5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
BASS
TREBLE
SCANPORT
PEDALS
CONTROL PANEL
CC PEDAL
NOMINAL
5.1V
VCC33
VCC33
VCC5
VCC33
VCC5
+5REF
VCC5
VCC5
VCC5
+15V
-15V
+5REF
VCC33
VCC33
VCC33
VCC33
VCC33
VCC33
VCC5
+15V
+5REF
+5REF
Size
Document Number
Rev
Date:
Sheet
of
Reproduction without the express written consent of Young Chang Co., Ltd. is prohibited.
By
Title
Compact Upright Interface Board
Young Chang R&D Institute
1432 Main St.
Waltham MA 02451
Wednesday, October 06, 2010
USA
Copyright 2008 Young Chang Co., Ltd.
1
2
VOL 0
2
VOLHI
4
SR1
6
LR1
8
LR3
10
LR5
12
LR7
14
GND
16
GND
18
GND
20
AGND
22
PH-L
24
NC
26
GND
1
VOLW
3
SR0
5
LR0
7
LR2
9
LR4
11
LR6
13
GND
15
WENLED
17
SPRES
19
VCC5
21
MUTE
23
PH-R
25
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
OE
19
DIR
1
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
VCC
20
GND
10
1
2
3
2
4
5
3
1
5
3
4
2
6
EN
6
GND
8
A0
11
A1
10
A2
9
VDD
16
VEE
7
X
3
X0
13
X1
14
X2
15
X3
12
X4
1
X5
5
X6
2
X7
4
OUT
1
IN
8
GND
2
GND
3
GND
6
GND
7
1
2
3
4
8
7
6
5
GND
7
CLK
8
CLR
9
VCC
14
QA
3
QB
4
QC
5
QD
6
QE
10
QF
11
QG
12
QH
13
A
1
B
2
1
2
3
4
8
7
6
5
GND
7
CLK
8
CLR
9
VCC
14
QA
3
QB
4
QC
5
QD
6
QE
10
QF
11
QG
12
QH
13
A
1
B
2
1
2
6
8
4
1
2
3
4
8
7
6
5
D7
2
D5
4
D3
6
D1
8
DGND1
10
BLANK
12
REN_KY
14
EN_AN
16
AGND1
18
ANAIN_N
20
ANAOUT1
22
DGND3
24
RFU2
26
Vcc33
1
D6
3
D4
5
D2
7
D0
9
RES
11
DGND2
13
REN_SW
15
WEN_LED
17
ANAIN_P
19
AGND2
21
ANAOUT2
23
RFU1
25
GND
7
CLK
8
CLR
9
VCC
14
QA
3
QB
4
QC
5
QD
6
QE
10
QF
11
QG
12
QH
13
A
1
B
2
MK5
1
BR5
3
MK6
5
BR6
7
MK7
9
BR7
11
MK8
13
BR8
15
MK9
17
BR9
19
T0
2
T1
4
T2
6
T3
8
T4
10
T5
12
T6
14
T7
16
BR10
18
MK10
20
MK0
1
BR0
3
MK1
5
BR1
7
MK2
9
BR2
11
MK3
13
BR3
15
MK4
17
BR4
19
T0
2
T1
4
T2
6
T3
8
T4
10
T5
12
T6
14
T7
16
NC
18
NC
20
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OE
1
CLK
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
VCC
20
GND
10
COM
1
RIGHTPDL
2
CNTRPDL
3
LEFTPDL
4
1
2
3
4
8
7
6
5
3
2
1
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
5
3
7
+
+
+
+
-
+
-
+
+
-
+
-
6
5
7
8
4
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
SPD2
SPD3
SPD4
SPD5
SPD6
SPD7
SPD1
SPD0
SPD2
SPD1
SPD0
RPDL
CPDL
LPDL
VOL
KBR0
KBR1
KBR2
KBR3
KBR4
KBR5
KBR6
KBR7
KBR0
KBR1
KBR2
KBR3
KBR4
KBR5
KBR6
KBR7
KBR0
KBR1
KBR2
KBR3
KBR4
KBR5
KBR6
KBR7
KBR[0:7]
KBR0
KBR1
KBR2
KBR3
KBR4
KBR5
KBR6
KBR7
SPD7
SPD6
SPD5
SPD4
SPD3
SPD2
SPD1
SPD0
CCPDL
SPANAIN_P
SPANAIN_N
SPREN_AN_L
SPREN_AN_L
SPREN_KY_L
SPRES_L
SPANAIN_N
SPANAIN_P
SPREN_KY_L
SPRES_L
PH-MUTE
PH-L
PH-R
-15V
VCC5
+15V
OE
1
CLK
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
VCC
20
GND
10
C31
1000pF
C31
1000pF
R13
10.0K
R13
10.0K
R12
10.0K
R12
10.0K
J7
HEADER 13X2
J7
HEADER 13X2
U13
74HC245
U13
74HC245
R49
2.7K
R49
2.7K
C8
0.1uF
C8
0.1uF
R16
150
R16
150
R11
10.0K
R11
10.0K
R50
1.0K
R50
1.0K
R51
2.7K
R51
2.7K
Q3
MMBT2907
Q3
MMBT2907
C30
0.1uF
C30
0.1uF
R6
10K
R6
10K
R8
10K
R8
10K
C12
22pF
C12
22pF
C16
0.1uF
C16
0.1uF
U6
NC7S04
U6
NC7S04
J21
1/4"
J21
1/4"
R61
220
R61
220
U8
74HC4051
U8
74HC4051
R10
10K
R10
10K
C3
0.1uF
C3
0.1uF
R89
680
R89
680
C15
0.1uF
C15
0.1uF
U18
LM78L05
U18
LM78L05
R48
33
R48
33
C13
0.1uF
C13
0.1uF
R14
10.0K
R14
10.0K
C32
1000pF
C32
1000pF
RN4
3.3K
RN4
3.3K
U10
74HC164
U10
74HC164
RN6
150
RN6
150
C6
0.1uF
C6
0.1uF
U11
74HC164
U11
74HC164
C17
0.1uF
C17
0.1uF
U4A
NC7WZ125
U4A
NC7WZ125
RN2
47
RN2
47
R2
10K
R2
10K
J1
HEADER 13X2
J1
HEADER 13X2
U12
74HC164
U12
74HC164
J4
HEADER 10X2
J4
HEADER 10X2
C9
0.1uF
C9
0.1uF
J5
HEADER 10X2
J5
HEADER 10X2
R55
14.0K 1%
R55
14.0K 1%
C5
100uF
C5
100uF
R5
10K
R5
10K
U7
74HCT374
U7
74HCT374
C10
0.1uF
C10
0.1uF
R7
10K
R7
10K
R60
220
R60
220
C11
10uF
C11
10uF
J3
HEADER 4
J3
HEADER 4
R9
10K
R9
10K
RN5
150
RN5
150
U9A
NJM4580E
U9A
NJM4580E
RN3
3.3K
RN3
3.3K
RN1
47
RN1
C39
47pF
C39
47pF
R88
680
R88
680
U4B
NC7WZ125
U4B
NC7WZ125
U9B
NJM4580E
U9B
NJM4580E
R15
150
R15
150
C14
0.1uF
C14
0.1uF
R56
1.00K 1%
R56
1.00K 1%
R57
1.00K 1%
R57
1.00K 1%
C1
0.1uF
C1
0.1uF
U2
74HCT374
U2
74HCT374
L1
FBEAD_2.5T_SMT
L1
FBEAD_2.5T_SMT
C7
0.1uF
C7
0.1uF
R1
10K
R1
10K
R53
100K
R53
100K
RCV1
R. Bryan
021412-001
CUP2 Service Manual
7- 8
Summary of Contents for CUP2
Page 26: ...Printed Circuit Boards Control Panel PCB 2 14...
Page 54: ...Disassembly Assembly Keyboard Assembly 4 22...
Page 62: ...Troubleshooting Maintenance Interconnect Diagram 5 8...
Page 68: ...Replacement Parts 6 6...
Page 70: ...Schematics 7 2...
Page 82: ...Schematics 7 14...