Trouble Shooting; Power On Trouble - LG KF700Q Service Manual

4. TROUBLE SHOOTING

4.1 Power on trouble

Power on sequence of KF700Q is :
→ PM_ON_SW_N go to low (R402, PM6658-2M KPDPWR_N pin#24) →
PWR key press
PM6658-2M Power Up → VREG_MSMC_1.25V(C231), VREG_MSME_1.8V(R206),
VREG_MSMP_2.7V(R207), VREG_MSMA_2.6V(C230), VREG_TCXO_2.85V(C162) power
up → PON_RESET_N assert to MSM → Phone booting & PS_HOLD(D402) assert High to
PMIC(PM6658-2M)
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4. TROUBLE SHOOTING
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