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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Williams Encore Digital Piano
Sold by Guitar Center.
Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. |
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#2
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Williams Encore Digital Piano
On 09/01/2013 12:00 PM, John Keiser wrote:
Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. http://williams.custhelp.com/ |
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#3
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Williams Encore Digital Piano
Been there and asked same question. Would not supply schematic or repair
mode secrets. "dave" wrote in message m... On 09/01/2013 12:00 PM, John Keiser wrote: Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. http://williams.custhelp.com/ |
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#4
Posted to sci.electronics.repair
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Williams Encore Digital Piano
"John Keiser" wrote in message news:c5idnQVqIqNbE77PnZ2dnUVZ_t6dnZ2d@powerusenet. com... Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. What is not working? Speaker Output? Headphone output? Line outputs? MIDI output? Some or all the above? Gareth. |
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#5
Posted to sci.electronics.repair
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Williams Encore Digital Piano
Intermittently, panel lights but all of the above fail.
Williams lists reset squences for some models, not the Encore. Trial and error got me into "test mode" by powering and and pressing both transpose keys. Sound restored. So I am thinking this might be a firmware issue rather than a bad solder joint. If this fails again, I was looking for further guidance. I assume there might be a "restore" sequence but Williams customer service was mum. "Gareth Magennis" wrote in message ... "John Keiser" wrote in message news:c5idnQVqIqNbE77PnZ2dnUVZ_t6dnZ2d@powerusenet. com... Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. What is not working? Speaker Output? Headphone output? Line outputs? MIDI output? Some or all the above? Gareth. |
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#6
Posted to sci.electronics.repair
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Williams Encore Digital Piano
"John Keiser" wrote in message news:rNSdnUYtyYI_Ir7PnZ2dnUVZ_qednZ2d@powerusenet. com... Intermittently, panel lights but all of the above fail. Williams lists reset squences for some models, not the Encore. Trial and error got me into "test mode" by powering and and pressing both transpose keys. Sound restored. So I am thinking this might be a firmware issue rather than a bad solder joint. If this fails again, I was looking for further guidance. I assume there might be a "restore" sequence but Williams customer service was mum. "Gareth Magennis" wrote in message ... "John Keiser" wrote in message news:c5idnQVqIqNbE77PnZ2dnUVZ_t6dnZ2d@powerusenet. com... Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. What is not working? Speaker Output? Headphone output? Line outputs? MIDI output? Some or all the above? Gareth. It sounds more like a Power Supply problem to me. Are you using the power supply originally supplied with the keyboard? Gareth |
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#7
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Williams Encore Digital Piano
I have 2: the original and a replacement. 12V 4 amps. Both show good under
load. [Owner had thought power supply could be the issue, also.] "Gareth Magennis" wrote in message ... "John Keiser" wrote in message news:rNSdnUYtyYI_Ir7PnZ2dnUVZ_qednZ2d@powerusenet. com... Intermittently, panel lights but all of the above fail. Williams lists reset squences for some models, not the Encore. Trial and error got me into "test mode" by powering and and pressing both transpose keys. Sound restored. So I am thinking this might be a firmware issue rather than a bad solder joint. If this fails again, I was looking for further guidance. I assume there might be a "restore" sequence but Williams customer service was mum. "Gareth Magennis" wrote in message ... "John Keiser" wrote in message news:c5idnQVqIqNbE77PnZ2dnUVZ_t6dnZ2d@powerusenet. com... Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. What is not working? Speaker Output? Headphone output? Line outputs? MIDI output? Some or all the above? Gareth. It sounds more like a Power Supply problem to me. Are you using the power supply originally supplied with the keyboard? Gareth |
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#8
Posted to sci.electronics.repair
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Williams Encore Digital Piano
"John Keiser" wrote in message news:n46dnUfNGtHqcb7PnZ2dnUVZ_gCdnZ2d@powerusenet. com... I have 2: the original and a replacement. 12V 4 amps. Both show good under load. [Owner had thought power supply could be the issue, also.] "Gareth Magennis" wrote in message ... "John Keiser" wrote in message news:rNSdnUYtyYI_Ir7PnZ2dnUVZ_qednZ2d@powerusenet. com... Intermittently, panel lights but all of the above fail. Williams lists reset squences for some models, not the Encore. Trial and error got me into "test mode" by powering and and pressing both transpose keys. Sound restored. So I am thinking this might be a firmware issue rather than a bad solder joint. If this fails again, I was looking for further guidance. I assume there might be a "restore" sequence but Williams customer service was mum. "Gareth Magennis" wrote in message ... "John Keiser" wrote in message news:c5idnQVqIqNbE77PnZ2dnUVZ_t6dnZ2d@powerusenet. com... Sold by Guitar Center. Unit power up but is mute. Possible firmware issue? Possible bad solder joint? Anyone have a schematic or service manual to reset firmware? Other servicing hints? Thank you. What is not working? Speaker Output? Headphone output? Line outputs? MIDI output? Some or all the above? Gareth. It sounds more like a Power Supply problem to me. Are you using the power supply originally supplied with the keyboard? Gareth "John Keiser" wrote in message news:n46dnUfNGtHqcb7PnZ2dnUVZ_gCdnZ2d@powerusenet. com... I have 2: the original and a replacement. 12V 4 amps. Both show good under load. [Owner had thought power supply could be the issue, also.] Most likely suspects in order of likelyness: Dry joint on, or damage to, DC input socket. (Usually confirmable by wiggling it) Dry joints on other component parts of the power supply regulation circuit. Damaged components/PCB traces due to incorrect polarity PSU being used. Least likely suspect is firmware or anything computational. Gareth. |
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