U0030 Bahdm - Onkyo HTR-990 Service Manual

A B
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-15
HDMI INPUT SWITCH SECTION
PART-15
1
U0030 BAHDM-0684
TX-NR(A)609
HT-RC360
C8652
102K DTR-30.3
2
DTR-20.3
19 HPD_IN5
HP DET
18 +5V_IN5
+5V
17
GND
16 DSDA_IN5
DDC DATA
15 DSCL_IN5
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN5
CK-
11 GNDHD
CK Shield
10 XCP_IN5
CK+
9 X0N_IN5
D0-
8
D0 Shield
7 X0P_IN5
D0+
6 X1N_IN5
D1-
5
D1 Shield
4 X1P_IN5
D1+
3 X2N_IN5
D2-
2
D2 Shield
1 X2P_IN5
D2+
3
C8651
0 CEC
C8642
102K
19 HPD_IN4
HP DET
18 +5V_IN4
+5V
17
GND
16 DSDA_IN4
DDC DATA
15 DSCL_IN4
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN4
CK-
11 GNDHD
CK Shield
10 XCP_IN4
CK+
9 X0N_IN4
D0-
8
D0 Shield
7 X0P_IN4
D0+
6 X1N_IN4
D1-
5
D1 Shield
4 X1P_IN4
D1+
3 X2N_IN4
4
D2-
2
D2 Shield
1 X2P_IN4
D2+
C8641
102K
C8632
102K
19 HPD_IN3
HP DET
18 +5V_IN3
+5V
17
GND
16 DSDA_IN3
DDC DATA
15 DSCL_IN3
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN3
CK-
11 GNDHD
CK Shield
10 XCP_IN3
CK+
9 X0N_IN3
D0-
8
D0 Shield
5
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+
C8631
102K
C8622
102K
19 HPD_IN2
HP DET
18 +5V_IN2
+5V
17
GND
16 DSDA_IN2
DDC DATA
15 DSCL_IN2
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN2
6
CK-
11 GNDHD
CK Shield
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+
C8621
102K
C8612
GNDSH 102K
19 HPD_IN1
HP DET
18 +5V_IN1
+5V
17
GND
7 16 DSDA_IN1
DDC DATA
15 DSCL_IN1
DDC CLK
14
NC
13 CEC
CERemote
12 XCN_IN1
CK-
11 GNDHD
CK Shield
10 XCP_IN1
CK+
9 X0N_IN1
D0-
8
D0 Shield
7 X0P_IN1
D0+
6 X1N_IN1
D1-
5
D1 Shield
4 X1P_IN1
D1+
3 X2N_IN1
D2-
2
D2 Shield
1 X2P_IN1
D2+
GNDSH
C8611
102K
8
TX-NR579/ TX-NA579/ HT-R690/ HT-R990
C D E
Model No. TX-NR(A)579,TX-NR(A)609,HT-RC360,DTR-20.3,DTR-30.3
SCHEMATIC DIAGRAM (PART-15)
+1.2VHD
C8134
106K/16
C8144
102K
C8145
106K/16
C8146
102K
1
XCN_IN4 C8147 2
XCP_IN4 104K 3
R1XCP
X0N_IN4 4
R1X0N 1. AVDD33
X0P_IN4 5
R1X0P 2. R1XCN
X1N_IN4 6
R1X1N
X1P_IN4 7
R1X1P
X2N_IN4 8
R1X2N
C8148
X2P_IN4 9
R1X2P
ABBY
102K 10
AVDD33
XCN_IN3 11
Q8132
R2XCN
XCP_IN3 C8149 12
R2XCP
SII9489CTU
X0N_IN3 104K 13
R2X0N
X0P_IN3 14
R2X0P
X1N_IN3 15
R2X1N
X1P_IN3 16
R2X1P
X2N_IN3 C8150 17
R2X2N
X2P_IN3 102K 18
R2X2P
19
AVDD12
C8153 104K
20
C8154 102K DVDD12
XCN_IN2 21
R3XCN
C8155
XCP_IN2 22
R3XCP
X0N_IN2 104K 23
R3X0N
X0P_IN2 24
R3X0P
X1N_IN2 25
R3X1N
X1P_IN2 26
R3X1P
X2N_IN2 C8157 27
R3X2N
X2P_IN2 102K 28
R3X2P
29
C8158 104K AVDD12
30
C8159 102K AVDD33
XCN_IN1 31
R4XCN
XCP_IN1 C8160 32
R4XCP
104K
C8161
106K/16
C8166
106K/16
+3.3VHD
GNDHD
F G
HDMI INPUT SWITCH SECTION
Q8191
XC6220B121PR
+1.2VHD
4
VIN NC
VSS
+1.2TVDD +1.2VHD 5
VOUT CE
L8133
BLM18PG181SN1D
96 RXSW_INT
INT
95 R8133
RSVDL
94 0 TX_HPD
TX1_HPD TP143
R8141
93 +5.0SBVCC
SBVCC5
92 10 RXSW_SCL
CSCL
91 RXSW_SDA
CSDA
R8142
90
R5PWR5V_VGA
89 0 VGA_SCL
DSCL5_VGA
88 VGA_SDA
DSDA5_VGA
87 +5V_IN5
R0PWR5V
86 HPD_IN5
CBUS_HPD0
85 DSCL_IN5
DSCL0
84 DSDA_IN5
DSDA0
83 +5V_IN4
R1PWR5V
82 HPD_IN4 5.0V
CBUS_HPD1 L8134
81 DSCL_IN4 +5.0SBVCC BLM18PG181SN1D
DSCL1
RN2401
80 DSDA_IN4
Q8134
DSDA1
79
C8156
GPIO1
78 #101J
GPIO2
77 RXSW_RST
GPIO3
76 CEC_A1
CEC_A1
R8136
75 TP139
CEC_A0
74 0
RSVDL
Max 30mA
73
MICOM_VCC33 TP145
72
GPIO4
71
GPIO5
70
GPIO6
69
GPIO7
68 +5V_IN3
R2PER5V
67 HPD_IN3
CBUS_HPD2
66 DSCL_IN3
DSCL2
65 DSDA_IN3
DSDA2
TX-NR579/ TX-NA579/ HT-R690/ HT-R990
H I
L8191
BLM18PG181SN1D
3
2
1
J K
TMDSCK-
TMDSCK+
TMDSD0-
TMDSD0+
TMDSD1-
TMDSD1+
HDMI PART
TMDSD2-
TMDSD2+
PART-??
TX_HPD
CEC_A0
VGA_SCL
VGA_SDA
RXSW_SCL
RXSW_SDA
RXSW_INT
VMPU PART
+3.3VHD
GNDHD
PART-??
+1.2VHD
+5VSBVCC
Main Micon PART
+3.3VST
CEC_IO
PART-??
DSCL0
DSDA0
TMDS1CK-
KyotoG2H PART
TMDS1CK+
TMDS1D0-
PART-??
TMDS1D0+
TMDS1D1-
TMDS1D1+
TMDS1D2-
TMDS1D2+