8971
BLM18PG
121SN1D
Q8971
BD3552HFN-TR
8
GND
7
NRCS
6
FB
5
VO
9
4
Vin
3
GATE
2
EN
1
VCC
L8965
BLM18PG181SN1D
R8901
NC
C8901
100/25
C8902 106K/25
TP11
TP12
+12V
GNDHD
GND_ARM
GNDHD
JL2100B
NSCT-5P97
1
2
3
4
5
R8501 NC_1K
P8501
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
P8502
19
HP DET
18
+5V
17
GND
16
DDC DATA
15
DDC CLK
14
NC
13
CERemote
12
CK-
11
CK Shield
10
CK+
9
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
21
23
Shield
22
Shield
20
S8001
NC_NSS-12173
C8912
100/16
C8911
104K
C8913
105K
C8940
331J
R8936
10KF
R8946
10KF
R8945
10KF
C8950
NC
R8944
NC
R8956
10KF
C8960
151J
R8954
27KF
R8955
820KF
R8966
10KF
R8965
270KF
R8964
56KF
C8970
NC
C8972
NC_22/6.3
L8943
BLM21PG221SN1
L8933
BLM21PG221SN1
+1.0VHD
R8732
10K
R8734
10K
+1.1VHD
L8935
BLM21PG221SN1
R8749
22
Q8701
TMPM361F10FG
1
AVSS
2
VREFH
3
RESETn
4
MODE
5
PL0/SDA0/TB0OUT
6
PL1/SCL0/TB1OUT
7
PL2/SCK0/TB2OUT
8
PL3/INT0/TB3OUT
9
PL4/TXD1/TB4OUT
10
PL5/RXD1/TB5OUT
11
PL6/SCLK1/TB6OUT/CTS1n
12
PL7/INT1/TB7OUT
13
DVSS
14
PM0/SCLK2/TB1IN0/CTS2n
15
PM1/TXD2/TB1IN1
16
PM2/RXD2/ALARMn
17
PM3/INT2/TB3OUT
18
PM4/SCLK3/CTS3n
19
PM5/TXD3
20
PM6/RXD3
21
PM7/INT3
22
PN0/TXD4
23
PN1/RXD4
24
PN2/SCLK4/TB2IN0/CTS4n
25
PN3/INT4/TB2IN1/RMIN0
26
PP0/CS2n
27
PP1
28
PP2/BLS0n/SPDO
29
PP3/BLS1n/SPDI
30
PP4/WEn/SPCLK
31
PP5/OEn/SPFSS
32
PP6/ALEn
33
DVDD3B
34
DVSS
35
PA0/AD0
36
PA1/AD1
37
PA2/AD2
38
PA3/AD3
39
PA4/AD4
40
PA5/AD5
41
PA6/AD6
42
PA7/AD7
43
PB0/AD8
44
PB1/AD9
45
PB2/AD10
46
PB3/AD11
47
PB4/AD12
48
PB5/AD13
49
PB6/AD14
50
PB7/AD15
51
PE0/A17/TB5IN0
52
PE1/A18/TB5IN1
53
PE2/A19/TB6IN0
54
PE3/A20/TB6IN1
55
PE4/A21/TXD0
56
PE5/A22/RXD0
57
PE6/A23/SCLK0/CTS0n
58
PE7/INT5/SCOUT
59
DVDD3B
60
DVSS
61
SWDIO
62
SWCLK
63
PF0/TRACECLK
64
PF1/TRACEDATA0/SWV
65
PF2/TRACEDATA1
66
PF3/TRACEDATA2
67
PF4/TRACEDATA3
68
PG0/SDA1/TB7IN0
69
PG1/SCL1/TB7IN1
70
PG2/SCK1/CS0n
71
PG3/INT6/CS1n
72
PG4/SDA2/TB9IN0
73
PG5/SCL2/TB9IN1
74
PG6/SCK2/CS3n
75
PG7/INT7/WDTOUTn
76
RVDD3
77
XT1
78
XT2
79
DVDD3A
80
X1
81
DVSS
82
X2
83
DVDD3B
84
DVSS
85
PI2/INTE
86
PI3/INTF
87
NMIn
88
TEST1
89
TEST2
90
PI0/BOOTn
91
PI1/CEC
92
AVDD3
93
PJ0/AIN0
94
PJ1/AIN1
95
PJ2/AIN2
96
PJ3/AIN3/ADTRGn
97
PJ4/AIN4/KWUP0
98
PJ5/AIN5/KWUP1
99
PJ6/AIN6/KWUP2
100
PJ7/AIN7/KWUP3
VMPU
76.
79.
81.
26.
28.
29.
30.
31.
32.
50.
49.
48.
47.
33.
46
100.
96.
97.
98.
99.
R8714
2.2K
R8715
2.2K
R8755
2.2K
R8756
2.2K
R8717
2.2KX4
R8718
10KX4
R8759
47
R8760
47
R8712
10K
P8702
NSCT-9P2472
9
8
7
6
5
4
3
2
1
UART or J-LINK
R8974
39KF
R8758
2.2K
R8757
2.2K
R8935
R8934
R8736
R8735
P8703
NC_NSCT-11P2474
11
10
9
8
7
6
5
4
3
2
1
J-LINK,J-TRACE
U007
HDMI/ DSP CIRCUIt PC BOARD