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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers
16
1 2 3 4 5 6 78
A
B
C
D
E
8
7654321
E
D
C
B
A
B
APPROVED: Dw
g
#
Size
Drawn B
y
Rev.
B
10s5320b-1.Sch
10s5320
VCM-88E, 8 Channel Remote VCA / Limiter
Dan Szaba
Sheet # of
14
847 Holt Road
Webster, NY 14580-9103
Phone: Fax:
(716) 872-0010
(716) 872-0739
Print Date
6-Jan-2004
11:31:11
A->B @ 157%
C
MODA/LIR
3
PA3/OC5/OC1
31
PA7/PAI/OC1
27
PC0/AD0
9
PC1/AD1
10
PC2/AD2
11
PC3/AD3
12
PC4/AD4
13
PC5/AD5
14
PC6/AD6
15
PC7/AD7
16
PD0/RXD
20
PD1/TXD
21
PD2/MISO
22
PD3/MOSI
23
PD4/SCK
24
PD5/SS
25
RST
17
STRA/AS
4
IRQ
19
EXTAL
7
MODB/VSTBY
2
PA0/IC3
34
PA1/C2
33
PA2/C1
32
PE0/AN0
43
PE1/AN1
45
PE2/AN2
47
PE3/AN3
49
PE4/AN4
44
PE5/AN5
46
PE6/AN6
48
PE7/AN7
50
VRH
52
VRL
51
XIRQ/VPP
18
E
5
PA4/OC4/OC1
30
PA5/OC3/OC1
29
PA6/OC2/OC1
28
PB0/A8
42
PB1/A9
41
PB2/A10
40
PB3/A11
39
PB4/A12
38
PB5/A13
37
PB6/A14
36
PB7/A15
35
STRB/R/W
6
XTAL
8
+5
26
GND
1
U1
*M68HC711E9*
X1 8.00MHZ
(in socket)
R38
10M
C12
18P
C13
18P
3
2
1
84
U2A
NJM2903
5
6
7
U2B
NJM2903
R32
1M
R3
10K
R13
10K
R1
27K
D2
1N4148
D3
1N4148
+5
R7 10K
R6 10K
R5 10K
R4 10K
+18
R14
10K
R34
1M
/Low Power Detect
/Reset Circuit (5vRail < 4.1v)
1
J3
none
SYNC
Mux/EN
+5
R16 10K
R15 10K
R17 10K
R18 10K
R19 10K
R20 10K
R21 10K
Ptcol0
Ptcol1
Chan0
Chan1
Chan2
Chan3
R24
10K
C19
10U
C8
.1U
R33 1M
R57 470K
R40 300K
R58 150K
R60 40.2K
R61 40.2K
R63 10.00K
R64 10.00K
R39 300K
R59 150K
R66 20K
R22 10K
R62 40.2K
R65 10.00K
5
6
7
U7B
MC34184
3
2
1
11 4
U7A
MC34184
12
13
14
U7D
MC34184
10
9
8
U7C
MC34184
+5
R41
10.0K
1
J1
none
DAC
Master Attenuator
R42
10.0K
R43
10.0K
+18
-18
C2
.1U
C5
.1U
R44
10.0K
R45
18K
R46
18K
VR2
10K
-18
0dB Trim
R47
7.15K
1
J2
none
Vo
X4
1
X6
2
3
X7
4
X5
5
/EN
6
VEE
7
G
8
C
9
B
10
A
11
X3
12
X0
13
X1
14
X2
15
VCC
16
U3
74HC4051
Mux/EN
(18vRail < 15.1v)
R55
330
D13
R [T1]
2
3
1
SW3A
SW DPDT
Remote Disable
D1
1N754A
C14
47U
6.8V
R9
10K
+18
C4
.1U
R35
1M
R49
2K
R2
27K
D4
1N4148
D9
G [T1]
C15
47U
Q4
2N4123
Q1
2N4125
1
J4
none
RXD
Data In
TXD
+5
+18
Remote Data
L
G
N
J7
AC-INLET
F2
FUSE CLIP [3AG]
F1
3AG ½ AMP AGC
out
SW1
SW DPDT
out
SW2
SW DPDT
2
3
10
7
4
5
8
11
12
T1
[XFMR-PCB] P85D07106
D25 1N4004
D26
1N4004
D28
1N4004
D27
1N4004
C41
.1U
C42
.1U
R48
2K
R50
2K
C43
1000U 35V
C44
1000U 35V
In
1
2
Out
3
U10
7818
In
2
1
Out
3
U11
7918
D21
1N4004
D29
1N4004
D30
1N4004
D31
1N4004
C45
1.5U
C46
1.5U
+18
-18
120V in=240V
D10
G [T1]
Power
C48
470U
In
1
2
Out
3
U12
7805
C47
1.5U
D32
1N4004
D22
1N4004
+5
D19
1N4004
D17
1N4004
D20
1N4004
D18
1N4004
C40
100U
R67
20K
D33
1N971B
C24
.001U
1
23
Q6
TIP29C
Q5
2N4123
R80
22
R78
none
R79
none
+78VDC
5
6
4
SW3B
SW DPDT
R71
1K
-18
D23
1N4004
D24
1N4004
R81
10
27V
R23
10K
R68
33
R69
33
Q2
2N4125
Q3
2N4125
D11
1N5231B
D5
1N4148
D6
1N4148
5.1V
-18
-4
35mA LIMIT
H1
BRACKET 4-40
/DATA IN
L1
BEAD
L4
BEAD
C22
.001U
C23
.001U
R77
220
D8
1N4148
2
3
8
7
6
5
U9
6N138
R70 1K
R30 10K
+5
4
5
6
U8B
74HC08
1
2
3
GND
7
+5
14
U8A
74HC08
11
12
13
U8D
74HC08
8
9
10
U8C
74HC08
+5
C9
.1U
R72
100K
R75
220
R76
220
+5
L2
BEAD
L3
BEAD
C20
.001U
C21
.001U
/DATA OUT
Unused Gates
DATAin
RemotePower
(To Daughter Card)
Remote Ground (RG)
3
2
1
84
U6A
4560
5
6
7
U6B
4560
R36
1M
R73
100K
+18
R25
10K
R26
10K
D7
1N4148
0.6V
RD/RS232in
D12
1N5231B5.1V
D14
1N5818
ConfigA
R27
10K
+5
D15
1N746A
D16
1N746A
+18
-18
C10
.1U
C11
.1U
R37 1M
R29
10K
R28
10K
R74
100K
+5
ConfigB
2.5V
R56
330
RS232out
114
213
312
411
510
69
78
J13A
DIP14 [SOCKET]
Chan0
Chan1
Chan2
Chan3
Ptcol0
Ptcol1
114
213
312
411
510
69
78
J6A
DIP14 [SOCKET]
DCmaster
In
1
2
Out
3
U4
7815
DC8
R51
0 OHM
-4
3
2
1
8 4
U5A
4560
5
6
7
U5B
4560
R11
10K
R10
10K
R52
4.7K
-18
+18
C3
.1U
C7
.1U
C16
47U
SUM
C18
none
C17
none
DC4
DC2
DC7
DC1
DC6
DC3
DC5
Daughter Card
10s5320b-2.Sch
Analog Channels 1-4
10s5320b-3.Sch
(To Daughter Card)
MUX1
MUX2
MUX3
MUX4
MUX1
MUX2
MUX3
MUX4
MUX5
MUX6
MUX7
MUX8
SUM
DC1
DC2
DC3
DC4
DC1
DC2
DC3
DC4
DC5
DC6
DC7
DC8
Force connect: Earth, Analog, Digital, & Remote Grounds
EG AG DG RG
* Connect AC Inlet G to chasis using:
m70b22550 - 22ga green wire,
s45w08030 - #6 (small) ring 16ga,
f10b06331 - 6-32 x 5/16" screw,
f30z06301 - #6 split ring washer,
f40z06300 - 6-32 hex nut
C1
.1U
R8 10K
* STAR GROUND
(to HC11 pin-31)
ControlCW
ControlCCW
MasterOut
+27
Analog Channels 5-6
10s5320b-4.Sch
MUX5
MUX6
MUX7
MUX8
DC5
DC6
DC7
DC8
SUM
H2
BRACKET 4-40
H3
BRACKET 4-40
H4
BRACKET 4-40
H5
BRACKET 4-40
Front panel PCB mounting hardware
R85 10K
SigLED4
LimLED4
LimLED4
SigLED4
(LEDs in series)
(+5V rail holds for 350ms after18V rail drops to 15V)
$FF=-1.45V
$00=+5.81V
(to RIB2a-12)
C6
none
(SINK)
(SINK)
(SINK)
VR1
10K
6
5
4
3
2
1
J5
EUROBLOCK 6
+
-
+
-
G
IN
OUT
n/c
DATA
ACN
ACH
ACH2
H9
BRACKET 4-40
HS2
HEAT SINK [3 X TO-220 1.625"]
R54
3.16K
R53
40.2K
+1.1v
C49
47U
D34
1N4004
HS1
None
Schematic Diagram: VCM-88E, Page 1 of 4