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2 of 5
B
28S1012
LP-1214B PCB
W# 700681
11-11-01
SA
SA
SA
LP-1214
Logic Port Board Schematic - Sheet 2 of 5
ALM-12D/Nov 2001
Page
D
REV
SIZE
SHEET
DWG. NO.
FSCM NO.
SCALE
CONTRACT NO.
DATE
APPROVALS
DRAWN
CHECKED
ISSUED
A
2
1
2
3
4
5
6
7
8
8
7
6
5
4
3
1
B
C
D
D
C
B
A
600 Industrial Drive
New Bern, NC 28562
R83
4.99K
R5 475
C19
0.1uF
R84
4.99K
R7 475
C20
0.1uF
R81
4.99K
R1 475
C17
0.1uF
R82
4.99K
R3 475
C18
0.1uF
GND
R2
4.99K
VCC
GND
R4
4.99K
VCC
GND
R6
4.99K
VCC
GND
R8
4.99K
VCC
R85
4.99K
R9 475
C21
0.1uF
GND
R10
4.99K
VCC
VCC
R86 150
VCC
R87 150
VCC
R88 150
VCC
GND
C2
0.1uF
VCC
GND
C1
0.1uF
U1
15
16
1
2
OPTO1
U1
13
4
14
3
OPTO1
U1
7
8
9
10
OPTO1
U1
5
6
11
12
OPTO1
U2
2
1
16
15
OPTO1
U2
3
14
4
13
OPTO1
U2
10
9
8
7
OPTO1
U2
12
11
6
5
OPTO1
R91
4.99K
R15 475
C24
0.1uF
R92
4.99K
R17 475
C25
0.1uF
R89
4.99K
R11 475
C22
0.1uF
R90
4.99K
R13 475
C23
0.1uF
GND
R12
4.99K
VCC
GND
R14
4.99K
VCC
GND
R16
4.99K
VCC
GND
R18
4.99K
VCC
R93
4.99K
R19 475
C26
0.1uF
GND
R20
4.99K
VCC
VCC
R94 150
VCC
R95 150
VCC
R96 150
U3
15
16
1
2
OPTO1
U3
13
4
14
3
OPTO1
U3
7
8
9
10
OPTO1
U3
5
6
11
12
OPTO1
U4
2
1
16
15
OPTO1
U4
3
14
4
13
OPTO1
U4
10
9
8
7
OPTO1
U4
12
11
6
5
OPTO1
VCC
GND
C3
0.1uF
VCC
GND
C4
0.1uF
4.99K
R101
R25 475
C29
0.1uF
4.99K
R102
R27 475
C30
0.1uF
4.99K
R99
R21 475
C27
0.1uF
4.99K
R100
R23 475
C28
0.1uF
GND
R22
4.99K
VCC
GND
R24
4.99K
VCC
GND
R26
4.99K
VCC
GND
R28
4.99K
VCC
4.99K
R103
R29 475
C31
0.1uF
GND
R30
4.99K
VCC
VCC
150
R104
VCC
150
R105
VCC
150
R106
VCC
GND
C5
0.1uF
VCC
GND
C6
0.1uF
U5
7
8
1
2
OPTO1
U5
5
6
4
3
OPTO1
U6
6
5
4
3
OPTO1
U6
8
7
2
1
OPTO1
U7
2
1
16
15
OPTO1
U7
3
14
4
13
OPTO1
U7
10
9
8
7
OPTO1
U7
12
11
6
5
OPTO1
4.99K
R111
R35 475
C34
0.1uF
4.99K
R112
R37 475
C35
0.1uF
4.99K
R109
R31 475
C32
0.1uF
4.99K
R110
R33 475
C33
0.1uF
GND
R32
4.99K
VCC
GND
R34
4.99K
VCC
GND
R36
4.99K
VCC
GND
R38
4.99K
VCC
4.99K
R113
R39 475
C36
0.1uF
GND
R40
4.99K
VCC
VCC
150
R114
VCC
150
R115
VCC
150
R116
VCC
GND
C7
0.1uF
VCC
GND
C8
0.1uF
U8
15
16
1
2
OPTO1
U8
13
4
14
3
OPTO1
U8
7
8
9
10
OPTO1
U8
5
6
11
12
OPTO1
U9
2
1
16
15
OPTO1
U9
3
14
4
13
OPTO1
U9
10
9
8
7
OPTO1
U9
12
11
6
5
OPTO1
DBP1COF
DBP1COF
DBP1TB
DBP1TB
DBP1ON
DBP1ON
DBP1OFF
DBP1OFF
P1ON
P1OFF
P1COF
P1TB
DBP1RDY
DBP1RDY
P1RDY
DBP1STR
DBP1STR
DBP1STP
DBP1STP
DBP1TAL
DBP1TAL
P1STR
P1STP
P1TAL
DBP2COF
DBP2TB
DBP2ON
DBP2OFF
DBP2RDY
DBP2STP
DBP2STP
DBP2TAL
DBP2TAL
P2STP
P2TAL
P2STR
DBP2STR
DBP2STR
P2RDY
DBP2RDY
P2TB
P2COF
P2OFF
P2ON
DBP2OFF
DBP2ON
DBP2TB
DBP2COF
DBP3COF
DBP3TB
DBP3ON
DBP3OFF
DBP3RDY
DBP3STP
DBP3STP
DBP3TAL
DBP3TAL
P3STP
P3TAL
P3STR
DBP3STR
DBP3STR
P3RDY
DBP3RDY
P3TB
P3COF
P3OFF
P3ON
DBP3OFF
DBP3ON
DBP3TB
DBP3COF
DBP4COF
DBP4TB
DBP4ON
DBP4OFF
DBP4RDY
DBP4STP
DBP4STP
DBP4TAL
DBP4TAL
P4STP
P4TAL
P4STR
DBP4STR
DBP4STR
P4RDY
DBP4RDY
P4TB
P4COF
P4OFF
P4ON
DBP4OFF
DBP4ON
DBP4TB
DBP4COF
Summary of Contents for ALM-12d
Page 1: ...ALM 12d Digital Audio Console TECHNICAL MANUAL October 2001 ...
Page 51: ...page 7 1 ALM 12d Oct 2001 T I M E R S E C T I O N Timer Section Chapter Contents Overview 7 2 ...
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