Sharp LC-90LE657U Service Manual page 93

MAIN Unit-6
J
T O MAIN10(P OW ER S UP P LY )
010
D +3.3V
I
R 3101
4.7K
T O MAIN 4(CP U)
004
F LAS H _C E0#
H
004
N A N D _ CE 1#
004
N A N D _ OE #
004
N A N D _ D0
004
N A N D _ D1
004
N A N D _ D2
004
N A N D _ D3
G
004
N A N D _ D4
004
N A N D _ D5
004
N A N D _ D6
004
N A N D _ D7
004
N A N D _ A L E
004
N A N D _ CL E
004
N A N D _ RB #
F
004
N A N D _ WE #
*R 3120
1K
004
C PU _O PC TR L3
004
C PU _L ED _ PW M1
004
S MP OW HO LD
004
N _C PU _R ST
E
T O MAIN 3(HDMI)
D
003
N _C PU _R ST
T O MAIN07(U CO M)
007
N _S R E S E T
C
B
A
1 2 3 4
1
2
3
R 3160 R 3105
4.7K 4.7K
4
R 3108 5
4.7K
6
R 3104
47
N A N D _ RB # 3.3
7
0
N A N D _ OE #
8
3.3
N A N D _ CE 1#
9
R 3132
0
10
11
3.3
12
0
R 3124
13
4.7K
*R 3109
4.7K *C 3106
14
0.1u
15
*R 3112
10
0.1
N A N D _ CL E
16
*R 3107
10
0.1
N A N D _ A L E
17
*R 3111
10
N A N D _ WE # 3.2
18
3.3
19
20
*IC 3103
F LASH
21
IXD584WJ QZ
2Gbit
22
23
24
3.3 0
G ND
3.0
3.3
3.3
V cc
C 3102
IC3102
0.1u
10V
AHC 1G 08W
5 6 7 8 9
MAIN6( FLASH)
N C 48
N C
N C 47
N C
N C N C 46
N C N C 45
0.1
N A N D _ D7
I/O 7 44 7 8
N C
2.2 N A N D _ D6
N C I/O 6 43 5 6
0.1 N A N D _ D5
I/O 5
42 3 4
R / B #
2.2 N A N D _ D4
2
R E# I/O 4 41 1
*R 3122
C E# 40
N C
47
N C 39
N C
N C P RE 38 N C
3.3
V CC
V CC 37
0
V SS 36
V SS
*C 3110
35
N C N C 0.1u
N C N C 34
*R 3121
47
C LE
N C 33
2.2
N A N D _ D3
ALE I/O 3 32 7 8
2.2 N A N D _ D2
W E# I/O 2 31 5 6
0 N A N D _ D1
W P# I/O 1 30 3 4
0 N A N D _ D0
2
N C I/O 0 29 1
N C 28
N C
N C 27
N C
N C N C 26
N C N C 25
R 3118
D3104
R 3103 4.7K
B AV 70
4.7K
C 3104
2
0.01u
3
1
R 3110 R 3113
47K 4.7K
C 3103
0.01u
10 11 12 13
2 – 7
R 3130 C 3112
0.1u
0
10V
IC3104
0
1 A0 V CC 8 R V2464AI
3.3
3.3
W P
2 A1 7
0
R 3129 0
0
3 A2 S CL 6
1
0 3.1
4 G ND S DA 5
3
3.1
R 3139
14 15 16 17
LC-90LE657U
DUN TK F953WE 06
T O MAIN 4(CP U)
004
S CL 0_400k
2
004
S DA0_400k
4
10
18 19