Yamaha RX-A3010 working, no sound output

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

Thanks a lot for your tip. I have the same problem and symptoms with my RX-A3020. I suppose my DSP is also faulty.
Could you please make a schema or a drawing of your installation in the oven. I'm not sure to understand clearly.

Thanks a lot,
Does it still work?
Matthieu

Heating up the DSP chip is only for diagnostic purposes, the bond inside the chip is already broken, you can shift the metal around by thermal expansion and it will work for a couple of weeks if you're lucky.

[Thieu75]

Re: Yamaha RX-A3010 working, no sound output

Placed it on a piece of wood in the oven on 200°C (392°F) for 15 minutes with the DSP2-chip facing down and resting straight with help of the board power socket, chassi mounting and the cable tie that is mounted on the board. I let it cool down and the mounted it again and now it works perfectly and the self diagnostic test are all ok regarding firmware version, checksum and the bus signal on the DSP2.

Thanks a lot for your tip. I have the same problem and symptoms with my RX-A3020. I suppose my DSP is also faulty.
Could you please make a schema or a drawing of your installation in the oven. I'm not sure to understand clearly.

Thanks a lot,
Does it still work?
Matthieu

[SlimMoses]

Re: Yamaha RX-A3010 working, no sound output

Hi

Had the same problem with my RX-A2010 and have now solved it.

Checked the possibility to order a new Digital 2 P.C.B. and they are still available for around €100.

I thought I'll first will try to bake the PCB in the oven before I order a replacement.

Placed it on a piece of wood in the oven on 200°C (392°F) for 15 minutes with the DSP2-chip facing down and resting straight with help of the board power socket, chassi mounting and the cable tie that is mounted on the board. I let it cool down and the mounted it again and now it works perfectly and the self diagnostic test are all ok regarding firmware version, checksum and the bus signal on the DSP2.

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

*UPDATE*

After long wait, I have finally received the new DSP BGA chip.

Upon replacement the unit behaves exactly the same way.

It's time to let it go, no point in wasting any more time and money over this rabbit hole.


Thanks to everyone for participating in this diagnosis.

[kndm17]

Re: Yamaha RX-A3010 working, no sound output

Thanks!

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

Hi All,

I want to ask where I can buy the entire Digital/Main PCBA of This Yamaha AV Receiver including this particular Model RX-A3010. I have a lot unit that need to repair.

Thanks in advance for your response.

You need to scavenge ebay and sites that sell scrapped equipment parts like TV boards and such.

I'm currently waiting for delivery of the DSP BGA IC, it's on the way.

[kndm17]

Re: Yamaha RX-A3010 working, no sound output

Hi All,

I want to ask where I can buy the entire Digital/Main PCBA of This Yamaha AV Receiver including this particular Model RX-A3010. I have a lot unit that need to repair.

Thanks in advance for your response.

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

I wrote to some suppliers, they respond that they have a chinese new year and will get back to me... oh well.

[budwich]

Re: Yamaha RX-A3010 working, no sound output

I am a glad for this info (chip set). My "golden ears" aren't so golden.... :-) I haven't owned a yamaha before this one but it sounds ok in the HT environment that I use it in with some old jbl "sovereign" speakers along with energy surrounds. I find that the sound environment is better than the denon (4308) but that might be because I haven't spent as much time with the denon in that setup. I was using an onkyo amp as a "switcher" because it could switch a 5 speaker system from one "zone" to another (ie. A / B switching). I could see that the unit makes a good "pre" and that your choice of amp thereafter would be "limitless".

[madan1]

Re: Yamaha RX-A3010 working, no sound output

looks like you got down to the problem component. Hope you can find a reasonably priced fix and I hope my a1010 does not have the same potential "disaster" waiting for it (or my denon for that matter)... :-(

Our units ( I also have a1010 ) use D70YE101BRFP266 dsp IC which is not in the list of the failed chips . Also it is not BGA
Still it is always a good idea to tape heatsinks on the bga ICs.
By the way, are you happy with the audio quality of the power amp?
I personally do not like how it sounds and just use the unit as a preamp. For power amp I have a cambridge audio avr.

[budwich]

Re: Yamaha RX-A3010 working, no sound output

looks like you got down to the problem component. Hope you can find a reasonably priced fix and I hope my a1010 does not have the same potential "disaster" waiting for it (or my denon for that matter)... :-(

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

Last test left a sour taste, wasn't done properly so I dug out the proper short ground spring probe ends and redid the noise tests. Main DSP rail has average of 10mVp-p of noise. The input rails to the board have no more than 12mVp-p either. Looks like this is not my problem. I think this chip is just dead.

1,3V DSP supply


3,3V board input rail


1,8V board input rail

[madan1]

Re: Yamaha RX-A3010 working, no sound output

You can get D81YK113DZKB400 ( revision D ) from alibaba or you can try getting the whole PCB from yamaha. Good thing the dts is mounted on its own board and not on the main board ( like onkyos ) - you might be able to get a new one for a "normal" price.

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

What a fail with those chips, this is unbelievable. I don't think it's gonna be possible to buy a replacement since Texas only sells them to some "certified" manufacturers.

Rails tested with a scope, ripple of 20 mV is present but the test method is not ideal, most of the noise is injected by ground clip here. Looks acceptable.

[madan1]

Re: Yamaha RX-A3010 working, no sound output

Test the rails for ripples with a scope.
Unfortunately, most likely the dts chip is a goner. If I remember correctly, it is possible to install a new chip without having to program it in advance.
Damn, I thought Yamaha were not using that faulty dts... ONKYO used to have "extended" warranty due to that problem, but I haven't heard other makers to do that... still, if you have all the documentation ( original invoice and receipt I guess ) you can try to ask for a free repair due to the acknowledged faulty texas instruments chips.

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

Is it a Texas Instruments ic ? Post a pic of it, there were revisions that were known to be bad.

Here you go:

[FrozenHaxor]

Re: Yamaha RX-A3010 working, no sound output

from the service menu - is there a valid firmware version and checksum for the dsp2 or just random symbols ( option S4-10 s4-11 ) ?

Like I wrote in previous post, no. Version does not show at all, and the checksum comes up after very long time (several minutes, 5-10 or so) then comes up with checksum number of "8A7BC1FA" each time, after power down and board unplug as well.

so go with the standard things - remove the board and check the connectors/(flex) cables and other visual damage.
After that, check the power supply of the DSP2 IC - it should be powered by +3.3DSP2 and +1.2DSP2 rails ( page 136 ). So check the rails for voltage and ripples ( mine yamaha unit was experiencing issues due to ripples and failed smd inductors ).
+3.3D and +1.8D come from DIGITAL1 ( (which should be fine if the rest of the components pass the tests ) and are converted by q5001 and IC523 to +3.3DSP2 and +1.2DSP2 so you might have failed IC or capacitor(s).

Once you know that the IC has good power supply you can do the "light bulb"/"heating" bga test - basically heat the IC to check if it fails because of failed solder balls.

Board looks to have a firm and stable connector, undamaged. Checked power. Input to board DIGITAL2 has 2 rails, one measuring 1,84V and the other one 3,24V. Both voltages completely stable. Power rails to the DSP2 chip itself measure stable 1,26V and 3,24V.

BGA failure mode is usually the substrate connectors to the flip chip itself inside. Performed a reflow, no change in the way the unit behaves.

[madan1]

Re: Yamaha RX-A3010 working, no sound output

Is it a Texas Instruments ic ? Post a pic of it, there were revisions that were known to be bad.

Here is the list you have in mind - https://cdn.badcaps-static.com/pdfs/...12b2bc512f.pdf

a family of faulty DTS ( dsp ) ICs

The ops yamaha uses d81yk113bzkb which indeed is affected.

[madan1]

Re: Yamaha RX-A3010 working, no sound output

from the service menu - is there a valid firmware version and checksum for the dsp2 or just random symbols ( option S4-10 s4-11 ) ?
DSP2 seems to be IC 521 which is located on board "DIGITAL2"
From page 20 this "digital2" should be the small pcb board on the top of the main board.. so go with the standard things - remove the board and check the connectors/(flex) cables and other visual damage.
After that, check the power supply of the DSP2 IC - it should be powered by +3.3DSP2 and +1.2DSP2 rails ( page 136 ). So check the rails for voltage and ripples ( mine yamaha unit was experiencing issues due to ripples and failed smd inductors ).
+3.3D and +1.8D come from DIGITAL1 ( (which should be fine if the rest of the components pass the tests ) and are converted by q5001 and IC523 to +3.3DSP2 and +1.2DSP2 so you might have failed IC or capacitor(s).

Once you know that the IC has good power supply you can do the "light bulb"/"heating" bga test - basically heat the IC to check if it fails because of failed solder balls.


p.s. oops, the op has answered while I was writing... anyway, I'll leave this here for future readers.

[mmartell]

Re: Yamaha RX-A3010 working, no sound output

Is it a Texas Instruments ic ? Post a pic of it, there were revisions that were known to be bad.