Lenovo VIBE X2 Servicehandleiding - Pagina 11
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3.2 Touch panel have no effect
Touch panel no respond
Change the lcd&Tp model
Check the lcd connect J1601;Is there
any smt problem?
Check the I2C controller line
signal by the oscilloscope,
N
N
N
Change CPU chip
Y
Touch panel is not
good, change it.
Heat the touch panel
Y
connector and EMI
filter.
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