Einleitung
Make sure that all power sources are disconnected before begining disassemble. The control board can be purchased from original supplier or second hand.
Werkzeuge
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Remove the lower plastic control box cover by gripping it with two hands and pulling it away from the control box.
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Remove the plastic wire cover by gripping it with two hands and it pulling away from control box.
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Remove the Lithium Ion battery by pulling out. The slide out battery compartment.
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Grasp the control knob that is located at the center of the control box and pull it away from control box.
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With two hands grasp the main control box cover and pull it away from the control box.
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The snap connector must be cut free. It is best to use a razor blade, as the space is extremely limited. Cut on the top side and not the underside to insure it will snap back into place.
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Place the razor blade on top of knob control board, sliding the razor blade underneath the snap connector. Then move the razor blade back and forth to remove the snap connector.
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Using a spudger, release the clips holding the bottom control board. Then slide it downward while lifting control board away. This will separate the bottom of the control board from casing.
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Once the bottom control board has been removed, simply lift the entire control board assembly away from the plastic casing. Then replace.
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To reassemble your device, follow these instructions in reverse order.
7 Kommentare
Can anyone who has one of these tell me what the shiny black disc component just above the purple lithium battery compartment is, and what values it is? My dad's has fried this component to crispy charcoal.
robin0 -
Some checking indicates it may be a metal oxide varistor, about 10mm diameter, but all the part numbers are burned away. Thanks for any help you can give me.
robin0 -
what happen if the screen said " PR OFF"