Question about Audio Players & Recorders
Sub part# B156WPDR0012
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Sub Woofer does not work
hi there are fast checkings for you: Quick Connect Card http://www.alteclansing.com/downloads/641QCC.pdf manual: http://www.alteclansing.com/downloads/641_MAN.pdf is the system working fine exept the sub? my guess: the headphone jack works fine then the speakears are too if soo then the sub amp is bad or some connection is torn try opening the sub and see if everything is hooked right and if soo then the amp is the problem every electronics shop can fix this good luck
Posted on Mar 21, 2006
Chances are if The Receiver only has sound in Stereo Direct Mode and all surround modes and Sub out are Inop the DSP (Digital Signal Processing) Card is most likey defective. These boards are not available from marantz (D&M Holdings) and must be Component level repaired which usually is not cheap. If Only the Sub out is not working check setup to be sure sub woofer is set for on. Also If On Screen setup menu does not appear on video monitor Unit may need to be Reset manually which entails discharging a Capaitor on main P.C.B Contact email@example.com for details
Posted on Jan 10, 2008
The indicator light needs to be replaced, there is a loose or poorly soldered connection on one of the led's leads, or the circuit providing the signal (voltage) for the light isn't functioning.
Posted on Feb 10, 2008
The sub contains the amp for the other speakers. But it sounds like the amp has a seriously damaged section and will probably have to be serviced by Bose.
Posted on Aug 05, 2008
SOURCE: replacing sub speaker
I wouldn't try reinventing it by replacing the driver. Drivers and their enclosures are designed to work together. And this being a self-amplified subwoofer, there is one more piece that's electrically optimized to the rest. Don't mess with it.
Why don't you just set your receiver's individual relative speaker volume levels so the sub isn't weak by comparison to your other speakers? Weakness, as you call it, is relative.
Is your receiver properly channeling Low Frequencies to the sub? Experiment with the cutoff, too.
This problem doesn't require meatball surgery.
Posted on May 19, 2009
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