Schematic Diagrams - Onkyo HT-RC270 Service Manual

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SCHEMATIC DIAGRAMS - 17

VMPU/ENCODER SECTION
Q Q
3 7 6 3 1 5 1 5 0
1
U007
BAHDM-0471
+3.3VHD
Q8852
XC6221B182MR
2
3.3V
1
5
+1.8VEN
VIN
VOUT
2
VSS
KRC104S
3
4
C8875
CE
NC
Q8853
225K
LBC2518T4R7M
3
DEGRND8
DEGRND9
Except TX-NR708/NA708,
HT-RC270,DTR-40.2
VIDEO ENCODER
4
TX-NR708/NA708/DTR-40.2/
NO
HT-RC270
OTHER MODEL
YES
T E
L
1 3 9 4 2 2 9 6 5 1 3
UM6K1N
Q8702
5
5
RXSW_INT
RXSW_SCL
RXSW_SDA
TX_SCL
R8730
TX_SDA
2.2K
TX_INT
R8731
TX_RST
2.2K
TX2_INT
TX2_RST
INPSEL
HPLG_DET
HPLG2_DET
RX_CLK
NC_10Kx4
RX_SDA
RX_MUTE
VIDEO MPU
3.3V
RX_RST
RX_INT
ODDC_SDA
ODDC_SCL
ODDC2_SDA
R8733
ODDC2_SCL
10K
6
VSW_MUTE
VPOWER
NC_10K
R8734
NC_10K
R8735
REON ONLY
OETX
NC_10Kx4
OERX
R8737
OEDECTH
OEDEC
OERXTH
10K
R8738
RXSW_RST
NC_10K
RX_RST
R8740
NC_10K
R8741
R8743
10K
R8742
R8744 NC_10K
RXSWDEF
10K
7
R8745 10K
TXDEF
VSPTYPE
+3.3VHD
R8747 10K
R8748
NC_10K
L8701
BLM18PG181SN1D
TX-NR708/NA708/DTR-40.2/
TX-NR808 MDC/MDF/HT-RC270
TX=1
R8745
NC
w w w
R8746
10K
8
C
D
SEQUOIA(VSP) PART
DIGITAL INPUT
C8851
105Z
C8852
C8854
106K/6.3
105Z
L8852
C8853
122mA
106K/6.3
C8855
106K/6.3
220/4
C8856
1
48
+
105Z
VDDIO
C8860
2
47
R8870
180
R8871
TEST0
RSET1
R8854
3
46
C8870
105K
330
TEST1
48:SFL/MISO
VREF
22X4
DEGRND2
4
45
C8869
222K
Y0
COMP1
DEGRND3
5
44
Y1
DAC_1
DEGRND4
6
43
Y2
DAC_2
DEGRND5
7
42
Y3
Q8851
DAC_3
DEGRND6
8
41
Y4
VAA
C8868
DEGRND7
9
40
ADV7342BSTZ-3
Y5
AGND
10
39
105Z
VDD
DAC_4
105Z
11
38
DGND
DAC_5
C8861
12
37
Y6
DAC_6
13
36
Y7
REST2
C8867
R8855
14
35
TEST2
COMP2
22X4
15
34
222K
TEST3
PVDD
16
33
C0
EXT_LF1
C8864
105Z
R8856 10K
C8863 153K
R8857
NC
R8864
C8862
180
154K
R8865
3.3K
C8857
106K/6.3
+1.8VEN
5mA
2
R8732
+3.3V_VMPU
R8719
10K
76
50
77
R8717 NC_10K
49
78
R8716 NC_10K
48
PDL7/AD7
PDL5/FLMD1
P95/A5
79
PDL6/AD6
47
PDL8/AD8
P94/A4
80
P97/SIB1
46
PDL9/AD9
P93/A3
P96/A6
81
45
PDL10/AD10
P92/A2
R8755 100
82
TX
44
PDL11/AD11
P91/SCL02
83
R8756 100
RX
43
PDL12/AD12
P90/SDA02
84
OC_DMS
42
PDL13/AD13
P55/DMS
85
2.2Kx4
OC_DCK
41
PDL14/AD14
P54/DCK
86
Q8701
40
R8714
OC_DDO
PDL15/AD15
P53/DDO
87
39
OC_DDI
PDH0/A16
P52/DDI
88
38
PDH1/A17
P51
2.2Kx4
89
MPD70F3740GC
37
TX_SCL
P711/ANI11
P50
90
36
R8713
DBG_RXD
P710/ANI10
P39/SCL00
91
35
DBG_TXD
P79/ANI9
P38/SDA00
92
34
C8706
P78/ANI8
EVDD
93
33
105Z
P77/ANI7
EVSS
94
32
TX_SDA
P76/ANI6
P37
2.2Kx4
95
31
RX_CLK
P75/ANI5
P36
R8712
96
30
RX_SDA
P74/ANI4
P35
P32/ASCKA0
97
29
RXSW_SCL
P73/ANI3
P34
P31/RXDA0
98
28
RXSW_SDA
P72/ANI2
P33
R8711
99
27
BOOT
P71/ANI1
100
2.2K
VSP_RXD
26
P70/ANI0
R8710
10K
DRST
3.3V
GNDHD
CSTCR5M00G53-B0
R8704
10K
OTHER MODEL
R8749 22
R8750 0
TX=2
R8751 0
OC_FLMDO
10K
NC
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E
F
ANALOG INPUT
PART-18
VPOWER
31
VSW_SDET
30
VSW_VDET
29
VSW_CDET
28
VSW_SDA
27
VSW_SCL
26
VSW_MUTE
25
GNDVD
24
ADINSC
23
GNDVD
22
ADINSY
21
C8838
GNDVD
20
NC_470J
ADINPR
19
C8839
GNDVD
18
NC_470J
ADINPB
17
C8840
GNDVD
16
NC_470J
ADINPY
15
GNDVD
14
ADINCV
13
GNDVD
12
DACSC
11
GNDVD
10
DACSY
9
GNDVD
8
DACPR
7
GNDVD
6
DACPB
5
GNDVD
4
DACPY
3
GNDVD
2
DACCV
1
GNDHD
Q
Q
3
7
6
1
GNDHD
2
FSO/TXD
3
HS
4
+3.3VMPU
5
FCLK
6
FSI/RXD
7
FWFLMD0
8
FWRESET
9
1
2
3
4
5
6
7
8
9
VM_RDY
VM_RST
HDMIMUTE
VM_SDI
VM_SDO
VM_CLK
VSP_TXD
VSP_RXD
VDLOCK
VSP_RST
u 1 6 3
TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2
G
H
8
9
2
4
9
+1.2V
+3.3V
Q8933
Q8932
XC6221B122MR
XC6221B332MR
3.3V
5.0V
XC6202P502FR
1
1
1
5
5
VOUT
VIN
VOUT
VIN
2
2
VSS
VSS
KRC104S
Q8935
3
3
2SC2712-GR
4
4
NC
CE
Q8936
NC
CE
+5.15V
+5VHD
3
1
5
1
5
0
8
9
L8953
BLM21PG221SN1
L8954
BLM21PG221SN1
BLM21PG221SN1
L8956
L8955
BLM21PG221SN1
3.3V
+3.3V
3.3V
+1.8V
+0.9V
L8963
Q8941
CM3202-02DE
BLM21PG221SN1
9
PAD
3.3V
BLM21PG221SN1
L8964
8
1
L8941
VDDQ
VIN
BLM21PG221SN1
7
2
ADJSD
NC
L8965
6
3
GND
VTT
BLM21PG221SN1
5
4
GND
NC
+1.2V
L8973
BLM21PG221SN1
L8974
BLM21PG221SN1
L8975
BLM21PG221SN1
1.2V
+1.08V
L8983
BLM21PG221SN1
L8984
BLM21PG221SN1
L8985
BLM21PG221SN1
m
c o
.
I
J
K
8
2
9
9
GND_ARM
GNDHD
R8930
L8930
47(1/4W)
BLM18PG181SN1D
R8931
L8931
47(1/4W)
BLM18PG181SN1D
Q8931
GNDVD
5
3
R8932
+12VHDMI
4
O
I
47(1/4W)
+5VVSW
3
G
+12VHDMI
2
GNDVD
1
GNDHD
1.2V
R8951
10K
9
THRM
2
4
9
8
2
9
9
L8952
0182-7E08Q-100M-RA
R8961
10K
9
THRM
R8968
L8962
0182-7E08Q-100M-RA
4.7K
R8971
10K
9
THRM
D8983
L8972
1SS352
0182-7E08Q-100M-RA
R8981
10K
9
THRM
D8984
L8982
0182-7E08Q-100M-RA
1SS352
For 2ndDSP core power

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