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LG MS25 Service Manual
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LG MS25 Service Manual

LG MS25 Service Manual

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Download this manual See also: User Manual
Internal Use Only
Service Manual
MS25
Date: December, 2007 / Issue 1.0

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Summary of Contents for LG MS25

  • Page 1 Internal Use Only Service Manual MS25 Date: December, 2007 / Issue 1.0...

  • Page 2: Circuit Diagram

    SDRAM_D16 EBI1_DQ16 GPIO59 SSBDT_RTR SDRAM_D15 EBI1_DQ15 GPIO60 I2C_SCL SDRAM_D14 EBI1_DQ14 GPIO61 I2C_SDA SDRAM_D13 EBI1_DQ13 SDRAM_D12 EBI1_DQ12 SDRAM_D11 EBI1_DQ11 - 133 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 3 VSS_DIG60 DNU2 VSS7 DNU3 VSS8 DNU4 DNU5 DNU6 DNU7 VMSME_1.8V_SENSE VMSME_1.8V VMSMC1_1.2V C220 VMSMA_2.6V VMSMC2_1.2V C223 C227 VMSMP_2.6V - 134 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 4 KPD_PWR_N KPDPWR_ON KPD_DRV_N KPD_DRV_N PON_RESET_N nPON_RST D310 R316 LCD_DRV_N PS_HOLD PS_HOLD FLSH_DRV_N KDS114E JTAG_PS_HOLD R317 200K D311 PG05DBTFC - 135 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 A_GPIO1 VDDFM5 TP405 BT_PCM_CLK A_GPIO0 VDDO33_1 VBT_2.6V VDDO33_2 R408 100K RST_N VDDO33_3 VBT_2.6V C426 0.1u nBT_RESET D400 PG05DBTFC - 136 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6 1000p 0.1uF X500 R517 RTR_TRK_LO_ADJ VCONT 100ohm 100p C548 C551 TCXO_PM_19.2MHz 0.01u 19.2MHz 1000p C552 TCXO_RTR_19.2MHz EXSK0007802 TG-5010LH_19_2M_75A - 137 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 GPIO_10 D606 SPI_MOSI EJTAG_SEL WLAN/BT 32.768KHz PG05DBTFC VMSMP_2.6V Q603 KTK5132E WLAN_PWD X600 SG-3030LC-32.768 32KHZ_ON WLAN_32KHZ R653 BT_32KHZ 32.768MHz - 138 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 REFBP LDO2 VCAM_1.8V EUSY0263101 C720 C721 C722 U703 R1114D181D 0.01u 2.2u 2.2u VOUT GND1 LCD_PWR_ON GND2 C723 C724 - 139 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 KPD_ROW1 PRSB6.8C PRSB6.8C ENWY0005601 KPD_ROW2 KPD_ROW3 KPD_ROW4 SW102 EVQQ7GA50 ESCY0004001 Power Button KB105 KPDPWR_ON LG(42)-A-5505-10:01 LG Electronics Inc. - 140 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 CAM_DATA1 CAM_DATA2 CAM_DATA0 CAM_DATA1 CAM_2M_PWDN CAM_DATA0 CAM_MCLK CAM_MCLK VCAM2_2.6V CAM_VSYNC VCAM2_2.6V VCAM3_2.6V CAM_HSYNC CAM_VSYNC VCAM3_2.6V CAM_HSYNC ENBY0015601 AXK7L34227G - 141 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 - 142 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 8. BGA IC PIN MAP 8.1 MSM7200 (EUSY0318901) : U101-1, U101-2 Fig.1 MSM7200 Pin Function Map (Top View) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 143 - Only for training and service purposes...
  • Page 13 8. BGA IC PIN MAP MSM7200 (EUSY0318901) : U101-1, U101-2 : Used : Not used Fig.2 MSM7200 Pin Map (Bottom View) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 144 - Only for training and service purposes...
  • Page 14 8.2 KAL009001M-D1YY (EUSY0316502) : U201 : Used : Used Fig.3 KAL009001M Pin Map (Top View) : Not used Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 145 - Only for training and service purposes...
  • Page 15 8. BGA IC PIN MAP 8.3 PM7540 (EUSY0342201) : U304 Fig.4 PM7540 Pin Function Map (Top View) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 146 - Only for training and service purposes...
  • Page 16 8. BGA IC PIN MAP PM7540 (EUSY0342201) : U304 : Used : Not used Fig.5 PM7540 Pin Map (Bottom View) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 147 - Only for training and service purposes...
  • Page 17 8. BGA IC PIN MAP 8.4 BCM2048SKUFBG (EUSY0319601) : U403 : Not used : Used Fig.4 BCM2048 Pin Map (Bottom View) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...

  • Page 18: Pcb Layout

    No Service No Boot CN400 Main to Sub 90P Con No LCD/Camera/ CN301 Touch/Key/Speaker/ No Boot Vibrator Functions MS25-MAIN-SPFY0162001-1.0-TOP - 149 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 No UART Function No TA Charging No Bluetooth Power On U300 U303 No TA/USB Charging No USB Function MS25-MAIN-SPFY0162001-1.0-BTM - 150 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 No Camera On No Touch/Camera No Backlight/Flash On Shutter/LED/SEND/ END/Power/Jog Key Functions X600 Canít make Bluetooth Sleep MS25-SUB-SPJY0039401-H-TOP - 151 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 No 2M Camera Functions CN702 No Display S700 No USIM/T-Flash Functions CN602 No LCD/Camera/ Touch/Key/Speaker/ Vibrator Functions MS25-SUB-SPJY0039401-1.0-BTM - 152 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 9. PCB LAYOUT CN103 No 2M Camera Functions MS25-CAM-SPCY0119701-1.0-TOP CN102 No 2M AF Camera Function MS25-CAM-SPCY0119701-1.0-BTM - 153 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 No SEND Key LD103 CN100 No Key LED On Tx Mute No Record Function CN101 No Touch Function MS25-F-KEY-1.0-TOP - 154 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 24 9. PCB LAYOUT MS25-F-KEY-1.0-BTM - 155 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 - 156 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...