Kurzweil K2600 Series User Manual

Kurzweil K2600 Series Service Manual
7-13
DSP Board–DRAM 3/5V Addr/Data Buffers (3 of 5)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
RP19 47
1
2
3
45
6
7
8
RP18 47
1
2
3
45
6
7
8
RP17 47
1
2
3
45
6
7
8
RP16 47
1
2
3
45
6
7
8
RP15 47
1
2
3
45
6
7
8
RP14 47
1
2
3
45
6
7
8
RP13 47
1
2
3
45
6
7
8
RP12 47
1
2
3
45
6
7
8
RP11 47
1
2
3
45
6
7
8
RP10 47
1
2
3
45
6
7
8
RP9 47
1
2
3
45
6
7
8
RP8 47
1
2
3
45
6
7
8
RP7 47
1
2
3
45
6
7
8
RP6 47
1
2
3
45
6
7
8
RP5 47
1
2
3
45
6
7
8
RP4 47
1
2
3
45
6
7
8
RP3 47
1
2
3
45
6
7
8
RP2 47
1
2
3
45
6
7
8
RP1 47
1
2
3
45
6
7
8
TP6
TP5
TP4
TP3
TP2
TP1
U24
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U23
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U21
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U22
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U20
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U18
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U19
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U17
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U15
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
U16
74LCX2245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
10
GND
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
20
VCC
R71
1K
12
R72
1K
12
C84
.1uF
12
C86
.1uF
12
C85
.1uF
12
C83
.1uF
12
C73
.1uF
12
C77
.1uF
12
C75
.1uF
12
C76
.1uF
12
C74
.1uF
12
C72
.1uF
12
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
K2600 DSP Engine
DRAM 3/5V Address/Data Buffers
Mike Richmond
021205 RCV0
021205C0 8/4/99
03 05
BDLY1D[23:00] {4-A8}
DLY1D[23] BDLY1D[23] DLY1D[23] BDLY1D[23]
BDLY2D[23:00] {4-B8}
DLY1D[22] BDLY1D[22] DLY1D[22] BDLY1D[22]
DLY1D[21] BDLY1D[21] DLY1D[21] BDLY1D[21]
DLY1D[20] BDLY1D[20] DLY1D[20] BDLY1D[20]
DLY1D[19] BDLY1D[19] DLY1D[19] BDLY1D[19]
+3
DLY1D[18] BDLY1D[18] DLY1D[18] BDLY1D[18]
BDLY1A[09:00]
BDLY1A[09:00] {4-B1}DLY1D[17] BDLY1D[17] DLY1D[17] BDLY1D[17]
DLY1D[16] BDLY1D[16] DLY1D[16] BDLY1D[16] BDLY2A[09:00]
BDLY2A[09:00] {4-D1}
DLY1A[09:00]
DLY1A[09] BDLY1A[09] DLY1A[09] BDLY1A[09]
DLY1A[08] BDLY1A[08] DLY1A[08] BDLY1A[08]
DLY1A[07] BDLY1A[07] DLY1A[07] BDLY1A[07]
DLY1A[06] BDLY1A[06] DLY1A[06] BDLY1A[06]
DLY1D[15] BDLY1D[15] DLY1D[15] BDLY1D[15] DLY1A[05] BDLY1A[05] DLY1A[05] BDLY1A[05]
DLY1D[14] BDLY1D[14] DLY1D[14] BDLY1D[14] DLY1A[04] BDLY1A[04] DLY1A[04] BDLY1A[04]
DLY1D[13] BDLY1D[13] DLY1D[13] BDLY1D[13] DLY1A[03] BDLY1A[03] DLY1A[03] BDLY1A[03]
DLY1D[12] BDLY1D[12] DLY1D[12] BDLY1D[12] DLY1A[02] BDLY1A[02] DLY1A[02] BDLY1A[02]
DLY1D[11] BDLY1D[11] DLY1D[11] BDLY1D[11]
DLY1D[10] BDLY1D[10] DLY1D[10] BDLY1D[10]
DLY1D[09] BDLY1D[09] DLY1D[09] BDLY1D[09]
+3
DLY1D[08] BDLY1D[08] DLY1D[08] BDLY1D[08]
DLY1A[01] BDLY1A[01] DLY1A[01] BDLY1A[01]
DLY1A[00] BDLY1A[00] DLY1A[00] BDLY1A[00]
DLY2A[09] BDLY2A[09] DLY2A[09] BDLY2A[09]
DLY2A[08] BDLY2A[08] DLY2A[08] BDLY2A[08]
DLY2A[07] BDLY2A[07] DLY2A[07] BDLY2A[07]
DLY1D[07] BDLY1D[07] DLY1D[07] BDLY1D[07]
DLY2A[06] BDLY2A[06] DLY2A[06] BDLY2A[06]
DLY1D[06] BDLY1D[06] DLY1D[06] BDLY1D[06]
DLY2A[05] BDLY2A[05]
DLY2A[05] BDLY2A[05]
DLY1D[05] BDLY1D[05] DLY1D[05] BDLY1D[05]
DLY2A[04] BDLY2A[04] DLY2A[04] BDLY2A[04]
DLY1D[04] BDLY1D[04] DLY1D[04] BDLY1D[04]
DLY1D[03] BDLY1D[03] DLY1D[03] BDLY1D[03]
DLY1D[02] BDLY1D[02] DLY1D[02] BDLY1D[02]
DLY1D[01] BDLY1D[01] DLY1D[01] BDLY1D[01]
DLY1D[00] BDLY1D[00] DLY1D[00] BDLY1D[00]
L1W {2-A8} DLY2A[03] BDLY2A[03] DLY2A[03] BDLY2A[03]
L1CAS {2-A8}
DLY2A[02] BDLY2A[02] DLY2A[02] BDLY2A[02]
DLY1D[23:00] {2-A8} DLY2A[01] BDLY2A[01] DLY2A[01] BDLY2A[01]
DLY2D[23:00] {2-A8}
DLY2A[00] BDLY2A[00] DLY2A[00] BDLY2A[00]
BSPR[05]
DLY2D[23] BDLY2D[23] DLY2D[23] BDLY2D[23] BSPR[04]
DLY2D[22] BDLY2D[22] DLY2D[22] BDLY2D[22] BSPR[03]
DLY2D[21] BDLY2D[21] DLY2D[21] BDLY2D[21] BSPR[02]
DLY2D[20] BDLY2D[20] DLY2D[20] BDLY2D[20]
DLY2D[19] BDLY2D[19] DLY2D[19] BDLY2D[19]
+3 DLY2D[18] BDLY2D[18] DLY2D[18] BDLY2D[18]
DLY2D[17] BDLY2D[17] DLY2D[17] BDLY2D[17]
DLY2D[16] BDLY2D[16] DLY2D[16] BDLY2D[16]
BSPR[01]
BSPR[00]
L1CAS {2-A8}
BL1CAS {4-A1}
L1CAS {2-A8} BL1CAS {4-A1}DLY2D[15] BDLY2D[15] DLY2D[15] BDLY2D[15]
L1RAS {2-A8}
BL1RAS {4-A1}
L1RAS {2-A8} BL1RAS {4-A1}DLY2D[14] BDLY2D[14] DLY2D[14] BDLY2D[14]
L1W {2-A8}
BL1W {4-A1}
L1W {2-A8} BL1W {4-A1}DLY2D[13] BDLY2D[13] DLY2D[13] BDLY2D[13]
L2CAS {2-A8}
BL2CAS {4-B1}
L2CAS {2-A8} BL2CAS {4-B1}DLY2D[12] BDLY2D[12] DLY2D[12] BDLY2D[12]
L2RAS {2-A8}
BL2RAS {4-B1}
L2RAS {2-A8} BL2RAS {4-B1}DLY2D[11] BDLY2D[11] DLY2D[11] BDLY2D[11]
L2W {2-A8}
BL2W {4-C1}
L2W {2-A8} BL2W {4-C1}DLY2D[10] BDLY2D[10] DLY2D[10] BDLY2D[10]
DLY2D[09] BDLY2D[09] DLY2D[09] BDLY2D[09]
DLY2D[08] BDLY2D[08] DLY2D[08] BDLY2D[08]
DLY2D[07] BDLY2D[07] DLY2D[07] BDLY2D[07]
DLY2D[06] BDLY2D[06] DLY2D[06] BDLY2D[06]
DLY2D[05] BDLY2D[05] DLY2D[05] BDLY2D[05]
DLY2D[04] BDLY2D[04] DLY2D[04] BDLY2D[04]
+3 +3 +3 +3 +3
DLY2D[03] BDLY2D[03] DLY2D[03] BDLY2D[03]
DLY2D[02] BDLY2D[02] DLY2D[02] BDLY2D[02]
DLY2D[01] BDLY2D[01] DLY2D[01] BDLY2D[01]
DLY2D[00] BDLY2D[00] DLY2D[00] BDLY2D[00]
+3 +3 +3 +3 +3
L2W {2-A8}
L2CAS {2-A8}
DLY1A[09:00] {2-A8}
DLY2A[09:00] {2-A8}
The resistor packs are not used for +3.3V DRAM.
The 74LCX2245s are not used for 5.0V DRAMs.
74LCX245s cannot be substituted for 74LCX2245s.

Kurzweil K2600 Series Specifications

General

Polyphony	48 voices
Multitimbral	16 parts
MIDI	In, Out, Thru
Type	Workstation
Synthesis Method	VAST (Variable Architecture Synthesis Technology)
Keyboard	61, 76, or 88 keys
Sequencer	16-track sequencer
Display	LCD
Sampling	Yes, with optional sampling option
Storage	Floppy disk
Audio Outputs	Stereo outputs
Audio Inputs	Stereo inputs