Redrawn by: J.H.G. Rothengatter
Date: 30-04-2013
Title:
Revision: 0.1
D&R Electronica Weesp B.V. Rijnkade 15b, 1382 GS , Weesp, The Netherlands, Phone: +31 (0)294 - 418 014, Fax: +31 (0)294 - 416 987, Mail: info@d-r.nl
R22
47
R23
1
0
0
K
R
2
0
47µF/25V
+
-
C12
A8
47µF/25V
C13
1
K
R
2
1
8K2
R18
47
R19
1
0
0
K
R
1
6
47µF/25V
+
-
C9
A7
47µF/25V
C10
1
K
R
1
7
8K2
PHONES
out
R11
3K9
R12
A5
47µF/25V
C7
1
K
R
1
0
8K2
VU
- LEFT
- PFL
- FOLDBACK
- ECHO
10K
R6
82pF
C5
A3
18K
R8
10K
R7
A4
47µF/25V
+
-
C6
4
7
K
R
9
LEFT
RIGHT
FOLDBACK
100K
R1
10pF
C1
A1
150K
R3
47K
R2
A2
47µF/25V
+
-
C4
1
0
K
B
100
R4
4
7
K
R
5
47µF/25V
+
-
C2
10pF
C3
Fader
ECHO
send
S1
Left/Right
à
Pfl
à
Foldback
à
Echo
à
2
2
K
A
R14
3K9
R15
A6
47µF/25V
C8
1
K
R
1
3
8K2
VU
- RIGHT
2
2
K
A
2
2
K
B
2
2
K
B
ECHO
PFL
….KA = LIN
….KB = LOG
+
-
+
-
+
-
+
-
Volume
Phones
MR 600 Echo + PFL
a
b
c
8
9
10
7
6
5
47
R300
47
47µF/25V
C301
R301
47µF/25V
C300
0
+15 V
-15 V
A1, A4,
A5, A6
TL074
4
11
4
11
-
14
13
12
1
2
3
VR1
VR2
P1b
P1a
14
12
13
10 pF
C11
10pF
C14
14
12
13
1
3
2
A
C
1
2
3
4
7
8
9
10
E
LV
RV
PR
PL
L
R
F
P
E
3
4
5
6
7
1
2
+
0
+
-
+
-
A2, A3,
A7, A8
TL074
Rotary switch PCB
8
9
10
Volume
Phones