Kurzweil K2600 Series, Руководство по обслуживанию

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Kurzweil K2600 Series Service Manual
7-6
CPU Board–SCSI Interface (4 of 8)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
R162
2A
1 2
D6
S1A(1N4001)
1 2
U15
UC5608QP
20
1
3
10
4
11
5
12
6
13
7
14
8
15
9
16
10
17
11
18
21
2
22
3
23
4
24
5
25
6
26
7
27
8
28
9
19
DISCONN
12
GND1
13
GND2
14
GND3
15
GND4
16
GND5
17
GND6
18
GND7
2
REG
1
TRMPWR
DGND
VCC
U14
53C80
23
3 12 31 36 42
14
A[0]
15
A[1]
16
A[2]
9
DRQ
28
D[0]
27
D[1]
26
D[2]
25
D[3]
24
D[4]
22
D[5]
21
D[6]
20
D[7]
8
IRQ
13
READY
17
CS
11
DACK
10
EOP
19
RD
7
RESET
35
SDBP
18
WR
33
ACK
6
ATN
4
BSY
30
C/D
32
I/O
29
MSG
34
REQ
2
RST
37
SBD[0]
38
SBD[1]
39
SBD[2]
40
SBD[3]
41
SBD[4]
43
SBD[5]
44
SBD[6]
1
SBD[7]
5
SEL
J816
EXTERNAL SCSI
26
MT1
27
MT2
25
TPWR
5
ACK
17
ATN
6
BSY
15
C/D
20
DBP
8
DB[0]
21
DB[1]
22
DB[2]
10
DB[3]
23
DB[4]
11
DB[5]
12
DB[6]
13
DB[7]
24
GND[26]
18
GND[27]
16
GND[28]
14
GND[29]
9
GND[30]
7
GND[31]
3
I/O
2
MSG
1
REQ
4
RST
19
SEL
J817
EXTERNAL SCSI
26
MT1
27
MT2
25
TPWR
5
ACK
17
ATN
6
BSY
15
C/D
20
DBP
8
DB[0]
21
DB[1]
22
DB[2]
10
DB[3]
23
DB[4]
11
DB[5]
12
DB[6]
13
DB[7]
24
GND[26]
18
GND[27]
16
GND[28]
14
GND[29]
9
GND[30]
7
GND[31]
3
I/O
2
MSG
1
REQ
4
RST
19
SEL
J818
INTERNAL SCSI
26
TPWR
38
ACK
32
ATN
36
BSY
46
C/D
18
DBP
2
DB[0]
4
DB[1]
6
DB[2]
8
DB[3]
10
DB[4]
12
DB[5]
14
DB[6]
16
DB[7]
20
GND[26]
22
GND[27]
24
GND[28]
28
GND[29]
30
GND[30]
34
GND[31]
50
I/O
42
MSG
48
REQ
40
RST
44
SEL
19
GND[10]
21
GND[11]
23
GND[12]
25
GND[13]
27
GND[14]
29
GND[15]
31
GND[16]
33
GND[17]
35
GND[18]
37
GND[19]
1
GND[1]
39
GND[20]
41
GND[21]
43
GND[22]
45
GND[23]
47
GND[24]
49
GND[25]
3
GND[2]
5
GND[3]
7
GND[4]
9
GND[5]
11
GND[6]
13
GND[7]
15
GND[8]
17
GND[9]
S2
1
2
3
+
C54
4.7uF,6.3V,TANT
1
2
+
C55
4.7uF,6.3V,TANT
1
2
+
C53
4.7uF,35V,ELEC
1
2
L6
1
2
U13
74HC04
1 2
U13
74HC04
5 6
U13
74HC04
3 4
R82
220
1
2
R83
330
1
2
R87
DNS
1
2
R97
10K
1
2
R84
10K
1
2
R81
10K
1
2
C52
1000pF,X7R
1
2
C59
.1uF
1
2
C58
.1uF
1
2
C57
.1uF
1
2
C56
.1uF
1
2
R88
100
1 2
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 CPU BOARD
SCSI Interface
Mike Richmond
021206-001 RDV2
021206D2 1/5/00
4 8
VCC VCC VCC VCC
VCC VCC
SCSIDRQ
SCSIDRQ {1-A1,D2}
SCSIIRQ
SCSIIRQ {1-C8}
BD[15:08]
BD[15] SD7 SD7
BD[14] SD6 SD6
BD[13] SD5 SD5
BD[12] SD4 SD4
BD[11] SD3 SD3
BD[10] SD2 SD2
BD[09] SD1 SD1
BD[08] SD0 SD0
BA[21:00] {2-A1,3-A1,5-D1,8-C8} SDBP SDBP
BA[02]
BA[01]
SRST SRST
BA[00] SBSY SBSY
SSEL SSEL
SCSICS {8-B8}
SACK SACK
CPUOE {1-D8,2-D1,3-B1,6-C1}
SATN SATN
CPUWE_HI {1-D8,2-D1,3-B1}
SREQ SREQ
SI/O SI/O
SC/D SC/D
SMSG SMSG
SCSIDACK {1-D2}
SCSIEOP {1-A8}
RESET {2-B1,3-D1,5-A1,8-D8}
VCC
VCC
SCSI_DISCON {6-A8}
VCC
VCC
VCC
SCSISNS2 {6-B1}
SCSISNS1 {6-B1}
SCSISNS0 {6-B1}
VCC
SCSIVCC
TERMPWR
AUTO
OFF
SCSI
THRU
SCSI
INT.
SCSI
All resistors are 5% unless specified otherwise.
All capacitors are X7R unless specified otherwise.
Date:
Sht. 4 of 8
Eng:
Doc: