Symetrix 571 User Manual
SENSE MIC 1
XLR-FEMALE
J1
1
4
REVISION RECORD
LTR
C3
R1
100 OHM
R3
100K0
2
3
R4
100K0
R2
100 OHM
R5
100 OHM
C1
470pF
C2
470pF
R6
100 OHM
2
3
330pF
R7
49K9
U1A
1
RC4560
R12
49K9
C4
+
4.7/50
SENSE 1
TRIM
(FRONTPANEL
ADJ. TRIMMER)
C6
330pF
50K
R8
R10
4K7
CW
3
1
F1
F2 ECO 571-4 8/24/93
C5
150pF
R11
4K7
2
R9
4K7
U1B
6
5
7
F4
F5
F6 Changed C63 to 22uF/25V non-polar. 9/13/95
RC4560
REVISIONS DONE OR ECO NUMBER:
AS PER ECR 571-2 AND 571-3 7/19/93
ECO 571-7, & COMBINED 5% & 1% R VALUES
Changed R150 to 10K; corrected R108/
R109 connections.
SYMMETRY ADJ.
(TRIMMER)
100K
R26
1
2
+15VA
CW
3
DATE:
B.G.
1/15/95
3/14/95
SENSE MIC 2
XLR-FEMALE
J2
1
4
R23
10K0
R34
D2
1
1N4148
+
4.7/50
SENSE 2
(FRONTPANEL
ADJ. TRIMMER)
C11
330pF
ADJUST
(TRIMMER)
100K
R36
CW
3
2
C10
TRIM
1
R21
4K7
+15VA
50K
R144
CW
3K01
R35
56K
3
2
1
R33
R20
4K7
D1
1N4148
2
3
20K0
C18
150pF
U4A
C9
R13
100 OHM
R15
100K0
2
3
R16
100K0
R14
100 OHM
R17
100 OHM
C7
470pF
C8
470pF
R18
100 OHM
2
3
330pF
R19
49K9
U2A
1
RC4560
R22
49K9
SENSE LOG
RC4560
-15VA
C12
.0022
R24
2K00
SENSE
C13
.1UF
R31
73K2
-15VA
COMPANY:
C16
10/35
-15VA
+
R30
2M2
1
IN
C15
.1UF
SYMETRIX INC.
14926 35th Avenue West
-15VA
4
6
CAP
U3A
BIAS3GND
2
R29
560K
SYM
OUT
R27
100K0
R28
1K37
7
THAT2252
Lynnwood, WA 98037-2303 USA
DRAWN:
RELEASED:
DATED:
DATED:
TITLE:
DRAWING NO:
571 SCHEMATIC
021740
SHEET:
REV:
F6
OF
16
MUSIC INPUT
MUSIC INPUT
+
GND
-
J3-2
J3-3
J3-1
R43
100K0
R44
100K0
R41
2K00
R42
2K00
C21
470pF
C22
470pF
C31
43K2
R38
43K2
R37
6
5
R40
45K3
C19
47pF
R39
45K3
U4B
RC4560
C20
47pF
FORMAT
PAGE/MUSIC
(REAR PANEL)
9
7
R63
100K0
7
8
SW3C
C40
.039
R81
1M
MUSIC
R80
10K0
PAGE OVER
MUSIC
(FRONT PANEL)
2
R78
3
2N5458
1
CW
1
D
Q1
3
2
S
G
6
5
U6B
7
RC4560
PAGE MIC
INPUT
XLR-FEMALE
J4
1
4
PAGE LINE
INPUT
+
J3-5
J3-6
GND
PAGE LINE
INPUT
J3-4
-
2
3
R51
100K0
R52
100K0
R55
100K0
R56
100K0
R49
2K00
R50
2K00
R53
100 OHM
R54
100 OHM
C29
470pF
C30
470pF
C26
470pF
C27
470pF
R57
100 OHM
R58
100 OHM
R45
43K2
R46
43K2
2
3
6
5
R48
45K3
330pF
R59
49K9
U5A
RC4560
R62
49K9
C24
47pF
R47
45K3
U5B
RC4560
C25
47pF
C32
+
4.7/50
PAGE MIC
1
C33
330pF
7
TRIM
(FRONT PANEL
ADJ. TRIMMER)
C28
+
4.7/50
R65
4K7
50K
R60
R61
4K7
3
1
CW
2
C34
150pF
2
3
R64
4K7
R66
4K7
U6A
RC4560
VOICE
C41
+
4.7/50
C36
47pF
R68
100K0
U7A
R69
10K0
C37
4.7/50
2
3
1
LF353N
1
C35
.022
R67
100K0
+
D3
1N4148
R70
100 OHM
+
COMPANY:
C38
.47/35t
R71
2M2
R82
13K0
R72
100K0
-15VA
R79
13K0
C23
4.7NP
SIGNAL
R73
470K
6
5
U7B
7
LF353N
R74
2K00
D4
1N5245
R75
10K0
SYMETRIX INC.
14926 35th Avenue West
R76
10K0
-24VA
R77
10K0
Q2
2N4401
Lynnwood, WA 98037-2303 USA
DRAWN:
RELEASED:
DATED:
DATED:
TITLE:
DRAWING NO:
571 SCHEMATIC
021740-SCH
SHEET:
REV:
F6
OF
26
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