TM 11-5820-921-40-1
TABLE 3-6. POWER AMPLIFIER AM-6545/GRC-193 ASSEMBLY AND/OR
COMPONENT INSPECTION PROCEDURES
INSPECT
FOR
MODULE, PCB/PWB, OR COMPONENT
Dirt and/or residue on unit contours; clogged heat
Power amplifier unit (external) including J1
exchanger intakes and outlets; clogged fan and/or
ANT CPLR CONT connector, J2 RT-CONT
relief valve outlet; damaged connectors and/or
connector, J3 DC PWR connector, J4 ANT
connector threads; bent, loose, or missing pins in
CPLR RF connector, and J5 RT RF connector.
the J1 and J2 CONTROL connectors; blurred or
missing case markings; scratched or gouged painted
surfaces; loose or missing handle hardware; struc-
tural cracks (casting); damaged meter (1A14M1);
rotten or deteriorated circuit breaker boots and
push-button seal nut.
Power amplifier unit (internal). All com-
Loose, frayed, abraded, or broken wires; discon-
nected wires and/or cold solder joints; cracked or
ponents assembled - cover removed)
missing insulation; evidence of overheating; bent
or broken parts or components; loose or missing
hardware; foreign objects and/or disconnected
parts; structural cracks (casting).
Heat sink blower 1A14B1 (vaneaxial fan), heat
Loose, missing, or damaged cover hardware; loose,
frayed, abraded, or burned wires. Loose, missing,
exchanger fins, blower capacitor 1A14C3,
or damaged hardware; cold soldered joints; broken
and feedthroughs 1A14C4, C5, and C6
or missing terminal lugs; dirt and/or corrosion on
tins; seized fan rotor; cracked or damaged fan
structural case; overheated, cracked, or missing
components.
Loose, damaged, or missing hardware; overheated,
Meter Board PWB Assembly 1A1
cracked, or missing pc board components; bent or
damaged switch mounting bracket; bent pins or
damaged edge connector; cracked, lifted, or cut
pc board runs; cold soldered joints; damaged or
missing card extrator handles.
Loose, damaged, or missing hardware; overheated,
DC Control PWB Assembly 1A2, System
cracked, or missing pc board components; bent
Control PWB Assembly 1A3, Tune Control
pins or damaged edge connector; cracked, lifted,
PWB Assembly 1A4, Servo Amplifier PWB
or cut pc board runs; cold soldered joints;
Assembly 1A5, and Band Control PWB
damaged or missing card extractor handles; bent
Assembly 1A6 including the card cage
or broken pc board locator slides on card cage
assembly
assembly.
Bent, damaged, or missing outer case or case hard-
ALC Module Assembly 1A7, Tune Detector
ware; broken, bent, or missing captive mounting
Module Assembly 1A10, RF Driver Module
hardware; dirt and/or corrosion in or on the rf
Assembly 1A11, Static Power Inverter
input and output connectors; bent or missing con-
Assembly 1A12, and High Voltage Module
nector/receptacle pins; overheated, cracked, or
Assembly 1A13
missing pcb components; loose, frayed, abraded,
broken, or missing wires; cracked, lifted, or cut
pcb runs; cold soldered joints.