Index-3
Front panel assembly
Connectors
Accessory connector, 12-8
Antenna connectors, 12-10
50 ohm antenna connector, 12-10
Whip antenna connector
, 12-10
Audio connectors
, 12-7
Mobile antennas, 12-11
Front panel assembly diagram (rear view),
12-1
Switches
Channel switches, 12-1
Power switch (S7), 12-2
Digit and tune switch
Digit switch, 12-5
Tune switch, 12-5
EXT AMP position, 12-3
HI power position, 12-3
LO power position, 12-3
Mode and option switch, 12-4
LITE position, 12-4
LSB position, 12-5
OPT position, 12-5
SQUELCH position, 12-4
UPS position, 12-4
OFF position, 12-2
Whip Tune button, 12-6
I
Internal options
Automatic Link Establishment
(1099ALE)
, 13-1
ALE board component locations
diagram (735215), 13-7
ALE board parts list (010-00200)
,
13-11
ALE board schematic diagram
(994166)
, 13-9
ALE signal connections and
adjustment points diagram
,
13-6
Block diagram
, 13-1
Circuit description
, 13-2
-5V generator
, 13-4
Audio buffers, 13-5
Audio interface
, 13-4
Buffers, 13-3
clock oscillator, 13-3
Control logic, 13-4
Digital signal processor (DSP),
13-4
Dual port RAM
, 13-4
Main ALE processor
, 13-2
Memory backup, 13-3
Program storage, 13-3
Reset controller, 13-3
Connector pin assignments
J1 connector, 13-5
Operation, 13-2
Internal Protocol Interface
(PRC1099A-IP), 13-14
J
Junction board
Circuit description, 11-1
+5V supply, 11-1
+8V supply, 11-1
DC clamps, 11-1
Component locations, schematics, and
parts list, 11-3
Component locations diagram
(738222), 11-4
Parts list (009-00901), 11-7
Schematic diagram (994164), 11-5
Connector pin assignments
J1 connector, 11-2
J2 connector, 11-2
J3 connector
, 11-2
L
LSB, 1-4
see also Modulation modes, USB/LSB
mode
M
Maintenance
Disassembly
Adjustments
1650 kHz IF board, 14-25
Audio/Filter board
, 14-23
Mixer board
, 14-25
PA board, 14-27