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Kurzweil K2600 Series Service Manual
1
ONE_WS {1-C8}
CA[25:00] {1-A1}
CD[15:00] {1-A1}
A
8_BIT {1-C8}
JANISCS {1-D3}
CPUBUSEN {1-D8}
K2600 CPU-TO-DSP
11
WRITE {1-B1,2-B1,3-D1,5-A1,6-C1}
WRITE
12
DSACK1 {1,5-A1}
DSACK1
13
DSPCS {1-D8}
DSPCS
15
RESET {1-A1,3-B1}
RESET
CD[15]
36
CD15
CD[14]
35
CD14
CD[13]
34
CD13
CD[12]
33
CD12
CD[11]
32
CD11
CD[10]
31
CD10
CD[09]
30
CD09
CD[08]
29
CD08
CD[07]
26
CD07
CD[06]
25
CD06
CD[05]
24
CD05
CD[04]
23
B
CD04
CD[03]
22
CD03
CD[02]
21
CD02
CD[01]
20
CD01
CD[00]
19
CD00
CA[25]
68
CA25
CA[24]
67
CA24
CA[23]
66
CA23
CA[22]
65
CA22
CA[21]
64
CA21
CA[20]
63
CA20
CA[10]
53
CA10
CA[09]
52
CA09
CA[08]
51
CA08
CA[07]
48
CA07
CA[06]
47
CA06
CA[05]
46
CA05
CA[04]
45
CA04
CA[03]
44
CA03
CA[02]
43
CA02
CA[01]
42
CA01
CA[00]
41
CA00
C
DGND
1 2 9 10 17 18 27 28 49 50
54 55 56 57 58 59 60 69 70 72 73
76 77 80 81 84 85 88 89 92 93 95 96
J814
1
DGND1
2
DGND2
3
DGNDSNS
4
+3V
5
+3V+SNS
6
+5V
7
+5V+SNS
8
470uF,6.3V
POWEROK
CPU DC POWER
J813
K2501 Scanner Connector
1
EXTIAK {1-A8}
EXTIAK
3
CMIDI_TxD {1-B8}
SMIDI_RxD
D
11
CLK10 {5-B8}
CLK10
+12V
6
+12
7
--12
9
BATSENSE {2-B8}
BATSNS
~12V
DGND
4 8 13
RESET_68K {1-D8}
1
7-10
CPU Board–Connectors and Decoders (8 of 8)
2
3
U34
74VHC245
CD[15]
18
2
BD[15]
B[1]
A[1]
CD[14]
17
3
BD[14]
B[2]
A[2]
CD[13]
16
4
BD[13]
B[3]
A[3]
CD[12]
15
5
BD[12]
VCC
B[4]
A[4]
CD[11]
14
6
BD[11]
B[5]
A[5]
3
CD[10]
13
7
BD[10]
+5V1
B[6]
A[6]
4
CD[09]
12
8
BD[09]
+5V2
B[7]
A[7]
97
CD[08]
11
9
BD[08]
+5V3
B[8]
A[8]
3VCC
98
+5V4
99
DIR G
+5V5
100
+5V6
5
+3V1
6
+3V2
7
+3V3
8
CD[07]
18
2
BD[07]
+3V4
B[1]
A[1]
CD[06]
17
3
BD[06]
B[2]
A[2]
CD[05]
16
4
BD[05]
B[3]
A[3]
14
CD[04]
15
5
BD[04]
SPARE1
B[4]
A[4]
16
CD[03]
14
6
BD[03]
SPARE2
NC
B[5]
A[5]
39
CD[02]
13
7
BD[02]
SPARE3
NC
NC
B[6]
A[6]
40
CD[01]
12
8
BD[01]
SPARE4
NC
B[7]
A[7]
61
CD[00]
11
9
BD[00]
SPARE5
NC
B[8]
A[8]
62
SPARE6
NC
U35
DIR G
74VHC245
J812
75
PJTOPO
PJTOPO {5-A1}
86
PJKISO2
PJKISO2 {5-A1}
79
PJKISO1
PJKISO1 {5-A1}
82
PJKISO0
PJKISO0 {5-A1}
83
BJTOPO
BJTOPO {5-A1}
94
BJKISO2
BJKISO2 {5-A1}
87
BJKISO1
BJKISO1 {5-A1}
90
BJKISO0
BJKISO0 {5-A1}
91
BH1CTOPO
BH1CTOPO {5-A1}
74
DACDATA
78
VLSICLK
71
BH2TOPO
VCC
3VCC
VCC
R150
4.7K
C
C98
+
+
C99
B
100uF,6.3V
C
E
POWEROK
1
2
B
Q8
MMBT2222
R149
E
10K
2
EXTIRQ
EXTIRQ {1-C8}
5
SMIDI_TxD
CMIDI_RxD {1-B8}
12
CLK10EN
CLK10EN {5-B8}
10
LCDCONT
LCDCONT {3-C1}
14
RESET
2
3
4
5
U8
74VHC245
CA[01]
BD[15]
18
2
SD[15]
B[1]
A[1]
CA[00]
BD[14]
17
3
SD[14]
B[2]
A[2]
CA[21]
BD[13]
16
4
SD[13]
B[3]
A[3]
CA[20]
BD[12]
15
5
SD[12]
B[4]
A[4]
CA[19]
BD[11]
14
6
SD[11]
B[5]
A[5]
CA[18]
BD[10]
13
7
SD[10]
B[6]
A[6]
CA[17]
BD[09]
12
8
SD[09]
B[7]
A[7]
CA[16]
BD[08]
11
9
SD[08]
B[8]
A[8]
DIR G
CA[15]
BD[07]
18
2
SD[07]
R156
B[1]
A[1]
CA[14]
BD[06]
17
3
SD[06]
1K
B[2]
A[2]
CA[13]
BD[05]
16
4
SD[05]
B[3]
A[3]
CA[12]
BD[04]
15
5
SD[04]
B[4]
A[4]
CA[11]
BD[03]
14
6
SD[03]
B[5]
A[5]
CA[10]
BD[02]
13
7
SD[02]
B[6]
A[6]
CA[09]
BD[01]
12
8
SD[01]
B[7]
A[7]
CA[08]
BD[00]
11
9
SD[00]
B[8]
A[8]
U12
DIR G
74VHC245
R157
CA[07]
1
SD[15]
1K
CA[06]
RP1
2
SD[14]
CA[05]
10K
3
6
SD[13]
CA[04]
4
7
5
SD[12]
CA[03]
8
1
SD[11]
CA[02]
RP2
2
7
SD[10]
CA[01]
10K
3
8
6
SD[09]
CA[00]
VCC
4
5
SD[08]
1
SD[07]
RP3
2
SD[06]
10K
3
6
SD[05]
4
5
7
SD[04]
8
1
SD[03]
RP4
2
SD[02]
10K
3
6
SD[01]
4
5
7
SD[00]
8
VCC
+VBAT
C112
R152
.1uF
U36
100K
74HCU04
D9
LL4148
V
1
2
1
2
1
2
1
2
1
2
*
R151
R153
R158
Q9
150
1.0K
2.2K
MMBT2222
*
Indicates device is powered by +Vbat
+
C100
R56
10uF,35V
4.7K
1
2
S3
RESET
VCC
RESET
C101
.1uF
VCC
C102
.1uF
4
5
6
U2
K2600GL1.2
22V10isp-15
8_BIT
5
8_BIT_CS3
JANISCS
11
JANISCS
ONE_WS
2
U37
ONE_WS_CS1
74VHC245
CA[24]
16
CA24
18
2
SA[01]
CA[23]
13
FDCOUTCS
B[1]
A[1]
CA23
17
3
C/D
CA[22]
4
VCC
28
B[2]
A[2]
CA22
16
4
BA[21]
CA[21]
3
DGND
14
FDCCTRLCS
B[3]
A[3]
CA21
15
5
BA[20]
CA[20]
12
B[4]
A[4]
CA20
14
6
BA[19]
CA[04]
10
B[5]
A[5]
CA04
13
7
BA[18]
CA[03]
9
B[6]
A[6]
CA03
12
8
BA[17]
CA[02]
7
B[7]
A[7]
CA02
11
9
BA[16]
CA[01]
6
B[8]
A[8]
CA01
DIR G
TP35
TP36
U38
TP37
74VHC245
TP38
18
2
BA[15]
B[1]
A[1]
17
3
BA[14]
B[2]
A[2]
16
4
BA[13]
B[3]
A[3]
15
5
BA[12]
B[4]
A[4]
14
6
BA[11]
B[5]
A[5]
13
7
BA[10]
B[6]
A[6]
12
8
BA[09]
B[7]
A[7]
11
9
BA[08]
B[8]
A[8]
DIR G
U39
74VHC245
18
2
BA[07]
B[1]
A[1]
17
3
BA[06]
B[2]
A[2]
16
4
BA[05]
B[3]
A[3]
15
5
BA[04]
B[4]
A[4]
14
6
BA[03]
B[5]
A[5]
13
7
BA[02]
B[6]
A[6]
12
8
BA[01]
B[7]
A[7]
11
9
BA[00]
B[8]
A[8]
DIR G
R159
1K
U36
R160
9
8
*
10K
1
2
74HCU04
U36
11
10
*
U36
U36
3
4
5
6
74HCU04
*
*
74HCU04
74HCU04
U36
13
12
*
74HCU04
U42
3
4
U42
74HCU04
1
2
74HCU04
2
1
VCC
VCC
VCC
R161
6.2K
C103
C105
C107
.1uF
.1uF
.1uF
VCC
VCC
VCC
C104
C106
C108
.1uF
.1uF
.1uF
RDV0: No schematic change, rev changed to match PCB.
RCV0: No schematic change, rev changed to match PCB.
6
7
8
BD[15:00] {2-A1,3-A1,5-D1,6-C8}
SD[15:00] {1-A1}
SMPCS
A
17
PJANISCS
27
RP9
51
BJANISCS
1
BJANISCS {5-A1}
26
2
LCDCS
LCDCS {3-D1}
25
3
6
FDCOUTCS {3-B1}
24
4
5
7
FDCCS
FDCCS {3-B1}
19
8
RP10
51
23
1
SMPCS
SMPCS {1-B1}
21
2
IDPORTCS
IDPORTCS {6-D1}
20
3
6
ENVRAM2
ENVRAM2 {2-D1}
4
7
5
18
FDCCTRLCS {3-B1}
SCSICS
8
56
1
2
R16
PJANISCS {5-B1}
1
2
R17
SCSICS {4-B1}
56
B
SA[01] {1-B1}
C/D {3-D1}
BA[21:00] {2-A1,3-A1,4-B1,5-D1}
C
DACDA {5-D1}
VLSICLK {5-D1,6-A1,7-D1}
BH2TOPO {5-D1}
PWRMUTE {5-D1}
PWRUPRST {1-D1}
U42
13
12
74HCU04
U42
5
6
RESET {1-A1,3-B1}
74HCU04
RESET {2-B1,3-D1,4-B1,5-A1}
U42
9
8
DLY_RESET {2-D1}
74HCU04
D
C111
YOUNG CHANG CO., LTD.
47pF,NPO
Reproduction without the express written consent
of Young Chang Co., Ltd. is prohibited.
K2600 CPU BOARD
Connectors and Decoders
Filename:
021206D2
Date:
1/5/00
Eng:
By:
Mike Richmond
Mfg:
Sht.
Sht
Date:
8
8 of 8
of
8
Doc:
Eng:
Doc:
021206-001
Rev:
RDV2
7
8
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