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9. PCB LAYOUT

LGE Internal Use Only

Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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Summary of Contents for LG400GT

Page 1: ...Date January 2008 Issue 1 0 Service Manual Model LG400GT Service Manual LG400GT Internal Use Only Z 3 X B O X C O M ...

Page 2: ...NOFF RES1 D4 RES2 R14 L1 RNW RXDCSM K17 LCD_NRST C10 NBHE L3 M2 NBLE T1 NBSCAN NC1 K13 NC10 J12 H12 NC11 G12 NC12 L11 NC13 NC14 K11 J11 NC15 NC16 H11 NC17 L10 K10 NC18 NC19 J10 NC2 J13 G11 KBC0 KBC1 C16 E13 KBC2 KBC3 C15 KBR0 F11 KBR1 E11 C12 KBR2 KBR3 H9 E9 LCD_DAT_NDF_0 LCD_DAT_NDF_1 B8 LCD_DAT_NDF_2 C8 LCD_DAT_NDF_3 E8 B7 LCD_DAT_NDF_4 LCD_DAT_NDF_5 D8 C7 LCD_DAT_NDF_6 B6 LCD_DAT_NDF_7 D2 GPIO_...

Page 3: ...C7 K1 NC8 K14 F12 OE_ C4 RFU1 C11 RFU2 RFU3 H4 H11 RFU4 RFU5 G10 A_DQ10 G9 G8 A_DQ11 F7 A_DQ12 F6 A_DQ13 A_DQ14 G4 A_DQ15 G3 F9 A_DQ2 A_DQ3 F8 A_DQ4 G7 A_DQ5 G6 A_DQ6 F5 F4 A_DQ7 A_DQ8 F11 A_DQ9 F10 CLK D6 F_CE_ E11 S71VS064KB0 U202 E4 A16 D11 A17 A18 E10 D10 A19 A20 E5 A21 D4 E6 AVD_ A_DQ0 G12 G11 A_DQ1 20K R200 C220 1u C204 22n OB4 15L42 C33L 1 2 KB209 GND 4 7 S1 6 S2 VCC 9 MIC200 FSA2268TUMX U4...

Page 4: ...04 R369 47 V_IO 1u C315 0 1u 8 9 20K R309 13 14 15 16 17 18 19 2 20 21 22 3 4 5 6 7 CN302 1 10 11 12 330 R330 33u C300 C308 INOUT_B2 12 INOUT_B3 11 10 INOUT_B4 INOUT_B5 9 8 INOUT_B6 VCHG 27p ICVE31186E150R101FR FL300 7 G1 14 G2 INOUT_A1 1 2 INOUT_A2 3 INOUT_A3 INOUT_A4 4 5 INOUT_A5 INOUT_A6 6 13 INOUT_B1 HSMICBIAS V_IO R316 33K 27p 0 1u C309 2 Q1_B 6 Q1_C 1 Q1_E Q2_B 5 Q2_C 3 Q2_E 4 C306 VBAT V_IO...

Page 5: ...1 6 8nH L409 ANT400 ANT403 C421 27p 100p C431 C407 0 01u GND1 5 8 GND2 10 GND3 6 GSM1800_1900RX GSM1800_1900TX 1 4 GSM850_900RX GSM850_900TX 2 IN 9 7 VC_GSM1800_1900TX VC_GSM850_900TX 3 FL401 LMSP2PAA 575TEMP C406 0 01u Y1 Y2 L404 10nH 7 6 O2_2 NC7WV16P6X U401 A1 A2 GND VCC 2 G1 3 G2 5 G3 10 G4 I1 1 I2 4 9 O1_1 O1_2 8 O2_1 C402 2 2p B9310 FL400 L412 NA C425 R401 0 3p 100p C422 C426 27p C413 47p R4...

Page 6: ...8 19 20 21 22 23 24 12 13 14 15 2 3 4 5 6 7 8 9 16 25 26 27 CN1 1 10 11 100ohm R2 BAT1 VSYNC MODE SPK_RCV_P SPK_RCV_N IND_LED_B IND_LED_R MOTOR_P IND_LED_B D 0 7 D 4 D 5 D 6 D 7 LCD_ID _LCD_CS _LCD_WR MLED LCD_RESET MLED1 LCD_ADS MLED2 MOTOR_P D 0 D 1 D 2 D 3 D 0 7 D 3 D 4 D 5 D 6 D 7 LCD_RESET _LCD_CS _LCD_WR LCD_ADS D 0 D 1 D 2 SPK_RCV_P SPK_RCV_N IND_LED_R LCD_ID MLED2 MLED1 MLED 7 CIRCUIT DIAG...

Page 7: ... 76 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 8: ... Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 77 8 BGA IC Pin Check 8 BGA IC Pin Check 8 1 DBB U101 D6591BUZPH 8 2 ABB U100 T3031FZPH USE NOT IN USE Z 3 X B O X C O M ...

Page 9: ... 78 8 BGA IC Pin Check LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 8 3 Memory U202 S71VS064KB0 USE NOT IN USE Z 3 X B O X C O M ...

Page 10: ... 79 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 11: ... No Service U402 Analog Switch No Sound SPK Voice U200 SPK Amp No Sound SPK Voice U300 Charging IC No Charging U100 Triton lite ABB No Power On No Sound No LED CN301 FPCB conn No Display No Vibrator No Sound No Charging LED FL400 FEM GSM Rx Sensitivity No Service U101 Locosto DBB No Booting No Service No Display U202 Memory No Booting Z 3 X B O X C O M ...

Page 12: ... 81 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 13: ... 82 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

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