Emtron DX-3 - Control Board and Adjustment Points

25
15.3 Control Board and Adjustment Points
COMPONENT SIDE VIEW
The drawing below shows all the connections to the control board and the adjustment points.
Unless you know very well what you are doing and you have a reason to do it, do not modify any adjustment!
LEGEND:
GRY – grey GRN – green W – white V – violet Y – yellow PNK - pink
BLU – blue R – red BLK – black ORN - orange
OD/TX
TXON
SWR
FAULT
SWR/FLT
PTT2
Y/GRN
W/R
GRY
PNK/BLK
W/BLK
X
O/DRV
BIAS
READY
RFIN
HLSW
HLSW
VIOLET
WHITE
RED/GRN
BROWN
GRN/BRN
GRN/BRN
ALC
SWR2
SWR1
SWR4
SWR3
ALC2
PNK/BLK
Y/BLK
Y/BLK
Y/RED
Y/RED
GREEN
T110-1
T110-2
GND
GND
300VAC2
300VAC1
YELLOW
YELLOW
GREEN
X
GRY/BLU
GRY/BLU
RLY2
ORN
Y/GRN
12VP
RLY1
STBY1
STBY2
QSK1
BLUE
ORN/BLK
ORN
22Vac
I
GRY/BLK
PTT2
PTT1
IPTRIP
QSK
Y/GRN
QSK
R
R
W
V
TP2
SWR
Sensitivity
+
-
DISP
DISP
IG2F
IG2R
EG2
GND
RED
X
GRY/BLU
ORN/BL
K
BLUE
X
EBS
Off
On
BIAS
-
+
I
p
Pre-BIAS
-
+
I
SCREEN
+
-
Eg2
Ig2Lim
+
-
Ig2
EBS
+
-
Sensitivity
IPDispl
+
-
IpTRIP
-
+
Ip
V
100VAC1
100VAC2
10VAC1
10VAC1
10VAC2
10VAC2
YELLOW
YELLOW
PINK
PINK
PINK
PINK
GRN