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Level 3 Repair
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8-24
8-3-8. TSP
YES
Replace LCD Module
Measure the waveform of
TSP_SCL/SDA(R710, R711),
TOUCH_INT(R1200) Signal.
Can you see the right waveform?
Replace Main PBA
YES
YES
YES
NO
NO
TOUCH doesn't work
Is the HDC1200 Assembled
correctly?
Check the power of TSP
R1200 = 1.8V ?
C1232 = 3.3V ?
Reassemble the HDC1200
Replace Main PBA
NO
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