Microwave Data Systems MDS 4310 - Page 86

MDS 05-2415A01, Rev. A FIELD TESTS & ADJUSTMENTS 4-25/26
J6
R25
RECEIVE
AUDIO LEVEL
J14
RX AUDIO
NORMAL/INVERT
OPTION BOARD 2
J5 & J7
J1
EXTERNAL
INTERFACE
LED
INDICATORS
J2
DC POWER
INPUT
F1
4A FUSE
R41
SQUELCH
THRESHOLD
R69
TX POWER
OUTPUT
TX FREQ.
C247
VCO RANGE
(THRU SIDE
OF SHIELD)
J4
ANTENNA
OPTION BOARD 1
J6 & J8
J8
J7 J5
R179
HF AUDIO
COMP.
INV.
Z1
Z2
R168
TX DEV.
J11
SHUNT AS
REQUIRED
RS-232
DISABLE
LED
ENABLE
J16
FULL DUPLEX
INTERFACE
3
4
1
2
NORM
L25
L8
T1
Figure 4-9
MDS 4310 Transceiver 2314Axx PC Board
Test Points and Adjustments
Potentiometer types may differ from those shown.