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
 +
File:PRC-174-4.JPG
 +
File:PRC-174-5.JPG
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File:PRC-174-6.JPG
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</gallery>
  
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==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
 
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5 X10 100hz BCD1
 
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6 X22 1khz BCD4
 
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7 X43 100khz BCD8
 
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8 REM CONT (ground to enable remote control)
 
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9 N/C
 
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10 X51 1mhz BCD2
 
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11 X31 10khz BCD2
 
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12 X12 100khz BCD4
 
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13 IND (high to enable indicator functions)
 
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14 GND
 
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15 VOL REMOTE (remote volume control)
 
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16 BAT IN (battery pack in, might be able to charge with this pin)
 
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17 X21 1khz BCD2
 
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18 X42 100khz BCD4
 
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19 TRANSIT (pulse when 10mhz, 1mhz, 100khz or 10khz are changed)
 
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20 NCW (high when narrow CW is selected)
 
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21 WCW (high when wide CW is selected)
 
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22 DATA (high when data is selected)
 
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23 12V REM (12 volts when remote is selected) 24 X52 1mhz BCD4
 
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25 X32 10khz BCD4
 
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26 X13 100hz BCD8
 
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27 BATT CHK (high to enable battery check and LED display)
 
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28 TX LEVEL (high to enable power our and LED display)
 
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29 TUNE (high when radio is tuning)
 
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30 FO UNLOCK (high when synthesizer is unlocked)
 
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31 N/C
 
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32 S METER (analog RSSI)
 
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33 DIP (high when radio on dipole, low when on whip)
 
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34 X20 1khz BCD1 35 X41 100khz BCD2
 
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36 X60 1mhz BCD1 37 AM (high to enable AM mode)
 
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38 OFF (LOW when off – 24v when hi, caution)
 
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39 ON (LOW when on – 24v when hi, caution)
 
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40 USB (LOW when on USB, 12v when hi)
 
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41 R/T (LOW when tx enabled, 12v when hi)
 
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42 SSB (high to enable SSB mode)
 
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43 N/C
 
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44 X53 1mhz BCD8
 
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45 X33 10khz BCD8
 
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46 N/C – book says N/C but had some kind of pulsing on it
 
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47 SAVE/SQUELCH (hi batt save mode on 174, squelch mode on 174S)
 
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48 NO MATCH (high when no match found)
 
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49 MIC GND
 
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50 MIC HI
 
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51 PHONE (handset rx audio)
 
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52 PTT
 
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53 +12V
 
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54 ALC (not sure about this one...)
 
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55 PTT 12V
 
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56 BP (PA) (ground to bypass PA when using external amp, 100mw out)
 
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57 FIXED AUDIO (100mv fixed audio)
 
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58 X40 100khz BCD1
 
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59 X61 1mhz BCD2
 
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60 N/C – book says N/C but had some kind of pulsing on it
 
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61 LT (M.N. BP) matching network bypass
 
  
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===Vehicle Mount===
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===66 Pin Round connector, add these pins===
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<gallery widths=100px heights=100px perrow=5>
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:'''62''' - SQUELCH
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File:PRC-174-7.JPG
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:'''63''' - N/C
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File:PRC-174-8.JPG
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:'''64''' - N/C
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File:PRC-174-9.JPG
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:'''65''' - MIC
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File:PRC-174-10.JPG
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:'''66''' - GND
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File:PRC-174-11.JPG
 +
File:PRC-174-12.JPG
 +
File:PRC-174-13.JPG
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</gallery>
  
 
==Related Files==
 
==Related Files==
Line 83: Line 36:
 
::RT 936/PRC as174
 
::RT 936/PRC as174
 
::January 1987
 
::January 1987
 +
 +
 +
;{{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

  • PRC-174-1.JPG
  • PRC-174-2.JPG
  • PRC-174-3.JPG
  • PRC-174-4.JPG
  • PRC-174-5.JPG
  • PRC-174-6.JPG


Vehicle Mount

  • PRC-174-7.JPG
  • PRC-174-8.JPG
  • PRC-174-9.JPG
  • PRC-174-10.JPG
  • PRC-174-11.JPG
  • PRC-174-12.JPG
  • PRC-174-13.JPG

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
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