Sharp AL-1566 (serv.man16) Service Manual ▷ View online
AL-1556/1566 CIRCUIT DIAGRAM 13 - 5
MCU PWB (Memory section)
R48
0J
C74
0.1u
R51
0J
R47
10kJ
IC7
Flash ROM
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
A17
17
DQ0
29
DQ1 31
DQ2
33
DQ3
35
DQ4
38
DQ5
40
DQ6
42
DQ7
44
DQ8
30
DQ9
32
DQ10
34
DQ11 36
DQ12
39
DQ13
41
DQ14
43
DQ15
45
NC
9
NC
10
NC
16
GND
46
GND
27
VCC
37
VPP
13
BYTE
47
OE
28
CE
26
WE
11
RP
12
WP
14
RY/BY
15
R53
OPEN
R49
10kJ
IC8
IS63LV1024L-12J-TR
I/O0
6
A0
1
I/O1 7
A1
2
I/O2
10
A2
3
I/O3
11
A3
4
I/O4
22
A4
13
I/O5
23
A5
14
I/O6
26
A6
15
I/O7
27
A7
16
A8
17
A9
18
A10
19
A11
20
A12
21
A13
29
A14
30
CS1
5
OE
28
WE
12
VDD
8
GND
9
VDD
24
A15
31
A16
32
GND
25
C73
0.1u
R52
OPEN
HWRZ
A12
A7
A10
A11
A17
A9
A12
A5
A16
A14
A1
D14
D15
RDZ
A15
A8
A6
D10
A2
A4
A10
A14
A13
A15
A3
D8
D12
A6
A16
A7
A11
CS1Z
A2
A4
A8
HWRZ
D9
D11
A13
A9
A18
A19
D13
A5
A1
A0
A3
V
VCC3
VCC3
VCC3
D[15..0]
/CS1
/RD
/HWR
A[19..0]
RY/BY
/RESET0
(2-A1)
(1-D2)
(1-A2)
(1-B3)
(1-B3)
(1-D3)
Flash ROM
LH28F400BVE-BL85
R51
OPEN
IC7
(1-C1)
(2-C1)
(15-B2)
(2-A1)
(4-A2)
(15-C2)
A
A
B
B
C
C
4
3
2
1
AL-1556/1566 CIRCUIT DIAGRAM 13 - 6
C77
0.1u
C78
0.1u
C79
0.1u
C80
0.1u
C81
0.1u
C82
0.1u
C76
0.1u
C399
N.M.
R49
10kJ
IC6
SDRAM (16bit x 4bank)
A0
23
A1
24
A2
25
A3
26
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A10
22
BA0
20
DQ0
2
DQ1
4
DQ2
5
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
VCC
1
VCC
27
VSS
54
VSS
28
VCCQ
9
VSS
41
VCCQ
43
VCCQ
49
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
LDQM
15
UDQM
39
WE
16
CAS
17
RAS
18
CS
19
CLKE
37
CLK
38
NC
40
NC
36
VCCQ
3
VCC
14
BA1
21
A11
35
R50
0J
C75
0.1u
RAMDB0
RAMDB9
RAMDB10
RAMDB11
RAMDB12
RAMDB13
RAMDB14
RAMDB15
RAMDB7
RAMDB8
RAMDB3
RAMDB1
RAMDB5
RAMDB6
RAMDB2
RAMDB4
MAD8
MAD9
MAD4
MAD5
MAD11
MAD1
MAD0
MAD10
MAD7
MAD12
A17
A1
RDZ
MAD3
MAD2
MAD6
D4
D8
D14
D5
D9
D10
D2
D15
D3
D6
D12
D1
D11
D0
D13
D7
VCC3
VCC3
VCC3
VCC3
/CS0
MAD[12..0]
BANK0
BANK1
/SDCS
/SDWDE
/SDCAS
/SDRAS
DQM0
DQM1
SDCLK
SDCKE
RAMDB[15..0]
(1-A2)
(2-A2)
(2-A3)
SDRAM
Vendor/Type
128Mb(2Mx16bitx4bank)
5
LH28F800BJE-PBTL90
0J
IC6
(2-A2)
(2-A2)
(2-A2)
(2-A3)
(2-A3)
(2-A3)
(2-A2)
(2-A2)
(2-A2)
(2-A2)
64Mb(1Mx16bitx4bank)
MT48LC8M16A2TG-75(Micron)
HY57V281620HCT(Hyndai)
K4S281632E-TC75(Samsung)
W981216BH-75(Winbond)
HY57V641620HGT-P
Hyndai)
MT48LC4M16A2TG-75
Micron)
K4S641632F-TC75(Samsung)
K4S641632E-TC1H(Samsung)
W986416DH-7(Winbond)
C
C
D
D
E
E
4
3
2
1
3/14
AL-1556/1566 CIRCUIT DIAGRAM 13 - 7
MCU PWB (Driver section 1)
IC15
74LCX574
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
CLK
11
OC
1
Q1 19
Q2 18
Q3 17
Q4 16
Q5 15
Q6 14
Q7 13
Q8 12
VCC 20
GND
10
IC17
NC7S32M5X
1
2
4
5
3
C90
0.1u
IC20
NC7ST08M5X
1
2
4
R60
10J
IC13
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC 16
GND 8
C93
0.1u
C83
0.1u
C87
0.1u
C91
33p
R56
10J
R57
10J
C109
0.1u
C88
33p
C84
33p
R348
0J
R344
33J
R349
0J
R59
10kJ
R308
10kJ
R350
0J
C94
0.1u
R317
10kJ
R309
10kJ
R336
10kJ
R346
33J
C393
OPEN
IC11
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W 6
Y 5
VCC 16
GND 8
C394
OPEN
BR68
10kJ
1
2
3
4
8
7
6
5
R347
0J
C389
47pF
IC9
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W 6
Y 5
VCC 16
GND 8
C103
0.1u
IC18
TC7SBD385AFU
A
1
B 2
OE
4
GND 3
Vcc 5
R55
10kJ
D15
D11
D8
D10
D12
D9
D13
D14
/RESET#
5V
5V
5V
5V
VCC3
VCC3
VCC3
EN5V
VCC3
EN5V
VCC3
EN5V
SIN1
SIN2
SIN3
SELIN1
SELIN2
SELIN3
OP_CLK
OP_DATA
SPFMT0
SPFMT1
SPFMT3
MIRON
SPFON
TM
TM_
SIN1
SIN2
(SELIN1)
(SELIN2)
(SELIN3)
(PPD1)
(POD)
(MFD)
(CED1)
(TCS)
(PMRDY)
DVS1
(DRST)
(PPD2)
(PPD3)
THOPEN
(CED2)
DSWS
(MMLD)
(SDSW)
(SPID)
(SB4D)
FW
SPFMT2/MIRCNT
SIN3
MIRCNT
LCDDB7
LCDDB6
LCDDB5
LCDDB4
LCDE
LCDRS
D[15..0]
/HWR
/CS3
SFTMT0
SFTMT1
SFTMT2
SFTMT3
KEYSC1
KEYSC2
KEYSC3
KEYIN
DEVDIR
(SCL1)
SDA1
(SDA1)
OP_LATCH
PSL
(SDOD)
(PD1)
(PD2)
SCL
BZR
MCNT
/RESET0
/ASIC_RST
SPFS
SRRC
SGS
SPUS
(7-E1)
(7-E2)
(7-E3)
(4-E2)
(7-E1)
(7-E2)
(7-E3)
(7-E4)
(7-E4)
(7-E4)
(7-E3)
(7-E4)
(7-E3)
(7-E1)
(7-C4)
(5-E2)
(7-E4)
(11-D3)
(7-E4)
(4-C4)
(4-C4)
(4-C4)
(10-C4)
(2-D2)
(2-D2)
(2-D2)
(1-B3)
(1-B3)
(1-B3)
(1-A2)
(1-A2)
(1-A2)
(1-A2)
(4-C3)
(2-D1)
(2-D1)
Digital Input Multiplexer
3.3V
5V/3
(1-D2)
(3-A2)
Extension Digital Output Port
5V
5V
3.3V
3.3V
For CRUM Model Only
(4-E2)
(4-E2)
(10-E3)
(10-E3)
(10-E3)
(7-E4)
(3-A1) (2-A1)
(15-C2)
(1-A2)
(1-B3)
(6-D3)
(6-D3)
(6-D3)
(6-D3)
(2-C1)
(1-E2)
(11-D3)
(2-D2)
(2-D2)
(1-A2)
(2-D1)
(2-D1)
(2-D1)
(1-D3)
(1-D3)
(1-D3)
(1-D3)
(1-D3)
(1-D3)
(1-D3)
(7-E4)
A
A
B
B
C
C
4
3
2
1
AL-1556/1566 CIRCUIT DIAGRAM 13 - 8
R61
100J
C85
47p
IC16
74VHCT244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1 18
1Y2 16
1Y3 14
1Y4 12
2Y1 9
2Y2 7
2Y3 5
2Y4 3
VCC 20
GND
10
IC14
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1 18
1Y2 16
1Y3 14
1Y4 12
2Y1 9
2Y2 7
2Y3 5
2Y4 3
VCC 20
GND
10
BR67
10kJ
1
2
3
4
8
7
6
5
IC12
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1 18
1Y2 16
1Y3 14
1Y4 12
2Y1 9
2Y2 7
2Y3 5
2Y4 3
VCC 20
GND
10
R342
100J
IC19
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1 18
1Y2 16
1Y3 14
1Y4 12
2Y1 9
2Y2 7
2Y3 5
2Y4 3
VCC 20
GND
10
C89
0.1u
R324
33J
IC10
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1 18
1Y2 16
1Y3 14
1Y4 12
2Y1 9
2Y2 7
2Y3 5
2Y4 3
VCC 20
GND
10
C378
OPEN
R345
33J
C388
OPEN
OPEN
C394
OPEN
C395
OPEN
C396
OPEN
C380
0.1u
C390
33pF
C86
0.1u
C389
47pF
R323
1kJ
IC45
NC7WZ17
A1
1
A2
3
Y1 6
Y2 4
GND 2
Vcc 5
C391
33pF
C392
33pF
BR88
33J
1
2
3
4
8
7
6
5
R54
10kJ
C377
0.01uF
C92
0.1u
C379
0.1u
R315
10kJ
C95
0.1u
R58
10kJ
C104
0.1u
IC107
NC7ST08M5X
1
2
4
/RESET#
VCC3
VCC3
5V
VCC3
VCC3
5V
VCC3
5V
5V
(KEYIN)
(FW)
(SIN1)
(SIN2)
(SIN3)
(SELIN1)
(SELIN2)
(SELIN3)
(OP_DATA)
(OP_LATCH)
(SPFMT0)
(SPFMT1)
(SPFMT2)
(SPFMT3)
(TM)
(TM_)
(LCDDB7)
(LCDDB6)
(LCDDB5)
(LCDDB4)
(LCDE)
(LCDRS)
(KEYSC1)
(KEYSC2)
(KEYSC3)
/VIDEO
VIDEO#
(OP_CLK)
(PSL)
(BZR)
/SYNC
(/SYNC)
/RESET1
(/ASIC_RST)
SPFS#
SRRC#
SGS#
SPUS#
(1-A3)
(4-A4)
(10-E3)
(10-E3)
(6-D2)
(6-D2)
(6-B1)
(6-B1)
(6-B1)
(6-B1)
3.3V
3.3V
3.3V
3.3V
5V/3.3V
5V
3.3V
3.3V
(10-E3)
(10-E3)
(10-E4)
(4-A4) (10-E3)
(4-A4) (10-E3)
(10-E3)
(10-E3)
(10-E3)
(2-C1)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(11-A2)
3.3V
(11-B2)
(2-E1)
4/14
C
C
D
D
E
E
4
3
2
1
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