25V
100n
C40
100K
R56
4148
D9
MC3
10K
R57
2K
R54
BC550
Q7
220R
R53
470R
R52
22u
16v
C36
220K
R51
15K
R49
BC560
Q6
4K7
R48
470R
R47
33K
R46
RED
L_CLIP
LD6
BC560
Q5
(4=V-,8=V+)
1/2
MC33078P
U2
2
3
1
15v 220p
C38
4K12
R45
33u
16V
C26
10K
R44
CW
GAIN
25A
10K
L_GAIN
P2
2K
R43
3V0
1N5225B
D3
100P
C18
20K0
R42
CW
GAIN
25A
10K
R_GAIN
P1
10K
R41
33u
16V
C25
4K12
R40
15v 220p
C37
A63
Q2
15K
R39
(4=V-,8=V+)
1/2
MC33078P
U2
6
5
7
BC560
Q4
RED
R_CLIP
LD5
8M2
R36
100P
C17
20K0
R35
2N5638
Q9
NSL32SR2
LD8
470R
R34
4K7
R33
BC560
Q3
15K
R32
220R
R55
220K
R31
4148
D6
22u
16v
C35
470R
R30
220R
R29
500mW
4.7V
D2
15K
R50
NSL32SR2
LD7
A13
Q1
GREEN
POWER
LD4
10K
R8
RED
PROTECT
LD3
10K
R7
10
9
8
7
6
5
4
3
2
1
#
DESCRIPTION OF CHANGE
VER#
DATE
MODEL(S):-
D
D
D
D
D
D
NOV/20/01
AUG/14/96
.
MAY/30/95
V
V
V
V
V
V
1.30
1.20
.
1.10
N
N
N
N
N
N
PC#6466_LD7,LD8_NSL-28AA->NSL-32SR2
PC#5180_C17,C18_27P->100P
PC#4802_Q8_BC550->MPSA06
PC#4789_R57_15K->10K
AP300
M1090.SCH_DATABASE_HISTORY
SHEET OF
YORKVILLE
NAME:
PCB#&VER:
MODELS:
SCH VERSION:
TITLE:
DATE:
3
M1090
_
AP800
M1090.SCH
NOV/20/2001
POTS@LIMIT
1.30
MPSA06
Q8
3V0
1N5225B
D1
GREEN
R_ACTIVITY
LD2
GREEN
L_ACTIVITY
LD1
220R
R55A
8M2
R5
470K
R4
470K
R3
15v
220n
C22
15v
220n
C21
220p
C2
220p
C1
100K
R2
100K
R1
50V
100n
C20
25V
100n
C19
25V
47n
C3
25V
47n
C4
LEDGND
LEDGND
LEDGND
LEDGND
RREF
RREF
RREF
RREF
RSPRE
RSPRE
LSPRE
LSPRE
LREF
LREF
LREF
V-
V-
V-
V-
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
RSIG
RSIG
RSPOST
RSPOST
LIMABLE
LIMABLE
LCLP
LCLP
RCLP
RCLP
FET_CNTL
FET_CNTL
V+
V+
V+
V+
V+
V+
V+
V+
V+
LSPOST
LSPOST
(V+)-3v
TO M1088
8
3
12
4
14
1
7
11
9
10
5
13
2
6
1
VOLUME CONTROL/ LIMITER
ACTIVITY LEDS CIRCUIT
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