Page 86
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Copyright © 2006 EMCEE Communications. All rights reserved.
This copyright notice should not be construed as evidence of publication.
Figure 13: Display Board, Schematic Diagram
APPV'L
OF
SHEET
CHK
CHK
-
+
-
+
-
+
-
+
1/2 DEG
1/64"
.005
.010
.XXX
.XX
TOLERANCES - EXCEPT AS NOTED
ANGULAR
FRACTIONAL
DECIMAL
SCALE
RELEASE
E. ENGR
M. ENGR
DR. CHK
DRAFT
MODEL
VERSION
NEXT ASSY:
BY
DATE
ECN
1
1
50527002A
7-27-06
CTT
Q11
U5
S3
DS11
R35
C14
HIGHEST REFERENCE DESIGNATIONS
REFERENCE DESIGNATIONS NOT USED
SCHEMATIC DIAGRAM,
DISPLAY BOARD
620
+12V
R9
.1uF
C1
IRLML2803
100K
R8
G
Q4
S
D
OP/STDBY
DS4
G
R
SSL-LX3059IGW
R4
DS3
620
+12V
SSL-LX3044LGD
LO. LOCK
IRLML2803
100K
R5
G
Q3
S
D
620
R7
Q2
100K
IRLML2803
G
R4
SSL-LX3044LGD
IF INPUT
DS2
S
D
620
R3
Q1
IRLML2803
100K
G
R2
DS1
SSL-LX3044LGD
S
EXT 10MHz
D
R1
620
J1-
13
J1-
14
J1-
8
J1-
7
J1-
6
J1-
9
J1-
12
J1-
11
J1-
10
J1-
3
J1-
15
IRLML2803
IRLML2803
IRLML2803
DS6
G
TEMP FAULT
SSL-LX3044LID
SSL-LX3044LXD
Q5
100K
R11
G
S
D
100K
R13
S
DS5
620
R10
SSL-LX3044LID
VSWR OVLD
Q6
D
100K
Q7
G
R15
S
D
FAULT
DS7
R12
620
R14
620
+12V
GN
D
GN
D
10
M
H
z
EXTERNAL
IF
INPUT
LO L
OC
K
STANDBY
O
PERAT
E
/
O
VERL
O
AD
VSWR
FAU
LT
AMPL
IF
IE
R
FAU
LT
TEM
PER
AT
UR
E
OPERATE/
STANDBY
1
2
1
2
3
S1
3
S2
O
PERAT
E
/
STANDBY
(IND
UCAT
O
R)
(S
WIT
CH)
ON
ON
AGC
OU
TP
U
T A
G
C
(S
WIT
CH)
DG442
U2
7
D
6
S
CONTROL
13
8
4
.1uF
C6
+12V
.1uF
C5
-12V
DG442
CONTROL
1
S
3
U2
D
2
IRLML2803
SSL-LX3044USBD
FWD POWER
10K
Q11
G
R35
S
D
DS11
R34
620
+12V
.1uF
C14
DS10
Q10
IRLML2803
G
S
D
R33
620
10K
R32
+12V
SSL-LX3044USBD
REFL POWER
CONTROL
IRLML2803
9
S
R30
10K
Q9
S
11
U2
D
10
620
R31
+12V
D
DS9
G
SSL-LX3044USBD
+12V
CONTROL
IRLML2803
S
D
R28
10K
Q8
16
SSL-LX3044USBD
DS8
G
15
14
U2
S
D
R29
620
+12V
-12V
J1-
2
J1-
1
J1-
5
J1-
4
FWD
4.7K
R16
RE
FL
R17
1K
4.7K
R19
+1
2V
-1
2V
1K
R20
100K
R18
51
R21
U5A
74HC74
Q
Q
CLK
D
SET
6
5
3
2
RESET
4
GND
1
7
11
12
74HC74
RESET
CLK
13
9
Q
SET
14
VCC
D
10
U5B
8
Q
NC
NC
GND
7
3 CLK
RESET
1
Q 5
74HC74
2 D
SET
4
U4A
Q 6 NC
U4B
74HC74
11 CLK
RESET
13
Q
14
VCC
12 D
10
SET
Q
9
8 NC
1/4W
1/4W
J2
-3
J2
-1
J2
-2
J2
-5
J2
-4
J2
-9
J2
-8
J2
-7
J2
-6
J2
-1
0
NC
NC
GN
D
NC
NC
+5
V
+5
V
GN
D
+5V
47K
R27
+5V
C10
.1uF
+5V
R26
10K
C9
.1uF
+5V
+5V
C12
.1uF
+5V
+5V
10K
R25
.1uF
C13
8
INPUT
+12V
7
LM78L05
U1
2 3 6
1
NC
4 5
NC
+5V
.1uF
C4
.1uF
C3
74HC123
U3
VCC
16
.1uF
C8
+5V
7 REXT
R24
270K
+5V
10K
R23
+5V
B
10
+5V
COX
6
R
11
1uF
C11
C7
.1uF
2R
9
10K
R22
+5V
8
3
5
Q
S3
1
3
2
MOMENTARY
DG442
DG442
GND
CLR
J2
J1
HSD Series
TM
Transmitter
© 2006 EMCEE Communications
10K
METER