LG KG280 Service Manual - Page 94
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7. Circuit Diagram 1 2 3 4 5 6 7 8 9 A VBAT R701 4.7K BT_LDO_EN R717 100K C715 C702 1u 0.1u U700 1 VDD VOUT 3 4 6 NC CE GND1 2 5 GND2 R1114D281D-TR-F 2V8_VBT C703 C704 1u 15p BLUETOOTH C716 1.8p C717 NA R702 NA BT_ANT ANT700 FEED NC1 NC2 C700 100p C701 NA FM_ANT 10V Under ECCH0004904 ECCH0000182 10V Over ECCH0004904 ECCH0000112 B 2V8_VMEM U702 EWFMLBAXX USC_2 USC_1 PCM_EN C U701 1 VCC NO2 10 2 9 NO1 COM2 3 COM1 IN2 8 4 IN1 7 NC2 5 NC1 GND 6 SLAS4717EPMTR2G EUSY0317101 R710 47K C707 0.1u 2V8_VBT U703 TC7SH08FS PCM_RX_BT PCM_TX_BT USC2 USC0 PCM_SYNC8_BT _BT_RST CLK32K 2V8_VBT FM_AUDIO_R USC1 R705 47K R706 47K 26M_BT DEBUG_TX DEBUG_RX A6 FM_ANT E1 BT_ANT TP700 B1 GND1 E2 E3 PCM_TX_BT PCM_RX_BT TP701 B2 PCM_IN PCM_OUT GND2 GND3 E4 GND4 E5 G7 H3 A_GPIO4 GND5 E6 E7 C5 A_GPIO5 A_GPIO6 GND6 GND7 F1 R703 NA USC0 B7 A_GPIO7 C1 GND8 F2 F3 GND9 F4 TP702 C2 PCM_CLK PCM_SYNC GND10 GND11 F5 C705 1000p B4 C4 RESET SLEEP_CLK GND12 F6 F7 GND13 D1 TP703 I3 VAFL GND14 GND15 D2 TP704 I4 I5 VAFR GND16 D3 D4 R718 0 R704 NA I6 XTALN XTALP GND17 GND18 D5 GND19 D6 G1 H1 UART_RX GND20 D7 A1 R707 NA USC4 R708 0 H2 UART_TX UART_CTS GND21 GND22 H6 (USC4 : RTS) USC5 (USC5 : CTS) R709 0 G2 UART_RTS G4 GND23 I7 GND24 I1 A5 G3 TM0 TM3 GND25 GND26 A7 TP705 H5 GND27 B5 B6 BT_WAKEUP TP706 H4 GPIO0 GND28 HOST_WAKEUP G6 GPIO1 GPIO2 G5 C6 GPIO3 VIO I2 A2 TP707 H7 GPIO4 VDDR3V A3 BT_MAIN_CLK_EN TP708 B3 GPIO5 GPIO6 VBATT REGBT A4 C708 C7 GPIO7 VREG_CTL C3 2V8_VBT 2V8_VEXT 2V8_VBT 2V8_VEXT R711 NA R713 NA R714 NA TP709 R712 NA PCM_TX_BT USC3 5 1 VCC 4 3 GND PCM_SYNC8_BT 1000p C709 C711 C713 2 C714 1u 1u 1u D 0.1u USC_1 USC_2 R715 NA R716 NA USC1 USC2 BT I/F BT not I/F R715 NA 0 ohm R716 NA 0 ohm E 1 2 LGIC(42)-A-5505-10:01 3 4 5 6 7 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 95 - 10 A B C D LG Electronics Inc. LGE Internal Use Only
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