Compact Upright Control Board - Kurzweil CUP2 Service Manual

5
VCC5
D
C1 C1
0.1uF 0.1uF
VCC5
C
C2 C2
0.1uF 0.1uF
J1 J1
20
GND
19
SPRES
18
GND
17 C3 C3
WEN_LED
47pF 47pF
16
GND
15
GND
14
LR7
13
LR6
12
LR5
11
LR4
10
LR3
VCC5 9
LR2
8
LR1
7
LR0
26 6
NC SR1
25 5
PH-R SR0
24 4
PH-L VOL HI
23 3
B
MUTE VOL W
22 2 VOLUME
AGND VOL LO
21 1
VCC5 GND
HEADER 13X2 HEADER 13X2
2
R1 R1
220 220 POWER
D14 D14
2 1
LTL-4221N LTL-4221N
J4 J4
3
5
R2 R2 4
301K 1% 301K 1%
2
1
1/8" 1/8"
J5 J5
A
3
5
R3 R3 4
301K 1% 301K 1%
2
1
1/8" 1/8"
5
4
14
U1 U1
1 3 C0 C0
VCC
A Q0
2 4 C1
B Q1
5 C2 MMBT2907 MMBT2907
Q2
8 6
C3
2
CLK Q3
10 C4
Q4
9 11 C5 1 Q1 Q1
CLR Q5
12 C6
Q6
13 C7
Q7
GND 3
7
74HCT164 74HCT164
BC0
14
U2 U2
1 3 C8 APTD3216SURCK APTD3216SURCK
VCC
A Q0
2 4 C9
B Q1
5 C10 1
Q2
8 6 C11
CLK Q3
10 LR6
Q4
9 11
CLR Q5
12 APTD3216SURCK APTD3216SURCK
Q6
13
Q7
GND
1
7
74HCT164 74HCT164 LR5
APTD3216SURCK APTD3216SURCK
1
LR4
APTD3216SURCK APTD3216SURCK
1
LR6
LR5
LR4 LR3
LR3
LR2 APTD3216SURCK APTD3216SURCK
LR1
LR0 1
LR2
APTD3216SURCK APTD3216SURCK
1
1
LR1
10K LIN 10K LIN
BC0
VR1 VR1
CW
3
VOLUME BC0
INCREASE
PIANO LAYER
SW1 SW1 SPST SPST SW2 SW2
1 3 1
2 4 2
VOICE F1
SW7 SW7 SPST SPST SW8 SW8
1 3 1
2 4 2
4
3
C[0:11]
C1 C2 C3 C4 C5 C6
MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907
2 2 2 2 2
1 Q2 Q2 1 Q3 Q3 1 Q4 Q4 1 Q5 Q5 1 Q6 Q6 1
3 3 3 3 3
BC1 BC2 BC3 BC4 BC5
LR[0:6]
APTD3216SURCK APTD3216SURCK
D1 D1 D7 D7
2 PIANO 1 2 VOICE
APTD3216SURCK APTD3216SURCK
D2 D2 D8 D8
2 LAYER 1 2 F1
APTD3216SURCK APTD3216SURCK
D3 D3 D9 D9
2 1 2
F2 SPLIT
LR6
LR5
APTD3216SURCK APTD3216SURCK LR4
D4 D4 D10 D10 LR3
2 RHYTHM 1 2 F3
LR2
LR1
LR0
APTD3216SURCK APTD3216SURCK
D5 D5 D11 D11
2 NEXT 1 2 RECORD
APTD3216SURCK APTD3216SURCK
D6 D6 D12 D12
2 PLAY 1 2 PREVIOUS
BC1
BC1 BC2 BC3 BC4
F2 RHYTHM NEXT
SPST SPST SW3 SW3 SPST SPST SW4 SW4 SPST SPST SW5 SW5 SPST SPST SW6 SW6
3 1 3 1 3 1 3 1
4 2 4 2 4 2 4 2
SPLIT F3 RECORD PREVIOUS
SPST SPST SW9 SW9 SPST SPST SW10 SPST SW10 SPST SW11 SPST SW11 SPST SW12 SPST SW12 SPST
3 1 3 1 3 1 3 1
4 2 4 2 4 2 4 2
3
2
C7 C8 C9 C10 C11
MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907 MMBT2907
2 2 2 2 2
Q7 Q7 1 Q8 Q8 1 Q9 Q9 1 Q10 Q10 1 Q11 Q11 1
3 3 3 3 3
BC6 BC7 BC8 BC9 BC10
BC[0:11]
1
D15 D15
1 3 10 7 8
D13 D13
C1
C1 C2 C3 C4 C5
LR6 12
R1
12 LR5 11
R1 R2
11 7X5 7X5 LR4 2
R2 R3
2 LR3 9
R3 R4
DOT DOT
9 LR2 4
R4 R5
4 5
LR1
R5 R6
5 MATRIX MATRIX LR0 6
R6 R7
6
R7
TC07-11YWA TC07-11YWA
TC07-11YWA TC07-11YWA
LEFT
BC[0:11]
BC5
PLAY
SPST SPST
3
4
3
Young Chang R&D Institute
4
1432 Main St.
Waltham MA 02451
USA Copyright 2008 Young Chang Co., Ltd.
Reproduction without the express written consent of Young Chang Co., Ltd. is prohibited.
Title

Compact Upright Control Board

Size By
R. Bryan
Date: Friday, May 14, 2010
2
CUP2 Service Manual
1
VCC5
RN1 RN1
BC0 1 8
BC1 2 7
BC2 3 6
BC3 4 5
3.3K 3.3K
2
D
Q12 Q12 RN2 RN2
BC4 1 8
BC5 2 7
3
3 6
BC6
BC7 4 5
BC11 3.3K 3.3K
RN3 RN3
BC8 1 8
BC9 2 7
BC10 3 6
4 5
BC2 BC11
BC3
BC4 3.3K 3.3K
BC5
BC6
BC7
BC8
BC9
C
BC10
BC11
3 10 7 8
C2 C3 C4 C5
7X5 7X5
DOT DOT
MATRIX MATRIX
BC[0:11]
RIGHT
B
A
Document Number Rev
021413-001 RAV1
Sheet 1 of 1
1
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