Kurzweil CUP2 Service Manual page 77

5
IN IN FROWN FROWN J9 J9
OUT OUT OUT/ THRU OUT/ THRU
2 2 2 2 2 2
4 4 5 5 4 4 5 5 4 4 5 5
3 3
1 1 1 1 3 3 1 1 3 3
D
56 56
VCC5 VCC5
R19 R19
C18 C18
R17 R17 R18 R18 R23 R23
110 110 110 110 110 110 R24 R24 1000pF 1000pF
110 110
R25 R25
C21 C21 C24 C24
1000pF 1000pF 1000pF 1000pF VCC5
C19 C19
R29 R29
1000pF 1000pF R28 R28 10K 10K
220 220 U15B U15B
4 3
C22 C22 74LS05 74LS05 VCC5
1000pF 1000pF
C
R27 R27
220 220
U15D U15D
8 9
74LS05 74LS05
74LS05 74LS05
13 12
U15F U15F C41 C41
R63 R63 R64 R64
LINE_LEFT- 270pF 270pF
4.53K 4.53K 4.53K 4.53K
C42 C42
1000pF 1000pF 2
ENGINE R70 R70 R71 R71
LINE_LEFT+ 3
AUDIO
4.53K 4.53K 4.53K 4.53K
J13 J13 C43 C43
B
270pF 270pF
1 R73 R73
L+
2
11.8K 11.8K
L-
3
GND
4
R+
5
R-
6
MUTE
HEADER 6 HEADER 6
R80 R80 R81 R81
LINE_RIGHT-
4.53K 4.53K 4.53K 4.53K
C51 C51
1000pF 1000pF
R84 R84 R85 R85
LINE_RIGHT+
4.53K 4.53K 4.53K 4.53K
R87 R87 R86 R86
11.8K 11.8K
10 10
A
VCC5
R42 R42
U15E U15E
1.0K 1.0K
11 10
74LS05 74LS05
5
4
Usage table for U14, R21, R22, R62
U14
VCC5
PC910
6N138
R20 R20 56 56
R21 R21
10K 10K R22 R22 6N139
C20 C20 270 270
1000pF 1000pF D1 D1
U14 U14
LL4148 LL4148 2
6
56 56 R26 R26 56 56
3 R62 R62
510 510
C23 C23
1000pF 1000pF 6N138 6N138
IN
U15A U15A MIDI
THRU
2 1
1
MIDI_TXD
74LS05 74LS05 2
MIDI_RXD
3
SCAN_TXD
4
SCAN_RXD
5
LCD_CONT
R30 R30 6
AES_OUT
10K 10K U15C U15C 7
GND
OUT 8
NC
6 5
74LS05 74LS05 HEADER 8 HEADER 8
R65 R65
11.8K 11.8K
U16A U16A
- -
1
SLIDER IN TO
+ +
AUDIO BOARD
NJM4580E NJM4580E
J14 J14
1
LEFT
2
AGND
R74 R74 3
RIGHT
4
+15
5
11.8K 11.8K
-15
C47 C47 HEADER 5 HEADER 5
270pF 270pF +15V
C50 C50
U16B U16B
6 0.1uF 0.1uF DC POWER FROM
- -
7
AUDIO BOARD
5
+ +
NJM4580E NJM4580E
J15 J15
C55 C55 8
UNMUTE
C53 C53 7
PWR_OK
270pF 270pF 0.1uF 0.1uF 6
+8 UNR
5
+15V
4
-15V
-15V
3
AGND
2
VCC
1
DGND
HEADER 8 HEADER 8
4
3
Use only one row
R22 R21 R62
3K 10K 5.6K
270 DNS 510
F1 F1
1
270 DNS 510
2
5mm 5mm
C34 C34 1.6A/240V
L
3.0A/120V
2200pF 1KV 2200pF 1KV
AC ENTRY AC ENTRY
J22 J22 E
C35 C35
N
2200pF 1KV 2200pF 1KV
F2 F2
1
2
5mm 5mm
J8 J8
1.6A/240V
3.0A/120V
J23 J23
HEADER 4 HEADER 4
POWER SWITCH
R43 R43
LINE I/O
AUDIO I/O FROM 10K 10K
J20 RCA J20 RCA
AUDIO BOARD
6 LEFT IN
J17 J17
R44 R44 5
1 10K 10K
LEFT IN
2 4
RIGHT IN
RIGHT IN
3
AGND1
4
LEFT OUT
5 3
LEFT OUT
RIGHT OUT
6
L SWITCHED
7 2
R SWITCHED
8
AGND2
1 RIGHT OUT
HEADER 8 HEADER 8
+15V
1mH 1mH
+15V
+15V
-15V
L2 L2 VCC5 R58 R58
-15V
4.7K 4.7K D3 D3
BAS40 BAS40
VCC5
3 1
FBEAD_2.5T_SMT FBEAD_2.5T_SMT
+ +
C29 C29 R59 R59 C56 C56
0.1uF 0.1uF 4.7uF 4.7uF
2.0K 2.0K
3
2
3
4
R52 R52
L3 L3
1 2
220 1W 220 1W
C36 C36
4 3
2200pF 1KV 2200pF 1KV
C33 C33
0.22uF 0.22uF
DLW21HN900SQ2 DLW21HN900SQ2
3
4
USB CONTROL
J10 J10
VBUS
/HOST_EN
/HOST_FLG
GND
HEADER 4 HEADER 4
USB DATA
J11 J11
D-
D+
+15V
SHLD
HEADER 3 HEADER 3
R46 R46
8.2K 8.2K
2
MMBT2907 MMBT2907
1
VCC5
Q2 Q2
R47 R47
3
R45 R45
10K 10K 1
R54 R54
PH-MUTE 10K 10K
20K 20K
D2 D2
PHONES FROM
LL4148 LL4148
AUDIO BOARD
J16 J16
1
LEFT OUT
2
LEFT RTN
3
AGND
VCC5 4
CHGND
5
RIGHT RTN
6
RIGHT OUT
DC POWER OUT
HEADER 6 HEADER 6
TO ENGINE BOARD
L4 L4
J25 J25
1
DGND
2
Y Y Young Chang R&D Institute
VCC
3
-VANA
4
1432 Main St.
AGND
5
Waltham MA 02451
+VANA
6 USA Copyright 2008 Young Chang Co., Ltd.
/PWRUPRESET
Reproduction without the express written consent of Young Chang Co., Ltd. is prohibited.
HEADER 6 HEADER 6
Title
Compact Upright Interface Board
-15V
Size By
R. Bryan
Date: Wednesday, October 06, 2010
2
CUP2 Service Manual
1
D
TRANSFORMER PRIMARY
J24 J24
1
115V-A
2
115V-B
3 115V
115V-C
4
230/115V
5
230V-C
6 230V
230V-B
7
230V-A
HEADER 7 HEADER 7
1 VCC33
2 R31 R31
C
3
4
10K 10K
2 1
J12 J12
D- VBUS
1 5 6
S1 S2
2
3
D+ GND
USB-B USB-B
3 4
3
Q1 Q1
B
MMBT2222A MMBT2222A
2
PH-L
LS1 LS1
9
8
7
2
3
4
1
10
5VDC 5VDC
PH-R
A
Document Number Rev
021412-001 RCV1
Sheet 2 of 2
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