Page 1 200-193-0005 rev. 8, nov. 2013 9800 martel road lenoir city, tn 37772 pm3000 high-fidelity stereo intercom system part number 11931a: 4-place standard standard and part number 11932: 6-place with crew crew mode operation and installation manual faa-tso c50c also includes 11933a, 11934, non-fa...
Page 2 200-193-0005 rev. 8, nov. 2013 a 2-color led is green when power is on and changes to red when a push to talk (ptt or microphone key) is pressed. Provision for entertainment input allows the pilot, co- pilot and passengers the option to listen to music dur- ing flight. During intercom or airc...
Page 3 200-193-0005 rev. 8, nov. 2013 1.6 equipment required but not sup- plied a.Interconnecting cables as required (may be ordered from ps engineering) b.Headphones, 150 Ω stereo, as required c.Microphones, general aviation, as required d.Interconnect wiring e.Circuit breaker 1 amp. F. Optional (s...
Page 4 200-193-0005 rev. 8, nov. 2013 into the aircraft and connect them directly to the ap- propriate pins of the pm3000. See the wiring diagram for all details of the wire harness interconnect. 2.4.1 electrical noise issues warning: you must use individual shielded cables for the microphone and he...
Page 5 200-193-0005 rev. 8, nov. 2013 (located on the squelch control) in will inhibit this fea- ture. Press again to reactivate softmute. Music #2 will never be muted during conversation and is heard only by the passengers while the intercom is in the crew mode. 2.4.6 passenger volume adjustment th...
Page 6 200-193-0005 rev. 8, nov. 2013 section iii operation with the installation is complete, turn the pm3000 on by pushing the volume control. This also engages the automatic fail-safe system. The intercom volume con- trol does not control the volume of the aircraft radio, allowing an additional d...
Page 7 200-193-0005 rev. 8, nov. 2013 3.3 mode select the center switch is a mode control that allows the pilot to tailor the intercom function to suit flight condi- tions. Regardless of configuration, the pilot will al- ways hear the aircraft radio. Note: if there is a power failure to the pm3000, ...
Page 8 200-193-0005 rev. 8, nov. 2013 4.2 factory service the pm3000 is covered by a one-year limited war- ranty. See warranty information. Call ps engineering, inc. At (865) 988-9800 before you return the unit. This will allow the service techni- cian to provide any other suggestions for identifyin...
Page 9 200-193-0005 rev. 8, nov. 2013 db 25 unit connectors recorder playback connection (11933a, 19934) 1 2 3 4 5 14 15 16 17 18 6 7 8 9 19 20 21 22 10 23 24 11 12 25 13 power (11-33 vdc) ground a/c radio input music lo pass 2 phones (r) pass 1 audio (r) music input (l) pass 2 mic hi copilot mic hi...
Page 10 200-193-0005 rev. 8, nov. 2013 pm3000 (11932, 11934) w/crew, 6-place wiring diagram notes: 1. All wire must conform to mil-22759 or 27500. Minimum 24 gage shielded wire. 2. Use 2-, and 3-, conductor with shield as indicated. 3. Use insulating washers on all jacks. Jacks must be electrically ...
Page 11 200-193-0005 rev. 8, nov. 2013 pm3000 (11931a& 11933a) 4-place standard intercom (without crew) wiring diagram copilot phone audio (l) copilot phone audio (r) copilot phone audio lo 21 8 20 7 1a 11-33 vdc 13 1 14 pm3000 sub-d db-25 male on unit pass 1 mic power in ground aux headphone jack a...
Page 12 200-193-0005 rev. 8, nov. 2013 rtca do-160c environmental qualification: form nomenclature: intercom, stereo, panel mounted unit type: pm3000 part number: 11932 faa tso number: c50c manufacturer: ps engineering incorporated 9800 martel road lenoir city tn 37772 conditions section conducted t...
