Kurzweil K2600 Series Service Manual
7-29
Scanner Board (keyboard models)–Scanner Kybd I/F, Play I/F (1 of 2)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
C6
.1uF
12
C8
.1uF
12
C7
.1uF
12
C4
.1uF
12
C2
.1uF
12
C3
33pF,NPO
12
C1
33pF,NPO
12
C5
.1uF
12
U3 16V8-15
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
17
KCOLSTB
1
SD2
14
AUXIN1
15
AUXIN2
16
AUXOUT
18
EXTIRQ
11
OE
12
RAMCS
8
READ
13
RESET
19
ROMCS
9
WRITE
J705
20
+5V
9
COLA
10
COLB
11
COLC
12
COLD
15
DGND1
16
DGND2
19
DGND3
13
DRIVE
17
PHASEA
18
PHASEB
1
ROW0
2
ROW1
3
ROW2
4
ROW3
5
ROW4
6
ROW5
7
ROW6
8
ROW7
14
SENSE
J703
SELECT
1
5
34
6
2
U2
74HC541
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
G1
19
G2
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
U8
74HC273
11
CLK
3
D[1]
4
D[2]
7
D[3]
8
D[4]
13
D[5]
14
D[6]
17
D[7]
18
D[8]
1
CLR
2
Q[1]
5
Q[2]
6
Q[3]
9
Q[4]
12
Q[5]
15
Q[6]
16
Q[7]
19
Q[8]
U7
10
A00
9
A01
8
A02
7
A03
6
A04
5
A05
4
A06
3
A07
25
A08
24
A09
21
A10
23
A11
2
A12
26
A13
1
A14
11
D00
12
D01
13
D02
15
D03
16
D04
17
D05
18
D06
19
D07
20
CE
22
OE
27
WE
U4
10
A00
9
A01
8
A02
7
A03
6
A04
5
A05
4
A06
3
A07
25
A08
24
A09
21
A10
23
A11
2
A12
26
A13
27
A14
1
A15/VPP[32k]
11
D00
12
D01
13
D02
15
D03
16
D04
17
D05
18
D06
19
D07
20
CE
22
OE/VPP
J702
SLIDER
7
+5REF
5
ANGD2
3
MUXA1
4
MUXA2
1
AGND1
2
MUXA0
6
OUT
J701
PLAYER CONTROL
3
+5REF
2
-12V
10
KBDPRESS
8
MOD
5
MUXA1
6
MUXA2
9
PITCH
1
AGND
4
MUXA0
7
MUXOUT
J704
TP10 88 Keyboard
3
BR0B
23
BR0T
7
BR1B
27
BR1T
11
BR2B
31
BR2T
15
BR3B
35
BR3T
1
MK0B
21
MK0T
5
MK1B
25
MK1T
9
MK2B
29
MK2T
13
MK3B
33
MK3T
22
TT[0]
24
TT[1]
26
TT[2]
28
TT[3]
30
TT[4]
32
TT[5]
34
TT[6]
36
TT[7]
19
BR4B
39
BR4T
38
BR5T
2
BT[0]
4
BT[1]
6
BT[2]
8
BT[3]
10
BT[4]
12
BT[5]
14
BT[6]
16
BT[7]
17
MK4B
37
MK4T
40
MK5T
18
NC1
20
NC2
Y1
12.0000MHz
21
3
U5
74HC164
1
A
2
B
8
CLK
3
QA
4
QB
5
QC
6
QD
10
QE
11
QF
12
QG
13
QH
9
CLR
U6
74HC164
1
A
2
B
8
CLK
3
QA
4
QB
5
QC
6
QD
10
QE
11
QF
12
QG
13
QH
9
CLR
R5 1M12
R6 1K12
R7 1K12
R8 1K12
R9 1K12
R17 10K12
R16 10K12
R15 10K12
R14 10K12
R13 10K12
R12 10K12
R11 10K12
R7210K 12
R7110K 12
R7010K 12
R6910K 12
R6810K 12
R6710K 12
R6610K 12
R6510K 12
R43 10012
R44 10012
R46 10012
R45 10012
R28 10012
R27 10012
R26 10012
R6410K 12
R6310K 12
R6210K 12
R6110K 12
R6010K 12
R5910K 12
R5810K 12
R5710K 12
R54 10012
R53 10012
R52 10012
R51 10012
R50 10012
R49 10012
R48 10012
R47 10012
R41 10012
R40 10012
R39 10012
R38 10012
R37 10012
R36 10012
R35 10012
R34 10012
R33 10012
R32 10012
R31 10012
R30 10012
R29 10012
R23
0 ohm
12
R20
DNS
12
R42
0 ohm
12
R25
DNS
12
R24
100
12
R4
0 ohm
12
R1
1M
12
R10 1K12
R18
10K
12
R19
10K
12
R21
10K
12
R56
10K
12
R55
10K
12
R2
10 ohm
12
R22
10K
12
R3
1K
12
INT1/
D0/
D1/
D2/
D3/
D4/
D5/
D6/
D7/
WE/
RD/
WR/
CS/
A0/
RDY/
INT3/
INT2/
E/
A00/
A01/
A02/
A03/
A04/
A05/
A06/
A07/
TxD/
PWM/
A08/
A09/
A10/
A11/
A12/
A13/
A14/
A15/
EV1/
EV2/
EV3/
RxD/
/SLD0
/SLD1
/SLD2
/SLD3
/SLD4
/SLD5
/SLD6
/SLD7
U1
37451
21
RD
26
RESET
20
WR
65
AIN[0]
64
AIN[1]
63
AIN[2]
62
AIN[3]
61
AIN[4]
60
AIN[5]
59
AIN[6]
58
AIN[7]
71
AVCC
70
AVSS
31
CLKOUT
25
MODE
11
P[50]
10
P[51]
9
P[52]
8
P[53]
7
P[54]
6
P[55]
5
P[56]
4
P[57]
22
R/W
24
RESETOUT
23
SYNC
72
VCC
69
VREFADC
68
VREFDAC
32
VSS1
73
VSS2
28
XIN
29
XOUT
67
DAC1
66
DAC2
57
P[00]
56
P[01]
55
P[02]
54
P[03]
53
P[04]
52
P[05]
51
P[06]
50
P[07]
49
P[10]
48
P[11]
47
P[12]
46
P[13]
45
P[14]
44
P[15]
43
P[16]
42
P[17]
40
P[20]
39
P[21]
38
P[22]
37
P[23]
36
P[24]
35
P[25]
34
P[26]
33
P[27]
3
P[30]
2
P[31]
79
P[32]
78
P[33]
77
P[34]
76
P[35]
75
P[36]
74
P[37]
19
P[60]
18
P[61]
17
P[62]
16
P[63]
15
P[64]
14
P[65]
13
P[66]
12
P[67]
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 KEYBOARD SCANNER
Scanner,Kbd I/F,Player I/F
Mike Richmond
021208A3 RAV3
021208A3 2000/11/02
12
BATSENSE {2-D7}
AUXO[7:0]
AUXO[7:0]
CPDL1SNS {2-A8}
CPDL2SNS {2-A8}
BRTHSNS {2-A8}
SMIDI_TxD {2-C1}
SMIDI_RxD {2-D7}
VCC VCC
VCC
SA[15]
SA[13]
VCC
AUXO[2] SA[14]
SA[14]
AUXO[1] SA[13]
AUXO[0] SA[12] SD[7]
SA[12]
SA[11] SD[6] SD[7] SD[7] AUXO[7]
SA[11]
SA[10] SD[5] SD[6] SD[6] AUXO[6]
SA[10]
~12V
SA[09] SD[4] SD[5] SD[5] AUXO[5]
SA[09]
SA[08] SD[3] SD[4] SD[4] AUXO[4]
VCC
SA[08]
SA[07] SD[2] SD[3] SD[3] AUXO[3]
SA[07]
SA[06] SD[1] SD[2] SD[2] AUXO[2]
SA[06]
SA[05] SD[0] SD[1] SD[1] AUXO[1]
SA[05]
SA[04] SD[0] SD[0] AUXO[0]
SA[04]
+5Vref {2-A1,A3,A4,C3,C4}
SA[03]
SA[03] AUXOUT
SA[15] SA[02]
SA[02] RESET
SA[14] SA[01]
SA[01]
SA[13] SA[00]
SA[00]
AUXO[2] RB[7] SA[12] AUXO[6]
AUXO[1] RB[6] SA[11] AUXO[7]
AUXO[0] RB[5] SA[10]
RB[4] SA[09]
RB[3] SA[08]
AUXO[5]
RB[2] AUXO[4]
RB[1] SA[07] AUXO[3]
RB[0] SA[06] SA[15:00]
SA[05] BT[7]
SD[7:0]
SA[04] BT[6]
CPDL2 {2-A8} SA[03] BT[5]
CPDL1 {2-A8} SA[02] BT[4]
SWR
SA[01] BT[3]
SD[2]
RB[7:0]
SRD SA[00] BT[2]
+5Vref {2-A1,A3,A4,C3,C4}
BT[1]
SA[15]
SD[7] BT[0]
SA[14]
SD[6]
SA[13]
SD[5]
SA[12]
SD[4]
SA[11]
EXTIRQ {2-C1}
RESET SD[3]
SA[10]
SD[2]
SD[1]
SRD
SD[0]
+5Vref {2}
SWR
RA[7]
RA[6]
VCC VCC VCC
VCC
RA[5]
RA[4]
RA[3]
RA[2]
RA[1]
VCC
RA[0]
CLK12
VCC
RB[7]
RB[6]
RB[5]
RB[4]
RB[3]
RB[2]
VCC
AUXIN1 RB[1]
RB[0]
VCC
VCC
RA[7]
SD[7]
RA[6]
SD[6]
SA[00] RA[5]
RESET {2-D3,D7}
SD[5]
RA[4]
EXTIAK {2-D7}
SD[4]
RA[3]
PDL1 {2-C8}
SD[3]
RA[2]
PDL2 {2-B8}
SD[2]
RA[1]
PDL3 {2-B8}
SD[1]
RA[0]
PDL4 {2-A8}
SD[0]
RA[7] BT[7] BT[7] RB[7]
RA[6] BT[6] BT[6] RB[6]
RA[5] BT[5] BT[5] RB[5]
RA[4] BT[4] BT[4] RB[4]
RA[3] BT[3] BT[3] RB[3]
RA[2] BT[2] BT[2] RB[2]
RA[1] BT[1] BT[1] RB[1]
RA[0] BT[0] BT[0] RB[0]
RA[7:0]
RB[7:0]
All resistors are 5% unless specified otherwise.
All capacitors are Z5U unless specified otherwise.
5-6 = OPTION
3-4 = DIAGS
1-2 = 76 KEYS
+5Vref {2-A1,A3,A4,C3,C4}
To Next Page
Loading...
Need help?
General
