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GTC
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Service Manual
h. Above showing the backlight control IC, R67 shall be VBAT (4.0V).
i. R68 (LCM_LED_P) is around 11V ~ 14V.
j. Pin#2 of R17 (Backlight_DAC) shall be around 1V.
k. R69 (LCM_LED_M) is around 0.1 ~ 0.3V.
l. Pin#5 of Q10 (GP136_LOWLIGHT#) shall be low (0V), if backlight of LCM is in the "low
light mode".
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