Pioneer DJM 3000 - Professional DJ Mixer, Service Manual

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DJM-3000
100
1 2 3 4
1 2 3 4
C
D
F
A
B
E
7.2 PARTS
7.2.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
Block Diagram
Pin Arrangement (Top View) Pin Function
K4F160812D-FC60 (DSP ASSY: IC113)
• CMOS DRAM
Control
Clocks
Refresh Timer
Data In
Buffer
VBB
Generator
Refresh Control
7
Refresh Counter
Row Address Buffer
Col. Address Buffer Column Decoder
23
6
22
Data Out
Buffer
Row Decoder
Memory Array
2,0970,152
×
8
Cells
Sense Amps & I/O
9-13,
16-21
10-13,
16-20
2-5,
24-27
Vcc
Vss
DQ0 to DQ7
OE
RAS
CAS
W
A0 to A10
A0 to A8
Vcc 1
1,14
15,28
DQ0 2
DQ1 3
DQ2 4
DQ3 5
W 6
RAS 7
N.C 8
A10 9
A0 10
A1 11
A2 12
A3 13
Vcc
Vss
DQ7
DQ6
DQ5
DQ4
CAS
OE
A9
A8
A7
A6
A5
A4
Vss
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
No. Pin Name Pin Function
1 Vcc Power supply (+3.3V)
2 DQ0
Data In/Out
3 DQ1
4 DQ2
5 DQ3
6 W Read/Write input
7 RAS Row address Strobe
8 N.C No connection
9 A10
Address inputs
10 A0
11 A1
12 A2
13 A3
14 Vcc Power supply (+3.3V)
15 Vss Ground
16 A4
Address input
17 A5
18 A6
19 A7
20 A8
21 A9
22 OE Data output enable
23 CAS Column address strobe
24 DQ4
Data In/Out
25 DQ5
26 DQ6
27 DQ7
28 Vss Ground