Question about Car Audio & Video
Regards from Mexico, I bought a broken MTX THUNDER 4200X and someone already tried to fix it, I need schematic diagram and parts list to repair it. Some transistors have already been replaced but I do not know which are the correct parts.
Thank you in advance!
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Posted on Jan 02, 2017
hello ..try this ...www.eserviceinfo.com...takes a bit of working out how to get them .when you do .you have to download bitzipper (these are a rar file)...then adobe 8 ..bitzipper can convert to a pdf flie so you can read them...hope you have some luck
Posted on Feb 12, 2008
SOURCE: need help MTX 1501d amp diagram
Remove cover and set in direct sunny window for long time, may be no problem with it, Took a month to dry one of my amps out enough that it decided it would come back to life, cell phone dropped in sink took 2 weeks, If you try power to it too soon --fried--, good luck finding diagram and repairing it sincerely-hope its okay, good amp, bad luck,
Posted on Mar 13, 2009
Get into this link. You can download the user manual to your device from here. OK.
Posted on Jan 14, 2012
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:
Height: 13.375" (including feet)
Depth: 8.675" (10.076" including feet)
Horizontal Mounting Dimensions:
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
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
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
Posted on Apr 01, 2012
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