
- 69 -
4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.1 Power on trouble
Power on sequence of KF700Q is :
PWR key press
→
PM_ON_SW_N go to low (R402, PM6658-2M KPDPWR_N pin#24)
→
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)
Z3X-BOX.COM
Содержание KF700Q
Страница 205: ...Note Z 3 X B O X C O M ...
Страница 206: ...Note Z 3 X B O X C O M ...