Question about Pioneer VSX-27TX Receiver

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Where is the DSP chip set on the Pioneer VSX-27TX?

I need a physical location for the DSP chipset on the VSX-27TX. Is there an identifying mark on the circuit board to make sure that I have the correct board?

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4 Suggested Answers

likha
  • 790 Answers

SOURCE: PIONEER VSX-27TX RECIEVER

Hi!
you can locate the R9371 & R9374 beside or the same circuit of the IC 9374 Very near not far to IC 9374.

Posted on Nov 22, 2007

  • 506 Answers

SOURCE: Pioneer Elite vsx-27tx receiver with no bass!?

There may be a subwoofer mute function on your amp. The sub out is nothing more than a preamp output with a low frequency response. It is meant to be amplified by an external amp. Either check your powered subwoofer for operation or look through your operators manual for a sub mute function.

Posted on Feb 11, 2010

  • 1 Answer

SOURCE: I have Pioneer VSX-D512. There

I have a Pioneer VSX-D411 and there is dsp ng flashing

Posted on Jan 15, 2011

dunnbiker
  • 8546 Answers

SOURCE: I have a Pioneer VSX-D411 and there is dsp ng

http://www.retrevo.com/support/Pioneer-VSX-D411-Receivers-manual/id/385ci976/t/2/

I believe it's trying to tell you something is wrong with its digital sound processing.

This was the best source I could find on it:
http://www.avforums.com/forums/av-amplifiers-receivers/381823-problem-pio-vsx811s-no-sound-display-says-dsp-ng.html


If you switch it to satereo / direct and the light goes out I'd say that would clinch it.

Posted on Jan 16, 2011

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1 Answer

Where can i find diagram for bad soldering for pioneer elite VSX-27TX stereo receiver?


You really should be an expert to do repairs on these recivers but if that is the case, you can get the maintenance manual here:
http://www.kallhovde.com/pioneer/tricomp/Audio/VSX/VSX-24_26_27_29_D908S_RRV2133.pdf

Jan 02, 2016 | Pioneer Audio & Video Receivers

1 Answer

PIONEER VSX-27TX RECIEVER


Hi!
you can locate the R9371 & R9374 beside or the same circuit of the IC 9374 Very near not far to IC 9374.

Nov 22, 2007 | Pioneer VSX-27TX Receiver

2 Answers

Pioneer vsx-29tx has no sound update has been done dsp board different number


If your friend said the ROM chip was hit by lighting then most likely is is damaged.

Feb 05, 2012 | Pioneer VSX-29TX Receiver

1 Answer

Amp plays sound through previews of the movie - but NOT when the movie starts??


This sounds like a problem with the DSP chip. Turn off any DSP and surround modes in the unit and see if it at least plays in stereo. You may need to unhook the DVD player from the 5.1 inputs and put the front left/right into a CD or TAPE input to fully test this theory.
If that doesn't work, I have a VSX-D309 that just came up for sale (sorry, no remote)

Feb 22, 2011 | Pioneer VSX-D557

1 Answer

I have a Pioneer VSX-D411 and there is dsp ng flashing, what is it


http://www.retrevo.com/support/Pioneer-VSX-D411-Receivers-manual/id/385ci976/t/2/

I believe it's trying to tell you something is wrong with its digital sound processing.

This was the best source I could find on it:
http://www.avforums.com/forums/av-amplifiers-receivers/381823-problem-pio-vsx811s-no-sound-display-says-dsp-ng.html


If you switch it to satereo / direct and the light goes out I'd say that would clinch it.

Jan 15, 2011 | Pioneer VSX-D411 Receiver

1 Answer

Pioneer Elite vsx-27tx receiver with no bass!?


There may be a subwoofer mute function on your amp. The sub out is nothing more than a preamp output with a low frequency response. It is meant to be amplified by an external amp. Either check your powered subwoofer for operation or look through your operators manual for a sub mute function.

Feb 11, 2010 | Pioneer VSX-27TX Receiver

1 Answer

No audio output


THE FIX - to audio problems that persist with the VSX-29TX and others using the AWX7272 DSP board is to replace the ROM on the DSP. My unit started failing on and off after 10 years of use! The intermittent DSP board is an Extremely Common and irritating Problem for this model! The replacement IC,(2) resistors + shipping and handling totaled $49.65 and my unit is finally fixed correctly! Don't believe other posts that you can get away with re-soldering; it will continue to fail again and again! Details of fix are:

Replacement for the old Pioneer ROM located at location IC 9374, should be done with the part PD6381A from Pioneer Electronics. You will also need to move (relocate) the 2 resistors (0 Ohm resistors) located at R9372 and R9371 to locations R9374 and R9373.

This component update applies to DSP boards marked as AWX7433, AWX7272.

This fix is validated (from Pioneer) on the VSX-26TX,VSX-27TX,& VSX-29TX it might also work in the VSX-908, VSX-908RDS and others as long as the same DSP board was used.

Let me caution and stress that surface mount soldering skills ARE REQUIRED to do this update! It also doesn't hurt to have excellent vision and/or an eye loop or microscope to check your work. Original ROM's were subject to timing changes internal to the part as a result of HEAT. This model does get HOT! The program was also modified as a further safeguard to re-occurrence.

Jan 30, 2010 | Pioneer VSX-29TX Receiver

2 Answers

VSX-D908TX 5.1 Home Theatre Receiver (THX) Problem: No audio for 5-10 minutes after switch-on. The speaker relays click in ok so the problem is a muting related thing. If you know of this problem or...


It definitely is the DSP board. I pulled mine out and it had already been repaired once and it repair work looks exactly like the ones shown here http://excelcier.com/pioneer_vsx-27tx/ .

Currently I can only listen to the radio in DIRECT mode, if i change it to Stereo or other DSP modes it will be silent no matter how long i wait.
How did your repairs go? Can you please let me know how you repaired it?

Thanks.

Jul 08, 2008 | Pioneer VSX-D908S Receiver

1 Answer

No DTS sound / RESET


Hi I have a Pioneer VSX D908S which is basically the same amplifier as yours with the difference that the one I have has no THX certification, as a matter of fact the service manual is the same, and mine has the same problem. The prblem is located in the DSP board, if you are able to remove the bonett, you will see on the right side a metal cover, remove it, once you have removed it, look for a IC9374 it is located, -looking this board in front to you- almost at the left upper corner, this IC has the PDK042A on it, with a soldering iron resolder this circuit. This is common problem with this pioneer amplifiers, and this procedure not always works, the final solution is to buy the DSP board but it is expensive. Good luck! Miguel

Oct 05, 2007 | Pioneer VSX-27TX Receiver

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