VCD
J13
R136
1K2
J8
J11
J6
R55A
220R
SPC2
SPC1
J3
R55B
220R
SPC3
D6
4148
R2
100K
P1
-
10K
-
R_GAIN
P2
10K
-
-
L_GAIN
J7
R1
100K
C1
220p
C21
220n
R50
15K
J2
D1
3V0
LD2
GRN
R_ACTIVITY
Q1
A13
LD7
#6859
NSL-28AA
C35
16v
22u
Q3
BC560
C37
220p
R39
15K
R3
470K
R4
470K
R5
8M2
R7
10K
R8
10K
R29
220R
R30
470R
R31
220K
R32
15K
R33
4K7
R34
470R
R35
20K0
R36
8M2
R40
4K12
R41
10K
R42
20K0
R44
10K
R45
4K12
R47
470R
R48
4K7
R49
15K
R51
220K
R52
470R
R53
220R
C2
220p
C3
47n
C4
47N
C17
100P
C18
100P
126
100n
C127
100n
11
10
9
8
7
6
5
4
3
2
1
#
DESCRIPTION OF CHANGE
VER#
DATE
MODEL(S):-
D
D
D
D
D
D
.
DEC/09/98
.
APR/17/98
OCT/97
V
V
V
V
V
V
.
3.00
.
2.00
1.00
N
N
N
N
N
N
SCREWS_ADDED
PC#5736_TRACES_CHANGED_POT_SUPPORT
CHANGED_FOR_PROTECT_CIRCUIT
PC#5664_RIBBON_CABLE_CONNECTIONS
FIRST_PRODUCTION
AP-4020
M1128.PCB_DATABASE_HISTORY
C40
330P
R46
22K
J9
J12
J1
14-PIN.SOCKET
C22
220n
D2
4V7
"P22"
STYLE
J4
C25
16V
33u
C26
16V
33u
D3
3V0
C39
330P
Q2
A63
J10
LD8 #6859
NSL-28AA
C36
16v
22u
Q4
BC560
Q5
BC560
Q6
BC560
C38
220p
U2
33078P
D9
4148
R43
22K
J5
LD3
RED
PROTECT
LD6
RED
L_CLIP
J14
-
+
LD4
GRN
POWER
LD5
RED
R_CLIP
CONN3A
LD1
GRN
L_ACTIVITY
LVGND
RREF
RREF
RSPRE
BRPRTCT
RSPOST
LSPOST
LSPOST
ACT
LCLP
RCLP
V+
V+
LIMABLE
LREF
LREF
LSPRE
V-
V-
RSIG
RSIG
PRTCT
POT
P22
SCREW
8870
WASHER
3511
PCB
VER 3.00
AP4020/4040
M1128
TO P.S. PCB
BLACK
0.4"
PT#3739
VC2402 BOARDS
FOR VC2402 USE PART
THE AP-4020 LEGEND
"M1128VC" TO AID
2 P1 AND P2 -M1128VC
IN IDENTIFYING
3 ADD A STICKER OVER
#4394
#4390
AMERICAN USE PART
1 P1 AND P2 FOR NORTH
NOTES
SPACER
LED
