Symetrix 425 - Page 52

OF
REVISIONS DONE OR ECO NUMBER:
DRAWN:
REV:
DRAWING NO:
COMPANY:
TITLE:
DATED:
LTR DATE:
RELEASED: DATED:
REVISION RECORD
SHEET:
SEATTLE, WA 98199
4211 24th Ave W
SYMETRIX INC.
CH1 EXPANDER LEDS
CH1 COMPRESSOR LEDS
CH1 OUTPUT LEDS
CH1 LIMITER LEDS
-2dB
-6dB
-12dB
-18dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
-25dB
-3dB
-6dB
-9dB
-12dB
-20
-10
0VU
CLIP
-15dB
STEREO
DUAL
FROM MOTHERBOARD
3
425 LED DAUGHTERBOARD
E1
022002-SCH
1
B
VALUE CHANGES IN OUTPUT LED STRING 12/19/91
C C4 & C5 ADDED AS PER ECO 169 2/13/92
CHANGES AS PER ECO 425-001 7/9/92D
(RED)
(GREEN)
(RED)
(RED)
(GREEN)
(GREEN)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
(RED)
E
ECO 425-8 SWAPPING LED REF DES.
D40-D43 & D60-D63
8/24/93
B.G.
9
+
8
-
14
U1D
LM339
11
+
10
-
13
U1C
LM339
5
+
4
-
2
U1B
LM339
7
+
6
-
1
U1A
LM339
R1
2K67
R2
3K01
R3
4K22
R4
4K22
R5
35K7
R6
1M
Q1
2N4403
R7
120 OHM
R8
10K
D1
1N4148
D2
1N4148
9
+
8
-
14
U2D
LM339
11
+
10
-
13
U2C
LM339
5
+
4
-
2
U2B
LM339
7
+
6
-
1
U2A
LM339
R9
10K5
R10
6K49
R11
5K76
R12
5K62
R13
5K62
9
+
8
-
14
U3D
LM339
5
+
4
-
2
U3B
LM339
7
+
6
-
1
U3A
LM339
R14
5K62
R15
8K45
R16
28K0
R17
124K
R18
1M
Q2
2N4403
D3
1N4148
D4
1N4148
R19
120 OHM
R20
10K
9
+
8
-
14
U4D
LM339
11
+
10
-
13
U4C
LM339
5
+
4
-
2
U4B
LM339
7
+
6
-
1
U4A
LM339
R21
8K45
R22
5K90
R23
5K49
R24
5K76
R25
100K0
Q3
2N4403
R26
120 OHM
R27
10K
D5
1N4148
D6
1N4148
9
+
8
-
14
U5D
LM339
11
+
10
-
13
U5C
LM339
5
+
4
-
2
U5B
LM339
7
+
6
-
1
U5A
LM339
R28
549 OHM
R29
1K21
R30
3K83
R31
12K1
R32
30K1
Q4
2N4403
R34
120 OHM
R35
10K
D7
1N4148
D8
1N4148
R36
1M
1
J5A
2
J5B
3
J5C
4
J5D
5
J5E
6
J5F
7
J5G
8
J5H
11
+
10
-
13
U3C
LM339
C4
.01uF
D24
D25
D26
D27
D28
D29
D30
D31
D32
D33
D34
D35
D36
D37
D38
D39
D43
D42
D41
D40
D64
D65
+15VA
+15VA
+15VA
+15VA
-15VA
-15VA
-15VA
-15VA
-15VA
-15VA
-15VA
+15VA
EXPLEDS_CH1
EXPLEDS_CH1
COMPLEDS_CH1
LIMLEDS_CH1
O/PLEDS_CH1
LIMLEDS_CH1
DETECT_CH1
COMPLEDS_CH1
+15VA