Onkyo TX-SR55 Service Manual page 32

A B
SCHEMATIC DIAGRAM 2
DSP section
NAAR-8365-1(2)
1
U1
MSW
MCT
MSR
MSL
ADLT+
ADLT-
ADRT+
ADRT-
DAC_FL
DAC_FR
2 DAC_CT
DAC_SW
DAC_SL
DAC_SR
DAC_SBL
DAC_SBR
R620
22K
R596
6 6
7 7 22K
Q516:A Q515:A
DAC_SBR 5 5
NJM4565M-D
3
NJM4565M-D
NJM4565M-D
+ C541
220/16 C542
+
220/16
3 3
1 1
Q516:B Q515:B
DAC_SBL 2 2 22K
R595
22K
NJM4565M-D R619
R618
22K
R594
6 6
7 7 22K
Q513:A Q512:A
DAC_SR
5 5
NJM4565M-D NJM4565M-D
NJM4565M-D
NJM4565M-D
3 3
DAC_SL 1 1
Q513:B Q512:B
22K
2 2
R593
22K
R617
R616
4
22K
6 6 R592
DAC_SW
7 7 22K
Q510:A Q509:A
5 5
NJM4565M-D NJM4565M-D
NJM4565M-D
NJM4565M-D
3 3
DAC_CT
1 1
Q510:B Q509:B
22K
2 2
R591
22K
R615
R614
22K
6 6 R590
22K
DAC_FR 7 7
Q507:A Q506:A
5 5
NJM4565M-D
NJM4565M-D
5
NJM4565M-D 3 3
DAC_FL 1 1
Q507:B Q506:B
22K
2 2
R589
22K
R613
NJM4565M-D
C
-12VA
+12VA
R580
10K
R588 R572
6
1.5K 7 10K
Q514:A
5
NJM4565M-D
3
NJM4565M-D
1
Q514:B
1.5K 2 10K FIL_SBL
R587 R571
10K
R579
R578
10K
R586 R570 FIL_SR
6
1.5K 7 10K
Q511:A
5
NJM4565M-D R532 R516
6
7 680 3.3K
R564 180
Q504:A
R524 R508
5 R556
180 680 3.3K
NJM4565M-D
R523 R507
NJM4565M-D 3 3
1 1 R555180 680 3.3K
Q511:B Q504:B
1.5K 10K FIL_SL R531 R515
2 2 R563
R585 R569
180 680 3.3K
NJM4565M-D
10K
R577
R576
R530 R514
10K 6
R584 6 R568 FIL_SW R562 180 C869
7 680 3.3K
Q503:A 104Z
R554 R522 R506
1.5K 7 10K 5
Q508:A
5 C870 + 47/25
180 680 3.3K
NJM4565M-D C871 104Z
NJM4565M-D
R521 R505 +
3
C872
1 R553 180 680 3.3K
Q503:B
R561 R529 R513
NJM4565M-D 2 100/6.3
180 680 3.3K
NJM4565M-D 3
R528 R512
1 6
Q508:B
1.5K 10K
2 7 R560 4.7K 680 3.3K
Q502:A R552 4.7K
R583 R567 R520 R504
5
10K
680 3.3K
R575
R574
NJM4565M-D
10K R519 R503
3
FIL_CT
R582 6 R566 1 R551 180 680 3.3K
Q502:B C874
1.5K 10K R559 R527 R511 +
7 2
Q505:A
5 680
180 3.3K
220/16
NJM4565M-D
NJM4565M-D
R526 R510
6
FIL_FR
7 R558 180 680 3.3K
Q501:A
R550 R518
5 R502
180 680 3.3K
NJM4565M-D
NJM4565M-D 3
R517 R501
1 3
NJM4565M-D
Q505:B
1.5K 10K FIL_FL
2 1 R549 180 680 3.3K
Q501:B
R581 R565 2 R557 R525 R509
10K
180 680 3.3K
R573
D E
GND
+5VDSP
+12VA
-12VA
JL7503B
1 +5VDSP
2 GND
3 RX6
Q922
MPD2925T
1 3
I O
Q921
L921 MPD2933T
1 3
I O
22K
R682
ADCRST_3V 220
R683 220
DSPCS_3V
DSPRST_3V R684 220
DIGSDO_3V R685 220
R686 220
DIGCLK_3V
R688 220
DSPFCS_3V
R689
220
R690
DSPINT_3V
220
R691
DIGSDI_3V
220
DSPFINT_3V
L202
022M
C217
+
47/16
R234 47
DACDA2
DACDA1 R235 47
R236 47
DACBCK
R269 10K
C212
L861 104Z
R27010K
022M
R27110K
R237 47
DACLRCK
ADSDO R238 47
R239 47
SRCLRCK
R27210K
R27310K
L862 +
C201
022M 2.2M
C867 C213
+
104Z
220/16
17 64 56 R876 DSPCLKIN R240 47
VQ
18 63 56 R875
FLT+
19 62 56 R874 R27410K
REFGND
64:CX_SDIN2 56 R873 R27510K
20 61
AOUTB4- SAI_SLCK
21 63:CX_SDIN3 60 56 R872 SRCDO R241 47
AOUTB4+ CS42518 SAI_LRCK
62:CX_SDIN4 56 R871
22 59
AOUTA4+ OMCK
23 58 C215104Z
AOUTA4- ADCIN1
R242 47
24 Q861 57 SRCBCK
VA ADCIN2
25 56 56 R870 DSPCS_3V R218220
AGND1 CX_SDOUT
L865 LM182 R217220
26 CS42518/28-CQ 55 DIGSDO_3V
AOUTB3- RMCK
27 54 56 R869 C214
AOUTB3+ SAI_SDOUT
C879 104Z
28 53
AOUTA3+ AOUTB2+:31 50:TXP VLS
29 52 104Z R27610K
AOUTA3- AOUTA2+:32 49:RXP0 DGND2
R887
30 51
AOUTB2- VD2
104K
31 50 TX DSPBUSY_3V R277220
R888 330 R215 220
32 49 RX0 DIGCLK_3V
C880 R219 3.3K
R214 220
330J DSPRST_3V
104Z
022M
L863 PCB
1 8
VD
2 7 L867
3 6 LM182
C881 330J RX1 4 5 L868
GND
330
C882 330J R889 RX2 LM182
R899
C883 330J 330 R890 RX3 1M
330
C884 330J R891 RX4 1 3
330 R892
X801
12.288MHz
C886 330J RX6
330 R894 TC7WU04FU
Q862
0 R896
0 R898
F G
P120B
1
2 GND
3 RX0
4 RX1
5
6 RX2
7 RX3
8
9 RX4
10 RX5
11
12 TX
11 10
Y8 GND
12 9
Y7 A8
13 8 ADCRST
Y6 A7
14 7 DSPCS
Y5 A6
15 6 DSPRST
Y4 A5
16 5 DIGSDO
Y3 A4
17 4 DIGCLK
Y2 A3
18 3
Y1 A2
19 2 DSPFCS
_G2 A1
20 1
VCC _G1
C681
104Z
DIGSDI
DSPINT
TC74HCT7007AF
8 7
Q682
OUT4 GND
9 6 DSPFINT
IN4
10 5
OUT5
11 4
IN5
12 3
OUT6
13 2 DSPBUSY
IN6
14 1 R693 DSPBUSY_3V
VCC
220
C682
104Z R692 220
DACDA4
DACDA3
C219
1/50
+
109 72 A10
110 71 BA/EA19
C209
111 70
112 69 104Z
113 68 SD_CS
114 67 A4
115 66 A5
116 65 A6
SD_ADDR6,EXTA6
117 64 SD_CKE
CMPREQ,FLRCLKN2 SD_CLK_EN
118 63 A7
CMPDAT,FSDATAN2 109: AUDATA1 SD_ADDR7,EXTA7
119 62 A8
FLRCLKN1 AUDATA0 SD_ADDR8,EXTA8
120 61
L211
_WR,_DS,GPIO10 CMPCLK,FSCLKN2 SD_ADDR10,EXTA10 SD_CLK_IN
121 60 LM182 A9
_RD,R/_W,GPIO11 HDATA2,GPIO2 SD_BA,EXTA19 SD_ADDR9,EXTA9
122 59 SD_CKO
PLLVSS VSS3 VDDSD1 SD_CLK_OUT
R279
123 58 47
FILT2 VDD3 VSSSD1 VDDSD2
124 57 C208 104Z
FILT1 HDATA3,GPIO3 _SD_CS VSSSD2
125 56 SD8/EA11
PLLVDD HDATA0,GPIO0 SD_ADDR4,EXTA4 SD_ADAT8,EXTA11
126 55 SD9/EA12
XTALO SD_ADDR5,EXTA5 :66 SD_DATA9,EXTA11
Q201
127 54 SD10/EA13
CLKIN,XTALI SD_DATA10,EXTA13
128 53 SD11/EA14
CLKSEL SD_DATA11,EXTA14
CS494003
129 52 SD12/EA15
_CS,GPIO9 SD_DATA12,EXTA15
C207
130 51
A0,GPIO13 VDDSD3
131 50 104Z
FSDATAN1 140: A1,GPIO12 VSSSD3
132 49 SD13/EA16
VDD4 SCDOUT,SCDIO SD_DATA13,EXTA16
133 48
VSS4 HINBSY,GPIO8 NC5
134 47 SA14/EA17
FSCLKN1,STCCLK2 SCCLK SD_DATA6,EXTD6 :43 SD_DATA14,EXTA17
135 46 SA15/EA18
_SCS UHS,_CS_OUT,GPIO17 VDDSD4 SD_DATA15,EXTA18
136 45 SD_UDQM
SCDIN _RESET VSSSD4 SD_DQM1
137 44 D7
VSS5 SD_DATA5,EXTD5 SD_DATA7,EXTD7
138 43 D6
VDD5 SD_DQM0
139 42 C206
SD_DATA4,EXTD4
104Z
140 41
SD_DATA3,EXTD3
141 40 D5
142 39 SD_LDQM
143 38 D4
144 37 D3
TX-SR55
H
C291
+ 47/16
C292
104Z
A3 17 16 A4
A3 A4
A2 18 15 A5
A2 A5
A1 19 14 A6
A1 A6
A0 20 13 A7
A0 A7
D0 21 12 SD9/EA12
DQ0 A12
D1 22 11 SD12/EA15
DQ1 A15
D2 23 10 SD13/EA16
DQ2 A16
24 9 SA15/EA18
VSS A18/VPP
R291 220
D3 25 8
DQ3 VCC
D4 26 7
DQ4 _WE/A18
D5 27 6 SA14/EA17
DQ5 A17
D6 28 5 SD11/EA14
DQ6 A14
D7 29 4 SD10/EA13
DQ7 A13
BT_CS 30 3 A8
_CE A8
A10 31 2 A9
A10 A9
BT_OE 32 1 SD8/EA11
_OE A11
BT_WE
R292 220
C281
+
47/16
C282
1 50
VCC0 GND2
104Z D0 2 49 SA15/EA18
DQ0 DQ15
D1 3 48
DQ1 DQ14 SA14/EA17
4 47
GNDQ1 GNDQ4
D2 5 46 SD13/EA16
DQ2 DQ13
D3 6 45
SD12/EA15
DQ3 DQ12
C283 C287
7 44
VCCQ1 VCCQ4
104Z
D4 8 43 104Z SD11/EA14
DQ4 DQ11
D5 9 42
SD10/EA13
DQ5 DQ10
10 41
GNDQ2 GNDQ3
D6 11 40 SD9/EA12
DQ6 DQ9
D7 12 39 SD8/EA11
DQ7 DQ8
C284
13 38 C286
VCCQ2 VCCQ3
104Z
SD_LDQM 14 37 104Z
LDQM NC2
SD_WE 15 36
SD_UDQM
_WE UDQM
CAS 16 35 SD_CKO
_CAS CLK
RAS 17 34
SD_CKE
_RAS CKE
SD_CS 18 33
_CS NC1
BA/EA19 19 32 A9
A11 A9
A10 20 31 A8
A10 A8
A0 21 30 A7
A0 A7
A1 22 29 A6
A1 A6
A2 23 28 A5
A2 A5
A3 24 27 A4
A3 A4
25 26
VCC1 GND1
C285
104Z