Front Panel And Ibbb Board (Keyboard Models)-Fp Buttons And Leds (Page 1 Of 2 - Kurzweil PC2 Series Service Manual

Kurzweil PC2 Series Service Manual
1
U2
74HC145
0
15
A 1
2
14
B 3
4
13
C 5
SP1 6
12
D 7
1
A
PHASEA 8
2
COMMON 9
3
PHASEB
VCC
SW ROTARY
R17 10K
1
VCC
R18 10K
1
J604
FRONT PANEL R19 10K
1
20 +
C1
+5V
19 R20 10K
470uF 6V
DGND3 1
16
DGND2
15 R21 10K
DGND1 1
18 R22 10K
PHASEB 1
17
PHASEA
R23 10K
1
14
SENSE
13 R24 10K
DRIVE
1
12 R25 10K
COLA 1
11
COLD
10 R26 10K
COLC 1
9
COLB
8 ROW7
ROW7
7 ROW6 R8
B
ROW6
6 ROW5 1
ROW5
5 ROW4
ROW4
4 ROW3
ROW3
3 ROW2
ROW2
2 ROW1
ROW1
1 ROW0
ROW0
+
C6
470uF 6V
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
C
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
VCC
C2 C3 C4
0.1uF 0.1uF 0.1uF
D
1
7-8
Front Panel and IBBB Board (keyboard models)–FP Buttons and LEDs (page 1 of 2)
2 3
1 COL0
2 COL1
3 COL2
4 COL3
5 COL4
E C
6 COL5
7 COL6 Q8
9 COL7 2SA1271
10 COL8
11 COL9
Q1 R1 ZONE 1
2N2222 15 RED
C E 1 2
2 COL0
2 COL1
ZONE 1
Q2 R2
2 COL2 GREEN
2N2222 15
C E 1 2
2 COL3
2 COL4 ZPt1
RED
2 COL5
Q3 R3 D1
2N2222 15
2 COL6
C E 1 2
2 COL7
ZPt2
2 COL8
RED
Q4 R4 D2
2 COL9
2N2222 15
C E 1 2
SPt1
RED
Q5 R5 D3
2N2222 15
C E 1 2
MPt2
RED
Q6 R6 D4
2N2222 15
C E 1 2
U3
74HC373
1 MPt3
OE
11
G RED
3 2 Q7 R7 D5
D[1] Q[1]
4 5 2N2222 15
D[2] Q[2]
7 6 C E 1 2
D[3] Q[3]
8 9
D[4] Q[4]
13 12
D[5] Q[5]
14 15
D[6] Q[6]
17 16
D[7] Q[7] ZONE 1
18 19
D[8] Q[8]
U1
74HC541
18 2
B[1] A[1]
17 3
B[2] A[2]
16 4
B[3] A[3]
15 5 ZPt1
B[4] A[4]
14 6 3 2
B[5] A[5]
13 7
S1
B[6] A[6]
12 8 TACT
B[7] A[7]
11 9
B[8] A[8]
ZPt2
G2 G1 3 2
S2
TACT
SPt1
3 2
J602
S3
FP BRIDGE
TACT
1
LEDROW1
2
LEDROW2 MPt2
3
SWROW
3 2
4
COL0
S4
5
COL1 TACT
6
COL2
7
COL3
8 MPt3
NC
3 2
J601
S5
IBBB TACT
1
LEDROW0
2 1
LEDROW1
3 3 2
SWROW0
4
S6
SWROW1
5 TACT
COL4
2 3
4 5
E C E C E C E C
Q9 Q10 Q11 Q12
2SA1271 2SA1271 2SA1271 2SA1271
ZONE 2 ZONE 3 ZONE 4 IBBB 1
RED RED RED
ZONE 2 ZONE 3 ZONE 4 IBBB 2
GREEN GREEN GREEN
ZPb1 SSSt6 SSSt5
RED RED RED
D14 D20 D26
ZPt3 ZPb2 SS1 SS2
RED RED RED RED
D9 D15 D21 D27
ZPt4 ZPb3 SPb1 SS3
RED RED RED RED
D10 D16 D22 D28
MPt1 SPt2 Et2
RED RED RED
D11 D23 D29
SPb2 SPt3
RED RED
D12 D24
ZONE 2 ZONE 3 ZONE 4 IBBB 2
<<<
3 2
IBBB 1
S7
TACT
>>> ZPb1 SSSt6 SSSt5
3 2 3 2 3 2 3 2
S8 S14 S20 S26
TACT TACT TACT TACT
ZPt3 ZPb2 SS1 SS2
3 2 3 2 3 2 3 2
S9 S15 S21 S27
TACT TACT TACT TACT
ZPt4 ZPb3 SPb1 SS3
3 2 3 2 3 2 3 2
S10 S16 S22 S28
TACT TACT TACT TACT
MPt1 4 SPt2 Et2
3 2 3 2 3 2 3 2
S11 S17 S23 S29
TACT TACT TACT TACT
SPb2 5 SPt3 7
3 2 3 2 3 2 3 2
S12 S18 S24 S30
TACT TACT TACT TACT
2 6 3 8
3 2 3 2 3 2 3 2
S13 S19 S25 S31
TACT TACT TACT TACT
4 5
6 7
E C E C E C E C
Q13 Q14 Q15 Q16
2SA1271 2SA1271 2SA1271 2SA1271
SOLO EQ E F
RED RED RED RED
D32 D40 D48 D55
SSSt3 SSSt2 SSSt1 SSSb4
GREEN GREEN GREEN RED
D33 D41 D49 D56
SSSt4 SSSb5 SSSt7 SSSb6
RED RED RED RED
D34 D42 D50 D57
SSSt9 SSSt8 SSSb8 SSSb9
RED RED RED RED
D35 D43 D51 D58
SS4 SSSt11 SSSt10 SSSb10
RED RED RED RED
D36 D44 D52 D59
Et3 Et1 Eb1
RED RED RED
D37 D53 D60
SPb3
RED
D38
SOLO EQ E F G
3 2 3 2 3 2 3 2 3
S32 S40 S48 S55
TACT TACT TACT TACT TACT
SSSt3 SSSt2 SSSt1 SSSb4 SSSb1
3 2 3 2 3 2 3 2 3
S33 S41 S49 S56
TACT TACT TACT TACT TACT
SSSt4 SSSb5 SSSt7 SSSb6 SSSb3
3 2 3 2 3 2 3 2 3
S34 S42 S50 S57
TACT TACT TACT TACT TACT
SSSt9 SSSt8 SSSb8 SSSb9 SSSb7
3 2 3 2 3 2 3 2 3
S35 S43 S51 S58
TACT TACT TACT TACT TACT
SS4 SSSt11 SSSt10 SSSb10 SSSb11
3 2 3 2 3 2 3 2 3
S36 S44 S52 S59
TACT TACT TACT TACT TACT
Et3 CLEAR Eb1
Et1
3 2 3 2 3 2 3 2 3
S37 S45 S53 S60
TACT TACT TACT TACT TACT
SPb3 +/- CANCEL -
3 2 3 2 3 2 3 2 3
S38 S46 S54 S61
TACT TACT TACT TACT TACT
9 0 + ENTER
3 2 3 2 3 2 3
S39 S47 S62
TACT TACT TACT TACT
6 7
8
Legend
E C
SSS Sound/Setup/Select
top row
t
Q17
2SA1271
b bottom row
A
m middle row
G
1-11 column # left to right
RED
ZP Zone Parameters
D63
SS Sound Source
SP Sound Parameters
MP Midi Parameters
E Effects
ELED Stand Alone Effects LEDs
SSSb7
RED
D66
B
SSSb11
RED
D67
Eb2
RED
D68
Eb3
RED
D69
2
VCC
R11
S63
10K
1 2
C
2
R12
S64
10K
1 2
2
R13
S65
10K
1 2
R14
2
10K
S66
1 2
R15
10K
2 1 2
S67
R9
10K
1 2 R16
Eb2
10K
2
R10 1 2
S68
10K
1 2
Eb3
2
D
YOUNG CHANG CO., LTD.
S69
Reproduction without the express written consent
of Young Chang Co., Ltd. is prohibited.
2
PC 88 II FRONT PANEL and IBBB
S70
FP Buttons and LEDs
Filename: 021199B1 Date: 11/29/99
Eng: DMH By: DMH
Mfg: Sht 1 of 2
Doc: 021199-000 Rev: B V1
8