Kurzweil PC2 Series, Service Manual

Page: 112 / 126

Kurzweil PC2 Series Service Manual
7-10
Connector Board (keyboard models)–Scanner (page 1 of 3)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
TP1
1
J308
WHEELS
1
+5VREF
5
AGND
6
NC
4
PRESSR
2
WHEEL1
3
WHEEL2
RP13
10K
1
2
3
4
5
6
7
8
RP9
10K
1
2
3
4
5
6
7
8
RP8 100
1
2
3
4 5
6
7
8
RP7 100
1
2
3
4 5
6
7
8
RP12 10K
1
2
3
4
5
6
7
8
RP10 10K
1
2
3
4
5
6
7
8
RP11 10K
1
2
3
4
5
6
7
8
RP5 100
1
2
3
4
5
6
7
8
RP6 100
1
2
3
4
5
6
7
8
RP1
100
1
2
3
4
5
6
7
8
RP4 100
1
2
3
4
5
6
7
8
RP3 100
1
2
3
4
5
6
7
8
RP2 100
1
2
3
4
5
6
7
8
J304
FRONT PANEL
20
+5V
12
COLA
9
COLB
10
COLC
11
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
L1
FE BEAD
2
1
L2
FE BEAD
1 2
C45
0.1uF
1
2
C3
1000pF
1
2
C2
1000pF
1
2
C1
1000pF
1
2
C5
33pF NPO
1
2
C4
33pF NPO
1
2
C6
1000pF
1
2
Y1
12.2880MHz
1 2
J306
FATAR_88_TREBLE
18
BR10
3
BR5
7
BR6
11
BR7
15
BR8
19
BR9
20
MK10
1
MK5
5
MK6
9
MK7
13
MK8
17
MK9
2
T0
4
T1
6
T2
8
T3
10
T4
12
T5
14
T6
16
T7
J307
FATAR_88_BASS
3
BR0
7
BR1
11
BR2
15
BR3
19
BR4
1
MK0
5
MK1
9
MK2
13
MK3
17
MK4
20
NC1
18
NC2
2
T0
4
T1
6
T2
8
T3
10
T4
12
T5
14
T6
16
T7
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]
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
M37451
CPU
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]
C49
0.1uF
1
2
R22
1.5K
1
2
R24
10K
1
2
R32
DNS
1
2
R34
DNS
1
2
R33
DNS
1
2
R11
1M
1 2
R12
10K
1 2
R1
10K
1 2
R16
1M
1 2
R147
10K
1 2
R144
10K
1 2
R14
10K
1 2
R20
110
1 2
R2
10K
1 2
R17
110
1 2
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
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Eng:
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Date:
of
Rev:
PC88 II CONNECTOR PCB
Scanner
DMH
021221-000 C V4
021221C4 9/29/00
1 3
PWRUPRST {3-A8}
RESET {3-B1}
INTMIDIRxD {2-B8}
TOUCHSENS {2-D5}
INTMIDITxD {2-B8}
IRQ {2-C8}
VCC
+VBAT
+5Vref {2-A1,C3}
EXPDL2 {2-B3} MUXA2 {2-C5}
MUXA1 {2-C5}
EXPDL1 {2-A3}
MUXA0 {2-C5}
RIBN_SLDR {2-C5}
PORT57
PORT56
BREATH {2-C3} PORT55
PORT67
PORT54
PORT66
PORT53
PORT65
PORT52
PORT64
PORT51
VCC
PORT50
VCC
PORT63
PORT57
VCC
PORT62
PORT56 PORT61
PORT55 PORT60
PORT54
VCC
PORT53
PORT52
PORT51
PORT50
PORT67
PORT66
VCC
PORT65
PORT64
PORT63
MONOSENS {3-D1}
PORT62
PORT61
FTSW3 {2-D8} +5Vref {02} PORT60
FTSW2 {2-C8}
FTSW1 {2-C8}
PORT60
VCC
PORT61
VCC
IACK {2-B8}
PORT62 PORT67
PORT63
PORT63 PORT66 BASS7
PORT62
TOUCH1 {2-D5}
PORT64 PORT65 BASS6
PORT61
PORT65 PORT64 BASS5
PORT60
TOUCH2 {2-D5}
PORT66 BASS4
PORT67 BASS3
TOUCH3 {2-D5}
BASS2
BASS1
BASS0
VCC
VCC
BASS7 BASS7 PORT57
BASS6 BASS6 PORT56
BASS5 BASS5 PORT55
BASS4 BASS4 PORT54
BASS3
BASS2
BASS3 PORT53
BASS1
BASS2 PORT52
BASS0
BASS1 PORT51
BASS0 PORT50
COMPONENTS TO KEEP NEARCONNECTORS
CONNECTOR COMPONENTS
J304
L2, R117, R20, RP6-8
J306 RP1-3
J307 RP4-5
J308 RP11,C1-3