LG KG200 Service Manual - Page 28

4. Troubleshooting Power and Charger control TP404 TP60MIL TP-1.5 USB_PWR TP402 TP60MIL VBAT AVDD TP-1.5 5D 6D 7K 8K G4 S3 A2 A1 From Mini USB Connector F400 Fuse (1A 0603) C0603 VCHG R400 100K R0402 C400 1uF/25V C0603 D400 ADC3_VCHG P.1 R403 24K R0402 P.1 KCOL6 P.3 PWRKEY 1 2 RB520S-30TE61 PWRKEYSC79 Power Key USB_PWR U401 Si5853DC FET8P VBAT TP401 TP60MIL TP-1.5 P.1 BBWAKEUP P.1,6 VCXOEN VDD P.1 KP_BL_PWM1 P.1 GPIO7_STATUS_EN P.1 GPIO10_VIB_EN R401 U400 PMIC MT6305BN/C 100K QFN48P R0402 32 33 31 PWRKEY PWRBB SRCLKEN R 45 44 43 42 36 35 34 V VmSEL VaSEL BATDET BATUSE LEDEN ALERTEREN VIBRATOREN VBAT R404 100K R0402 P.1 GPIO31_CHR_CTL P.1 EINT2_CHARGER 1 2 3 4 5 6 CHRIN GATEDRV NC/DANODE ISENSE/NC CHRCNTL CHRDET P.1 SIMDATA P.1 SIMRST P.1 SIMCLK P.1 SIMVCC P.1 GPIO32_SIMSEL P.5 S_IO P.5 S_RST P.5 S_CLK 9 10 SIMIO SIMRST 11 12 13 14 15 16 SIMCLK SIMVCC SIMSEL SIO SRST SCLK A VIB 49 IC_GND BTP-03DC4 Battery Connector BT400 33 22 R414 24K R0402 R413 0.33R R0805 RN400 100K x 4 Network Resistor REP8P0402 7 8 ADC0_I- P.1 5 6 3 4 1 2 ADC1_I+ P.1 Current Detector 2 21 1 2 21 1 2 .. 1 11 T400 SFI0402-050E100nP-LF C0402 ESD412 ESD411 BattereympTerature MonitorSpark Gap Spark Gap ESD_PAD ESD_PAD P.1 ADC2_TBAT Charge Current= 160mV/R413= 160mV/0.33ohm=448.5mA Charge Current= 160mV/R413= 160mV/0.39ohm=410mA - 29 -