Rosen Aviation 0700-001 : Headphone Distribution Amplifier - Manual (Page 10)

Rosen Aviation
Document Number: 100318 Revision: B
Date: 05/19/15
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.