Hey folks,custom fix.
Looking for some info on this board taken from a 15F7503 Alps drive out of a Model 70. It looks to me like someone has replaced the head stepper motor control IC and modified the circuit to match, but I'm not sure if this was a factory bodge or a
Anyone have one of these they can check and maybe get photos of, or know offhand?
Photo of the mess I'm looking at - https://photos.app.goo.gl/h67u8yzj8waWZM5b8
Cheers,
Nick
Can you remove the dust? Looking for color changes in components.custom fix.
Blow the dust kittiez out of the 34 pin header leads.
Looks to have had rework in the upper right, note the green wires. There looks to be discoloration, but they re-soldered things, so that's a firm maybe...
Huh. Maybe a good cleaning with Q-Tips and denatured/rubbing alcohol
would remove any conductive dust/grime.
On 12/13/2021 23:41, Nick Silvestro wrote:
Hey folks,
Looking for some info on this board taken from a 15F7503 Alps drive out of a Model 70. It looks to me like someone has replaced the head stepper motor control IC and modified the circuit to match, but I'm not sure if this was a factory bodge or a
Anyone have one of these they can check and maybe get photos of, or know offhand?
Photo of the mess I'm looking at - https://photos.app.goo.gl/h67u8yzj8waWZM5b8
Cheers,
Nick
Can you remove the dust? Looking for color changes in components.custom fix.
Blow the dust kittiez out of the 34 pin header leads.
Looks to have had rework in the upper right, note the green wires. There looks to be discoloration, but they re-soldered things, so that's a firm maybe...
Huh. Maybe a good cleaning with Q-Tips and denatured/rubbing alcohol
would remove any conductive dust/grime.
On 12/13/2021 23:41, Nick Silvestro wrote:
Hey folks,
Looking for some info on this board taken from a 15F7503 Alps drive out of a Model 70. It looks to me like someone has replaced the head stepper motor control IC and modified the circuit to match, but I'm not sure if this was a factory bodge or a
Anyone have one of these they can check and maybe get photos of, or know offhand?
Photo of the mess I'm looking at - https://photos.app.goo.gl/h67u8yzj8waWZM5b8
Cheers,
Nick
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