Test Setup Procedures; Connection Of Bass Module Using A Cd-5/Cd-20 Music Center - Bose Loewe Concertos Acoustimass 61247 Service Manual

Connection of Bass Module Using a

Test Setup Procedures

Connect the input cable, part number, (90374.978 for the CD-20) or (90375.934 for the CD-5) to the
music center and the bass module. Connect the power supply to the music center and the line
cord to the bass module. Connect a satellite speaker to one of the output RCA connectors on the
bass module.
Apply a 100 mVrms, 250 Hz signal to the left and right AUX input on the music center. Turn the
music center on and adjust the volume to maximum using the either the remote control or the
buttons on the music center's control panel. The remote control would be the best option.
Turn the system on by selecting the Aux button on the remote, and listen for audio from the bass
box as well as the satellite speaker.
If you hear audio using the remote control and a satellite speaker, check the outputs for left, right
and center channel. Follow the instructions (from the owners manual) listed below for proper
system function. If no audio output, go to the DSP troubleshooting section.
Source
Video 1, Video 2, or Aux
Tape
CD and AM/FM
Source
Video 1, Video 2, or Aux
CD, AM/FM, or Tape
Audio Source
Mono Dolby Digital
Any other audio source
Selection
Center Speaker Level
Surround Speaker Level
CD-5/CD-20 Music Center
Enhanced Mode Table
Default Mode
Enhanced mode
Standard mode
Standard mode
Dynamic Range Compression Table
Dynamic Range
Compression
On by default
Off by default
Simulated Surround (mono into 5 speakers)
Simulated Surround
On by default
Off by default
Reset Factory Speaker Level Settings
Press STEREO and CENTER (3-speaker) button
until you hear a 3 note chime
Press SURROUND (5-speaker) button until you hear
a 3 note chime
Select the same source for
standard mode
Select the same source for
enhanced mode
Cannot change mode in these
sources
Change Dynamic Range
Press and hold the STEREO (2-
speaker) button until two chimes
are heard
Press and hold the STEREO (2-
speaker) button until one chime is
heard
Change Simulated Surround
Press and hold the SURROUND
(5-speaker) button until two chimes
are heard (OFF)
Press and hold the SURROUND
(5-speaker) button until one chime
is heard (ON)
Reset Factory Settings
24
Change Mode