Question about Infinity BASSLINK Car Subwoofer

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Basslink works for a few seconds after i turn on the stereo, then it fades away. The servo light is always on even when i disconnect the input line and turn the knobs to the min level. What could be wrong?

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Hello, check the +15v and -15v on the Switching Power Supply Control board. If one or both are missing, it is probably Q117 for +15v and Q118 for -15v. If one is missing the limit comparator will rail to one side and cause the auto variable volume control to trip the servo protection.

Posted on Oct 17, 2010

  • bebomed87 Aug 29, 2011

    hello, could you explain how to do it and where to find it? Because I do not know much about that. thanks

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Need schematic diagram infinity basslink subwoofer


Design: The BassLink brings together a 10" subwoofer (treated paper cone, foam surround), a 10" passive radiator (to increase efficiency and limit distortion), and an extremely efficient, specially designed 200-watt Class D amplifier that work as an integrated system. Special circuitry monitors voice coil position to maintain linearity at high power levels, so you hear loud, clear bass.

Enclosure Type and Materials: The enclosure is made of an acoustically inert polymer which is rigid enough to resist flexing and dampens any resonance.

Servo-Control: The servo-control system continually monitors the performance of the speaker and ensures that the amplifier delivers exactly the right amount of power.

Class D Amplifier: This unit has a built-in 200 watt Class D amplifier which is highly efficient and designed specifically for use with the subwoofer and passive radiator combination.

Auto Turn-On Feature: When the speaker level inputs are used, the system will automatically turn on and off with the radio. Note: The auto turn-on feature does not operate when the preamp level inputs are used, unless the remote turn-on lead is connected.

Low-Pass Crossover: The low-pass crossover frequency can be varied from 50Hz to 120Hz for a seamless transition between the output of this unit and that of the other speakers in the vehicle. The crossover has a slope of 12dB per octave.

Bass Boost: The amplifier includes a continuously adjustable bass boost from -6 to +3dB centered at 40Hz.

Phase Switch: Allows you to select normal or reverse for best bass.

Mounting: You will be able to put BassLink in a variety of in-vehicle locations, thanks to its compact size and mounting feet that enable the rigid polymer box to be mounted vertically or horizontally.

Vertical Mounting Dimensions:
Width: 14.625"
Height: 13.375" (including feet)
Depth: 8.675" (10.076" including feet)
Horizontal Mounting Dimensions:
Width: 14.625"
Height: 9.5" (including feet)
Depth: 12.75" (15.1875" including feet)

BassLink LC Remote Level Control

Overview: The BassLink LC allows you to adjust the volume of BassLink powered subwoofer.

Installation: The BassLink LC may be mounted under the dash or may be dismantled and mounted inside the dash for a factory appearance.

Under-dash Mounting: Select a mounting location that allows easy, safe access to the control while driving. The BassLink LC has mounting "ears" to use as a template for drilling pilot holes. Attach screws through the "ears" to secure the BassLink LC to the mounting surface.
In-dash Mounting: Disassemble the BassLink LC by removing the Phillips-head screws on the front, rear, and top panels. Remove the bottom and side panels and disengage the RJ11 connector from the back panel. Choose a mounting location that allows easy, safe access to the control, and provides 1-3/4" clearance behind the mounting surface. Drill a 9/32" hole in the mounting surface. Feed the BassLink LC's potentiometer (with the knob removed) through the hold and use the nut provided to hold the control in place.
Connecting to BassLink: Route the cable behind the dash or other interior panels and under the carpet. Do not route the cable outside the vehicle. Connect the cable on both ends.

Inputs and Controls

Inputs:

Universal Interface: Front and rear, left and right Universal interface speaker-level inputs (for use with the supplied speaker-level input wiring harnesses)
Line Level RCA Inputs: Front and rear, left and right female preamp level inputs
+BATT (+12V): Gold-plated screw terminal, 0.350" wide
REM (remote turn-on): Gold-plated screw terminal, 0.350" wide
GND (ground): Gold-plated screw terminal, 0.350" wide
Fuse: There is an installed 20 Amp fuse
Remote Gain Control: Phone type jack for included remote gain control

Controls:

Gain Control: Rotary control that sets gain (variable from 250mV to 4V)
Crossover Control: Rotary control that sets the low-pass crossover point (variable from 50 to 120Hz)
Bass Boost Control: Rotary control that sets bass boost level (variable from -6 to +3dB, centered at 40Hz)
Phase Switch: Selects normal or reverse phase (0 or 180 degrees)
Power LED: The power LED glows red when the BassLink is on
Servo LED: The Servo LED glows green when the servo circuit has determined that the woofer has reached maximum excursion and power to the woofer has been modified to provide maximum performance. The LED should light momentarily during high-level bass transients. Note: Avoid adjustments that cause the LED to remain lit for an extended period of time


Thanks

Apr 01, 2012 | Infinity Bass Link Subwoofer Car Audio...

2 Answers

Power light


Hi Bill, I believe the power problem is related to the Remote wire which should be blue or yellow. The remote wire is suppose the turn the Basslink on and off when the radio is turned on and off. The yellow wire is normally used for power antenna. Traditionally the remote wire is blue. You can use a Speaker level adapter and splice in with the L/R rear speaker wires, and the adapter will convert the speaker level to line level. The output of the adapter will go to the Rear speaker input on the basslink., Write back if you need more detail on the adapter.

Oct 07, 2007 | Infinity BASSLINK Car Subwoofer

1 Answer

Basslink has no output, but Power LED and Servo LED always on.


Hi,

One or more of the DC to DC outputs might be bad. Check the
/- 54v on the main PCB and the /-15v on the switching controller PCB.
Losing one side of the 15v will cause the limit comparator to rail and force the servo protection, even with no input signal.

Apr 02, 2010 | Infinity BASSLINK Car Subwoofer

1 Answer

Stereo Amplifier fades out. My Sansui dolby pro


No that's how to describe a problem, folks - with details. Using internal FM as the source is always the preferred way of troubleshooting system-wide receiver audio problems (no cables or setting in the way).

Does the sound come on immediately with power and then fade or is there a small delay while the electronics stabilize, a click and then sound that fades?

The fizzle probably means something is rapidly overheating or a capacitor is malfunctioning. If both channels do it, I'd suspect a common power supply problem. Can't help much more than that.

Dec 12, 2009 | Audio Players & Recorders

1 Answer

Basslink red light on but no sound


check the all power lines and regulator .is any of them overheating?
then check the power amp ic or transistors.

nuwan.

Jan 12, 2009 | Infinity BASSLINK Car Subwoofer

1 Answer

Infinity Basslink killing battery


Both issues sound like they are related to a non-connected or loosely connected remote wire on the Basslink.

If you're using RCA preamp wires to connect your stereo to the Basslink, make sure the remote wire input on the Basslink is solidly connected to the stereo's remote output.

If you're using the speaker level inputs on the Basslink and not the RCA preamps, make sure the remote input is not connected, as the Basslink will automatically turn on when it senses the speaker level inputs are active.

Mar 19, 2008 | Infinity BASSLINK Car Subwoofer

1 Answer

Power LED lit, Servo LED lit as well, no output


check the power cables on the amp and the inputs.isome time when ground cable disconnect the lioghts will light up any way. depending on the way ur vehicle is ground ed .toyota chssis r usually posite un like the norm which is neg.rating please

Jan 21, 2008 | Infinity BASSLINK Car Subwoofer

1 Answer

Basslink drops out.


The auto on switch should only be in the on position when the REM wire is NOT connected. Auto on can be flaky. Basslinks respond better to RCA inputs then the high level ones. You might try getting an RCA line converter, they work very well with the Basslink.

Oct 02, 2007 | Infinity BASSLINK Car Subwoofer

1 Answer

Light is always on!


yes the problem is in the installation.the power supply usually has 2 to 3 positives one positive which is usually red go directly to battery. the other,either yellow,orange,or blue go to car stereo(not to battery or ignition) this supply,turn off the amp when u turn of the stereo. hope this help u....

May 09, 2007 | Infinity BassLink II Car Subwoofer

3 Answers

Basslink intermittant


i posted similar prob. servo lights when power is being cut to speaker (over drive) and manual shows it for purpose of tuning gain. it should flicker at highest input only...mine is on always too. infinity wasnt much help since mine is out of warranty.

Nov 13, 2006 | Infinity BASSLINK Car Subwoofer

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