Kurzweil CUP2, Service Manual

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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.
2 2
2
1
D
A
OUT
THRU
MIDI
USB CONTROL
USB DATA
IN
ENGINE
AUDIO SLIDER IN TO
AUDIO BOARD
DC POWER FROM
AUDIO BOARD
LINE I/O
LEFT IN
RIGHT IN
LEFT OUT
RIGHT OUT
PHONES FROM
AUDIO BOARD
AUDIO I/O FROM
AUDIO BOARD
1.6A/240V
3.0A/120V
1.6A/240V
3.0A/120V
POWER SWITCH
TRANSFORMER PRIMARY
115V
230V
E
L
N
DC POWER OUT
TO ENGINE BOARD
R62
5.6K
510
510 6N139
270 DNS
Use only one row
U14 R22 R21
3K 10K PC910
Usage table for U14, R21, R22, R62
6N138
270 DNS
VCC33
VCC5
VCC5
+15V
VCC5
+15V
-15V
VCC5
VCC5
VCC5
VCC5 VCC5
VCC5
+15V
-15V
+15V
-15V
Y Y
5 6
1 2
3 4
3 4
8
7
6
5
4
3
2
1
1
2
3
4
1
2
3
4
5
6
7
8
1
2
3
4
8
9
7
3
2
4
10
1
13 12
1 2
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
2
3
7 8
6
5
1
2
3
4
5
6
1
2
3
4
5
6
7
3
2
1
1
2
3
4
5
6
1
2
3
1
2
3
4
5
6
7
8
1
3
2
1 2 3 4
11 10
22 23
4 6 2 7 5
11 13 9 14 12 24 18 20 16 21 19 25
1 3 8
15 17 10
1 2
3 4
6
UNMUTE
PWR_OK
+8 UNR
+15V
-15V
AGND
VCC
DGND
LEFT IN
RIGHT IN
AGND1
LEFT OUT
RIGHT OUT
L SWITCHED
R SWITCHED
AGND2
VBUS
/HOST_EN
/HOST_FLG
GND
LEFT
AGND
RIGHT
+15
-15
DGND
VCC
-VANA
AGND
+VANA
/PWRUPRESET
LEFT OUT
LEFT RTN
AGND
CHGND
RIGHT RTN
RIGHT OUT
115V-A
115V-B
115V-C
230/115V
230V-C
230V-B
230V-A
L+
L-
GND
R+
R-
MUTE
D-
D+
SHLD
MIDI_TXD
MIDI_RXD
SCAN_TXD
SCAN_RXD
LCD_CONT
AES_OUT
GND
NC
HOT-HI
HOT-
LO
W
NEUT-H
I
NEUT-L
OW
VBUS D-
D+ GND
S2 S1
5
1
2
3
9 8
6
LIN
LINE_LEFT-
LINE_RIGHT-
LI
PH-MUTE
PH-L
PH-R
+15V
-15V
VCC5
5
7
8
4
-
+
-
+
OUT OUT/ THRU
IN FROWN
1 1 1
2 2 2
3 3
3
4 4 4 5
5
5
OUT OUT/ THRU
IN FROWN
1 1 1
2 2 2
3 3
3
4 4 4 5
5
5
+ +
+
-
+
-
1 3
2
U15C
74LS05
U15C
74LS05
R42
1.0K R42
1.0K
C20
1000pF C20
1000pF
L3
DLW21HN900SQ2
L3
DLW21HN900SQ2
C47
270pF C47
270pF
R62
510 R62
510
U15B
74LS05
U15B
74LS05
J15
HEADER 8
J15
HEADER 8
F2
5mm
F2
5mm
C22
1000pF
C22
1000pF
J17
HEADER 8
J17
HEADER 8
C35
2200pF 1KV
C35
2200pF 1KV
R58
4.7K
R58
4.7K
R54
20K
R54
20K
R71
4.53K
R71
4.53K
C23
1000pF C23
1000pF
J10
HEADER 4
J10
HEADER 4
R44
10K
R44
10K
C18
1000pF
C18
1000pF
R70
4.53K
R70
4.53K
LS1
5VDC
LS1
5VDC
U15F
74LS05
U15F
74LS05
U15A
74LS05
U15A
74LS05
R63
4.53K
R63
4.53K
J14
HEADER 5
J14
HEADER 5
R74
11.8K
R74
11.8K
C41
270pF
C41
270pF
R46
8.2K
R46
8.2K
R52
220 1W
R52
220 1W
C29
0.1uF
C29
0.1uF
J25
HEADER 6
J25
HEADER 6
J20 RCA J20 RCA
R87
10
R87
10
F1
5mm
F1
5mm
R59
2.0K
R59
2.0K
U14
6N138
U14
6N138
J16
HEADER 6
J16
HEADER 6
R81
4.53K
R81
4.53K
L2
FBEAD_2.5T_SMT
L2
FBEAD_2.5T_SMT
J24
HEADER 7
J24
HEADER 7
R21
10K
R21
10K
U16A
NJM4580E
U16A
NJM4580E
J13
HEADER 6
J13
HEADER 6
R65
11.8K
R65
11.8K
C33
0.22uF
C33
0.22uF
R86
11.8K R86
11.8K
C24
1000pF C24
1000pF
C51
1000pF C51
1000pF
C53
270pF
C53
270pF
J11
HEADER 3
J11
HEADER 3
J22
AC ENTRY
J22
AC ENTRY
J8
HEADER 8
J8
HEADER 8
D2
LL4148
D2
LL4148
Q1
MMBT2222A Q1
MMBT2222A
C34
2200pF 1KV
C34
2200pF 1KV
J23
HEADER 4
J23
HEADER 4
C42
1000pF C42
1000pF
R84
4.53K
R84
4.53K
U15E
74LS05
U15E
74LS05
R31
10K
R31
10K
R45
10K
R45
10K
R22
270 R22
270
C50
0.1uF
C50
0.1uF
R73
11.8K R73
11.8K
C36
2200pF 1KV
C36
2200pF 1KV
R43
10K
R43
10K
J9 J9
C21
1000pF
C21
1000pF
C56
4.7uF
C56
4.7uF
R29
10K R29
10K
C55
0.1uF
C55
0.1uF
R80
4.53K
R80
4.53K
J12
USB-B
J12
USB-B
R26 56 R26 56
R30
10K R30
10K
C43
270pF
C43
270pF
R27
220
R27
220
Q2
MMBT2907
Q2 MMBT2907
R85
4.53K
R85
4.53K
R24
110 R24
110
R64
4.53K
R64
4.53K
U15D
74LS05
U15D
74LS05
D1
LL4148
D1
LL4148
R25 56 R25 56
R18
110 R18
110
C19
1000pF
C19
1000pF
R20 56 R20 56
R23
110 R23
110
L4
1mH
L4
1mH
R19
56
R19
56
R47
10K
R47
10K
R28
220
R28
220
U16B
NJM4580E
U16B
NJM4580E
D3
BAS40
D3
BAS40
R17
110
R17
110
RCV1 R. Bryan 021412-001
CUP2 Service Manual
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