Difference between revisions of "AN~PRC-174"

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[[File:PRC-174.png]]
  
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==Images==
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<gallery widths=100px heights=100px perrow=5>
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File:PRC-174-1.JPG
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File:PRC-174-2.JPG
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File:PRC-174-3.JPG
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File:PRC-174-4.JPG
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File:PRC-174-5.JPG
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File:PRC-174-6.JPG
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</gallery>
  
==Control Connector Pinouts==
 
===61 Pin Israeli Connector (Small or Hex)
 
1 X23 1khz BCD8
 
2 X50 1mhz BCD1
 
3 X30 10khz BCD1
 
4 X11 100hz BCD2
 
5 X10 100hz BCD1
 
6 X22 1khz BCD4
 
7 X43 100khz BCD8
 
8 REM CONT (ground to enable remote control)
 
9 N/C
 
10 X51 1mhz BCD2
 
11 X31 10khz BCD2
 
12 X12 100khz BCD4
 
13 IND (high to enable indicator functions)
 
14 GND
 
15 VOL REMOTE (remote volume control)
 
16 BAT IN (battery pack in, might be able to charge with this pin)
 
17 X21 1khz BCD2
 
18 X42 100khz BCD4
 
19 TRANSIT (pulse when 10mhz, 1mhz, 100khz or 10khz are changed)
 
20 NCW (high when narrow CW is selected)
 
21 WCW (high when wide CW is selected)
 
22 DATA (high when data is selected)
 
23 12V REM (12 volts when remote is selected) 24 X52 1mhz BCD4
 
25 X32 10khz BCD4
 
26 X13 100hz BCD8
 
27 BATT CHK (high to enable battery check and LED display)
 
28 TX LEVEL (high to enable power our and LED display)
 
29 TUNE (high when radio is tuning)
 
30 FO UNLOCK (high when synthesizer is unlocked)
 
31 N/C
 
32 S METER (analog RSSI)
 
33 DIP (high when radio on dipole, low when on whip)
 
34 X20 1khz BCD1 35 X41 100khz BCD2
 
36 X60 1mhz BCD1 37 AM (high to enable AM mode)
 
38 OFF (LOW when off – 24v when hi, caution)
 
39 ON (LOW when on – 24v when hi, caution)
 
40 USB (LOW when on USB, 12v when hi)
 
41 R/T (LOW when tx enabled, 12v when hi)
 
42 SSB (high to enable SSB mode)
 
43 N/C
 
44 X53 1mhz BCD8
 
45 X33 10khz BCD8
 
46 N/C – book says N/C but had some kind of pulsing on it
 
47 SAVE/SQUELCH (hi batt save mode on 174, squelch mode on 174S)
 
48 NO MATCH (high when no match found)
 
49 MIC GND
 
50 MIC HI
 
51 PHONE (handset rx audio)
 
52 PTT
 
53 +12V
 
54 ALC (not sure about this one...)
 
55 PTT 12V
 
56 BP (PA) (ground to bypass PA when using external amp, 100mw out)
 
57 FIXED AUDIO (100mv fixed audio)
 
58 X40 100khz BCD1
 
59 X61 1mhz BCD2
 
60 N/C – book says N/C but had some kind of pulsing on it
 
61 LT (M.N. BP) matching network bypass
 
  
 
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===Vehicle Mount===
===66 Pin Round connector, add these pins===
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<gallery widths=100px heights=100px perrow=5>
'''62''' - SQUELCH
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File:PRC-174-7.JPG
 
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File:PRC-174-8.JPG
'''63''' - N/C
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File:PRC-174-9.JPG
 
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File:PRC-174-10.JPG
'''64''' - N/C
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File:PRC-174-11.JPG
 
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File:PRC-174-12.JPG
'''65''' - MIC
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File:PRC-174-13.JPG
 
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</gallery>
'''66''' - GND
 
  
 
==Related Files==
 
==Related Files==
Line 87: Line 36:
 
::RT 936/PRC as174
 
::RT 936/PRC as174
 
::January 1987
 
::January 1987
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 +
 +
;{{pdf|MA-2124-09503-00.pdf|MA 2124-09503-00}}
 +
:Maintenance Manual
 +
::HF-SSB RADIO SET
 +
::PRC-174
 +
::July 1986
  
  
 
[[Category:Military/Radios]]
 
[[Category:Military/Radios]]
 +
{{DISPLAYTITLE:AN/PRC-174}}

Latest revision as of 16:02, 12 December 2013

PRC-174.png

Images


Vehicle Mount

Related Files

Adobe PDF icon.png OM-107-10

Technical Manual
Radio Set
PRC-174
August 1976


Adobe PDF icon.png MA(P)-2124-09514-00

ILLUSTRATED PARTS BREAKDOWN
HF-SS r. RADIO SET
RT 936/PRC as174
January 1987


Adobe PDF icon.png MA 2124-09503-00

Maintenance Manual
HF-SSB RADIO SET
PRC-174
July 1986