Quantcast AM-2060(*)/GRC, ANT. FREQ. CONTROL Switch S2, Removal and Replacement

 

Click here to make tpub.com your Home Page

Page Title: AM-2060(*)/GRC, ANT. FREQ. CONTROL Switch S2, Removal and Replacement
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Section III. OA-3633(*)GRC, PARTS REMOVAL AND REPLACEMENT PROCEDURES
Up
TM-11-5820-498-35 Radio Sets AN/VRC-53 AN/VRC-64 AN/GRC-125 and AN/GRC-160 and Amplifier Power Supply GROUPS 0A-3633/GRC and 3633A/GRC Manual
Next
Figure 3-11. AM-2060(*)IGRC, top view with plug-in assembly in place.


TM 11-5820-498-35
Figure 3-10. AM-2060( * )/GRC, access plate and gasket.
(4) Replace the Mounting screws and nylon
strap.
c. Testing Voice Coil Polarity. When a 4.5
1.5 volt dc potential is connected to the voice
coil terminals, with the positive polarity applied
to the terminal next to the red mark, the voice
coil shall move in a direction away from the mag
net.
315.
AM-2060(*)/GRC,  ANT.  FREQ.
CONTROL Switch S2, Removal and
Replacement
(fig. 3-12 and 3-16)
a. Removal.
( 1 ) Remove the access plate from the top of
the AM- 2060(*)/(GRC.
( 2 ) Set the ANT. FREQ. CONTROL to
Figure 3-9. AM-2060 ( * )/GRC, plug-in assembly, test
3033 position.
points with voltage and resistance indications.
(3) Remove the knob retaining screw (A, fig.
voice coil terminals. Tag the leads (VC1 or VC2)
3-16). Remove the switch knob from the switch
to insure correct replacement. Remove LS1. See c
shaft.
below for testing the polarity of the loudspeaker
(4) Remove the nut that secures the switch
magnet.
to the front panel.
b. Replacement.
(5) Slide switch S2 back into the compart-
(1) Place the loudspeaker cover on a new
ment. Do not exert too much force or push the
LS1 by holding LS1 firmly and snapping the cover
switch back too far; the leads may break.
i n place. Check to insurc that the mounting holes
(6) Hold the replacement  switch  in th
in the cover align with the mounting holes in
exact position as the original switch, remove th
LS1.
connecting wires and capacitors C1 through C7
(2) Solder the leads that come from the
(fig. 3-12) from the original switch, one at a
feedthrough terminals VC1 and VC2.
time, and connect them to the corresponding con-
(3) Place LS1 in the loudspeaker cavity.
tact on the replacement switch.
Check to insure that the mounting holes in the
b. Replacement.
loudspeaker cover and LS1 align with the mount-
(1) Replace the switch shaft through the
ing holes in the front of the AM- 2060(*) /GRC.
opening in the f ront panel.
3-14


Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business