LG KE600 Service Manual - Page 77
PMB6812
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5. Trouble shooting RTC_OUT VCHS PWRON USB_PU VBUS_USB R202 220K R204 470K PWRON VBAT VBACKUP SPOWER_INT VCH_CTL PMRSTn R203 4.7K 49 GND 1V8_MEM 3V1_USB 1V5_RF VBAT FB201 L201 10uH C213 C214 0.1u 22u C215 22u C216 2.2u C217 2.2u C218 2.2u 1 2 VCHS 3 VBATS 4 VRFC ON 5 VDDPW 6 SW 7 VSSPW 8 VSSFB 9 FB 10 11 VUPU 12 VUSB VBUS 13 48 14 VIB RESETQ 47 15 SLED2 VLBB2 46 SLED1 VDDC 16 LED VLBB1 45 VCHG 2V11_RTC 1V5_CORE 1V5_DSP 2V85_RF VBAT 2V7_VCXO 2V65_BT C203 2.2u C204 2.2u C205 2.2u C206 2.2u C207 2.2u C208 2.2u C209 2.2u VRF2 37 VDDRF 38 VRF1 39 40 42 41 VDDCH 43 VCHC 44 VRTC INTOUT VRF3 U201 PMB6812 36 VCXOEN 35 VDDA 34 VANA 33 VSSR IREF 32 BYP 31 VDDAU 30 AUOP 29 AUON 28 27 VSSAU 26 AUIP 25 AUIN TP604 R208 C210 82K 0.1u TP211 TP212 TP213 TP214 VCXO_EN 2V65_ANA VBAT C211 2.2u C212 2.2u SDA 24 SCL 23 LRF3EN 22 VINT VSIM2 VMMC 18 VSIM1 17 VDDB 21 19 20 VCHG R220 0 BT_VCXO_EN SCL SDA VIBRATOR KEY_BACKLIGHT 2V72_IO 2V85_MMC 2V85_IO2 2V85_SIM VBAT C231 2.2u C232 2.2u C233 2.2u C234 2.2u C235 0.1u R209 C227 100K 10u Q201 6 S2 4 S1 1 D3 2 D2 5 D1 3 G NDC652P D201 CRS08 C228 47n VCH_CTL R212 0.15 VBAT VCHS C237 100u - 78 -
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