LG KG270 Service Manual - Page 88

7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A A 3 32.768KHZ CRYSTAL B X100 32KIN 4 3 32KOUT 1 2 MC-146_12_5PF 32.768KHz C104 18p C105 18p C R196 R197 R198 R199 MODEL KG278, MG160b, KG275 KG270 MG160a R196 0 R197 NA R198 NA R199 NA 2V85_VSIM 2V0_VRTC 2V8_VIO 2V8_VMEM 3V2_VBUF C101 2.2u VD1 2V5_VANA (1608) L102 18nH C113 1u 2V0_VRTC R100 6.8K BAT100 C112 1u C106 1u C107 1u C108 1u C109 1u C110 1u VRF1 C111 1u VBAT VD1 2V8_VIO 2V85_VSIM 2V8_VMEM 1V5_VRF0 RECEIVER REC_P L100 22nH CN100 1 C100 L101 22nH 2 39p B REC_N C102 39p C103 39p 11*07*3T receiver (SURY0013001) C 220n R101 22K C114 H13 F12 H14 H15 J12 J14 W_LED_FBN G14 AGND G15 G13 VDD_LRTC K12 M11 J10 G12 VDD_LSIM K10 B11 K15 F15 VDD_LBUF J13 G9 VDD_MAIN1 J7 L4 G10 VDDP_IO F6 R7 R6 B9 B8 VSS2 J8 K8 VSS6 K7 VSS8 F10 VSS9 M8 D ON BOARD ARM9 JTAG & ETM INTERFACE E (NOT MOUNTED) (FOR SW DEBUGGING / NOT MOUNTED) KEY_OUT1 KEY_OUT2 KEY_OUT3 KEY_OUT4 KEY_IN0 KEY_IN1 KEY_IN2 KEY_IN3 KEY_IN4 RXD TXD HS_DET DSR SSC0_CLK CHG_EN_TEST SSC0_MTSR LCD_RESET RXD TXD DSR C8 KP0 D6 KP1 D7 C7 KP2 KP3 D9 C6 KP4 C9 KP5 D8 KP6 KP7 F9 KP8 F8 KP9 G7 H7 RXD H8 G8 TXD RTS_N CTS_N J6 SSC0_CLK K6 G6 SSC0_MRST H6 SSC0_MTSR (FOR LCD SPI INTERFACE) DISP_REST VSS5 VSS4 VSS1 VDD_SIM VDD_RTC VDDP_MEM VDD_PLL VDD_MAIN2 VDD_LANA VDD_LRF2V5 VDD_LRF1V5 VDD_LMEM VDD_LIO VDD_LD1 IREF VREFP W_LED_FBP VBAT_2 VBAT_1 VBAT_4 VBAT_3 C115 2.2u (1608) SPEAKER AMPLIFIER SPEAKER REXT D12 (16V,K,X5R) R102 VBAT M0,2 : ~1.92V XOX A9 XO A8 TX2 A13 TX1 A14 E15 RX34 RX34X D15 RX12 C15 RX12X B15 DCS_PCS_OUT GSM_OUT DCS_RXP DCS_RXN GSM_RXP GSM_RXN 2 GND1 3 HOT2 X101 NX3225SA 2V8_VIO ( NX3225SA(W-188-34-7) R107 26MHz HOT1 1 GND2 4 C116 NA R103 NA SPK_N C117 0.1u R104 20K SPK_P C118 0.1u R105 20K RADIO_SPK_L C119 0.1u R106 82K U100 A3 INP NCP2890AFCT2G OUTB C2 A1 INM A2 OUTA C3 _SD VM B2 C1 BYPASS VP B3 L103 27nH CN101 1 D L104 27nH 2 16pi 3.4T speaker (SUSY0025801) B1 VM_P R108 82K M7,9 : ~0.96V (30uA) (VOLTAGE SENSING) (30uA) (90uA) N10 M9 R14 M0 M7 R11 P10 M2 NA 20K RADIO_DETECT (FOR FM RADIO) R109 LCD_ID LOUD_SPK_EN DEFAULT_BANDSEL 68K BATT_TEMP diode diode C120 1 uF (2012) D100 C122 C123 0.1u 0.1u D101 C121 0.22u 100K R110 PAOUT1 P13 K14 LOUD2 L15 LOUD1 TX_RAMP SPK_N SPK_P VMIC R111 100K R112 47K (10V,K) Gain : Rf/Rin E 2V8_VIO 2V8_VMEM R113 NA (R110 will be changed to NA for mass production) R114 NA CN102 G1 G2 1 30 (FOR FM RADIO) (FOR FM RADIO) FM_SCL FM_SDA SIM_DATA H9 H10 SCL SDA R8 CCIO VMIC MICP2 P12 P11 MICN2 MICP1 R12 P15 AUXIP AUXIN VINNORP C124 1000p 2 29 3 28 (FOR FM RADIO) FM_INT M9 P7 CCVZ_N MICN1 R13 M14 VINNORN SIM_CLK CCLK EPPA1 EPPA1 TRSTn TDI TMS TCK 4 27 5 26 6 25 7 24 8 23 2V0_VRTC SIM_RST LOUD_SPK_EN TDO TDI R10 N8 CCRST CCIN P8 TDO M10 TDI M12 EPP1 EPN1 N15 T2IN B2 VIB_CONTROL B1 REC_P REC_N HEADSET_RADIO_SEL (FOR FM RADIO) VIBRATOR CHARGING IC TDO 9 22 10 21 TMS P9 R9 TMS BACK_LIGHT B3 A2 KEY_BACKLIGHT F TRIG_IN TRIG_OUT EXTRSTn 11 20 12 19 13 18 14 17 15 16 R115 100K TCK TRSTn TRIG_OUT TRIG_IN CHG_EN K9 TCK B5 TRST_N C5 TRIG_OUT TRIG_IN F7 NMI_N (FOR CHARGING IC) N6 PMB7880 U102 W_LED_DRV A4 CC00IO A3 RSTOUT_N RESET_N P5 SAFE_RES M7 N7 _RESET W_LED_DRV RADIO_EN (FOR FM RADIO) FM_RST (FOR FM RADIO) R116 0 2V8_VIO VCHARGE VBAT VCHARGE F MON100 N9 MON1 SWITCH_ON P6 PWRON R117 NA G3 G4 (FOR 2.8V VMEM SELECTION) DATA00 MON2 R4 D0 OSC32K F32K R5 B4 CLKOUT 32KOUT 32KIN CHG_STATUS R119 1.8K R118 NA U101 P1 1 10 DATA01 DATA02 DATA03 DATA04 P2 N2 D1 D2 D3 L1 D4 M2 T_OUT8 T_OUT4 B7 A5 T_OUT3 A6 B6 BS FM_32K VC2 (FOR FM RADIO) CHARGE_DETECT R121 VIN 2 _FAULT 3 VBAT VSEN_TEMP 9 8 C125 1u (10V,K,X5R) R120 NA DATA05 DATA06 K1 D5 D6 T_OUT2 A7 T_OUT0 VC1 TXON_PA CHG_STATUS _STATUS IREF NA R122 0 CHG_EN_TEST J2 DATA07 P3 D7 N5 C126 (10V,K,X5R) 4 TIME 7 V2P8 C DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 R2 D8 M1 D9 D10 N1 D11 L2 K2 D12 D13 OE_N M6 ADV_N BHE_N E3 WR_N E2 RD_N CS3_N R3 M5 BHE_N _WR _OE BHE_N _WR CS3 1u C127 0.015u 5 11 GND PGND 6 EN C128 R124 R123 NA R125 CHG_EN C ISL9201IRZ-T 1u 160K 100K DATA14 J1 M4 D14 CS1_N K3 P4 CS100 CS1n (1%) VBAT DATA15 D15 C2 CS0_N A22 G1 E1 CS0n UA100 3G 2.5G UART PORT ADD00 ADD01 A0 D5 A1 F4 A21 A20 H1 D1 ADD21 ADD20 (FOR CHARGING IC) ADD02 A2 A19 ADD19 1 E4 F3 GND GND 2 ADD03 D4 A3 A18 L3 ADD18 RX RX RXD ADD04 A4 A17 ADD17 3 G4 K4 TX TX UFLS 4 NC1 TXD ADD05 ADD06 D2 A5 A6 A16 A15 J4 ADD16 ADD15 5 H4 H3 ON_SW ON_SW RPWRON ADD07 A7 A14 ADD14 R1 NC4 NC2 NC3 E_FUSE NC1 G3 VSS_RF13 VSS_RF12 E12 VSS_RF11 D14 VSS_RF10 VSS_RF7 VSS_RF8 VSS_RF9 C14 VSS_RF6 VSS_RF4 VSS_RF5 B14 VSS_RF3 VSS_RF1 VSS_RF2 VDD_VCO VDD_LRF_XO D VBAT 6 VBAT ADD08 C1 A8 A13 J3 ADD13 D 7 F1 H2 F14 VDD_RX VDD_DIG A11 VDD_LO C11 VDD_TRX VSS_MS7 N11 VSS_MS6 VSS_MS5 VSS_MS3 VSS_MS4 VSS_EPLS VSS_MS1 PWR NC2 ADD09 A9 A12 ADD12 URXD 8 NC3 ADD10 F2 A10 A11 G2 ADD11 CS CDT UTXD 9 NC4 10 DSR 11 A1 R15 J15 E13 E14 C10 D11 B13 B12 B10 A12 A10 A15 N14 P14 L13 L14 K13 L12 H12 J9 RTS 12 CTS M15 VSS_MS2 D10 F13 1V5_VRF0 VD1 VRF1 VRF2 E_FUSE CHARGE_DETECT C129 0.1u C130 47n C133 4700p C131 1u C132 4700p 28 29 30 31 32 33 34 35 SC100 E 1 27 2 26 3 25 4 24 5 23 6 22 7 21 8 20 9 19 VBAT VBAT VBAT1 VBAT2 GND1 GND2 18 17 16 15 14 13 12 11 10 F Section Designer Checked Approved Date 11/16 2006 Sign & Name SANG-YOEN.LEE MODEL DRAWING NAME GB3_RADIO SPFY0144601 BB E Sheet/ Sheets 1/4 Iss. Notice No. Date Name LG Electronics Inc. DRAWING NO. VER-1.1 1 2 3 4 5 6 7 8 9 LG(42)-A-5505-10:01 LG Electronics Inc. - 89 -