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
5
<Scale>
011
A2
<Code>
VMA - Front Panel (2-CH)
<Release Date>
<QC Date>
<Checked Date>
<Drawn Date>
<Released By>
<QC By>
<Checked By>
<Drawn By>
BASS
BASS
TREBLE
TREBLE
COMPONENTS ON THIS SHEET ARE PLACED ON MASTER VOLUME SECTION
C60
10u
16V
C61
0.1u
R218
110k
1
2
3
D4
N.I.
R219 221k
R220
N.I.
C75
0.1u
C76
0.1u
C77
0.1u
R221
6.19k
R222
16.2k
6 -
5 +
7
U8-B
CF4558
C62
10u
16V
C78
10u
16V
6 -
5 +
7
U11-B
CF4558
C87
10u
16V
C88
0.1u
R223
110k
1
2
3
D6
N.I.
R224 221k
R225
N.I.
C89
0.1u
C90
0.1u
C91
0.1u
R226
6.19k
R227
16.2k
C92
10u
16V
C85
10u
16V
2 -
3 +
1
U8-A
CF4558
R228
1M
C63
47p
R229
4.75K
R230
47.5k
R231
4.75K
C71
0.22u
C72
680p
C73
0.1u
R232
4.75K
2 -
3 +
1
U11-A
CF4558
R233
1M
C74
47p
R234
4.75K
R235
47.5k
R236
4.75K
C86
0.22u
C93
680p
C96
0.1u
R237
4.75K
8
4
U8-C
CF4558
C97
0.1u
C98
0.1u
8
4
U11-C
CF4558
C99
0.1u
C126
0.1u
2
1
3
V
R
5
10
K
2
1
3
V
R
6
10
K
1
2
3
VR4
50KB
3
2
1
VR3
50KB
3
2
1
VR1
50KB
1
2
3
VR2
50KB
S
G
D
Q6
MMBFJ108
S
G
D
Q9
MMBFJ108
R275
49.9k
R278
49.9k
R279
1M
R280
1M
C73A
N.I.
C71A N.I.
C72A
N.I.
C96A
N.I.
C86A N.I.
C93A
N.I.
CH1_HIZ
[9]
CH2_HIZ
[9]
CH1_FRONT
[4]
CH2_FRONT
[4]
CH1_AMP
[9]
CH2_AMP
[9]
+15V
-15V
+15V
-15V
AGND1
AGND1
AGND1
AGND1
AGND1
AGND1
AGND
AGND
AGND
AGND
AGND
AGND
+15V
+15V
VMA 160/1120/1240/260/2120 Service Manual
Version A - 09/20
45
Table of Contents
