LC-30HV4E (serv.man20). Schematic diagram - PC I F unit (AVC system) - Sharp TV Service Manual (repair manual). Page 2

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119
LC-30HV4E
118
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
Ë
 PC I/F Unit-2/7 (AVC System)
WRITE 
NORMAL
VD+3.3DR
RAS
-WR/RD
CASH
CASL
A6
A12
A2
A18
A19
A10
A6
A9
A4
A7
A22
A1
A2
A7
A21
A17
A9
A5
A4
A8
A5
A15
A21
A12
A20
A11
A8
A9
A14
A13
A16
A13
A5
A2
A1
A1
A14
A3
A11
A24
A15
A16
A4
A10
A3
A6
A17
A8
A23
A3
A19
A18
A10
A20
A7
D11
D11
D12
D10
D5
D4
D1
D4
D13
D14
D7
D13
D14
D9
D8
D0
D5
D6
D6
D2
D3
D9
D11
D0
D12
D15
D8
D8
D1
D1
D3
D13
D5
D15
D14
D7
D7
D9
D15
D4
D0
D10
D3
D2
D10
D6
D2
D12
A25
VD+3.3DR
A[25..0]
1,5
RAS
1
-RESET
1
-WR/RD
1
-RD
1,5
CASL
1
FLASHWP
1
FSTATUS
1
FLWP
1
D[15..0]
1,5
CASH
1
-CS0
1
1.8432MH
1
RTS2
1
TXD2
1
CTS2
1
RXD2
1
-WEL
1,5
-WEH
1,5
FWMODEN
7
VD+3.3
VD+3.3
VD+3.3
VD+3.3
VD+3.3
VD+3.3
VD+3.3
D54
MA3120WA
1
3
2
D55
MA3120WA
1
3
2
IC53A
TC74LVX86FT
1
2
3
D56
MA3120WA
1
3
2
D57
MA3120WA
1
3
2
R27
27K
R62
EXBV8V100J
8
1
2
3
4
7
6
5
R58
EXBV8V103J
8
1
2
3
4
7
6
5
IC53B
TC74LVX86FT
4
5
6
IC27
LH28F320BFE-PTTL80
25
24
23
22
21
20
19
18
8
7
6
5
4
3
2
1
48
17
16
9
29
31
33
35
38
40
42
44
26
28
11
46
37
30
32
34
36
39
41
43
45
12
14
13
10
47
27
15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
CE#
OE#
WE#
GND
VCC
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
RST#
WP#
VPP
A20
NC
GND
RY/BY#
IC53D
TC74LVX86FT
12
13
11
+
C361
100uF/4V
IC53C
TC74LVX86FT
9
10
8
R57
EXBV8V103J
8
1
2
3
4
7
6
5
R51
EXBV8V103J
8
1
2
3
4
7
6
5
S1
SSSS812-B-2B
2
3
1
R50
EXBV8V103J
8
1
2
3
4
7
6
5
R44
EXBV8V103J
8
1
2
3
4
7
6
5
FL6
BLM31PG121SN1
1
2
3
IG
O
R43
EXBV8V103J
8
1
2
3
4
7
6
5
R656
4.7K
C53
0.01uF
C52
0.01uF
C51
0.01uF
TL128
PAD3.5
1
R36
EXBV8V103J
8
1
2
3
4
7
6
5
FB50
BLM21BB201SN1
1
2
R35
EXBV8V103J
8
1
2
3
4
7
6
5
FB51
BLM21BB201SN1
1
2
X3
DSO751SV(1.8432M)
2
3
4
Cntl
GND
OUT VDC
R40
68
R927
100
FB52
BLM21BB201SN1
1
2
C42
0.01uF
R928
100
FB53
BLM21BB201SN1
1
2
R65
EXBV8V103J
8
1
2
3
4
7
6
5
Q12
IMB3A
1
2
3
4
5
6
C1
B2
E2
C2
B1
E1
R930
100
IC405
uPD4721G
20
19
18
17
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C4+
GND
C4-
VSS
STBY
VDD
C1+
VCC
C1-
C5+
C5-
Din1
Din2
Rout1
Rout2
Rin2
Rin1
Dout2
Dout1
VCHA
R34
EXBV8V103J
8
1
2
3
4
7
6
5
R929
100
R33
EXBV8V103J
8
1
2
3
4
7
6
5
C43
0.01uF
+
C804
2.2uF/50V
C350
0.01uF
+
C805
2.2uF/50V
C803
0.1uF
+
C807
2.2uF/50V
+
C808
2.2uF/50V
CN5
JEY-9P-1A3F
5
9
4
8
3
7
2
6
1
10
11
+
C806
2.2uF/50V
IC28
MSM51V18165F
21
22
23
24
27
28
29
30
31
32
3
4
5
7
8
9
10
41
42
43
44
46
47
48
49
18
35
34
17
33
1
6
25
26
45
50
11
15
16
19
40
2
20
36
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
RAS
LCAS
UCAS
WE
OE
VCC
VCC
VCC
VSS
VSS
VSS
NC
NC
NC
NC
NC
DQ0
NC
NC
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