Akai LCT2785TA, Service Manual

Page: 9 / 64

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
A_CKE
A_DQM1
DV25B
A_RA10
DV25A
A_BA1
F_D7
F_A9
A_BA0
F_A10
F_A8
F_D5
F_A17
IOA7 F_D6
IOA6
IOA5
F_A19
F_A13
F_D4
F_A16
FLASHVCC
F_D2
F_A14
F_A12
F_D0
F_A20
F_A18
F_D1
F_D3
IOCE#
IOA3
IOA2
IOWR#
IOA0
IOA4
F_OE#
IOA1
F_A11
D_DQ12
D_DQ14
D_DQ13
D_DQ0
D_DQ3
D_DQ1
D_DQ2
D_DQ7
D_DQ4
D_DQ6
D_DQ8
D_DQ11
D_DQ5
D_DQ10
D_DQ9
D_RAS#
D_DQ15
D_DQ4
D_DQ3
D_DQ2
D_DQ1
D_DQ0
A_RA2
A_RA1
A_DQ4
A_DQ1
A_DQ3
A_DQ10
A_DQ0
A_DQ5
A_DQ9
A_DQ6
A_DQ2
A_DQ11
A_DQ19
A_DQ7
A_DQ8
A_DQ17
A_DQ25
A_DQ14
A_DQ16
A_DQ21
A_DQ13
A_DQ26
A_DQ24
A_DQ15
A_DQ20
A_DQ12
A_DQ22
A_DQ23
A_DQ18
A_DQ30
A_DQ27
A_DQ29
A_DQ28
A_DQ31
D_RA8
D_RA11
IOWR#
F_OE#
IOCE#
F_A[8..20]
DV25B
DV25A
D_DQM1
D_WE#
D_CAS#
D_DQM0
A_RA0
A_RA3
F_D[0..7]
IOA[0..7]
D_RA3
D_RA2
D_RA0
D_RA1
D_DQS0
D_DQS2
D_DQS3
D_CS#
D_CAS#
D_BA1
D_RAS#
D_WE#
D_BA0
D_RA3
D_RA1
D_RA0
D_RA2
D_RA9
D_RA4
D1V25
D_RA10
D_RA11
DV25B
A_CLK
D_CLK#
D_CLK
D_DQS1
D_CLK
F_A15
SDV25A
D_DQ16
D_RA6
D_DQM0
D_DQ13
D1V25
D_DQM1
D1V25
D1V25
D_DQ6
D_RA7
D_RA5
D_DQ26
D_RA8
D_DQ27
D_DQ31
VREF
D_DQ28
D_DQ10
D_RA6
D_DQ9
D_DQ8
D_CKE
D_DQS3
D_DQ17
D_DQ23
D_DQ18
D_DQ19
D_DQ21
D_DQ22
D_DQ27
D_DQ25
D_DQ26
D_DQ16
D_DQ29
D_DQ30
D_DQ20
D_DQ31
D_DQ28
D_CLK
D_CLK
D_CLK#
D_CLK#
D_CLK#
A_RA8
A_RA9
A_RA11
VREF
D_DQ31
D_DQ30
D_DQ28
A_DQS[0..3]
D_DQ29
A_RA4
A_RA5
A_RA7
A_RA6
D_RA7
D_RA4
D_RA5
D_RA6
VREF
DV25A
A_RA[0..11]
A_RAS#
A_CAS#
A_WE#
A_CS#
D_CS#
D_RAS#
D_WE#
D_CAS#
D1V25
D_RA2
D_RA1
D_RA0
D_RA3
D_DQS2
D_DQM0
A_DQS0
D_DQS3
D_DQS0
D_RA9
D_RA8
A_DQS2
A_DQS3
D_RA10
D_RA11
A_BA[0..1]
D_BA1
D_DQ24
D_RA6
D_BA0
D_CKE
D_DQM1
A_DQS1 D_DQS1
D_CLK
A_CLK# D_CLK#
D_RA5
D_RA7
D_DQ17
D_RA4
D_DQ24
D_DQ20
D_DQ22
D_DQ23
D_DQ25
D_DQ18 D_DQ29
D_DQ19
D_DQS0
D_DQ16
D_DQ30
D_DQM1
D_DQS1
D_DQ21
D_CKE
D_CS#
D_WE#
D_CAS#
D_DQS2
D_BA0
D_CLK
D_DQM0
D_CLK#
D_BA1
D_RA3
D_RA8
D_RA2 D_RA5
D_RA0
D_RA11
D_RA1
D_RA10
D_DQ2
D_RA4
D_RA7
D_RA9
D_DQ1
D_DQ3
D_DQ0
D_DQ6
D_DQ15
D_DQ5
D_DQ14
D_DQ12
D_DQ13
D_DQ11
D_DQ7
A_CLK
D_RA9
D_RA10
D_BA1
D_BA0
D_CS#
D_RAS#
A_CLK#
A_CKE
D_DQ11
D_DQ8
D_DQ9
D_DQ10
A_CS#
A_RAS#
A_WE#
A_CAS#
D_DQ18
D_DQ17
A_DQM[0..1]
D_DQ19
A_DQ[0..31]
D_DQ26
D_DQ27
D_DQ25
VREF
D1V25
D_DQ24
VREF
DV25A
SDV25A
D_DQ7
D_DQ5
D_DQ4
D_DQ14
D_DQ12
D_DQ15
D_DQ23
D_DQ20
D_DQ22
D_DQ21
A_DQM0
VREF
SDV25
SDV25A DV25B
D1V25
VREF
SB33B
SB33B
SB33B
SB33B
DV25B
DV25B
D1V25
D1V25
DV25B
DV25B DV25B
DV25B
VCC
VREF
DV25B
DV25A
DV25A
A_RA[0..11] 3
A_BA[0..1] 3
A_CLK 3
A_RAS# 3
A_CKE 3
A_CS# 3
A_WE# 3
A_CAS# 3
A_DQM[0..1] 3
A_DQ[0..31] 3
IOA[0..7] 3
F_D[0..7] 3
A_DQS[0..3] 3
VREF 3
A_CLK# 3
IOCE# 3
IOWR# 3
F_OE# 3
F_A[8..20] 3
DV25A 3
SDV25A 3
Title
Size
Document Number Rev
Date: Sheet
Checked:
DDR MEMORY & FLASH
1
C
5 17 Thursday, April 13, 2006
AKAI_MT8202_27US_LVDS_V0.0
KAWA Confidential
<Designer>
<Checker>
Title
Size
Document Number Rev
Date: Sheet
Checked:
DDR MEMORY & FLASH
1
C
5 17 Thursday, April 13, 2006
AKAI_MT8202_27US_LVDS_V0.0
KAWA Confidential
<Designer>
<Checker>
Title
Size
Document Number Rev
Date: Sheet
Checked:
DDR MEMORY & FLASH
1
C
5 17 Thursday, April 13, 2006
AKAI_MT8202_27US_LVDS_V0.0
KAWA Confidential
<Designer>
<Checker>
CLOSE TO 8202 PIN
TSOP 48 PIN
PUT ON NEARLY BGA
VREF DECOUPLING
1 2
3 4
5 6
7 8
RN20
75x4
RN20
75x4
CB97
0.1uF CB97
0.1uF
C42
3300pF
C42
3300pF
CB70
0.1uF CB70
0.1uF
R77 75 R77 75
+ CE41
47uF/16v + CE41
47uF/16v
R84 22 R84 22
1 2
3 4
5 6
7 8
RN18
75x4
RN18
75x4
+
CE46
220uF/16v
+
CE46
220uF/16v
R71 22 R71 22
CB121
0.1uF
CB121
0.1uF
C47
3300pF
C47
3300pF
1 2
3 4
5 6
7 8
RN22
75x4
RN22
75x4
1 2
3 4
5 6
7 8
RN10
47x4
RN10
47x4
CB101
0.1uF CB101
0.1uF
1 2
3 4
5 6
7 8
RN4
22x4
RN4
22x4
R83 75 R83 75
+
CE44
220uF/16v
+
CE44
220uF/16v
C45
3300pF
C45
3300pF
1 2
3 4
5 6
7 8
RN21
47x4
RN21
47x4
CB100
0.1uF CB100
0.1uF
+ CE45
220uF/16v
+ CE45
220uF/16v
CB78
0.1uF CB78
0.1uF
R68 47 R68 47
CB106
0.1uF CB106
0.1uF
R76 22 R76 22
CB77
0.1uF CB77
0.1uF
CB83
0.1uF CB83
0.1uF
CB120
0.1uF
CB120
0.1uF
R81 75 R81 75
R69 47 R69 47
C43
3300pF
C43
3300pF CB93
0.1uF
CB93
0.1uF
1 2
3 4
5 6
7 8
RN8
47x4
RN8
47x4
R78 22 R78 22
1 2
3 4
5 6
7 8
RN6
22x4
RN6
22x4
CB95
0.1uF CB95
0.1uF
C40
3300pF
C40
3300pF
R72 75 R72 75
CB130
0.1uF CB130
0.1uF
CB127
0.1uF
CB127
0.1uF
C55
3300pF C55
3300pF
CB99
0.1uF CB99
0.1uF
CB105
0.1uF CB105
0.1uF
CB92
0.1uF CB92
0.1uF CB82
0.1uF CB82
0.1uF
CB124
0.1uF
CB124
0.1uF
R80 22 R80 22
+ CE47
220uF/16v
+ CE47
220uF/16v
CB110
0.1uF
CB110
0.1uF
R75 75 R75 75
1 2
3 4
5 6
7 8
RN15
75x4
RN15
75x4
CB91
0.1uF CB91
0.1uF
CB76
0.1uF CB76
0.1uF
L16 FB L16 FB
1 2
3 4
5 6
7 8
RN24
75x4
RN24
75x4
CB125
0.1uF
CB125
0.1uF
R82 22 R82 22
CB66
0.1uF CB66
0.1uF
1 2
3 4
5 6
7 8
RN14
75x4
RN14
75x4
CB114
0.1uF
CB114
0.1uF
1 2
3 4
5 6
7 8
RN16
47x4
RN16
47x4
1 2
3 4
5 6
7 8
RN3
75x4
RN3
75x4
R327 100/NC R327 100/NC
+ CE39
270uF/16v OS-CON/NC
C220UF16V/D6H11
+ CE39
270uF/16v OS-CON/NC
C220UF16V/D6H11
1 2
3 4
5 6
7 8
RN5
75x4
RN5
75x4
CB108
0.1uF
CB108
0.1uF
CB119
0.1uF
CB119
0.1uF
+
CE42
220uF/16v
+
CE42
220uF/16v
CB84
0.1uF CB84
0.1uF CB86
0.1uF CB86
0.1uF
R67 47 R67 47
CB103
0.1uF CB103
0.1uF
CB69
0.1uF CB69
0.1uF
SD
2
GND
1
VSENSE
3
VREF
4
VDDQ
5
AVIN
6
PVIN
7
VTT
8
U20
IC LP2996 DDR Termination SOP8
U20
IC LP2996 DDR Termination SOP8
+ CE48
220uF/16v
+ CE48
220uF/16v
R64 22 R64 22
CB94
0.1uF CB94
0.1uF
CB112
0.1uF
CB112
0.1uF
C41
3300pF
C41
3300pF
CB68
0.1uF CB68
0.1uF
CB117
0.1uF
CB117
0.1uF
IN
3
AD
J/G
N
D
1
OUT
2
U21
LT1084-2.5 TO-252-3
TO-252-3/SMD U21
LT1084-2.5 TO-252-3
TO-252-3/SMD
CB122
0.1uF
CB122
0.1uF
1 2
3 4
5 6
7 8
RN11
47x4
RN11
47x4
CB64
0.1uF
CB64
0.1uF
1 2
3 4
5 6
7 8
RN7
75x4
RN7
75x4
CB129
0.1uF
CB129
0.1uF C56
10uF/10v
C0805/SMD
C56
10uF/10v
C0805/SMD
+ CE40
220uF/16v
+ CE40
220uF/16v
R70 75 R70 75
C44
3300pF
C44
3300pF
R66 47 R66 47
CB75
0.1uF CB75
0.1uF
R85 75 R85 75
R63
10k
R63
10k
CB88
0.1uF CB88
0.1uF
R61
10k
R61
10k
1 2
3 4
5 6
7 8
RN23
75x4
RN23
75x4
TP40 TP40
CB96
0.1uF CB96
0.1uF
CB104
0.1uF CB104
0.1uF
CB72
0.1uF CB72
0.1uF
R73 22 R73 22
CB89
0.1uF CB89
0.1uF
VDD
1
DQ0
2
VDDQ
3
DQ1
4
DQ2
5
VSSQ
6
DQ3
7
DQ4
8
VDDQ
9
DQ5
10
DQ6
11
VSSQ
12
DQ7
13
NC
14
VDDQ
15
LDQS
16
NC
17
VDD
18
DNU
19
LDM
20
WE
21
CAS
22
RAS
23
CS
24
NC
25
BA0
26
BA1
27
A10/AP
28
A0
29
A1
30
A2
31
A3
32
VDD
33
VSS
66
DQ15
65
VSSQ
64
DQ14
63
DQ13
62
VDDQ
61
DQ12
60
DQ11
59
VSSQ
58
DQ10
57
DQ9
56
VDDQ
55
DQ8
54
NC
53
VSSQ
52
UDQS
51
NC
50
VREF
49
VSS
48
UDM
47
CK
46
CK
45
CKE
44
NC
43
A12
42
A11
41
A9
40
A8
39
A7
38
A6
37
A5
36
A4
35
VSS
34
8M x 16
DDR
U19
HY5DU281622ET-5 8Mx16 TSOP(II)-66/SMD
8M x 16
DDR
U19
HY5DU281622ET-5 8Mx16 TSOP(II)-66/SMD
CB102
0.1uF CB102
0.1uF
CB90
0.1uF CB90
0.1uF
CB73
0.1uF CB73
0.1uF
VDD
1
DQ0
2
VDDQ
3
DQ1
4
DQ2
5
VSSQ
6
DQ3
7
DQ4
8
VDDQ
9
DQ5
10
DQ6
11
VSSQ
12
DQ7
13
NC
14
VDDQ
15
LDQS
16
NC
17
VDD
18
DNU
19
LDM
20
WE
21
CAS
22
RAS
23
CS
24
NC
25
BA0
26
BA1
27
A10/AP
28
A0
29
A1
30
A2
31
A3
32
VDD
33
VSS
66
DQ15
65
VSSQ
64
DQ14
63
DQ13
62
VDDQ
61
DQ12
60
DQ11
59
VSSQ
58
DQ10
57
DQ9
56
VDDQ
55
DQ8
54
NC
53
VSSQ
52
UDQS
51
NC
50
VREF
49
VSS
48
UDM
47
CK
46
CK
45
CKE
44
NC
43
A12
42
A11
41
A9
40
A8
39
A7
38
A6
37
A5
36
A4
35
VSS
34
8M x 16
DDR
U18
HY5DU281622ET-5 8Mx16 TSOP(II)-66/SMD
8M x 16
DDR
U18
HY5DU281622ET-5 8Mx16 TSOP(II)-66/SMD
CB123
0.1uF
CB123
0.1uF
CB111
0.1uF
CB111
0.1uF
CB118
0.1uF
CB118
0.1uF
CB81
0.1uF CB81
0.1uF
CB67
0.1uF CB67
0.1uF
CB74
0.1uF CB74
0.1uF
CB113
0.1uF
CB113
0.1uF
CB79
0.1uF CB79
0.1uF
CB87
0.1uF CB87
0.1uF
R329 100/NC R329 100/NC
CB65
0.1uF CB65
0.1uF
R74 4.7k R74 4.7k
CB116
0.1uF
CB116
0.1uF
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A19
9
OE
28
BYTE
47
A18
16
D0
29
D1
31
D2
33
D3
35
A9
7
CE
26
D4
38
D5
40
D6
42
D7
44
D8
30
D9
32
A20
10
D11
36
D12
39
D13
41
D14
43
D15
45
VCC
37
GND1
27
WE
11
RY/BY
15
D10
34
GND2
46
A10
6
A12
4
A11
5
A13
3
A14
2
A15
1
A16
48
A17
17
NC
13
RESET
12
WP/ACC
14
U17
29LV160
U17
29LV160
R328 100/NC R328 100/NC
CB107
0.1uF CB107
0.1uF
R79 75 R79 75
1 2
3 4
5 6
7 8
RN9
75x4
RN9
75x4
1 2
3 4
5 6
7 8
RN13
47x4
RN13
47x4
L17 FB L17 FB
R62
0 R62
0
CB98
0.1uF CB98
0.1uF
1 2
3 4
5 6
7 8
RN12
75x4
RN12
75x4
CB80
0.1uF CB80
0.1uF
1 2
3 4
5 6
7 8
RN19
47x4
RN19
47x4
C46
3300pF
C46
3300pF
1 2
3 4
5 6
7 8
RN2
22x4
RN2
22x4
CB128
0.1uF
CB128
0.1uF
C54
3300pF C54
3300pF
R65 75 R65 75
CB126
0.1uF
CB126
0.1uF
1 2
3 4
5 6
7 8
RN25
22x4
RN25
22x4
1 2
3 4
5 6
7 8
RN17
47x4
RN17
47x4
CB71
0.1uF CB71
0.1uF
CB85
0.1uF CB85
0.1uF
CB109
0.1uF CB109
0.1uF
8