011
0201000986-619050
APPROVED:
ECO NO:
LTR
A
B
C
D
6
5
4
3
2
1
DATE:
D
C
B
A
REVISION RECORD
SCALE:
SHEET: OF
DRAWING NO:
TITLE:
COMPANY:
RELEASED:
DATED:
DATED:
QUALITY CONTROL:
CHECKED:
DATED:
DATED:
DRAWN:
CODE:
SIZE:
REV:
9
9
<Scale>
A2
<Code>
VMA - Front Panel (2-CH)
<Release Date>
<QC Date>
<Checked Date>
<Drawn Date>
<Released By>
<QC By>
<Checked By>
<Drawn By>
C198
47u
25V
C199
0.1u
C200
47u
25V
C201
0.01u
50V
C202
0.1u
C203
0.01u
50V
C204
0.1u
C205
47u
16V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
J4
TO AMP CH1
J3
J6
1
2
3
J27
CABLE ASSY 3P P=2.54 L=500
TO PSU
C209
0.1u
1
2
3
J2
TO FRONT INPUT
C225
0.1u
C226
47u
16V
1
2
3
4
5
6
7
8
9
10
11
12
J13
CABLE ASSY 12P P=2.0 L=185
TO AMP CH1
1
2
3
4
5
6
7
8
J1
CABLE ASSY 8P P=2.0 L=420
TO INPUT
C239
0.1u
1
2
J28
TO PWR SWITCH
W1
W
2
C208
47u
C240 47u
R15
0R
+15V
-15V
+5V
DIP3_3
[1]
DIP3_4
[1]
DIP3_6
[2]
DIP3_7
[2]
DIP3_8
[2]
DIP3_9
[2]
CH1_PRIORITY
[4]
CH2_HIZ
[5]
CLIP_LED_1
[6]
CLIP_LED_2
[6]
SIG_LED_1
[6]
SIG_LED_2
[6]
CH1_AMP
[5]
CH2_AMP
[5]
MAIN_POWER
[7]
MAIN_MUTE
[7]
M74HC165_QH
[7]
M74HC165_CK
[7]
M74HC165_S/L
[7]
+3.3VA
-4V
+3.3V
+V_LED
+15V
-15V
MAIN_POWER
MAIN_MUTE
M74HC165_S/L
M74HC165_CK
M74HC165_QH
DGND
+5VM
IN01
[1]
IN04
[2]
AGND
DGND
+3.3VA
CH2_PRIORITY
[4]
CH1_HIZ
[5]
DIP3_1
DIP3_2
[4]
+5V
IN02
[1]
IN03
[1]
MS01
[1]
IN05
[2]
IN06
[2]
MS02
[2]
AGND
AGND
AGND
AGND
+V_LCD
+5VM
DGND
CHGND
AGND1
AGND1
AGND
VMA 160/1120/1240/260/2120 Service Manual
Version A - 09/20
49
Table of Contents
