Kurzweil CUP2 - Page 78

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12345678
A
B
C
D
A
B
C
D
D4
1N5231
12
JP3
DNS
1
2
3
J1
DNS
2
+9
3
AGND
4
DGND
1
UNMUTE
VR3
DNS
1
ADJ
3
IN
2
OUT
J513
DNS
5
+15V
6
+8UNR
4
-15V
3
AGND
1
DGND
9
FCC_SHLD
7
PWR_OK
8
UNMUTE
2
VCC
F1
2A, SLO-BLO, 250V
21
34
F2
2A, SLO-BLO, 250V
21
34
F5
4A, SLO-BLO, 250V
21
34
F6
4A, SLO-BLO, 250V
21
34
F3
2A, SLO-BLO, 250V
21
34
F4
2A, SLO-BLO, 250V
21
34
R82
100k Trimmer Top Adjust
4
13
2
JP2
DNS
2
1
JP1
INSTALL FOR TEST ONLY!!
2 1
J502
DC POWER
5
+15V
6
+8UNR
4
-15V
3
AGND
1
DGND
7
PWR_OK
8
UNMUTE
2
VCC
J510
DNS
1
22V_A
3
22V_B
2
22V_CT
4
7V_A
6
7V_B
5
7V_CT
J501
AC LOW
4
24V_A
6
24V_B
5
24V_CT
1
32V_A
3
32V_B
2
32V_CT
7
7V_A
9
7V_B
8
7V_CT
XP3
In Front of D1
1
XP1
Lower Left
1
XP7
Upper Right
1
XP2
Middle Bottom
1
C76
.047uF,250V,20%
12
C77
.047uF,250V,20%
12
+
-
U1
TL072
5
6
7
+
-
U1
TL072
3
2
84
1
GJ3
24VRTN to AGND
2
1
GJ4
36VRTN to AGND
2
1
GJ1
DGND TO Chassis GND
2
1
GJ2
AGND TO Chassis GND
2
1
Q16
DNS
D
G
S
Q2
IRFZ20
D
G
S
Q13
PN2907
B
EC
Q1
PN2907
B
EC
D7
1N5234B
12
VR2
7915
1
GND
2
IN
3
OUT
-+
AC
AC
D1
100PIV, 8A
1
23
4
-+
AC
AC
D3
100PIV, 8A
1
23
4
C8
0.1uF
12
C83
DNS
12
C23
1000pf,X7R,50V
12
C22
1000pf,X7R,50V
12
C25
1000pf,X7R,50V
12
C24
1000pf,X7R,50V
12
C27
1000pf,X7R,50V
12
C26
1000pf,X7R,50V
12
C29
1000pf,X7R,50V
12
C28
1000pf,X7R,50V
12
C7
470pF
12
C6
0.1uF
12
Q12
PN2222
B
C
E
VR1
7815
2
GND
1
IN
3
OUT
+C103
10uF,35V,ELEC,20%
12
+C11
100uF,25V
12
+C2
4700uF,35V
12
+C5
10000uF,50V
12
+C4
10000uF,50V
12
+C1
4700uF,35V
12
+C9
220uF,10V
12
+C3
22000uF,16V
12
+C10
100uF,25V
12
D2
MBR1535
K
A1
A2
D8
1N4002
12
R13
39k,1/8W,5%
12
R4
4.7k,5%,1/8W,MF
12
R99
DNS
12
R10
20K
12
R3
1K
12
R9
330
12
R2
1K
12
R1
1.5K
12
R11
2.2K
12
R123
DNS
12
R12
4.7K
12
R100
DNS
12
R7
100
12
R6
4.7k,5%,1/8W
12
R5
2.2K
12
R8
1K
12
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
MARK 5/10 AUDIO PCB - MARK 112 VERSION
Power Supply and Reset, MIDI
Bob Budd
021179-01 RDV1
021179D1-112 2000/09/11
13
+36V {3}
36VAC_HI
~36V {3}
36VAC_LO
+15V
AMPUNMUTE {3}
UNMUTE {2,3}
~24 {3} +24 {3}
36VRTN {3}
UNMUTE
22VAC_HI
24VRTN {3}
24V/22V_A
~15V
7V_A
7V_B
24V/22V_B
22VAC_LO
24VRTN {3}
UNMUTE
PWR_OK
+8UNR
+15V
~15V7VAC_HI
VCC
VCC7VAC_LO
+15V
PWR_OK
24VRTN {3}
UNMUTE
VCC
PWR_OK
+8UNR
36VRTN {3} +15V
~15V
VCC
+15V
UNMUTE
CUP2 Service Manual
7- 10