Akai ADP-841, Service Manual

Page: 7 / 39

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
WE#
DWE#
SD33
MA5
PWR#
DQ[0..15]
WE#
DQ14
BA0
DQ9
DQM1
PCE#
A15
BA[0..1]
DQ5
SDCKE
DCAS#
A20
SD33
SD33
AA20
SCL
A8
CS#
DCS#
AD1
SCL
A9
SD33
A6
DCKE
A21
MA7
DQ12
A17
DWE#
DQM[0..1]
AD4
A4
DCLK
SD33
A19
SDA
A18
DQ6
DQ15
DBA1
AD6
SDCLK
DQ0
AA21
A12
AD0
A2
DCS#
MA4
FLASH_VCC
SD33
MA10
SD33
RAS#
AA21
DBA1
A7
DQ8
A10
DQ13
A11
DQ1
DQ4
AD3
MA3
A14
GND
SDCKE
DCKE
CAS#
A5
DRAS#
DQ3
DBA0
SDCLK
A[0..21]
A16
AD[0..7]
MA1
PRD#
+3.3V
A3
+3.3V
AD2
MA[0..11]
BA1
DQM0
+3.3V
PWR#
RAS#
SD33
DRAS#
A13
DBA0
DQ11
CAS#
MA2
MA9
DQ10
DCAS#
MA11
DCLK
AD7
MA8
PRD#
+3.3V
AA20
AD5
A0
+3.3V
A1
DQ2
DQ7
SDA
CS#
MA0
PCE#
MA6
GND
PWR# [ 3 ]
PRD# [ 3 ]
RAS#
[ 3 ]
CS# [ 3 ]
CAS#
[ 3 ]
WE# [ 3 ]
SDA [ 3 ]
PCE# [ 3 ]
AD[0..7] [ 3 ]
BA[0..1]
[ 3 ]
SCL [ 3 ]
GND [ 1,2,3,4,5,6 ]
DQM[0..1] [ 3 ]
+3.3V
MA[0..11] [ 3 ]
DCLK [ 3 ]
DQ[0..15] [ 3 ]
DCKE
[ 3 ]
A[0..21] [ 3 ]
GND
FLASH_VCC
FLASH_VCC
FLASH_VCC
R403
680R
C406
0.1uF
F401
FB
C401
0.1uF
+
C412
47uF/6.3V
C410
0.1uF
R410 33R
R412 33R
R407 10K
R404
680R
C403
0.1uF
C405
0.1uF
C409
0.1uF
U41
ESMT M12L64164A
1
2
4
12
5
7
9
8
10
46
11
13
15
16
17
18
19
35
22
23
24
25
26
14
41
29
30
31
32
33
34
36
37
38
39
40
43
42
44
52
45
47
49
48
50
51
53
54
20
21
3
6
27
28
VCC
DQ0
DQ1
VSSQ
DQ2
DQ3
VCCQ
DQ4
DQ5
VSSQ
DQ6
DQ7
DQML
WE
CAS
RAS
CS
A11
A10/AP
A0
A1
A2
A3
VCC
VSS
A4
A5
A6
A7
A8
A9
NC
CKE
CLK
DQMH
NC
VCCQ
DQ8
DQ9
VSSQ
DQ10
DQ11
VCCQ
DQ12
DQ13
DQ14
DQ15
VSS
BA0/A13
BA1/A12
VCCQ
VSSQ
VCC
VSS
RN41 33R*4
1 2
3 4
5 6
7 8
R405 0R
R402 R
C404
0.1uF
U42
EEPROM 24C02(04)
1
2
3
4 5
6
7
8
NC
NC
NC
GND SDA
SCL
WP
VCC
C408
0.1uF
+ C413
47uF/6.3V
R406 R
C407
0.1uF
U43
(STM29W160)/MX29LV160/MBM29LV160BA(TA)/160TE(BE)-70PFTN(PFCN)
25
24
23
22
21
20
19
18
8
10
28
47
16
29
31
33
35
7
26
38
40
42
44
30
32
14
36
39
41
43
45
37
27
11
9
34
46
6
4
5
3
2
1
48
17
12
A0
A1
A2
A3
A4
A5
A6
A7
A8
A20
OE
BYTE
A18
D0
D1
D2
D3
A9
CE
D4
D5
D6
D7
D8
D9
WP/ACC
D11
D12
D13
D14
D15
VCC
GND1
WE
A19
D10
GND2
A10
A12
A11
A13
A14
A15
A16
A17
RESET
R408
10K
R411 33R
F402
FB
C411
0.1uF
R409 33R
R401 0R