Symetrix 425 - Page 45

COMPANY:
TITLE:
DRAWING NO:
REV:
DATED:
DATED:
DRAWN:
RELEASED:
REVISIONS DONE OR ECO NUMBER:
LTR
SYMETRIX INC.
4211 24th Ave W
SEATTLE, WA 98199
SHEET:
REVISION RECORD
DATED: RELEASED:
DATE:
DATED:
TITLE:
COMPANY:
DRAWING NO:
REV:
DRAWN:
OF
425 DUAL COMP/LIMITER/EXPANDER
CHANNEL 1 INPUT
CHANNEL 1 OUTPUT
CHANNEL 1
OUTPUT LEVEL
CHANNEL 1
(SHOWN IN)
LINK
STEREO LINK)
022001-SCH
E2
1
7
SIDECHAIN
SEND/RETURN
BALANCED/
UNBALANCED
BALANCED
UNBALANCED
OUTPUT
IN/OUT
LINK
LINK
(SHOWN IN STEREO LINK)
(SHOWN IN STEREO LINK)
MASTER
LINK
(SHOWN IN STEREO LINK)
DISTORTION TRIM
CHANNEL 1
BALANCED
OUTPUT
D RESISTOR VALUE CHANGES AS PER ECO 169 2/13/92
(FRONT PANEL)
E RESISTORS AND CAPS AS PER ECO 170 3/9/92
E1
7/21/92
RESISTORS AND CAPS AS PER ECO 425-002
(SHOWN IN
E2
R158, R162, R163, R164 CHANGED
PER ECO 425-003
2/16/93
R1
15K0
R2
13K0
R3
13K0
R4
15K0
R5
2K00
R6
2K00
C1
100pF
C2
100pF
C3
470pF
C4
470pF
R7
13K0
2150A
IN
OUT
VCC EC1
M
Y
S
E
E
V
2
C
E
D
N
G
18
37
6254
U2
R9
61.9
R10
51
R11
61.9
R12
510K
R13
5K1
XLR-MALE
1
2
3
4
J4
J3
XLR-FEMALE
1
2
3
4
J1
C5
4.7NP
R15
6K98
3
+
2
-
1
U1A
RC4560
5
+
6
-
7
U1B
RC4560
3
1
2
R16
100K
C8
4.7NP
C7
4.7NP
R23
100 OHM
R8
13K0
C6
82pF
R67
150 OHM
+
C27
100/35
5
+
6
-
7
U11B
RC4560
R68
13K0
C28
82pF
R69
150 OHM
+
C29
100/35
R70
13K0
5
+
6
-
7
U7B
RC4560
R58
357K0
R59
49K9
C26
.001uF
R60
100K0
R61
300K
3
1
2
R76
50KB
8
9
7
SW5C
5
4
6
SW5B
R77
6K98
C32
4.7NP
R104
100K
R155
100K
R156
100K
R157
1K00
2
1
3
SW4A
1
J12A
2
J12B
3
J12C
4
J12D
5
J12E
6
J12F
7
J12G
8
J12H
9
J12I
10
J12J
11
J12K
12
J12L
13
J12M
14
J12N
15
J12O
16
J12P
2
1
3
SW5A
R165
2K2
J2
J13
11
12
10
SW5D
-15VA
+15VA
+15VA
-15VA
-15VA
+15VA
-15VA
CH1_CTRL
CV_IN_CH2
S/C_IN_CH1
CH2INOUT.2
O/PLEDS_CH1
S/C_JACK_CH2
EXPLEDS_CH1
COMPLEDS_CH1
LIMLEDS_CH1
EXPLEDS_CH2
COMPLEDS_CH2
LIMLEDS_CH2
O/PLEDS_CH2