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Nad 775 check dsp board error - NAD T775

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My Onkyo TX-SV-919THX receiver shows DSP error on display, I want to replace DSP board, from where can I get DSP board?


Hello Raju, We cannot sell any parts directly to a customer. The unit would have to go in for service or you can look into our trade in program if the unit is out of warranty. For more information on trade in you can contact product support at 800-229-1687 x3. Thanks, FJD

Mar 19, 2016 | Onkyo Audio Players & Recorders

1 Answer

CS4228A burns after replacment


Hi

Martynas Z

CS4228A on DSP board can be overdriven on the inputs

CS4228A on DSP board can have shorted loads on the output


Check also the board (might be burnt also)

Here is block diagram for you:


9_29_2012_3_36_36_am.jpg



Check components around it thoroughly.


Let us know how you make it out.

Sep 28, 2012 | Marantz SR-5200 Receiver

1 Answer

I have a NAD T742 Receiver which suddenly stopped with only the green stand-by indicator flashing, No display/power. What could be the problem ?


i have the same problem. it is the DSP motherboard. it is a malfunction of the board. not a repair for amateurs

Feb 02, 2011 | NAD T742 Receiver

1 Answer

NAD T741 goes into standby by pressing power. It turns on after selecting a source button or by remote. but after 6seconds it turns itself off with a blinking power led. Pressing the sorce buttons gives...


I just had the same problem wit my T741. It was a malfunction of the DSP motherboard, not a repair for amateurs. Repairs at the Dutch NAD importer cost me about 130,= euro.

Aug 23, 2010 | NAD T742 Receiver

2 Answers

NAD T751 constant buzz


It is a known problem with this model. The source of the buzz is the Dsp power supply. On the DSP board itself there is a 2200my\f/16v capacitor that is defective . Usually the capacitor will turn brown and swells due to overheating. Replace it with a higher temp rating capacitor with the same capacitance and voltage specifications.

Sep 26, 2008 | NAD T751 Receiver

2 Answers

Error on SONY DSR 1500AP


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u can check the cables from dr board to mother board as its a communication error.

Jun 11, 2008 | Sony Dvcam DSR-390P DV Digital Camcorder

2 Answers

Technics sadx750 and says f70 and turn power off


Technics sadx750 and says f70 and turn power off

Feb 27, 2008 | Technics SA-DX750 Receiver

2 Answers

Loud humming on my tv and dvr with ny nad 761


The problem is the capacitor on the DSP board C107 2200mf / 16 Volts. Try replacing it and it should be fine

Oct 25, 2007 | NAD T761 Receiver

1 Answer

Volume and multi channel output issue


Hi there. Are you familiar with board level repair for such products ? Your problem is most likely hardware. Either some of the final output transistors are fried, or it's a dsp problem, a regulator, a diode, a transistor in the circuit.. it could be a lot of things. But if everything was working fine and it quit someday without a change in the system's setup, it really looks like an hardware issue ! Do you have a way in the manual, that sets factory defaults, a kind of reset ? A lot of such units do have that. Try to unplug/interchange speakers as well, a shorted speaker could make the amp go nuts as well, but i wouldn't bet on it. Still, i'd check that out. Hope that helps ! cheebster.

Jun 26, 2007 | NAD T763 Receiver

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