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Re: [disklavier] Inactive M IV part 2

2014-01-21 by Spencer Chase

was being a little facetious.

On 1/20/2014 3:23 PM, Kevin Goroway wrote:
>
> If they were trying to be green with the power supply, they forgot to 
> consider the rest of the system. It sucks down 75 watts in standby iirc...
>
> Spencer Chase <lists@...> wrote:
>
> i don't know specifically how the dkv power supply works but most 
> power supplies have rather large filter capacitors which will hold a 
> charge for a long time. usually there is a bleeder resistor across the 
> cap so it discharges once the supply is turned off. the larger the 
> resistor value, the slower the discharge and the less energy wasted 
> heating up the resistor. you have to choose a compromise between 
> wasted power and fast shutdown. maybe Yamaha decide to be very 
> green??? this is what i tend to do.
>
> On 1/20/2014 2:07 PM, Horatio Kemeny wrote:
>> I'm curious if anyone has some insight as to why powering down for so 
>> long is necessary? Most electronics require a few seconds at most to 
>> be completely powered off and ready for a full reset.
>>
>> What (and how) could something still be going on with no power to the 
>> system at all?
>>
>> I'm not questioning the validity of the strategy as it seems to work 
>> and the time, as per this example, makes a difference.
>>
>> But what's actually going on?
>>
>> .....HK
>>
>>
>> On Jan 20, 2014, at 2:02 PM, James W Kenney <jimwkenney@... 
>> <mailto:jimwkenney@...>> wrote:
>>
>>> Bill
>>> Thank you again. The fix worked. I had powered down, but quickly 
>>> rebooted. That did not work.
>>>
>>> Jim
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Bill Brandom <bill.brandom03@... 
>>> <mailto:bill.brandom03@...>>
>>> To: disklavier <disklavier@yahoogroups.com 
>>> <mailto:disklavier@yahoogroups.com>>
>>> Sent: Mon, Jan 20, 2014 12:17 am
>>> Subject: Re: [disklavier] Inactive M IV part 2
>>>
>>> James,
>>>
>>> Completely power down the Disklavier by holding in the oblong green 
>>> on/off button. After it quits blinking, unplug it from the wall and 
>>> let it sit about an hour.
>>>
>>> Plug it back, in and power it up. I think you will find the keys and 
>>> pedals will start playing again for you.
>>>
>>> You MUST unplug the piano from power for this to work.
>>>
>>> Bill
>>>
>>>
>>> On Sun, Jan 19, 2014 at 6:24 PM, James W Kenney 
>>> <jimwkenney@... <mailto:jimwkenney@...>> wrote:
>>>
>>>     I connected a set of ear phones and I can hear the music.
>>>     Nothing from the keys.
>>>
>>>     Jim
>>>
>>>
>
> -- 
>
> Best regards, Spencer Chase
> 67550-Bell Springs Rd.
> Garberville, CA 95542 Postal service only.
> Laytonville, CA 95454 UPS only.
> Spencer@...
> http://www.spencerserolls.com
> (707) 984-8356
> (425) 791-0309
> 

-- 

Best regards, Spencer Chase
67550-Bell Springs Rd.
Garberville, CA 95542 Postal service only.
Laytonville, CA 95454 UPS only.
Spencer@...
http://www.spencerserolls.com
(707) 984-8356
(425) 791-0309

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