Question about Toshiba 50H82 50" Rear Projection Television

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No sound, only bass coming through

I turned my tv on to watch the superbowl and there was only very low bass coming through, and i can't find a hookup anywhere for external speakers. is there a way i can fix this?

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There is a possibility of a defective integrated circuit on the SRS/WOW board. But as a work around you can connect the set to an external amplifier. You are correct in that there is not a place to directly connect the speakers, but there are line level audio output jacks on the back of the set which can be fed to an amp. The problem may still be present; I honestly don't remember if the external audio is before or after the SRS board. Good luck.

Posted on Feb 23, 2009

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1 Answer

Ive lost the remote to my subwoofer and i need to now how to turn it on because i dont now how to turn it on and i wanted to watch the superbowl with it on


If the power button isn't obvious it might be tuned on with the source button or Aux or any input button for an external sound source.

Jan 30, 2014 | Audio Players & Recorders

1 Answer

Is it possible to hook up 2-6x9 and 2-12in.subs to the 7540a and still pack a nice punch


yes it is however the hookup for it requires something a bit unorthodox

you have 4 outputs (bridgeable)

channel 1 and 2 must be bridged (to lower the ohms) then connected to the 2 6X9 in Parallel..
this must then be set to the high pass frequency (eliminates bass)
lower all the settings as low as possible then turn them up slightly to increase volume to a level where its the hardest and clean sounding..lower volume after

this eliminates the bass and keeps the 6x9 pushing your mid range and high range frequency

now you have 2 channels remaining,, set 3 and 4 to low pass and connect each 12" to an individual channel. (this keeps the bass and ohms high so you will get a clean bass to match with mids and high's. Dont set or bridge for a low bass as it will jam out the 6x9 and your music will sound terrible.

so there u have a simple hookup that will work and keep you sounding clean. remember not to raise the volume on the 6X9 too much as you will blow them..

Mar 29, 2011 | Infinity 7540A Car Audio Amplifier

1 Answer

Can we use the subwoofer as an amplifier for speakers? it has jacks for speaker in/out, but i can't figure out how to make it work because the speakers have no sound.


I don't believe this hookup is amplified; but, if you have used the regular unfiltered speaker connections from your receiver/amplifier to hookup the subwoofer, the system will pass the signal thru the outputs subject to the crossover adjustment on the back panel. You cannot get the full signal if your system is sending only the bass signal to the subwoofer. I have copied the instructions below from the manual. You would set the high freq crossover to the low end of your satellite's frequency range. The full manual is here: http://www.jbl.com/EN-US/Products/Pages/ProductSupportDetails.aspx?PID=PSW-D110

High-Pass Control
• If you hooked up your subwoofer
as shown in Hookup
3 on page 4, you also have
the capability of adjusting
the high-pass frequency.
The High-Pass control
determines the frequency at
which the main speakers
will start reproducing
sounds. If your main speakers
can comfortably reproduce
some low-frequency
sounds, also set this control
to a lower frequency
setting, between 50Hz –
100Hz. This will concentrate
the subwoofer’s
efforts to the ultradeep
bass sounds, while your
main speakers continue to
reproduce the mid-bass
information. If you are
using smaller bookshelf
speakers that do not extend
to the lower bass frequencies,
set the high-pass crossover
control to a higher setting,
between 125Hz – 180Hz.
With this setting, your main
speakers will not have the
burden of reproducing any
low-frequency sounds.
• If you hooked up your subwoofer
as shown in Hookup
1 on page 3, the high-pass
frequency is fixed at 180Hz.
• If you hooked up your subwoofer
as shown in Hookup
2 on page 4, there is no
high-pass control. Unless
your receiver/amplifier
incorporates a high-pass
crossover, your main speakers
will continue to get a
full-range signal.
Final adjustment and blending
of the low-pass and high-pass
controls may evolve over several
listening sessions. A good
starting point would be to set
both the low- and high-pass
controls to the same frequency
and adjust from that point.

Sep 07, 2010 | JBL PSW-D110 Speaker

1 Answer

NO BASS!!


1) Check the Subwoofer for continuity - At the subwoofer, one at a time, test the terminals for Continuity using your Digital Multi-Meter; if your DMM doesn't have a Continuity test, use the Resistance, or Ohms, test and check for Resistance in the Subwoofer Coil (be sure to disconnect the subwoofer wiring before performing these tests).
2) If they test out good, hook the wires back up and test the terminals at the terminal cup or at the Amp hookup if you didn’t use a terminal, don't hook it up to the amp yet. Sometimes the wiring inside the box can be a problem if it has come loose, or isn't making a great connection.
3) If you have a Sub or multiple Subs with Dual Voice Coils, or multiple Subs with Single Voice Coils, make sure your wiring is correct by checking here:
http://www.the12volt.com/caraudio/woofer_configurations.asp
4) Make sure there are no Hi-Pass filters, crossovers, or multi Channel switches enabled.
5) Replace your RCA cable/s with known working RCA cable/s from the Source/Head Unit to the Amplifier/s.
6) Check your Head Unit settings; make sure the Bass is turned up and/or the Subwoofer setting is turned On.
7) If you are still getting no or low output, try plugging in an MP3 player or CD player using a headphone to RCA adaptor and check for sound output. If there is still no or low output, your Amplifier outputs are probably burned out.

Jul 18, 2010 | Jl Audio 300/2 Car Audio Amplifier

2 Answers

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1 Answer

Screen frozen


I've had this same problem and we only bought this TV back in July. It seems to be getting worse. Anyone have any answers?

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1 Answer

My Samsung HL-85679W DLP LCD TV has sound but no picture


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2 Answers

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There are a multitude of user settings that can affect the apparent loss of bass you describe. Since you mention it is relevant to a soundfield choice that sort of eliminates hardware problems.

Find the SET Menu and set everything under SOUND according to your actual speaker configuration. For the purposes of set up, consider the word LARGE to mean "CAN handle substantial low bass" and SMALL to mean "would distort or be destroyed by substantial low bass".

Under LFE/Bass Out, the Front/Both setting addresses the sharing (or not) of Low Frequencies with Large Front speakers. I recommend BOTH if your front speakers have large woofers or are otherwise bass-capable (since physical size isn't everything).

Run through the speaker Distance and Level adjustments. The LFE/Level will have a huge effect on perceived bass so check it out.

Check the Dynamic Range. It's vague about what optimim is, but avoid using MIN. I'd try MAX or STD for expected loud listening.

Run Low Freq Test to match the sub to your other speakers.

There are lots of opportunities in this beast for MALadjustment. It's your responsibility to understand the settings you select.

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1 Answer

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