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SCALE:
SHEET: OF
REVISION RECORD
COMPANY:
TITLE:
A
B
C
D
DATE:
1
2
3
4
5
6
D
C
B
A
CODE:
SIZE:
DRAWING NO:
REV:
LTR
ECO NO:
APPROVED:
PRE-AMP POWER SUPPLY
CH1 AMP POWER SUPPLY
CSMA160V/260V/1120V/2120V/1240V PSU
AC INLET
AC POWER INPUT
011
PHANTOM POWER SUPPLY
Digital POWER SUPPLY Digital
To Transformer AC INPUT
Power switch
L
N
SEE NOTE:
C9, C10
CSMA160V
CSMA1120V
CSMA1240V
CSMA260V
CMA2120V
2200uF/50V
3300uF/63V
2200uF/50V
4700uF/87V
3300uF/63V
CH2 AMP POWER SUPPLY
D3,R5,R6,C28,C29,C30,C31,C33,F8,F9,J10,J11 NO USE IN CSMA2260V,CSMA2120V
2015-11-13
1.
2.
P=10mm
P=10mm
P=10mm
P=10mm
P=10mm
F1
C28, C29
F6.3A/250V
F8A/250V
F8A/250V
F5A/250V
F6.3A/250V
3.
F2, F3
CSMA160V
CSMA1120V
CSMA1240V
CSMA260V
CMA2120V
F8, F9
F6.3A/250V
F6.3A/250V
F8A/250V
F4A/250V
F4A/250V
F8A/250V
F10A/250V
F10A/250V
F6.3A/250V
F8A/250V
F1
@230VAC
@120VAC
N.I
N.I
ALL N.I. FOR 1-CH VERSION
ORANGE
GREEN
YEL-WHT-YEL
•••••••••••••••••
1
2
3
J3
3Pin2.54mm
D10
1N4007
D11
1N4007
D12
1N4007
D13
1N4007
C3
1000uF
35V
C4
1000uF
35V
IN
GND
OUT
U1
7815
C5
1000u
25V
C6
1000u
25V
GND
IN
OUT
U2
7915
D4
1N4007
D5
1N4007
-
+
AC
AC
4
1
3
2
D2
DC GBK25G
C9
SEE NOTE 2
C10
SEE NOTE 2
W1
W3
W2
1
2
F1
NOTED 3
J2
3Pin 3.96mm
R1
47K
1/4W
R2
47K
1/4W
D14
1N4007
D15
1N4007
D16
1N4007
D17
1N4007
C15
470u
35V
1
2
J4
2Pin 2.54mm
R9
4.7k
1/4W
C16
47uF
35V
1
2
3
Q1
2N5551
Q2
2N5551
R10
10R
1/4W
R11
10R
1/4W
C17
100uF
35V
C24
104
C25
104
C26
104
D22
1N4007
D23
1N4007
D24
1N4007
D25
1N4007
J5
2Pin 3.96mm
C558
4700uF
6.3V
C548
4700uF
10V
C1
104
C2
104
PC1
PC2
1
2
3
4
J7
C22
104
C7
104
C11
0.1uF
250V
D9
27V
1
2
F2
NOTE 3
1
2
F3
NOTE 3
-
+
AC
AC
4
1
3
2
D3
DC GBK25G
C28
SEE NOTE 2
C29
SEE NOTE 2
J10
3Pin 3.96mm
R5
47K
1/4W
R6
47K
1/4W
1
2
3
4
J11
1
2
F8
NOTE 3
1
2
F9
NOTE 3
C32
0.1uF
250V
C33
0.1uF
250V
C34
0.1uF
250V
C37
0.47uF
275V X2
1
2
3
J1
3Pin 3.96mm
C13
0.01uF
250 Y1
C12
0.01uF
250 Y1
D7
3.9V
R8
470
1W
C14
47u
16V
P1
P2
P3 P4
R13
20K
1/4W
1
2
J6
TO POWER SWITCH
R15
0.22 1/2W
FUSIBLE
R16
0.22 1/2W
FUSIBLE
R21
0.22 1/2W
FUSIBLE
R22
0.22 1/2W
FUSIBLE
R17
0.22 1/2W
FUSIBLE
R18
0.22 1/2W
FUSIBLE
IN
GND
OUT
U33
7805
T1A
T2B
T2A
R27
47K
1/4W
W4
U4
LM317L
R20
270
1/4W
R23
47K 1/4W
R28
470
1/4W
Q3
2N2907A
D20
1N4007
C18
100uF
16V
C8
100uF
16V
R3
1
1/
8W
R3
0
1/
8W
W5
W8A
D8
1N4007
C19
100uF
63V
C20
100uF
63V
D21
1N4007
D26
1N4007
D27
1N4007
R7
200K
1/4W
C39
100uF
63V
1
2
3
J12
CON-03P
TO FRONT PANEL
1
2
3
4
5
6
7
8
9
J8
CON-09P
TO AMP CH1 BOARD
1
2
3
4
J13
TO INPUT BOARD
C23
104
R3
47K
1/4W
R12
0.22R
1W
R14 100R
1W
W7A
R19
0.22R
1W
W7B
D28
8.2V
C21
47u
16V
W8B
PC3
PC4
PC5
PC6
W6B
W6A
W1A
W1B
-VCC1
+VCC1
+27V
+5VM
+15V
-15V
CT-1
-VCC2
+VCC2
CT-2
DGND
CHGND
CHGND
CHGND
-4V
+5V
+V_LED
-4V
+15V
+27V
AGND
AGND
-15V
+5VM
DGND
+5V
+5VM
DGND
+V_LCD
+30V
+30V
CHGND
FAN_GND
+V_LCD
+15V
-15V
+5V
AGND
DGND
AGND
AGND
+V_LED
CHGND
CHGND
AGND
VMA 160/1120/1240/260/2120 Service Manual
Version A - 09/20
61
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