Re: Onkyo TX 3000 questions


"Arfa Daily" <arfa.daily@xxxxxxxxxxxx> wrote in message
news:c4ksf.18361$q4.17653@xxxxxxxxxxxxxxxxxxxxxxx
>
> "Waylon" <WinnigisGood@xxxxxxx> wrote in message
> news:60e3r1htlr3mq9rhcrqfdvl23gvqh73bt7@xxxxxxxxxx
>> My Onkyo TX 3000 stereo receiver went on the blink and I've had it in a
>> local
>> repair shop for the past 3 months. The problem with the device is this.
>> When you
>> push the on/off switch, nothing happens. Usually, once you turn it on, it
>> will
>> be about a 2 or 3 second delay, you will hear a click sound and it powers
>> up.
>> Well, that don't happen. Al the lights comes on, but that click sound
>> never
>> materializes and NO SOUND. Anybody go a clue and is 3 months typically
>> TOO Long
>> for a shop to take to repair???
>
> I would suspect that the person who landed the job of looking at it, has '
> lost his way ' a bit on it. It happens to us all sometimes, and it's
> usually the slightly more obscure makes of this type of high end
> equipment, that it happens on.
>
> Basically, the failure of the unit to come on with the normal relay click,
> means that the system control micro, is detecting some kind of fault
> condition. This is what is being looked for by the system control during
> that few seconds between you hitting the switch, and the relay closing to
> complete the power up sequence. Often, it will be an output stage problem,
> but this is where the fun and games can start. This kind of problem can
> literally soak up hours of bench time, particularly if the unit has
> discrete component output stages, and you don't have a schematic.
>
> Having realised that you have spent half a day, and got nowhere, the
> tendency is to cast it aside to get on with some jobs that will put food
> on the table. You always promise yourself that you will look at it again
> on Friday when you're less stressed, and in the meantime, will try to
> obtain a service manual. Unfortunately, it never works like that, and this
> week turns into next week, and then next month until it becomes an
> embarrassment, and you start to dread the owner ringing up about it. Any
> other professionals reading this will know exactly what I'm talking about.
> I'm willing to bet that every one of us has been there at some time ...
>
> I would suggest that you approach the shop where it is, and ask nicely
> what the problem is. Suggest to them that if they are having too much of a
> problem with it, that they just put it back together, and let you have it
> back, as three months is not acceptable. If it's not fixed just because
> they can't fix it, they shouldn't charge you anything. Most of us who are
> reputable, work on a no fix no charge basis.
>
> If the scenario is as I've described, they will probably appreciate your
> direct approach and understanding. Providing that the person looking at it
> is not a nonno, then as a fellow engineer, I have sympathy with him.
>
> Arfa
>

I'm pretty sure this model is a bit old to have a microprocessor-controlled
protection circuit. More likely just an analog DC detect / overcurrent
detect circuit.

As far as "no fix no charge" is concerned, in my shop the initial check-out
fee is non-refundable except in extraordinary circumstances. Three months
time unable to fix might not qualify, but three months getting a runaround
would, in my opinion.

Mark Z.


.

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