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How to repair/replace graphite track LCD ribbon
Various simple devices with a 7-segment or custom monochrome LCD display have a multi-way graphite track ribbon connecting the LCD to the circuit board. This is attached to the LCD at one end and the circuit board at the other with anisotropic adhesive tape such as 3m 9703. A common fault after a number of years is that this adhesive fails. You can sometimes reattach it with a hot smoothing iron but this may be only a temporary fix if it works at all.
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