Connector Board (Rack Models)-Scanner (Page 1 Of 3 - Kurzweil PC2 Series Service Manual

Kurzweil PC2 Series Service Manual
1
R11
+VBAT
1M
1 2
RESET {3-C1}
A
RIBN_SLDR
VCC
R1
10K
1 2
B
R2
10K
1 2
VCC
C
J304
FRONT PANEL
26
CONTHI
25
WPR
24
CONTLO
22
CTRL1
21
CTRL2
20
CTRL3
19
CTRL4
17 1 2
+5V
L2
15
PHASEB
14 FB2.5TSMT R20
PHASEA
R17 110
12 110 1
SENSE
11 1 2
DRIVE
10
COLA
9
COLD
8
COLC
7
COLB
6 BASS7
ROW7 BASS7
5 BASS6
ROW6 BASS6
D
4 BASS5
ROW5 BASS5
3 BASS2
ROW2
2 BASS1
ROW1
1 BASS0
ROW0
BASS2
23
DGND4 BASS1
18
DGND3 BASS0
16
DGND2
13
DGND1
1
7-16
Connector Board (rack models)–Scanner (page 1 of 3)
2 3
C45
0.1uF
VCC
1 8 PORT57
2 7 PORT56
3 6 PORT55
4 5 PORT54
VCC RP10 10K
1 8 PORT53
2 7 PORT52
3 6 PORT51
4 5 PORT50
RP12 10K
VCC
R24
10K
2 PORT26
PORT27
100 RP6
1 8 PORT22
2 7 PORT25
3 6 PORT24
4 5 PORT23
4 5 PORT57
3 6 PORT56
2 7 PORT55
1 8
100 RP7
4 5
3 6 PORT52
2 7 PORT51
1 8 PORT50
100 RP8
2 3
4 5
VCC
66
DAC2
67
DAC1
1 8
U1
2 7 74
M37451 P[37]
3 6 75
24 P[36]
4 5 RESETOUT 76
UNUSED TxD/ P[35]
58 77
AIN[7] RxD/ P[34]
59 78
RP11 10K AIN[6] PWM/ P[33]
60 79
AIN[5] EV3/ P[32]
61 2
AIN[4] EV2/ P[31]
62 3
AIN[3] EV1/ P[30]
63
AIN[2]
64 42
AIN[1] A15/ P[17]
65 43
AIN[0] A14/ P[16]
44
A13/ P[15]
PORT57 4 45
P[57] /SLD7 A12/ P[14]
PORT56 5 46
P[56] /SLD6 A11/ P[13]
PORT55 6 47
P[55] /SLD5 A10/ P[12]
PORT54 7 48
P[54] /SLD4 A09/ P[11]
PORT53 8 49
P[53] /SLD3 A08/ P[10]
PORT52 9
P[52] /SLD2
PORT51 10 50
P[51] /SLD1 A07/ P[07]
PORT50 11 51
P[50] /SLD0 A06/ P[06]
52
A05/ P[05]
VCC 23 53
TP1 SYNC A04/ P[04]
54
A03/ P[03]
22 55
R/W A02/ P[02]
20 56
R22 WR A01/ P[01]
21 57
1.5K RD A00/ P[00]
31 33
CLKOUT D7/ P[27]
29 34
XOUT D6/ P[26]
28 35
R16 XIN D5/ P[25]
36
1M D4/ P[24]
26 37
1 2 RESET D3/ P[23]
38
D2/ P[22]
69 39
VREFADC D1/ P[21]
C49
12.2880MHz 68 40
VREFDAC D0/ P[20]
0.1uF
1 2 71
AVCC
70 12
AVSS WE/ WR/ P[67]
Y1 13
VCC RD/ E/ P[66]
72 14
C4 C5 VCC CS/ P[65]
73 15
33pF NPO 33pF NPO VSS2 A0/ P[64]
32 16
VSS1 RDY/ P[63]
17
INT3/ P[62]
25 18
MODE INT2/ P[61]
+5Vref {3-A3} 19
INT1/ P[60]
CPU
PORT64 {2-C7}
4 5
6 7
R12
VCC
10K
1 2
R32 R33 R34
DNS DNS DNS
R14
10K R144
1 2 10K R147
1 2 10K
1 2
U11
VCC
74HC4051
9 16
C VDD
10
B
11
A
13 3
Y0 Y RIBN_SLDR
14
Y1
15
Y2
12 8
Y3 VSS
1 7
VOLUME
Y4 VEE
5 R3
{3-A3}
Y5
2 10K
PORT27 Y6
4 6 1
Y7 G
PORT26
PORT25
PORT24
PORT23 UNUSED
PORT22
RP9
VCC
10K
1 8 PORT64
PORT64 2 7 PORT63
PORT63 3 6 PORT62
PORT62 4 5 PORT61
PORT61
R108
+12V
10K
1 2
1 2
10K
~12V
R109
C1 C2 C3
0.1uF 0.1uF 0.1uF
TP2
6 7
8
PWRUPRST {3-A8}
INTMIDIRxD {2-C7}
INTMIDITxD {2-C7}
IRQ {2-C7}
A
COMPONENTS TO KEEP NEAR CONNECTORS
CONNECTOR COMPONENTS
J304 L2, R117, R20, RP6-8
B
2
C
B Q18
MMBT2222
1 2
CONTRAST {2-C6}
1K
R148
TP3
D
YOUNG CHANG CO., LTD.
Reproduction without the express written consent
of Young Chang Co., Ltd. is prohibited.
PC2 Rack Connector PCB
Scanner
Filename: 021250B3 Date: 9/29/2000
Eng: By: D. O'Neill
Mfg: Sht 1 of 3
Doc: 021250-000 Rev: B V3
8