LG KU580 Service Manual - Page 166

7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 A B VAPC C TX_GSM_900 R113 NA TX_DCSPCS ANTSW0 ANTSW1 ANTSW2 C105 22p C109 22p C110 22p VBAT C100 22p C101 0.01u C102 10u C103 10u 48 GND34 49 GND35 50 GND36 51 GND37 52 GND38 53 GND39 54 GND40 55 GND41 56 GND42 57 GND43 58 GND44 59 GND45 60 GND46 61 GND47 62 GND48 1 ENABLE 2 DCS_PCS_IN 3 BS_1 4 BS_2 5 VBATT 6 VAPC 7 GSM_IN 8 MODE 9 GND1 10 GND2 11 GND3 12 GND4 13 GND5 14 DCS_RX1 15 DCS_RX2 16 GSM_RX1 U101 SKY77513 32 GND18 31 GND17 30 GND16 29 GND15 28 GND14 27 GND13 26 WCDMA 25 GND12 24 GND11 23 GND10 22 GND9 21 ANT 20 GND8 19 GND7 18 GND6 17 GSM_RX2 WRF_BAND_I C112 22p KMS-512 SW100 G2 RF ANT G1 L102 NA C113 0 L103 22nH R100 NA R101 NA ANT100 OUT100 0 R102 NA R103 R107 NA L100 1.2nH L101 12nH R104 0 R105 0 OUT101 GND100 GND101 WPA0_EN WPA_BIAS WTXMOD_BAND_I C104 1000p C108 10p C111 22p R110 0 VBAT U100 1 VCC1 SKY77174 11 PGND 2 ENABLE 10 VCC2 3 VCONTROL 9 GND3 4 RF_IN 8 RF_OUT 7 GND2 5 VBIAS 6 GND1 C114 NA R111 NA R112 NA 33 GND19 34 GND20 35 GND21 36 GND22 37 GND23 38 GND24 39 GND25 40 GND26 41 GND27 42 GND28 43 GND29 44 GND30 45 GND31 46 GND32 47 GND33 R114 51 RX900 RX1900 RX1800 WPOW_SENSE R109 10nH R108 1p R115 47 VCC_PA A C106 1000p C107 0.01u R106 1.5nH U102 LDC181G9519B-327 1 IN 6 M_OUT 2 GND1 5 GND2 3 4 C_OUT TERMINATE B IS100 CES201G95DCB000 GND1 GND2 IN OUT GND3 GND4 WTX_BAND_I C VBAT C115 22p D R116 WRF_BAND_I D 0 C116 NA C117 10u C118 0.01u E 52 R118 R119 R120 G2 G1 WTXMOD_BAND_I OUT IN 4 G3 1 0 0 0 SAFEB1G95KA0F00 3 FL102 L105 NA C122 NA C123 NA VRADA_2V75 C120 NA FL100 R117 0 SAFEB2G14FA0F00 VRADA_2V75 45 O2 G2 IN O1 G1 1 32 L106 5.6nH C125 NA C124 NA VRADA_2V75 WPA_BIAS WPA_VCC FL101 2 ANT 1 GND1 4 GND2 8 GND3 SAYZY1G95EB0B00 7 RX 5 TX 3 GND6 6 GND5 9 GND4 WRX_BAND_I WTX_BAND_I 41 PGND 40 VCCTX 39 RF_DAC2 38 RF_DAC1 37 NC13 36 MIX1_B 35 MIX1_A 34 NC12 NC11 33 32 NC10 VCCRX 31 F C126 NA WTX_I_P WTX_I_N WTX_Q_P WTX_Q_N 1 30 GNDTX NC9 2 29 NC1 LNA1_OUT 3 NC2 NC8 28 4 TX_1 5 U104 27 LNA1_IN 26 NC3 NC7 6 25 VCCLOTX NC6 7 24 TXIA VCCLORX 8 TXIB RF3100_OM6195HN NC5 23 9 22 TXQA VDD 10 21 TXQB TST VDIGRAD_1V8 VRADA_2V75 C130 NA C127 5.6p C131 NA R121 0 L107 4.7nH WRX_BAND_I 11 VGACTL 12 DATA 13 CLK 14 EN 15 REFIN 16 NC4 17 RXIA 18 RXIB 19 RXQA 20 RXQB G RF_CTRL_DATA RF_CTRL_CLK RF_CTRL_STRB WCLK C133 8.2p R124 200 R127 200 R128 200 R129 200 WRX_Q_N WRX_Q_P WRX_I_N WRX_I_P H WPA_VCC WDCDC_EN C119 NA VCC_PA U103 LM3208 L104 3.3uH B1 VDD A1 A2 SW PVIN C3 FB C2 E VCON C121 C1 EN B3 SGND A3 PGND 4.7u F VRADA_2V75 WPOW_SENSE C128 0.1u C129 10p R123 220 U105 1 VDD LMV221 6 OUT 2 RF_IN 5 REF R122 1K WPOW_DET G 3 GND 4 EN C132 33nF R125 62 R126 62 7 DAP WPOW_DET_EN H 1 2 3 4 5 6 7 8 9 10 11 12 LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 167 - LGE Internal Use Only