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SA-BX500EB / SA-BX500EE / SA-BX500EG
SCHEMATIC DIAGRAM - 4
A
HDMI CIRCUIT
: +B SIGNAL LINE
P1
R2231
0
G2
G1
LB2231
19
HOT PLUG
+5V POWER
18
LB2232
DDC/CEC GND
17
LB2233
DDC_SDA
16
DDC_SCL
15
LB2234
N.C.
14
LB2231 - LB2234
J0JCC0000119
CEC
13
TMDS CLK-
12
VA2231
VA2235
CLK GND
11
JK2203
HDMI 3 IN
TMDS CLK+
10
(CABLE/SAT)
TMDS D0-
9
VA2232
VA2236
D0 GND
8
TMDS D0+
7
TMDS D1-
6
VA2233
VA2237
D1 GND
5
TMDS D1+
4
TMDS D2-
3
VA2234
VA2238
D2 GND
2
TMDS D2+
1
VA2231 - VA2238
G3
G4
EZAEG2A50AX
P4
B1HBCFA00003
R2234
100
TO HDMI
SECTION (3/4)
Q2232
B1CFGD000002
LEVEL SHIFTER
QR2231
B1GBCFJJ0007
INVERTER
15
16
17
: MAIN SIGNAL LINE
: VIDEO SIGNAL LINE
TO HDMI
SECTION (2/4)
VA2239 - VA2242
R1XC-
EZJZ0V80008B
R1XC+
R1X0-
R1X0+
R1X1-
R1X1+
R1X2-
R1X2+
5
4
Q2235
1D
2D
Q2231
Q2233
B1CFGD000002
B1HBCFA00003
LEVEL SHIFTER
1G
2G
SWITCHING
SWITCHING
S
1
2
3
R2249
1K
1
6
1
6
3
2
1
S
Q2236
2G
1G
2
5
2
5
B1CFGD000002
LEVEL SHIFTER
2D
1D
3
4
3
4
4
5
3
2
1
3
2
1
R2245
S
S
47
2G
1G
2G
1G
5
SDA
6
SCL
2D
1D
2D
1D
R2246
WP
7
4
5
4
5
47
8
VCC
Q2234
IC2231
B1CFGD000002
EEPROM
LEVEL SHIFTER
(NOT SUPPLIED)
QR2232
B1GBCFJJ0007
INVERTER
18
19
20
: AUDIO SIGNAL LINE
LB2235
J0JHC0000021
DSDA0
DSCL0
R0PWR5V
C2233
10
C2234
10
C2235
1
36 35 34 33
32
C2236
0.1
37
38
R0XC-
39
R0XC-
R0XC+
40
R0XC+
[37] AVCC18
C2237
0.1
[38] AVCC33
41
AGND
42
AVCC33
R0X0-
43
R0X0-
R0X0+
44
R0X0+
C2238
0.1
45
AGND
46
AVCC33
R0X1-
47
R0X1-
R0X1+
48
R0X1+
C2239
0.1
49
AGND
50
AVCC33
R0X2-
51
R0X2-
R0X2+
52
R0X2+
C2240
0.1
53
AGND
AVCC18
54
C2241
1
55
RSVDNC
56
AVCC33
R1XC-
R2270
4.7
57
R1XC-
R1XC+
R2271
4.7
58
R1XC+
C2242
0.1
59
AGND
60
AVCC33
R1X0-
R2272
4.7
61
R1X0-
R1X0+
R2273
4.7
62
R1X0+
63
AGND
C2243
0.1
64
AVCC33
R1X1-
R2274
4.7
65
R1X1-
R1X1+
R2275
4.7
66
R1X1+
67
AGND
C2244
0.1
68
AVCC33
[71] AGND
R1X2-
R2276
4.7
69
R1X2-
[72] AVCC18
R1X2+
R2277
4.7
70
R1X2+
71
C2245
0.1
72
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104105 106 1071 T348
GND
4
A2
3
A1
2
A0
1
21
22
23
88
IC2233
C0CBCAG00015
+1.8V REGULATOR
R2257
2
4
6
8
2
4
6
8
2
4
6
8
1.8K
1
3
5
7
1
3
5
7
1
3
5
7
R2258
1.8K
RD_1.8V
RD_3.3V
31
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8
7 6
5
4
3 2 1
145
Q11
144
CVCC18
143
CGND
142
[145] GND
Q12
141
Q13
140
Q14
139
Q15
138
IOVCC33
137
IOGND
136
Q16
135
Q17
134
Q18
133
Q19
132
CVCC18
131
130
CGND
Q20
129
Q21
128
IC2232
Q22
127
C1AB00002989
Q23
126
HDMI RECEIVER
IOVCC33
125
IOGND
124
Q24
123
Q25
122
121
Q26
Q27
120
CVCC18
119
CGND
118
Q28
117
Q29
116
Q30
115
Q31
114
IOVCC33
113
[109] Q34
IOGND
112
Q32
111
110
Q33
109
R2267
4.7K
C2258 1
C2259 1
2
4
6
8
R2266
1K
LB2237
1
3
5
7
J0JHC0000021
LB2238
J0JHC0000021
24
25
26
I
5
4
3
2
1
HDMI POWER
J
BK2.5V
C2268
0.1
CVCC18
C2269
4V330
K
GND
D8
1
2
D9
3
4
D10
5
6
D11
7
8
RX2235
D1H83304A024
RX2236
C2273
0.1
D1H83304A024
D12
1
2
L
D13
3
4
D14
5
6
D15
7
8
RX2237
C2270
0.1
D1H83304A024
D16
1
2
D17
3
4
D18
5
6
D19
7
8
C2274
0.1
RX2238
D1H83304A024
D20
1
2
D21
M
3
4
D22
5
6
D23
7
8
C2275
0.1
RX2239
D1H83304A024
D24
1
2
D25
3
4
D26
5
6
D27
7
8
RX2240
C2271
0.1
D1H83304A024
D28
1
2
D29
3
4
N
D30
5
6
D31
7
8
RX2241
C2272
1
D1H83304A024
D32
1
2
D33
3
4
D34
5
6
D35
7
8
O
RX_INT
RX_SCDT
RX_RST
1/4
2/4
SA-BX500EB/EE/EG
3/4
4/4
HDMI CIRCUIT
P
27
28
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