Kurzweil CUP2, Руководство по обслуживанию

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1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
D4
1N5231
1
2
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
3
4
F2
2A, SLO-BLO, 250V
21
3
4
F5
4A, SLO-BLO, 250V
2 1
3 4
F6
4A, SLO-BLO, 250V
2 1
3 4
F3
2A, SLO-BLO, 250V
2 1
3 4
F4
2A, SLO-BLO, 250V
2 1
3 4
R82
100k Trimmer Top Adjust
4
1
3
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%
1
2
C77
.047uF,250V,20%
1
2
+
-
U1
TL072
5
6
7
+
-
U1
TL072
3
2
8
4
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
E C
Q1
PN2907
B
E C
D7
1N5234B
1
2
VR2
7915
1
GND
2
IN
3
OUT
- +
AC
AC
D1
100PIV, 8A
1
2
3
4
- +
AC
AC
D3
100PIV, 8A
1
2
3
4
C8
0.1uF
1
2
C83
DNS
1
2
C23
1000pf,X7R,50V
1
2
C22
1000pf,X7R,50V
1
2
C25
1000pf,X7R,50V
1
2
C24
1000pf,X7R,50V
1
2
C27
1000pf,X7R,50V
1
2
C26
1000pf,X7R,50V
1
2
C29
1000pf,X7R,50V
1
2
C28
1000pf,X7R,50V
1
2
C7
470pF
1
2
C6
0.1uF
1
2
Q12
PN2222
B
C
E
VR1
7815
2
GND
1
IN
3
OUT
+ C103
10uF,35V,ELEC,20%
1
2
+ C11
100uF,25V
12
+ C2
4700uF,35V
12
+ C5
10000uF,50V
12
+ C4
10000uF,50V
1
2
+ C1
4700uF,35V
1
2
+ C9
220uF,10V
1
2
+ C3
22000uF,16V
1
2
+ C10
100uF,25V
1
2
D2
MBR1535
K
A1
A2
D8
1N4002
12
R13
39k,1/8W,5%
12
R4
4.7k,5%,1/8W,MF
1
2
R99
DNS
12
R10
20K
12
R3
1K
1
2
R9
330
1
2
R2
1K
1
2
R1
1.5K
1
2
R11
2.2K
12
R123
DNS
1 2
R12
4.7K
1 2
R100
DNS
1 2
R7
100
1 2
R6
4.7k,5%,1/8W
1 2
R5
2.2K
1 2
R8
1K
1 2
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
1 3
+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
~15V
7VAC_HI
VCC
VCC 7VAC_LO
+15V
PWR_OK
24VRTN {3}
UNMUTE
VCC
PWR_OK
+8UNR
36VRTN {3} +15V
~15V
VCC
+15V
UNMUTE
CUP2 Service Manual
7- 10