Sharp LC-46SB57U Service Manual page 85

MAIN Unit (11/16)
J
I
TO MAIN15(POWER1)
D3.3V
H
TO MAIN12(EXBUS)
N_POCE1
G
N_POCE1
N_POOE
N_POOE
PDD0
PDD0
PDD1
PDD1
PDD2
PDD2
PDD3
PDD3
PDD4
F
PDD4
PDD5
PDD5
PDD6
PDD6
PDD7
PDD7
PAALE
PAALE
PACLE
PACLE
N_PARB
E N_PARB
N_POWE
N_POWE
D
C
B
A
2 3 4
1
MAIN11 (EPROM)
1 NC
0.0
2 NC
0.0
3 NC
0.0
4 NC
0.0
5 NC
0.0
6 NC
R8451
0.0
47
N_PARB
7
R/B#
3.3
N_POOE
8 RE#
3.3
N_POCE1
CE#
9
3.3
10 NC
0.0
11 NC
0.0
12
VCC
3.3
C8455
0.1u
13 VSS
0.0
CZB
14
NC
0.0
15 NC
0.0
PACLE
16 CLE
0.0
PAALE
17 ALE
0.0
N_POWE
WE#
18
3.3
19 WP#
3.3
20 NC
0.0
21 NC
0.0
22 NC
0.0
23 NC
0.0
24 NC
0.0
5 6 7 8 9
IC8453
IXC721WJQZ
512Mbit
NC 48
0.0
47
NC
0.0
46
NC
0.0
NC 45
0.0
PDD7
I/O7 44 7 8
0.0
PDD6
I/O6 43 5 6
0.0
PDD5
I/O5
42 3 4
0.0
PDD4
1 2
I/O4 41
0.0
R8458
40
NC
0.0
0
NC 39
0.0
PRE 38
0.0
VCC 37
3.3
C8456
0.1u
VSS 36
0.0
CZB
R8463
0 CZ
NC 35
0.0
34
NC
0.0
33
NC
0.0
PDD3
I/O3 32 7 8
0.0
PDD2
I/O2 31 5 6
0.0
R8462
PDD1
0 CZ
I/O1 30 3 4
0.0
PDD0
I/O0 29 1 2
0.0
R8459
NC 28
0.0
0
27
NC
0.0
NC 26
0.0
NC 25
0.0
10
11 12 13
9 – 13
MAIN UNIT 11/16
DUNTKE833WE03
(PWBXE833WJ)
CZB
C8451
0.1u
0.0
3.3
1 E0 VCC
8
0.0
3.1
E1 WC
2 7
R8456
47 CZ
3.3 3.3
3 E2 SCL 6
R8457
47 CZ
0.0
3.3
4 VSS SDA
5
IC8451
CZB
C8460
0.1u
0.0
3.3
1
A0 VCC 8
0.0 0.0
2 A1 WP 7
R8474
0.0 3.3
47 CZ
3 A2 SCL 6
R8475
0.0
3.3
47 CZ
GND SDA 5
4
IC8454
S24CS64A
EEPROM
GND_B
14 15 16 17
LC-46SB57U/LC-52SB57U
TO MAIN16(POWER2)
5V
TO MAIN13(CONN)
I2CEXT
SCL0
SDA0
SCL1
SDA1
18 19