Onkyo TX-SA806 Service Manual page 38

A B
SCHEMATIC DIAGRAMS-11 (SD-11)
HDMI SECTION-2
<Note>
SD-x:XY is short for Shcematic Diagram-x and
1
each socket's location, X=A to H, Y=1 to 5.
<Note>
Refer to SCHEMATIC DIAGRAM-16 (SD-16)
for HDMI signal waveforms.
TX-SR706,TX-SA706: NAHDM-9562
TX-SR806,TX-SA806: NAHDM-9702
NAHDM-9562/NAHDM-9702(4/6)
2
+3.3VHD1
HDMI INPUT PART-1
R8642 5.6K
Q8607 R8643 5.6K
2SK3019
DTC144EE R8639 47K
Q8609
+3.3V
Q8604
DTA144EE
R8638 47K
R8637 1K
Q8608
5
4
2A GND
6 3
2B 1B
7 2
TX-SR706 TX-SR806 2OE 1A
8 1
0ohm C8302
VCC 1OE
TX-SA706 TX-SA806 +3.3V
3 SN74CB3T3306DCTR
19
HP DET
DTR-6.9 DTR-7.9
18 R8313
+5V
TX-SA706X 17 10K
GND
R8366 0
16
DDC DATA
15 R8367 0
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN3
CK-
11
CK Shield
10 XCP_IN3
CK+
HDMI IN1 HDMI IN3 9 X0N_IN3
D0-
8
D0 Shield
7 X0P_IN3
D0+
6 X1N_IN3
D1-
5
D1 Shield
4 X1P_IN3
D1+
3 X2N_IN3
D2-
2
D2 Shield
1 X2P_IN3
D2+
C8301
0ohm
0ohm C8322
19 HPD_IN2
HP DET
R8323
18
+5V
17 10K
R8330
GND
16 4.7K DSDA_IN2
DDC DATA
4 15 DSCL_IN2
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN2
CK-
11
CK Shield
(Not Used) HDMI IN2 10 XCP_IN2
CK+
9 X0N_IN2
D0-
8
D0 Shield
7 X0P_IN2
D0+
6 X1N_IN2
D1-
5
D1 Shield
4 X1P_IN2
D1+
3 X2N_IN2
D2-
2
D2 Shield
1 X2P_IN2
D2+
C8321
0ohm
0ohm
C8342
19 HPD_IN1
HP DET
18 R8343
+5V
10K
17
GND
16 DSDA_IN1 DSDA_IN1
DDC DATA
15 DSCL_IN1 DSDA_IN1
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN1
CK-
11
5 CK Shield
(Not Used) HDMI IN1
10 XCP_IN1
CK+
9 X0N_IN1
D0-
8
D0 Shield WF41
7 X0P_IN1
D0+
6 X1N_IN1
D1-
5
D1 Shield WF41
4 X1P_IN1
D1+
3 X2N_IN1
D2-
2
WF41
D2 Shield
1 X2P_IN1
D2+
C8341
0ohm
C
NOTE
THE COMPONENTS IDENTIFIED BY MARK ! ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
BOLD VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
U20 HDMI PC BOARD
SD-10
1 8
1OE VCC
2 7 HDMI INPUT PART-2
1A 2OE
3 6
1B 2B
4 5
GND 2A
SN74CB3T3306DCT
HPD_IN3
DSDA_IN3
DSCL_IN3
+1.8V
+1.8V +1.8V
+3.3V +3.3V
41 20
R1X0- AGND
C8375 42 19
R1X0+ R0XC+
104Z
43 18
AVCC33 R0XC-
44 17 C8370
R1X1- AVCC18
45 16 104Z
R1X1+ HPD0
46 15 C8363
AGND LSCL/EPSEL[1]
47 14
R1X2- LSDA/EPSEL[0]
C8376 48 13
R1X2+ RESET#
Q8362
104Z 49 12
R8362
AVCC18 EXTSWING
DSDA_IN2 50 11 R8361
SII9185
DSDA1 TXC-
470
DSCL_IN2 51 10
DSCL1 TXC+
52 HDMI Receiver 9
RPWR1 AGND
CEC R8358 0 53 8
CEC_D TX0-
R8359 0 54 7
CEC_A TX0+
C8377 55 6 C8369
AVCC33 AVCC18
104Z
56 5 104Z
HPD2 TX1-
C8378 57 4
AVCC18 TX1+
104Z 58 3
R2XC- AGND
59 2
R2XC+ TX2-
60 1
AGND TX2+
+3.3V
+1.8V +1.8V
R8360
R8360:TX-SR806/DTR-7.9
2.2K
R8368:TX-SR706/DTR-6.9
R8368
47K
WF42
TX-SR806, DTR-7.9 only
D E
+3.3VHD1
+3.3V +4.0V
3
C8822
105Z
C8825
225K
Q8803
DTC144EE
+3.3VDSP
Q8902
BA33BC0FP
+3.3V
3 1
O I
TRINO PART
Trino INPUT
SD-12
AVS RXVSYNC
AHS RXHSYNC
TX-SR706, DTR-6.9 only
AHREF_DE RXBLNK
RXCB0
RXCB1
BDATA2 RXCB2
BDATA3 RXCB3
BLM21PG
ADATA8 RXCB4
221SN1 +1.8VSW
ADATA9 RXCB5
L8361
+1.8DVCC1 ADATA10 RXCB6
ADATA11 RXCB7
IPCLK0 RXPIXCLK
L8362 ADATA12 RXCB8
+1.8AVCC1 +1.8V
BLM21PG
ADATA13 RXCB9
+3.3VHD1
221SN1
ADATA14 RXCB10
ADATA15 RXCB11
+3.3AVCC1 +3.3V
L8363
BLM21PG
RXY1
221SN1
R8364 +3.3V
2.2K
BDATA0 RXY2
R8363 2.2K
BDATA1 RXY3
SCL_RX
NC
SDA_RX
RST_RX
100
ADATA0 RXY4
ADATA1 RXY5
ADATA2 RXY6
ADATA3 RXY7
ADATA4 RXY8
ADATA5 RXY9
ADATA6 RXY10
ADATA7 RXY11
RXCR0
RXCR1
BDATA4 RXCR2
BDATA5 RXCR3
ADATA16 RXCR4
ADATA17 RXCR5
ADATA18 RXCR6
ADATA19 RXCR7
ADATA20 RXCR8
ADATA21 RXCR9
HDMI INPUT PART-1
ADATA22 RXCR10
SD-10
ADATA23 RXCR11
F G
+1.8VEN
Q8802 +3.3VHD1 +3.3V
XC6213B182MR
1 5 +1.8V +1.8VEN
VIN VOUT
2
VSS
4 105Z
CE NC
C8801
C8824
100/4
C8802
+
220/4
+
C8803
220/4
1 48
VDDIO
105Z 2 47
C8810 TEST0 RSET1
R8804 3 46
TEST1 VREF
22X4 48:SFL/MISO
DEGRN0 4 45
Y0 COMP1
DEGRN1 5 44
Y1 DAC_1
DEGRN2 6 43
Y2 Q8801 DAC_2
DEGRN3 7 42
Y3 DAC_3
DEGRN4 8 41
Y4 ADV7342BSTZ VAA
DEGRN5 9 40
Y5 AGND
39
10 Multi Format
105Z VDD DAC_4
+4.0V
11 38
C8811
DGND Video Encoder DAC_5
GNDDSP DEGRN6 12 37
Y6 DAC_6
DEGRN7 13 36
GNDDSP1
Y7 REST2
14 35
GNDHD R8805
TEST2 COMP2
GNDVD 22X4 15 34
TEST3 PVDD
16 33
DGND
C0 EXT_LF1
GNDDG
C8814 105Z
10K C8813
R8814
R8807 R8806
NC
180
R8815
Trino OUTPUT
3.3K +
C8805
220/4
+1.8V +1.8VEN
HDMI INPUT
BUS SWITCH PART
PART-1 HDMI TX[Y,CB,CR0:11]
SD-10
OERXTH OETX
28 29
29 28
2OE2 2OE1 2OE2 2OE1
30 27 TXVSYNC GPIO_42 30 27 TXCB2
2D10 2Q10 2D10 2Q10
31 26 TXHSYNC GPIO_43 31 26 TXCB3
2D9 2Q9 2D9 2Q9
32 25 32 25
GND GND GND GND
33 24 TXBLNK DEBLU0 33 24 TXCB4
2D8 2Q8 2D8 2Q8
34 23 TXCB0 34 23
2D7 2Q7 2D7 2Q7
35 22 35 22
VCC VCC VCC VCC
36 21 TXCB1 36 21
2D6 2Q6 2D6 2Q6
37 20 TXCB2 DEBLU1 37 20 TXCB5
2D5 2Q5 2D5 2Q5
38 19 TXCB3 DEBLU2 38 19 TXCB6
2D4 2Q4 2D4 2Q4
39 18 39 18
GND GND GND GND
17 40
40 TXCB4 DEBLU3 17 TXCB7
2D3 2Q3 2D3 2Q3
41 16 TXCB5 DCLK 41 16 TXPIXCLK
+3.3V_ANG
2D2 2Q2 2D2 2Q2
42 15 TXCB6 DEBLU4 42 15 TXCB8
2D1 2Q1 2D1 2Q1
43 14 TXCB7 DEBLU5 43 14 TXCB9
1D10 1Q10 1D10 1Q10
44 13 TXPIXCLK DEBLU6 44 13 TXCB10
1D9 1Q9 1D9 1Q9
45 12 TXCB8 DEBLU7 45 12 TXCB11
1D8 1Q8 1D8 1Q8
46 11 L8813 46 11 L8814
GND GND 0ohm GND GND 0ohm
47 10 TXCB9 47 10
1D7 1Q7 1D7 1Q7 +3.3VHD1
9 48
48 TXCB10 9
1D6 1Q6 1D6 1Q6
49 8 TXCB11 GPIO_44 49 8 TXY2
1D5 1Q5 1D5 1Q5
50 7 50 7
Q8960
VCC VCC VCC VCC
51 6 TXY0 GPIO_45 51 6 TXY3
1D4 1Q4 1D4 1Q4
52 5 TXY1 DEGRN0 52 5 TXY4
1D3 1Q3 1D3 1Q3
53 4 53 4
GND GND GND GND
54 3 TXY2 DEGRN1 54 3 TXY5
1D2 1Q2 1D2 1Q2
55 2 TXY3 DEGRN2 55 2 TXY6
1D1 1Q1 1D1 1Q1
1 56
56 1 +1.8V_CORE
OE2 1OE1 OE2 1OE1
+3.3V +3.3V
C8855 C8863
C8856 C8864
C8857 C8865
C8858 C8866 104Zx4
104Zx4
OERXTH OETX
29 28 29 28
2OE2 2OE1 2OE2 2OE1 Q8961
30 27 TXY4 DEGRN3 30 27 TXY7
2D10 2Q10 2D10 2Q10
31 26 TXY5 DEGRN4 31 26 TXY8
2D9 2Q9 2D9 2Q9
32 25 32 25
GND GND GND GND
33 24 TXY6 DEGRN5 33 24 TXY9
2D8 2Q8 2D8 2Q8
34 23 TXY7 DEGRN6 34 23 TXY10
2D7 2Q7 2D7 2Q7 +2.4VDSP
35 22 35 22
VCC VCC VCC VCC
36 21 TXY8 DEGRN7 36 21 TXY11
2D6 2Q6 2D6 2Q6
37 20 TXY9 37 20
2D5 2Q5 2D5 2Q5
38 19 TXY10 38 19
2D4 2Q4 2D4 2Q4
39 18 39 18 +2.5V_DDR
GND GND GND GND
40 17 TXY11 GPIO_46 40 17 TXCR2
2D3 2Q3 2D3 2Q3
41 16 TXCR0 GPIO_47 41 16 TXCR3
2D2 2Q2 2D2 2Q2
42 15 TXCR1 DERED0 42 15 TXCR4
2D1 2Q1 2D1 2Q1
43 14 TXCR2 DERED1 43 14 TXCR5
1D10 1Q10 1D10 1Q10
44 13 TXCR3 DERED2 44 13 TXCR6 Q8962
1D9 1Q9 1D9 1Q9
45 12 TXCR4 DERED3 45 12 TXCR7
1D8 1Q8 1D8 1Q8
46 11 46 11
GND GND GND GND
47 10 TXCR5 DERED4 47 10 TXCR8
1D7 1Q7 1D7 1Q7
48 9 TXCR6 DERED5 48 9 TXCR9
1D6 1Q6 1D6 1Q6
49 8 TXCR7 DERED6 49 8 TXCR10
1D5 1Q5 1D5 1Q5 +4V +4VHD
50 7 50 7
VCC VCC VCC VCC
51 6 TXCR8 DERED7 51 6 TXCR11
1D4 1Q4 1D4 1Q4
52 5 TXCR9 DEN 52 5 TXBLNK
1D3 1Q3 1D3 1Q3
+4.0V
53 4 53 4
GND GND GND GND
54 3 TXCR10 DHS 54 3 TXHSYNC
1D2 1Q2 1D2 1Q2
55 2 TXCR11 DVS 55 2 TXVSYNC
1D1 1Q1 1D1 1Q1
56 1 56 1
10K
OE2 1OE1 OE2 1OE1 OETX
OERXTH R8937
+3.3V
OERXTH
C8859
C8870
C8860 C8869
Q8963
C8861 C8868
DTC144EE
C8862
104Zx4 C8867
104Zx4
+3.3V_I/O
+3.3V
TX-SR806/SA806
H
ANALOG INPUT
TRINO PART
+3.3VHD1
ADINCV 23
SD-12 GNDVD 22
ADINSY 21
GNDVD 20
ADINSC 19
C8838 GNDVD 18
470J ADINPY 17
L8851 C8839 GNDVD 16
2R2 470J
ADINPB 15
C8840 GNDVD 14
470J ADINPR 13
GNDVD 12
DACPY 11
L8852
2R2
GNDVD 10
220/4 DACPB 9
C8804
R8920 GNDVD 8
3.3K +
R8820 R8821 DACPR 7
GNDVD 6
L8853
820
2R2
DACSY 5
105Z C8820
GNDVD 4
OUT_Y/G
C8819
DACSC 3
222K OUT_CB/C
GNDVD 2
OUT_CR/R
DACCV 1
L8854
100
C8818
105Z
CV
YS
YC
L8855
100
C8817
222K
L8856
100
153K
C8812
154K
ENCODE PART
TX-SR806, DTR-7.9 only
HDMI OUTPUT PART
SD-10
DGND
GNDVD 5
+12V 4
GNDVD 3
POWER SUPPLY PART +12V 2
GNDVD 1
2
1
R8951
Not Used
L8959
8
N.C
6
L8955 L8951
7 N.C
Q8951 2
SWOUT
N.C
SPI-8010A 11 +12V
15 VIN
VREF
4
CE/SS
Q8956
L8965 BLM21PG R8952 47
221SN1
L8964
RCP1317
L8960
8
NP470M
N.C
6
L8956 L8952
+1.8V 7 N.C
Q8952
SWOUT 2
N.C
SPI-8010A +12V
11
15 VIN
VREF
4
CE/SS
Q8957
NC
GNDVD
BLM21PG
221SN1 R8953
+2.4V L8963
47
RCP1317
+2.4V L8961 8
NP470M
N.C
6
L8957 L8953
7 N.C
Q8953
SWOUT 2
N.C
SPI-8010A 11 +12V
15 VIN
VREF
4 DTC144EE
CE/SS
Q8958
+3.3V_ANG
R8975
47K
D8958
NC
1SS352
GNDVD
R8954 47
BLM21PG Q8964
DTC144EE
221SN1
RCP1317
+4.0V L8962
8
NP470M
N.C
L8954 6
L8958
7 N.C
SWOUT Q8954 2
N.C
SPI-8010A
11 +12V
15 VIN
VREF
4
NC
CE/SS
Q8959
C8988
VCTL5P0
NC
GNDVD