SCH03_EXPANDER
All Ref.No. has been described in the parts list are four digits.
But there are less than four digits of printed Ref.No. on the PCB, and they have become four digits after the header by adding "0" in the parts list.
AUDIO SIGNAL
TMDS SIGNAL
ANALOG VIDEO DIGITAL VIDEO
GND LINE
POWER- LINE
POWER+ LINE
CD
74H
C4094PWR
U6503
0.1
C65
10
CD
74H
C4094PWR
U6502
0.1
C65
06
0.1
C65
04
CD
74H
C4094PWR
U6501
0.1
C65
00
CD
74H
C4094PWR
U6500
4.7K
R6504
0.1
C65
13
R6539
3.9K
R6535
3.3K
R6532
10K
R6506
3.3K
R6505
10K
R6509
3.9K
M3.3V
DGND
CD
74H
C4094PWR
U6504
SWM3.3V
R6513
10K
OPEN
C6501
4.7K
R6510
SWM5V
R6507
OPEN
OPEN
-
Q6502
C6502
OPEN
Q6501
OPEN
-
C6
503
OPEN
R6508
OPEN
OPEN
N6501
DIGITAL_UNIT
8U-310232(3/19)
Q6503
KTC3875S
4.7u
C65
05
22K
R6516
PRF18BF471QB5RB
Z6501
R6540
8.2K
Q6504
KTC3875S
R6512
4.7K
KRC102S
(10K-10K)
Q6505
R65
17
OPEN
HPD
4
HPD
1
HPD
2
HPD
3
HPD
5
HPD
6
HINSEL
B
HINSEL
C
HPD
7
HINSEL
A
HPD
8
VPLD
_TRANS
2
SD
/HD
VPLD
_TRANS
0
VPLD
_TRANS
1
TT
L_
SE
LA
TT
L_
SE
LB
DIRECT_LED
MD
AX_LED
AEXP_D
A_6OUT
TRIGGER1
DA
C_CCS
2
ILLUMI_LED
TRIGGER2
DA
C_RS
T2
TU_RS
T
DCD
ET
ASODET
MIC_D
ET
H/P_D
ET
AEXP_STB_1-5
AEXP_OE_1-5
AEXP_DA_1IN
AEXP_CLK_1-5
MIC_HP_DET
DC_ASO_PROT
USB_SEL
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
1
STB
2
DAT
A
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
VSS
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
1
2
3
HPD
7
HINSEL
A
HINSEL
B
HPD
6
HPD
5
VPLD
_TRANS
2
HINSEL
C
VPLD
_TRANS
0
ILLUMI_LED
MD
AX_LED
HPD
3
HPD
4
HPD
8
AEXP_DA_1IN
DIRECT_LED
VPLD
_TRANS
1
HPD
2
HPD
1
TRIGGER1 TRIGGER2
MIC_HP_D
ET
HPD
2
HPD
1
HINSEL
B
HINSEL
C
VPLD
_TRANS
2
HINSEL
A
VPLD
_TRANS
0
HPD
4
HPD
3
VPLD
_TRANS
1
HPD
6
HPD
7
HPD
5
HPD
8
AEXP_OE_1-5
AEXP_STB_1-5
AEXP_CLK_1-5
AEXP_DA_1IN
DC_ASO_PROT
MIC_HP_DET
H/P_D
ET
TT
L_
SE
LA
TT
L_
SE
LB
TT
L_
SE
LB
TT
L_
SE
LA
SD
/HD
SD
/HD
TU_RS
T
MIC_D
ET
ILLUMI_LED
DIRECT_LED
MD
AX_LED
TRIGGER2
TRIGGER1
DCD
ET
ASODET
DA
C_RS
T2
DA
C_CCS
2
DA
C_CCS
2
DA
C_RS
T2
ASODET
LEG
O_F
AN_POWER
DC_A
SO_PRO
T
TU_RS
T
LEG
O_F
AN_POWER
LEGOD
ET
DCD
ET
LEGOD
ET
H/P_D
ET
MIC_D
ET
AEXP_D
A_6OUT
AEXP_OE_1-5
AEXP_STB_1-5
AEXP_CLK_1-5
EXPANDER
TO DIGITAL CONNECT
TO CPU
TO
VIDEO
PLD
TO
HDMI
Tx
TO
HDMI
SW1
TO
HDMI
SW2
TO 8U-310232(12/19)
TO 8U-310232(13/19)
TO 8U-310232(17/19)
TO 8U-310232(16/19)
TO 8U-310232(1/19)
TO
8U-310232(2/19)
+5V
DGND
7A
7B
C6
C7
C8
C9
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
11