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TO M1088
MC3
1
RSPRE
RREF
LSPRE
LREF
RSIG
LSPOST
RSPOST
V-
LIMABLE
V+
LCLP
LVGND
RCLP
FET_CNTL
6
LCLP
2
LSPRE
L_GAIN
13
LREF
5
LIMABLE
V+
10
V+
9
LVGND
11
V-
LVGND
V-
R39
7
RCLP
15K
1
RSPRE
14
R_GAIN
RREF
4
RSPOST
12
LSPOST
3
RSIG
8
FET_CNTL
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VOLUME CONTROL/ LIMITER
V+
D2
C36
16v
500mW
Q6
4.7V
R51
C3
BC560
25V
220K
47n
R49
R52
R48
15K
470R
4K7
(V+)-3v
D6
R7
10K
4148
R50
R47
470R
15K
LD6
L_CLIP
RED
LD8
NSL32SR2
LEDGND
25A
R45
C26
P2
16V
33u
10K
GAIN
4K12
R44
10K
C38
15v 220p
LREF
C35
16v
Q3
R31
C4
25V
BC560
220K
47n
R30
R32
R33
470R
15K
4K7
D9
R8
10K
4148
R34
470R
LD5
R_CLIP
RED
LD7
NSL32SR2
LEDGND
R40
25A
C25
P1
16V
33u
4K12
10K
GAIN
R41
10K
C37
15v 220p
RREF
V+
RREF
22u
R53
220R
C19
C20
25V
50V
100n
100n
Q5
BC560
V-
220p
C2
100K
C17
100P
R1
R35
20K0
6
7
5
U2
1/2
MC33078P
(4=V-,8=V+)
100K
22u
R29
R2
220R
220p
C1
LVGND
Q4
BC560
V+
100K
R56
C18
100P
R42
20K0
2
1
3
U2
1/2
MC33078P
(4=V-,8=V+)
DATE:
YORKVILLE
NAME:
ACTIVITY LEDS CIRCUIT
V+
3V0
470K
1N5225B
R4
D3
220n
15v
Q2
A63
C22
8M2
LD2
R36
R_ACTIVITY
GREEN
LEDGND
220R
R55A
V+
220R
R55
LD1
L_ACTIVITY
8M2
GREEN
R5
220n
15v
Q1
A13
C21
1N5225B
470K
R3
10K
Q8
R57
MPSA06
LEDGND
Q9
2N5638
C40
25V
100n
LVGND
M1090.SCH_DATABASE_HISTORY
MODEL(S):-
AP800
#
DATE
VER#
DESCRIPTION OF CHANGE
1
MAY/30/95
1.10
PC#4789_R57_15K->10K
2
.
.
PC#4802_Q8_BC550->MPSA06
3
AUG/14/96
1.20
PC#5180_C17,C18_27P->100P
4
NOV/20/01
1.30
PC#6466_LD7,LD8_NSL-28AA->NSL-32SR2
5
D
V
N
6
D
V
N
7
D
V
N
8
D
V
N
9
D
V
N
10
D
V
N
AP800
NOV/20/2001
MODELS:
_
M1090.SCH
PCB#&VER:
M1090
V+
2K
2K
R43
R54
PROTECT
POWER
LD3
LD4
3V0
RED
GREEN
D1
R46
Q7
BC550
33K
LVGND
SHEET
OF
3
SCH VERSION:
1.3
TITLE:
POTS@LIMIT
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