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SCHEMATIC DIAGRAMS-13 (SD-13)
HDMI SECTION-3
PR-SC885
A
1
2
3
4
5
B
C
D
E
F
G
H
GND
GND
CEC
R0PWR5V
R1X1P
R1X0P
R1X2P
R1XCN
R1XCP
R1X0N
R1X1N
R1X2N
CEC
DSDA0
DSCL0
CEC
CEC
CEC
R0XCP
R0X1P
R0X1N
R0X2N
R0X2P
R0XCN
R4HPR
SDADDC4
SCLDDC4
PRODDC3
R3HPR
SDADDC3
SCLDDC3
+3_3VHD1
R1HPR
PRODDC1
+3_3VHD1
SDADDC1
SCLDDC1
R2HPR
PRODDC2
+3_3VHD1
SDADDC2
SCLDDC2
R0X0N
R0X0P
DSDA1
DSCL1
R1PWR5V
HDMSDA
HDMSCL
RST_RXSW1
CEC
HDMSDA
HDMSCL
RST_RXSW0
+5VHD
+3_3VHD1
GND
+5VHD
+3_3VHD1
+3_3VHD1
PRODDC4
TO SD-14:B2
TMDS/DDC DATA
TO SD-14:H3
VIDEO MPU
HDMI IN 2
HDMI IN 4
HDMI IN 3
HDMI INPUT MULTIPLEX
HDMI INPUT MULTIPLEX
R8023
47K
R8043
47K
R8004
4.7K
R8012
47K
R8013
1K
R8032
47K
R8033
1K
R8036
0
C8046
100/4
C8015
102K C8016 105Z
C8017
102K
C8018 105Z
C8010
105Z
C8011 102K
C8008
105Z
C8009
102K
C8019
102K
C8031
102J
C8036
100/4
C8041
102J
C8030 102J
C8001
102K
R8001
10K
C8006
105Z
C8007 102K
C8005
102K
C8004
105Z
C8003
22/4
C8012 105Z
C8027
105Z
C8028 102K
C8023
105Z
C8024
102K
C8025
105Z
C8029
105Z
C8021
105Z
C8014
105Z
C8013 102K
Q8109
DTC144EE
Q8129
DTC144EE
C8026
102K
C8040
102J
R8066
0
R8073
47K
R8093
47K
R8054
4.7K
R8062
47K
R8063
1K
R8082
47K
R8083
1K
R8086
0
C8096
100/4
C8065 102K C8066 105Z
C8067
102K C8068 105Z
C8060
105Z
C8061
102K
C8058
105Z
C8059
102K
C8069 102K
C8081
102J
C8086
100/4
C8090
102J
C8051
102K
R8051
10K
C8056
105Z
C8057
102K
C8055
102K
C8054
105Z
C8053
22/4
C8062 105Z
C8077
105Z
C8078 102K
C8073
105Z
C8074
102K
C8075
105Z
C8079
105Z
C8071
105Z
C8070
22/4
C8064 105Z
C8063 102K
Q8159
DTC144EE
Q8179
DTC144EE
C8076
102K
R8005
10K
R8055
10K
C8093 105Z
R8089
0
C8094 104Z
R8088
47K
BR24L02FV-W
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8091
0
R8090
0
C8095
105Z
BR24L02FV-W
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8070
0
R8071
0
R8068
47K
R8069
0
C8083 105Z
C8085
105Z
C8084 104Z
C8043 105Z
R8039
0
C8044 104Z
R8038
47K
BR24L02FV-W
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8041
0
R8040
0
C8045
105Z
Q8105
BR24L02FV-W
BUS SWITCH
EEPROM
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8020
0
R8021
0
R8018
47K
R8019
0
C8033
105Z
C8034 104Z
C8035
105Z
L8102
LBC2518
T4R7M
LBC2518
T4R7M
L8152
LBC2518
T4R7M
LBC2518
T4R7M
L8151
P8001
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
P8002
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
2
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
P8052
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
Q8101
AD8196
57
e_PAD
56
AUX_A0
55
AUX_A1
54
AUX_A2
53
AUX_A3
52
DVEE
51
AUX_COM0
50
AUX_COM1
49
AUX_COM2
48
AUX_COM3
47
AMUXVCC
46
AUX_B0
45
AUX_B1
44
AUX_B2
43
AUX_B3
42
AVCC
41
IP_B3
40
IN_B3
39
AVEE
38
IP_B2
37
IN_B2
36
VTTI
35
IP_B1
34
IN_B1
33
AVCC
32
IP_BO
31
IN_BO
30
VAVEE
29
I2C_SDA
28
28:I2C_SCL
27
RESET
26
OP3
25
ON3
24
VTTO
23
OP2
22
ON2
21
DVCC
20
OP1
19
ON1
18
VTTO
17
OP0
16
ON0
15
DVCC
14
12C_ADDR
13
AVEE
12
IP_A3
11
IN_A3
10
AVCC
9
IP_A2
8
IN_A2
7
VTTI
6
IP_A1
5
IN_A1
4
AVEE
3
IP_AO
2
IN_AO
1
AVCC
Q8151
AD8196
57
e_PAD
56
AUX_A0
55
AUX_A1
54
AUX_A2
53
AUX_A3
52
DVEE
51
AUX_COM0
50
AUX_COM1
49
AUX_COM2
48
AUX_COM3
47
AMUXVCC
46
AUX_B0
45
AUX_B1
44
AUX_B2
43
AUX_B3
42
AVCC
41
IP_B3
40
IN_B3
39
AVEE
38
IP_B2
37
IN_B2
36
VTTI
35
IP_B1
34
IN_B1
33
AVCC
32
IP_BO
31
IN_BO
30
VAVEE
29
I2C_SDA
28
28:I2C_SCL
27
RESET
26
OP3
25
ON3
24
VTTO
23
OP2
22
ON2
21
DVCC
20
OP1
19
ON1
18
VTTO
17
OP0
16
ON0
15
DVCC
14
12C_ADDR
13
AVEE
12
IP_A3
11
IN_A3
10
AVCC
9
IP_A2
8
IN_A2
7
VTTI
6
IP_A1
5
IN_A1
4
AVEE
3
IP_AO
2
IN_AO
1
AVCC
Q8128
DTA144EE
Q8158
DTA144EE
Q8178
DTA144EE
Q8152
2SK3019
Q8153
2SK3019
Q8103
2SK3019
Q8102
2SK3019
C8020
22/4
L8101
R8016
0
Q8108
DTA144EE
Q8124
Q8125
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
Q8154
Q8155
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
Q8174
Q8175
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
Q8104
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
R8014
5.6K
R8015
5.6K
R8034
5.6K
R8035
5.6K
R8064
5.6K
R8065
5.6K
R8084
5.6K
R8085
5.6K
U26
HDMI PC BOARD
NAHDM-9114(3/5)
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+5.0V
+5.0V
SDA_TX
SCL_TX
+5VHD
PCMLRCK
PCMBCK
PCMSBLR
PCMSLR
PCMCSW
PCMLR
HDMISPF
+3_3VHD1
TX_CR0
TX_CR1
TX_CR2
TX_CR3
TX_CR4
TX_CR5
TX_CR6
TX_CR7
TX_CR8
TX_CR9
TX_CR10
TX_CR11
TX_Y9
TX_Y10
TX_Y11
TX_Y8
TX_Y7
TX_Y6
TX_Y5
TX_Y4
TX_Y3
TX_Y2
TX_Y1
TX_Y0
TX_CB10
TX_CB9
TX_CB8
TX_CB7
TX_CB6
TX_CB5
TX_CB4
TX_CB3
TX_CB2
TX_CB1
TX_CB0
TX_PIXCLK
TX_HSYNC
TX_VSYNC
TX_CB11
HPD2
SDAODDC2
SCLODDC2
SCLODDC2
SDAODDC2
CEC
HPD2
INT_TX
RST_TX2
MCK_HDMI
GND
TX_BLNK
CV3P3
+3_3VHD1
+5VHD
HDMI_POW
+12V
TO SD-15:H5
DIGITAL_AUDIO_DATA
TO SD-15:E4
DIGITAL_VIDEO_DATA TX[Y,CB,CR0:11]
HDMI OUT
SUB
R8374
4.7K
C8464
105Z
C8463
102J
C8462
105Z
R8384
2.2K
R8385
2.2K
C8460
105Z
C8461
102J
R8475
22
C8474
105Z
C8475
102J
C8472
105Z
C8473
102J
R8473
22X4
R8472
22X4
R8471
22X4
R8470
22X4
R8455
22
C8476
105Z
C8477
102J
R8452
22
C8458
22/4
C8466
102J
C8469 102J
R8454
22
L8455
C8379
105Z
C8380
105Z
C8465
102J
L8453
BLM21PG221
Q8356
TC7SZ08FU
1
INA
2
INB
3
GND
4
OUTY
5
VCC
C8481
102J
C8482
105Z
C8485
105Z
C8454
102J
C8453
105Z
C8455
105Z
R8474
22X4
C8470 105Z
R8482
22
L8454
BLM21
PG221
R8453
22X4
C8479
102J
C8457
100D
C8478
105Z
R8375
47K
R8376
47K
R8469
22X4
R8468 22X4
R8467
22X4
R8466
22X4
C8483
102J
C8484
105Z
C8398
102J
C8491
105Z
C8492
105Z
C8493
220/4
R8492
1K
C8456
102J
R8456
22X4
R8493
22
+3_3VHD1
C8376 105Z
R8373
10K
C8377
105Z
C8378
22/16
C8449 102J
R8479 22
L8458
BLM21PG221
+3_3VHD1
R8494
0
D8351
1SS226
R8481
4.7K
C8480
105Z
R8461
4.7K
R8462
4.7K
D8352
R8457
22X4
R8459
4.7K
D8353
P8352
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
23
Shield
21
Q8359
UM6K1N
C8467
105Z
C8468
TA22/4
R8460
680F
C8459
10/10TA
L8450
1
2
3
4
L8459 1
2
3
4
L8456
MNR12E0APJ000
1
2
3
4
L8457 1
2
3
4
C8726
105Z
C8725
100/4
R8451
22X4
C8471
102J
L8451
BLM21PG221
L8452
BLM21PG221
Q8451
Sil9134
76
CVCC18
77
D18
78
D16
79
D17
80
D15
81
D14
82
D13
83
D12
84
D11
85
D10
86
D9
87
GND
88
IDCK
89
IOVCC33
90
D8
91
D7
92
D6
93
D5
94
D4
95
D3
96
D2
97
D1
98
D0
99
CVCC18
100
GND
101
Pad
1
DE
2
HSYNC
3
VSYNC
4
SPDIF
5
MCLK
6
SD3
7
SD2
8
SD1
9
SD0
10
WS
11
SCK
12
CVCC18
13
GND
14
IOVCC33
15
DCLK
16
DR0
17
DL0
18
DR1
19
DL1
20
DR2
21
DL2
22
DR3
23
DL3
24
INT
25
RESET
26
AGND
27
EXT_SWG
28
PVCC1
29
AGND
30
TXC-
31
TXC+
32
AVCC18
33
TX0-
34
TX0+
35
AGND
36
TX1-
37
TX1+
38
AVCC18
39
TX2-
40
TX2+
41
AGND
42
PVCC2
43
AGND
44
AVCC33
45
DDCPWR5V
46
DSCL
47
DSDA
48
CSCL
49
CSDA
50
CI2CA
51
HPD
52
TMODE
53
IOVCC33
54
GND
55
VPP18
56
D35
57
D34
58
D33
59
D32
60
D31
61
D30
62
D29
63
D28
64
CVCC18
65
GND
66
IOVCC33
67
D27
68
D26
69
D25
70
D24
71
D23
72
D22
73
D21
74
D20
75
D19
Q8645
BA18BC0FP
2
G
1
I
3
O
C8451
10/10TA
C8452
10/10TA
Q8454
XC6213B182M
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
Q8355
S-812C50BUC
5
NC
4
SW
3
GND
2
IN
1
OUT
R8391
47
HDMI TRANSMITTER
BUS SWITCH
EEPROM
BUS SWITCH
EEPROM
BUS SWITCH
EEPROM
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
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.
!
NOTE
SN74CB3T3306DCT
1
1OE
2
1A
3
1B
4
GND
5
2A
6
2B
7
2OE
8
VCC
WF41
WF41
WF41
WF42
WF41
WF41
WF41
WF42
<Note>
Refer to SCHEMATIC DIAGRAM-19 (SD-19)
for HDMI signal waveforms.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299