LG KG200 Service Manual - Page 56
LCM Backlight Circuit, Earphone Jack
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5. Circuit Diagrams LCM Backlight Circuit VBAT L400 10uH Winding SNFC0312P 1 C428 2u2F C0603 P.1 GPIO0_LCM_BOOST_EN 2 C431 N.C. (100n) C0402 U405 RT9284B 6 4 2 VDD EN GND LX OVP FB 1 5 3 P.1 PWM1_LCM_BL Components In Metal can D402 RB520S-30TE61 SC79 1 2 1 C429 1uF/25V C0603 2 R420 47K R0402 R419 24K R0402 R418 10K R0402 C430 100nF C0402 R406 20R R0402 Earphone Jack Components in Metal Can R INT0 MIC P.1 MICN1 P.1 MICP1 P.1 ASS_ID C203 100nF C0402 C210 100nF C0402 MICBIASP R204 1K R0402 C207 N.C. (100pF) C0402 R205 1.5K R0402 2 1 64 2 TOP VIEW 53 1 R L MIC L C206 10uF C0805 U205C CSPEMI205 C5 CSPEMI205 B4 ANT B213 A5 1 2 EMIC 2.5KΩ/100MHz ESD204 Spark Gap 2 21 1 P.1 URXD1 R211 1K R0402 P.1 MP3_OUTL P.1 UTXD1 C201 22uF C0805 R216 100 R0402 U203 NLASB3157DFT2G SC70-6 1 2 3 B1 S GND V+ B0 A 6 5 4 GPIO2_UR1_CTL VDD P.1 A3 U205B CSPEMI205 CSPEMI205 B4 B211 C3 1 2 MP3_L 2.5KΩ/100MHz ESD203 Spark Gap 2 21 1 P.1 EINT0_HEADSET T200 SFI0402-050E100nP-LF C0402 ESD202 Spark Gap 2 21 1 2 .. 1 P.1 MP3_OUTR P.5 FM_ANT C215 22uF C0805 R215 100 R0402 R200 10K R0402 2 21 1 U205A CSPEMI205 A1 CSPEMI205 B2 B212 C1 1 2 MP3_R 2.5KΩ/100MHz ESD205 Spark Gap 1 1 L200 150nH L0603 2 C235 22pF C0402 ESD207 Spark Gap J200 LGK1509-0901F LGK1509-0901F 2 3 5 6 4 1 2 21 1 2 - 57 -
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