Onkyo TX-SR876 Service Manual page 69

A B
SCHEMATIC DIAGRAMS-19 (SD-19)
HDMI SECTION-5
NAHDM-9114(5/5)
HDMI PC BOARD
U42
1
25
24
3OE3 4OE4 L8810
LLC 26 23
4A4 4Y4
VP02 27 22 0
4A3 4Y3
28 21
GND GND
VP03 29 20 VIDAT3
4A2 4Y2
VP22 30 19 VIDAT22
4A1 4Y1
31 18
VCC VCC
VP23 32 17 VIDAT23
3A4 3Y4
VP24 33 16 VIDAT24
3A3 3Y3
34 15
GND GND
VP25 35 14 VIDAT25
3A2 3Y2
VP26 36 13 VIDAT26
3A1 3Y1
VP04 37 12 VIDAT4
2A4 2Y4
VP05 38 11 VIDAT5
2A3 2Y3
39 10
GND GND
VP06 40 9 VIDAT6
2A2 2Y2
41
VP07 8 VIDAT7
2A1 2Y1
42 7
VCC VCC
VP27 43 6 VIDAT27
1A4 1Y4
44
VP08 5 VIDAT8
1A3 1Y3
45 4
GND GND
VP09 46 3 VIDAT9
1A2 1Y2
47 2
1A1 1Y1
48 1
2OE 1OE
C8860 104Z
25 24
3OE3 4OE4
26 23
0 4A4 4Y4
R8858 27 22
4A3 4Y3
SFL/SYNCOUT
28 21
GND GND
2 29 20 VIDEN1
4A2 4Y2
VP28 30 19 VIDAT28
4A1 4Y1
31 18
VCC VCC
VP29 32 17 VIDAT29
3A4 3Y4
VP12 33 16 VIDAT12
3A3 3Y3
34 15
GND GND
VP13 35 14 VIDAT13
3A2 3Y2
VP14 36 13 VIDAT14
3A1 3Y1
VP15 37 12 VIDAT15
2A4 2Y4
HC/CS 38 11 VIHS1
2A3 2Y3
39 10
GND GND
VS 40 9 VIVS1
2A2 2Y2
FIELD/DE 41 8 VIFLD1
2A1 2Y1
42 7
VCC VCC
VP16 43 6 VIDAT16
1A4 1Y4
VP17 44 5 VIDAT17
1A3 1Y3
45 4
GND GND
VP18 46 3 VIDAT18
1A2 1Y2
VP19 47 2 VIDAT19
1A1 1Y1
48 1 OEDEC
2OE 1OE
C8861 104Z
Q8501
3
SII9135
+3.3V
29 28
2OE2 2OE1
RX_CR11 30 27 VIDAT29
2D10 2Q10
RX_CR10 31 26 VIDAT28
2D9 2Q9
32 25
GND GND
RX_CR9 33 24 VIDAT27
2D8 2Q8
RX_CR8 34 23 VIDAT26
2D7 2Q7
35 22
VCC VCC
RX_CR7 36 21 VIDAT25
2D6 2Q6
RX_CR6 37 20 VIDAT24
2D5 2Q5
RX_CR5 38 19 VIDAT23
2D4 2Q4
39 18
GND GND
RX_CR4 40 17 VIDAT22
2D3 2Q3
RX_CR3 41 16 VIDAT21
2D2 2Q2
RX_CR2 42 15 VIDAT20
2D1 2Q1
43 14
1D10 1Q10
44 13
1D9 1Q9
RX_Y11 45 12 VIDAT19
1D8 1Q8
46 11
GND GND
RX_Y10 47 10 VIDAT18
1D7 1Q7
RX_Y9 48 9 VIDAT17
1D6 1Q6
RX_Y8 49 8 VIDAT16
1D5 1Q5
50 7
VCC VCC
RX_Y7 51 6 VIDAT15
4
1D4 1Q4
RX_Y6 52 5 VIDAT14
1D3 1Q3
53 4
GND GND
RX_Y5 54 3 VIDAT13
1D2 1Q2
RX_Y4 55 2 VIDAT12
1D1 1Q1
56 1
OE2 1OE1
C8863 104Z
29 28
2OE2 2OE1
RX_Y3 30 27 VIDAT11
2D10 2Q10
RX_Y2 31 26 VIDAT10
2D9 2Q9
32 25
GND GND
33 24
2D8 2Q8
34 23
2D7 2Q7
35
22
VCC VCC
36 21 VIDAT9
RX_CB11 2D6 2Q6
37 20 VIDAT8
RX_CB10
2D5 2Q5
38
RX_CB9 19 VIDAT7
2D4 2Q4
39 18
GND GND
40 17 VIDAT6
RX_CB8
2D3 2Q3
41 16
RX_PIXCLK L8812
2D2 2Q2
RX_CB7 42 15 VIDAT5
2D1 2Q1
43 14 VIDAT4
RX_CB6
1D10 1Q10
44 13 VIDAT3
RX_CB5
1D9 1Q9
RX_CB4 45 12 VIDAT2
1D8 1Q8
46 11
GND GND
47 10 VIDAT1
RX_CB3
1D7 1Q7
RX_CB2 48 9 VIDAT0
5 1D6 1Q6
49 8
1D5 1Q5
50 7
VCC VCC
EVNODD 51 6 VIFLD1
1D4 1Q4
52 5 VIDEN1
RX_BLNK
1D3 1Q3
53 4
GND GND
54
RX_HSYNC 3 VIHS1
1D2 1Q2
55 2 VIVS1
RX_VSYNC 1D1 1Q1
56 1 OERX
OE2 1OE1
+3.3V
C8864 104Z
C
OEENDC 29 28
2OE2 2OE1
VOVS 30 27
2D10 2Q10
+3.3V
VOHS 31 26
2D9 2Q9
VICLK1 32 25
25 24 GND GND
3OE3 4OE4 VOACT 33 24
VIDAT2
VP19 26 23 S9 2D8 2Q8
4A4 4Y4 VOCLK 34 23
VP18 27 22 S8 2D7 2Q7
4A3 4Y3 35 22
28 21 VCC VCC
GND GND VODAT29 36 21
VP17 29 20 S7 2D6 2Q6
4A2 4Y2 VODAT28 37 20
VP16 30 19 S6 2D5 2Q5
C8856-C8859
4A1 4Y1 VODAT27 38 19
31 18 2D4 2Q4
C8871-C8899
VCC VCC 39 18
104Z FIELD/DE 32 17 VIBLANK GND GND
3A4 3Y4 VODAT26 40 17
VS 33 16 VIVS 2D3 2Q3
3A3 3Y3 VODAT25 41 16
C8871 34 15 2D2 2Q2
GND GND VODAT24 42 15
C8872
HC/CS 35 14 VIHS 2D1 2Q1
3A2 3Y2 VODAT23 43 14
C8873 VP15 36 13 S5 1D10 1Q10
3A1 3Y1 VODAT22 44 13
C8874 VP14 37 12 S4 1D9 1Q9
2A4 2Y4 VODAT21 45 12
C8875 38 11
VP13 S3 1D8 1Q8
2A3 2Y3 46 11
C8876 39 10 GND GND
GND GND VODAT20 47 10
C8877 VP12 40 9 S2 1D7 1Q7
2A2 2Y2 VODAT19 48 9
C8878 41 8 1D6 1Q6
2A1 2Y1 VODAT18 49 8
C8879 42 7 1D5 1Q5
VCC VCC
50 7
C8880 43 6 VCC VCC
SFL/SY
1A4 1Y4 VODAT17 51 6
C8881 5 1D4 1Q4
NCOUT 44 RTC
1A3 1Y3 VODAT16 52 5
C8882
45 4 1D3 1Q3
GND GND 53 4
C8883 46 3 GND GND
1A2 1Y2 L8811 VODAT15 54 3
C8884 LLC 47 2 CK_IN1 1D2 1Q2
1A1 1Y1 VODAT14 55 2
C8885
48 1 OEDECTH 1D1 1Q1
2OE 1OE 56 1
C8886 OE2 1OE1
C8887 C8862 104Z +3.3V
C8888
C8867 104Z
C8889
C8890
C8891
C8892
C8893
C8894
29 28
C8895 2OE2 2OE1
30 27
VODAT13
C8896 2D10 2Q10
VODAT12 31 26
C8897
2D9 2Q9
32 25
C8898 GND GND
33 24
VODAT11
C8899 2D8 2Q8
VODAT10 34 23
C8856 2D7
2Q7
35 22
C8857 VCC VCC
36 21
C8858 2D6 2Q6
37 20
C8859 2D5
2Q5
38 19
+3.3V 2D4 2Q4
39 18
GND GND
40 17
2D3 2Q3
41 16
2D2 2Q2
42 15
2D1 2Q1
VODAT9 43 14
1D10 1Q10
VODAT8 44 13
1D9 1Q9
VODAT7 45 12
1D8 1Q8
46 11
RXDB VSPTxD/VSPSDA GND GND
VODAT6 47 10
TXDB VSPRxD/VSPSCL 1D7 1Q7
VODAT5 48 9
1D6 1Q6
49
VODAT4 8
1D5 1Q5
50 7
RESET VCC VCC
VODAT3 51 6
VX50
1D4 1Q4
52
VODAT2 5
1D3 1Q3
53 4
TWI_SCL_0 GND
U8001 SCL_VDVE GND
VODAT1 54 3
TO SD-15:A1 TWI_SDA_0 SDA_VDVE 1D2 1Q2
55
VODAT0 2
1D1 1Q1
SYNC SIGNAL INPUT
GPIO1 BOOT OE444 56 1
OE2
1OE1
GPIO2 VSPRDY
GPIO3 VSPREQ
C8868 104Z
TO SD-15:C1
TO SD-15:C1
VODAT[47:0]
SYNC SIGAL OUTPUT
TO SD-15:A2
DIDAT[59:0]
29 28 29 28
2OE2 2OE1 2OE2 2OE1
TX_VSYNC
RX_VSYNC 30 27 VODAT0 30 27
2D10 2Q10 2D10 2Q10
RX_HSYNC 31 26 TX_HSYNC VODAT1 31 26
2D9 2Q9 2D9
2Q9
32 25 32 25
GND GND GND GND
TX_BLNK
RX_BLNK 33 24 VODAT2 33 24
2D8 2Q8 2D8 2Q8
RX_CB0 34 23 TX_CB0 VODAT3 34 23
2D7 2Q7 2D7
2Q7
35 22 35 22
VCC VCC VCC VCC
RX_CB1 36 21 TX_CB1 VODAT4 36 21
2D6 2Q6 2D6 2Q6
RX_CB2 37 20 TX_CB2 VODAT5 37 20
2D5 2Q5 2D5
2Q5
RX_CB3 38 19 TX_CB3 VODAT6 38 19
2D4 2Q4 2D4 2Q4
39 18 39 18
GND GND GND GND
RX_CB4 40 17 TX_CB4 VODAT7 40 17
2D3 2Q3 2D3 2Q3
RX_CB5 41 16 TX_CB5 VODAT8 41 16
2D2 2Q2 2D2 2Q2
RX_CB6 42 15 TX_CB6 VODAT9 42 15
2D1 2Q1 2D1 2Q1
RX_CB7 43 14 TX_CB7 43 14
1D10 1Q10 1D10 1Q10
RX_PIXCLK 44 13 0 TX_PIXCLK 44 13
1D9 1Q9 1D9 1Q9
RX_CB8 45 12 L8813 45 12
TX_CB8
1D8 1Q8 1D8 1Q8
46 11 46 11
GND GND GND GND
RX_CB9 47 10 TX_CB9 47 10
1D7 1Q7 1D7 1Q7
RX_CB10 48 9 TX_CB10 48 9
1D6 1Q6 1D6 1Q6
TX_CB11
RX_CB11 49 8 49 8
1D5 1Q5 1D5 1Q5
50 7 50 7
VCC VCC VCC VCC
RX_Y0 51 6 TX_Y0 VODAT10 51 6
1D4 1Q4 1D4 1Q4
TX_Y1
RX_Y1 52 5 VODAT11 52 5
1D3 1Q3 1D3 1Q3
53 4 53 4
GND GND GND
GND
RX_Y2 54 3 TX_Y2 VODAT12 54 3
1D2 1Q2 1D2 1Q2
TX_Y3
RX_Y3 55 2 VODAT13 55 2
1D1 1Q1 1D1 1Q1
56 1 56 1
OE2 1OE1 OE2
1OE1
+3.3V
C8865 104Z C8869 104Z
29 28 29 28
2OE2 2OE1 2OE2 2OE1
RX_Y4 30 27 TX_Y4 VODAT14 30 27
2D10 2Q10 2D10 2Q10
RX_Y5 31 26 TX_Y5 VODAT15 31 26
2D9 2Q9 2D9 2Q9
32 25 32 25
GND GND GND GND
RX_Y6 33 24 TX_Y6 VODAT16 33 24
2D8 2Q8 2D8 2Q8
RX_Y7 34 23 TX_Y7 VODAT17 34 23
2D7 2Q7 2D7 2Q7
35 22 35 22
VCC VCC VCC VCC
RX_Y8 36 21 TX_Y8 VODAT18 36 21
2D6 2Q6 2D6 2Q6
RX_Y9 37 20 TX_Y9 VODAT19 37 20
2D5 2Q5 2D5 2Q5
RX_Y10 38 19 TX_Y10 VODAT20 38 19
2D4 2Q4 2D4 2Q4
39 18 39 18
GND GND GND GND
RX_Y11 40 17 TX_Y11 VODAT21 40 17
2D3 2Q3 2D3 2Q3
RX_CR0 41 16 TX_CR0 VODAT22 41 16
VICLK1 2D2 2Q2 2D2 2Q2
RX_CR1 42 15 TX_CR1 VODAT23 42 15
2D1 2Q1 2D1 2Q1
RX_CR2 43 14 TX_CR2 VODAT24 43 14
1D10 1Q10 1D10 1Q10
RX_CR3 44 13 TX_CR3 VODAT25 44 13
1D9 1Q9 1D9 1Q9
RX_CR4 45 12 TX_CR4 VODAT26 45 12
1D8 1Q8 1D8 1Q8
46 11 46 11
GND GND GND GND
RX_CR5 47 10 TX_CR5 VODAT27 47 10
1D7 1Q7 1D7 1Q7
RX_CR6 48 9 TX_CR6 VODAT28 48 9
1D6 1Q6 1D6 1Q6
RX_CR7 49 8 TX_CR7 VODAT29 49 8
1D5 1Q5 1D5 1Q5
50 7 50 7
VCC VCC VCC VCC
RX_CR8 51 6 TX_CR8 VOCLK 51 6
1D4 1Q4 1D4 1Q4
RX_CR9 52 5 TX_CR9 VOACT 52 5
1D3 1Q3 1D3 1Q3
53 4 53 4
GND GND GND GND
RX_CR10 54 3 TX_CR10 VOHS 54 3
1D2 1Q2 1D2 1Q2
RX_CR11 55 2 TX_CR11 VOVS 55 2
1D1 1Q1 1D1 1Q1
56 1 OERXTH 56 1
OE2 1OE1 OE2 1OE1
C8866 104Z C8870 104Z
+3.3V
CV3P3
D E
VIVS
VIHS
VIBLANK
22
CK_IN1
L8814
PC9
PC8
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PY9
PY8
100
PY7
PY6
R8834
1
22X4
P32
PY5
2
PY4 P31
VDLOCK 3
P30/INTREQ
HC/CS 4
HS/CS
R8825 22
5
DGND
C8822 104Z 6
DVDDIO
R8823 7
VP15
P15
22X4 8
VP14
P14
VP13 9
P13
VP12 10
P12
C8823 11 Q8800
PY3 DGND
PY2 104Z 12
R8835
DVDD
22 ADV7401
VP29 13
P29
PY1
R8836 22 14
VP28
PY0 P28
VIDEO DECODER
R8828 22 15
SFL/SYNCOUT
SFL/SYNC_OUT
/SYNCOUT 16
SCLK2
17
SCL_VDVE DGND
C8824 104Z 18
DVDDIO
SDA_VDVE 19
SDA2
VP11 20
P11
VP10 21
P10
S9
VP09 22
S8 P9
VP08 23
S7
P8
R8837
24
P27
22X4
S6
25
P7
S5
S4
S3
S2
C8829
R8827
S1
104Z
S0
C8833 C8834
070D 070D
X8801
FCX-03-28.6363MHz
R8827 1M
+3.3V
+3.3V
105Z
TX_CR2 C8903
TX_CR3
TO SD-17:H5 & SD-18:G5
TX_CR4 Q8401
DIGITAL_VIDEO_DATA
TX_CR5
TX[Y,CB,CR0:11]
SII9134 220/4
TX_CR6
TX_CR7 105Z
TX_CR8 C8901
SPI-8010A
PY0
TX_CR9
R8921
R8951 Q8951 PY1
TX_CR10
PY2 22X4
TX_CR11 BLM21PG221SN1
47
RCP1317 PY3
L8959
8
NP470M PY4
N.C
L8951 6 PY5 R8922
CV1P2 7 SWOUT N.C
2 PY6 22X4
L8955 N.C
BLM21PG VREF 11 +12V
PY7
15 VIN
221SN1
4 C8904
DTC144EE
CE/SS
105Z
Q8956
PY8
VCTL1P2 PY9 R8923
TX_Y2
PC0 22X4
TX_Y3
PC1
TX_Y4
SPI-8010A
TX_Y5 R8952 Q8952
47
BLM21PG221SN1
RCP1317
DDRV2P5 L8960 8
NP470M
N.C
L8952 6
CV2P5 L8956 7 SWOUT N.C
2
BLM21PG N.C
VREF 11 +12V
221SN1 15 VIN
4
DTC144EE
CE/SS
Q8957
VCTL2P5
TX_Y6
TX_Y7
TX_Y8
SPI-8010A
TX_Y9 R8953 Q8953
BLM21PG221SN1
L8963
+3_3VHD1 47
TX_Y10
RCP1317
PV3P3 L8961
TX_Y11 8
NP470M N.C
TX_CB2 6
CV3P3 L8957 L8953 N.C
7 SWOUT
2
N.C
TX_CB3 BLM21PG VREF 11 +12V
15 VIN
221SN1
TX_CB4
4
DTC144EE
TX_CB5 CE/SS
Q8958
TX_CB6
TX_CB7 VCTL3P3
TX_CB8
TX_CB9
TX_CB10 SPI-8010A
TX_CB11 R8954 Q8954
47
BLM21PG221SN1
TX_PIXCLK RCP1317
+5VHD L8962
8
0 L8815 NP470M N.C
6
TX_BLNK L8958 L8954 N.C
CV5P0 7 SWOUT
2
TX_HSYNC N.C
BLM21PG VREF
11 +12V
TX_VSYNC 15 VIN
221SN1
OETX
4 DTC144EE
CE/SS
Q8959
VCTL5P0
+3.3V
220/25
F G
+3.3V
R8848
68
0
PY
100K
R8806
C8820 R8812
101J
C8802- C8806 SDA_VDVE UM6K1N
104K
R8882 0
R8805 HS601 Q8803
75 C8806 R8811 56
AIN12
SCL_VDVE
74 C8805 R8810 100K 0 R8804
AIN5
73 R8809 56 R8803 HS601 R8843
C8804
AIN11 0
R8808 100K R8802
72 C8803
AIN4 R8883
0
71 C8802 R8807 56 0
AIN10
70 R8801
TEST0 0
69
CAPC2
68
R8844
CAPC1
67
18
BIAS
R8815 2.7KF
66
AGND R8813 2.7KF
65 C8816 104Z
CML
+
C8817 10/16
64
C8815 104Z
REFOUT R8845
+
63 C8818 10/16
AVDD
C8814 104Z 0
62
CAPY2 C8812 104Z
61
CAPY1
60
AGND
C8801
59
TEST1 R8846
100/4
58
AIN3
18
C8831 104Z PV3P3
57 L8801
AIN9
56
LBC2518
AIN2
55 T2R2M
AIN8
54
R8847
AIN1
53
AIN7 0
52
SOG
51
FB
+1.8V
+1_8VDEC
R8849
LBC2518 C8843
T2R2M
DVDD 18
100/4
L8804
2
L8802 G
C8841
10/16
LBC2518T470M
LA7106M-TLM-E
GND R8850 2.2K
C8931
+3.3V
Q8937
1
2
+5.0V
+5VHD NJM2391DL1-25
3
4
LBC2518T2R2M
5
+2.5V L8902
6
Q8902
7
1 I 3
O 8
C8932
L8903
+
LBC2518
C8902 C8916 T2R2M
220/4 MAX4018ESD
+ R8914
MLF2012DR47J
680F
1 VDDIO 48
S_BLANK 5
R8913
2 47 R8912 MAX4018ESD
PY0 RESET1 680F
3 46 Q8860:A
2.7KF
PY1 VREF C8911 5 6
4 45 R8863
PY2/SCANEN COMP1 105Z L8851 L8854
5 44 Y
PY3/TESTMODE DAC_A 6 7
6 43 C8910 104K YS 75
PY4 DAC_B
7 42 C
PY5 DAC_C
8 Q8901 41 22
PY6 VAA +2.5V
9 40 C8909 R8860
MLF2012DR22J
PY7 ADV7320 AGND
10 39 105Z OUT_Y/G
VDD DAC_D
11 VIDEO ENCODER 38 OUT_CB/C
DGND1
DAC_E
12 37 C8908 OUT_CR/R
MLF2012DR47J
PY8 DAC_F 10
104K 680F
13 36 MAX4018ESD
PY9 COM2
R8909
14 35 Q8860:B
PC0 9
RSET2 10
15 34 680F
R8911 R8864 L8852 L8855
PC1 EXT_LF
16 33 2.7KF
RESETB R8910
PC2 9 8
75
680F R8908
C8906 22
R8861
392J
C8907
821J MLF2012
DR22J
MAX4018ESD 12
Q8860:C
MLF2012DR47J
12 13
L8853 L8856
R8865
13 14 75
22
R8862
MLF2012DR22J
C8933 105Z
47KX4
+9.0V
R8937 1 VSS 30 +9VSW
VDD
VCTL2P5 2 29 R8939 RESET
S1
VCTL3P3 3 28
47KX4 VDECRST
S2
VCTL1P2 4 27 VENCRST
S3
VCTL5P0 5 26 VD_OFF
S4
6 25
R8938 COM1
OE444 7 24 R8940 BOOT
S5
OEENDC 8 23 47KX4 OERX
S6
OETX 9 22 OEDEC
COM2
OERXTH 10 21 OEDECTH
S7
47KX4 11 20
S8
12 19
VSPRST COM3
13 NC 18
NC
Q8963
14 STB 17 VSWDO
DATA
DTC144EE 15 GND 16 R8941 VSWCLK
CLK
47KX4
VSWSTB
Q8931
NJU7313A
POWER SUPPLY&RESET CONTROL
TX-SR876/SA876
H
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
VDECRST
VCSDA
VCSCL
ADINCV 1
GNDVD 2
ADINSY 3
GNDVD 4
ADINSC 5
C8838 GNDVD 6
470J ADINPY 7
8
C8839 GNDVD
470J ADINPB 9
C8840 GNDVD 10
ADINPR 11
470J
GNDVD 12
DACPY 13
GNDVD 14
DACPB 15
330/6.3 CV5P0
+
GNDVD 16
DACPR 17
16 GNDVD 18
15 DACSY 19
14 GNDVD 20
13 DACSC 21
12 GNDVD 22
11 DACCV 23
24
10 VCSCL
9 VCSDA 25
VSWSTB 26
27
330/6.3 VSWDO
+
VSWCLK 28
+9VSW 29
30
GNDVD 31
GNDHD 1
VSPRDY 2
Q8861:A
VSPREQ 3
7 SPFOUT 4
TX_MUTE 5
VMSDO 6
470F
VMSCK 7
VM_RST 8
R8879
VSPRST 9
CEC_IO 10
VSPRXD/VSPSCL 11
VSPTXD/VSPSDA 12
VM_STB 13
MAX4018ESD
RXMUTE 14
Q8861:B
VM_SDI 15
8
470F
R8880
HDMISPF 1
GND 2
PCMLR 3
PCMBCK 4
PCMLRCK 5
MAX4018ESD
PCMCSW 6
Q8861:C
PCMSLR 7
14
PCMSBLR 8
GND 9
470F
MCK_HDMI 10
R8881