Kurzweil PC2 Series Service Manual
7-8
Front Panel and IBBB Board (keyboard models)–FP Buttons and LEDs (page 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
J602
FP BRIDGE
4
COL0
5
COL1
6
COL2
7
COL3
1
LEDROW1
2
LEDROW2
8
NC
3
SWROW
U2
74HC145
15
A
14
B
13
C
12
D
1
0
2
1
3
2
4
3
5
4
6
5
7
6
9
7
10
8
11
9
J604
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
J601
IBBB
5
COL4
1
LEDROW0
2
LEDROW1
3
SWROW0
4
SWROW1
C4
0.1uF
12
C3
0.1uF
12
C2
0.1uF
12
R26 10K
12
R25 10K
12
R23 10K
12
R24 10K
12
R22 10K
12
R21 10K
12
R20 10K
12
R18 10K
12
R19 10K
12
R17 10K
12
R10
10K
12
R14
10K
12
R15
10K
12
R13
10K
12
R12
10K
12
R11
10K
12
R9
10K
12
R16
10K
12
R7
15
12
R1
15
12
R2
15
12
R3
15
12
R4
15
12
R5
15
12
R6
15
12
+
C6
470uF 6V
12
+
C1
470uF 6V
12
R8
1
12
D38
RED
12
D5
RED
12
D63
RED
12
D12
RED
12
D11
RED
12
D10
RED
12
D9
RED
12
D16
RED
12
D15
RED
12
D14
RED
12
D24
RED
12
D23
RED
12
D22
RED
12
D21
RED
12
D20
RED
12
D32
RED
12
D37
RED
12
D36
RED
12
D35
RED
12
D34
RED
12
D33
GREEN
12
D44
RED
12
D43
RED
12
D42
RED
12
D41
GREEN
12
D40
RED
12
D53
RED
12
D52
RED
12
D51
RED
12
D50
RED
12
D49
GREEN
12
D48
RED
12
D66
RED
12
D69
RED
12
D68
RED
12
D67
RED
12
D57
RED
12
D60
RED
12
D59
RED
12
D58
RED
12
D56
RED
12
D55
RED
12
D29
RED
12
D28
RED
12
D27
RED
12
D26
RED
12
D4
RED
12
D3
RED
12
D2
RED
12
D1
RED
12
Q9
2SA1271
B
EC
Q10
2SA1271
B
EC
Q11
2SA1271
B
EC
Q13
2SA1271
B
EC
Q14
2SA1271
B
EC
Q15
2SA1271
B
EC
Q17
2SA1271
B
EC
Q16
2SA1271
B
EC
Q12
2SA1271
B
EC
Q8
2SA1271
B
EC
Q1
2N2222
B
CE
Q2
2N2222
B
CE
Q3
2N2222
B
CE
Q4
2N2222
B
CE
Q7
2N2222
B
CE
Q5
2N2222
B
CE
Q6
2N2222
B
CE
U1
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]
U3
74HC373
3
D[1]
4
D[2]
7
D[3]
8
D[4]
13
D[5]
14
D[6]
17
D[7]
18
D[8]
11
G
1
OE
2
Q[1]
5
Q[2]
6
Q[3]
9
Q[4]
12
Q[5]
15
Q[6]
16
Q[7]
19
Q[8]
SP1
SW ROTARY
2
COMMON
1
PHASEA
3
PHASEB
S53
TACT
32
S54
TACT
32
S45
TACT
32
S63
TACT
32
S64
TACT
32
S68
TACT
32
S67
TACT
32
S70
TACT
32
S69
TACT
32
S65
TACT
32
S66
TACT
32
S59
TACT
32
S58
TACT
32
S61
TACT
32
S60
TACT
32
S55
TACT
32
S56
TACT
32
S57
TACT
32
S62
TACT
32
S52
TACT
32
S48
TACT
32
S49
TACT
32
S50
TACT
32
S51
TACT
32
S37
TACT
32
S32
TACT
32
S33
TACT
32
S34
TACT
32
S35
TACT
32
S36
TACT
32
S38
TACT
32
S39
TACT
32
S20
TACT
32
S21
TACT
32
S22
TACT
32
S23
TACT
32
S24
TACT
32
S25
TACT
32
S14
TACT
32
S15
TACT
32
S16
TACT
32
S17
TACT
32
S18
TACT
32
S19
TACT
32
S8
TACT
32
S7
TACT
32
S12
TACT
32
S9
TACT
32
S10
TACT
32
S11
TACT
32
S13
TACT
32
S44
TACT
32
S40
TACT
32
S41
TACT
32
S42
TACT
32
S43
TACT
32
S46
TACT
32
S47
TACT
32
S5
TACT
32
S26
TACT
32
S27
TACT
32
S28
TACT
32
S29
TACT
32
S30
TACT
32
S31
TACT
32
S1
TACT
32
S2
TACT
32
S3
TACT
32
S4
TACT
32
S6
TACT
32
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:
PC 88 II FRONT PANEL and IBBB
FP Buttons and LEDs
DMHDMH
021199-000 B V1
021199B1 11/29/99
12
COL0
COL0
COL1
COL2
COL3
COL4
COL5
COL6
COL7
COL8
COL9
COL1
COL2
COL3
COL4
COL5
COL6
COL7
COL8
COL9
VCC
COL0
VCC
COL1
COL2
COL3
COL4
COL5
COL6
COL7
COL8
COL9
ROW7
ROW6
ROW5
ROW4
ROW3
ROW2
ROW1
ROW0
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
VCC
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
VCC
Legend
ZPt4
IBBB 1
IBBB 2
Et1
CANCELSPb3SPt3
SPt2
SPb2
ZPt4SPt1
Eb1Et1
SPb3SPt3
SPt2
SPb2
SPt1
321
MPt3
MPt2 MPt1
6
5
4
ZPb3
SS1 SSSt9 SSSt8 SSSb8
SSSt11 SSSt10 SSSb10 SSSb11
SSSb7
SSSb3
SSSb1
GFEEQ
FEEQ
MPt1MPt2
MPt3
SSSt11 SSSt10 SSSb10 SSSb11ZPb3
SS1 SSSt9 SSSt8 SSSb8 SSSb7
CLEAR
column # left to right
Stand Alone Effects LEDs
Effects
Midi Parameters
Sound Parameters
Sound Source
Zone Parameters
middle row
top row
bottom row
Sound/Setup/Select
ELED
E
MP
SP
SS
ZP
1-11
m
b
t
SSS
GREEN
RED
ZPt3
ZONE 2
ZONE 2
GREEN
RED
ZPb2
ZPb1
ZONE 3
ZONE 3
GREEN
RED
SPb1
SSSt6
ZONE 4
ZONE 4
Et3
SS4
SSSt4
SSSt3
SOLO
SSSb5
SSSt2
SSSt7
SSSt1
Eb3
Eb2
G
ENTER
Eb3
Eb2
-
+
Eb1
SSSb9
SSSb6
SSSb4
SSSt7
SSSt1
9
Et3
SS4
SSSt4
SOLO
SSSt3
SPb1
SSSt6
ZONE 4
ZPb2
ZPb1
ZONE 3
ZPt3
>>>
<<<
ZONE 2
0
+/-
SSSb5
SSSt2
GREEN
RED
8
7
Et2
SS3
ZPt2 SS2
SSSt5ZPt1
ZONE 1
Et2
SS3
SSSb9SS2ZPt2
ZPt1 SSSt5 SSSb6
SSSb4
IBBB 2
IBBB 1
ZONE 1
ZONE 1
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