Kurzweil PC2 Series Service Manual
7-16
Connector Board (rack 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
J304
FRONT PANEL
17
+5V
10
COLA
7
COLB
8
COLC
9
COLD
26
CONTHI
24
CONTLO
22
CTRL1
21
CTRL2
20
CTRL3
19
CTRL4
13
DGND1
16
DGND2
18
DGND3
23
DGND4
11
DRIVE
14
PHASEA
15
PHASEB
1
ROW0
2
ROW1
3
ROW2
4
ROW5
5
ROW6
6
ROW7
12
SENSE
25
WPR
U11
74HC4051
11
A
10
B
9
C
16
VDD
7
VEE
8
VSS
3
Y
13
Y0
14
Y1
15
Y2
12
Y3
1
Y4
5
Y5
2
Y6
4
Y7
6
G
TP3
1
TP2
1
TP1
1
RP9
10K
1
2
3
45
6
7
8
RP11 10K
1
2
3
45
6
7
8
RP10 10K
1
2
3
45
6
7
8
RP12 10K
1
2
3
45
6
7
8
RP6100
1
2
3
45
6
7
8
RP8100
1
2
3
4 5
6
7
8
RP7100
1
2
3
45
6
7
8
L1
FB2.5TSMT
12
L2
FB2.5TSMT
12
C45
0.1uF
12
C5
33pF NPO
12
C4
33pF NPO
12
Y1
12.2880MHz
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
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]
C3
0.1uF
12
C1
0.1uF
12
C2
0.1uF
12
C49
0.1uF
12
R148
1K
12
R24
10K
12
R32
DNS
12
R34
DNS
12
R33
DNS
12
R22
1.5K
12
R11
1M
12
R108
10K
12
R109
10K
12
R20
110
12
R3
10K
12
R1
10K
12
R2
10K
12
R12
10K
12
R147
10K
12
R144
10K
12
R14
10K
12
R16
1M
12
R17
110
12
Q18
MMBT2222
B
CE
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:
PC2 Rack Connector PCB
Scanner
D. O'Neill
021250-000 B V3
021250B3 9/29/2000
13
+VBAT
RESET {3-C1}
PWRUPRST {3-A8}
INTMIDIRxD {2-C7}
INTMIDITxD {2-C7}
IRQ {2-C7}
VCC
VCC
UNUSED
RIBN_SLDR
PORT57
PORT56
PORT55
PORT54
PORT53
VCC
PORT52
PORT51
VCC
PORT50
VCC
RIBN_SLDR
PORT57
VCC
PORT56
PORT55
PORT54
VOLUME
{3-A3}
VCC
PORT27
PORT26
PORT53
PORT25
PORT52
PORT24
PORT51
UNUSED
PORT23
PORT50
PORT22
VCC
VCC
PORT64
PORT64 PORT63
VCC VCC
PORT63 PORT62
PORT62 PORT61
PORT61
+5Vref {3-A3}
+12V
CONTRAST {2-C6}
~12V
PORT26
PORT27
PORT22
PORT25
PORT24
PORT23
BASS7
BASS7 PORT57
BASS6
BASS6 PORT56
BASS5
BASS5 PORT55
BASS2
BASS1
BASS0
PORT64 {2-C7}
BASS2 PORT52
BASS1 PORT51
BASS0 PORT50
COMPONENTS TO KEEP NEAR CONNECTORS
CONNECTOR COMPONENTS
J304 L2, R117, R20, RP6-8
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