Onkyo TX-NR545 Service Manual page 62

1
Front HDMI Terminal section
MODEL NO.TX-NR646/747,DTR-30.7/40.7
D
SCHEMATIC DIAGRAM (PART-13) FRONT HDMI SECTION
22
HP_DET
DDC_DATA
DDC_CLK
CERemote
C
CK_Shield
D0_Shield
D1_Shield
D2_Shield
23
B
A
1
2
BAHDM-1763/1770
CONNECT CHASSIS
NM
*P8502
CRIMP AS DX730
GND_CH
*R8501
*C8501
0 NM
102K 50V
20
HP_DET
19 +5V
+5V
18 *R8504 *R8503
GND
47k 47k
17
DSDA_FTI
16 DSCL_FTI
15 NC
NC
14
CEC
13 XCN_FTI
CK-
*T8501
12
11 1 2
XCP_FTI
CK+
4 3
10 X0N_FTI
D0-
*T8502
9
1 2
8 X0P_FTI
D0+
7 X1N_FTI 4 3
D1-
*T8503
6
1 2
5 X1P_FTI
D1+
4 X2N_FTI 4 3
D2-
*T8504
3
1 2
2 X2P_FTI
D2+
1 4 3
21
EXC24CH900U
NM
(TMDS lines 100ohms)
*C8502
NM
102K 50V
4LCu(t=1.2mm)
*R8502
0 Pattern width=0.127mm(5mil)
Pattern clearance=0.178mm(7mil)
2
3 4
*Q8500 *L8500
PCA9515BDGKR BLM15PX181SN1D
NC
1 VCC 8
NC
DSDA_FTI DDCH_SDA
2 SCL1 7
SCL0
DSCL_FTI DDCH_SCL
3 SDA1 6
SDA0
*R8507 *C8503 *C8504
4 EN 5
GND
47k 104K 16V 106K
3 4
5
Schematic Diagram
GND_CH
*R8506
4.7k
16V
21 23
X2P_FTI 1
D2+
2
D2_Shield
3
X2N_FTI
D2-
X1P_FTI 4
D1+
5
D1_Shield
6
X1N_FTI
D1-
X0P_FTI 7
D0+
8
D0_Shield
X0N_FTI 9
D0-
XCP_FTI 10
CK+
11
CK_Shield
XCN_FTI 12
CK-
CEC 13
CERemote
14
+3.3VHDF
NC
DDCH_SCL 15
DDC_CLK
DDCH_SDA 16
DDC_DATA
17
GND_HD
GND
+5V 18
+5V
19
HP_DET
HP_DET
20 22
5
6
D
C
B
A
6