On , Roger J <winking_n_nodding@...> wrote:
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>Entering the machine level binary diagnostics is not in the manual. 456 after a normal start up that uses the display is.
>Make sure you hold 4,5,6 down BEFORE AND DURING pressing the power switch. Then release. This is to test the button scanner processor only without it having to send data through a port and have the main engine display it. Each led reps a bit of the 8 bit bus and each panel switch when depressed will have a different pattern. Wheels and keys on keyboard model also do this.
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>If this works, then the scanner is working. Then the scanner is AWAKE, indicating a communication issue between the two. Also the effects processor has a port to the scanner. The scanner use a 32 meg clock, as does effects chip.
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>On Wednesday, June 4, 2014 3:41 PM, "'Hamblin, Scott' scott.hamblin@... [vintagesynthrepair]" <vintagesynthrepair@yahoogroups.com> wrote:
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>>Thanks for the tip!
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>>As soon as I can get back into my workshop I’ll try this. I’m sure that it responds, by flashing LEDs and then walking through a sequence, one LED at a time.
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>>Are you saying that once in that mode, the scanner should detect any button presses and respond by displaying a different binary code using the LEDs…?
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>>If so, then I suppose the diagnostic is in the service manual with a corresponding table of buttons & codes?
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>>With kind regards,
>>
>>Scott Hamblin
>>Training & Service Sales Manager
>> Abbott Diagnostics
>>Unit D, 31-33 Sirius Rd
>>Lane Cove, NSW 2066
>>Australia Office +61 2 9857 1091
>>Mobile +61 411 762570
>>Fax +61 2 9857 1122
>>scott.hamblin@...
>>
>>Iinformation contained in this email is confidential, may be subject to legal privileges. It is intended only for the use of the addressee. It is the property of Abbott Laboratories. Unauthorized use, disclosure or copying any part of this email is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by return e-mail and destroy all copies of this email and attachments.
>> Register your support at www.knowpathology.com.au
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>>From:vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com]
>>Sent: Wednesday, 28 May 2014 4:12 AM
>>To: vintagesynthrepair@yahoogroups.com
>>Subject: Re: [vintagesynthrepair] Re: Kurzweil K2500R "please wait..." issue, complete service manual sought
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>>The scanner reads buttons and communicates via a bi-directional serial port to main cpu.
>>Waking up scanner means that main cpu is sending a code for the scanner totry again to communicate with it.
>>Try hold down buttons 4, 5, 6 during power up. This is binary level diagnostic for just the scan processor. The 8 LEDs light to indicate the 8 bits on or off state.
>>All buttons should cause different LEDs to light.
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>>On Sunday, May 25, 2014 2:43 PM, "'Hamblin, Scott' scott.hamblin@... [vintagesynthrepair]" <vintagesynthrepair@yahoogroups.com> wrote:
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>>>Thanks for the tip.
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>>>My instrument gets past the ‘Please wait…’ and I can hear the hard drive attempting to initialize but pressing EXIT doesn’t get me to the diagnostics as expected. Some There are other signs of life, and buttons are responding but the display is stuck at “…waking up scanner.”
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>>>I presume this means the scanner board is not talking to the motherboard. I want to be sure the scanner / audio board has all the right voltages before I go any further. I have a replacement set of PLD chips should that be the root cause but I’m not planning on risking them until I verify the basics.
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>>>That said, I’d appreciate hearing from anyone who has successfully fixed the same problem?
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>>>From:vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com]
>>>Sent: Friday, 16 May 2014 6:16 AM
>>>To: vintagesynthrepair@yahoogroups.com
>>>Subject: Re: [vintagesynthrepair] Re: Kurzweil K2500R "please wait..." issue, complete service manual sought
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>>>To get to the "please wait" message would require a stable power supply. Hit EXIT when you get to that message and enter the diagnostics.
>>>On Wednesday, May 14, 2014 5:52 PM, "scott.hamblin@... [vintagesynthrepair]" <vintagesynthrepair@yahoogroups.com> wrote:
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>>>>Hi Daniel,
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>>>>I'm dealing with the same issue on a Kurzweil K2500. I suspect it's power supply and want to ensure that the correct components are in place and that all the voltages are good. If you could share the manual and schematics with me too, I'd be very grateful. I notice you are quite active on the Korg MS2000 group as well, I've posted a bit about DSP repairs on that.
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>>>>If the power supply is the same as the K2000 then it will be simple enough to get that info.
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>>>>Sometimes thought the devil is in the detail and if there are upgrades to handle more current then the correct schematic and service manual would be critical.
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>>>>Thank you...!
>>>>
>>>
>>>________________________________
>>>
>>>The information contained in this communication is confidential, may be subject to legal privileges, may constitute inside information, and is intended only for the use of the addressee. It is the property of Abbott Laboratories or its relevant affiliate. Unauthorized use, disclosure or copying of this communication or any part thereof is strictly prohibited and may be unlawful. If you have received this communication in error, please notify Abbott Laboratories immediately by return e-mail and destroy this communication and all copies thereof, including all attachments.
>>>
>>________________________________
>>
>>The information contained in this communication is confidential, may be subject to legal privileges, may constitute inside information, and is intended only for the use of the addressee. It is the property of Abbott Laboratories or its relevant affiliate. Unauthorized use, disclosure or copying of this communication or any part thereof is strictly prohibited and may be unlawful. If you have received this communication in error, please notify Abbott Laboratories immediately by return e-mail and destroy this communication and all copies thereof, including all attachments.
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