Rosen Aviation
Document Number: 100318
Revision: A
Date: 03/11/08
Template: 4.2.3-6-FM; Revision A; 16 May, 2005
Page 10 of 13
7.2. Specifications
Table 7 Headphone Distribution Amplifier specifications
Weight
.85 lbs [.3856 kg]
Dimensions
7.7
” (W) x 1.4” (H) x 5” (D)
[19.56 cm (W) x 3.56 cm (H) x 12.7 cm (D)]
Power Requirements
28V DC
Operating Temperature
0ºC - 50ºC
Warranty
2 year
7.3. Troubleshooting
If the audio does not function properly, refer to the following troubleshooting tips for symptoms
and possible solutions before contacting Rosen Aviation field support.
Table 8 Troubleshooting tips and solutions
Problem
Possible Solutions
Power LED does not illuminate
(GREEN)
Verify pinout to power input connection is correct.
No sound
Wait at least five seconds after turning on the Headphone
Distribution Amplifier power.
Verify the pinout for audio is correct.
Verify audio signal on connector pins.
Adjust the potentiometers clockwise to increase audio level.
Verify that audio source is in play mode.
Check for damaged connector pins.
Check DIP switch configuration.
Amplifier does not cycle
through sources
Check the DIP switch settings and adjust.
Check for damaged connector pins.
Verify source select switch operation and pinout.
If you need assistance with an installation, please contact Rosen Aviation at 541.342.3802 or
888.668.4955.
