Related Manuals for LG ME550d
Summary of Contents for LG ME550d
- Page 1 Service Manual ME550d Date: June, 2007 / Issue 1.0...
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Page 2: Circuit Diagram
1.3 / 1.4 / 1.05 Checked VRMEM VRDBB VRIO DRAWING ABB/DBB VREXTH 1.8 / 200@1.8V NAME 100@2.8V Approved N.A. VREXTL 1.3/1.05 200@1.3V 1.8 / 2.8 100@1.8~2.8V Q101 DTC144EM-T2L DRAWING LG Electronics Inc. Iss. Notice No. Date Name - 117 -... - Page 3 Sheets MODEL C219 VIBRATOR ME550d ME550c MAIN 01/24 C220 Designer 100p TF_DAT2 TF_DAT1 2007 VRMMC TF_DAT3 TF_DAT0 RCV_N RCV_NN Checked L202 33nH DRAWING TF_CMD C221 MEMORY / T-FLASH / SIM NAME TF_CLK Approved DRAWING LG Electronics Inc. - 118 -...
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Page 4: Analog Switch
ME550c MAIN TP305 01/24 JTAG_TRST Designer TP306 JTAG_TDI 2007 TP307 R333 JTAG_TMS TP308 USB_BOOT_SEL JTAG_TCK TP309 JTAG_RTCK Checked R334 Q301 TP310 DRAWING VBUS BOOT_SEL JTAG_TDO IO CONNECTOR & UART 2SC5585 R335 NAME Approved DRAWING LG Electronics Inc. - 119 -... - Page 5 VBAT LDO Supplies VCC_SYN TPS79928DRVR U405 C433 0.1u PGND C434 C435 Section Date Sign & Name Sheet/ 0.01u 2.2u Sheets MODEL ME550d MAIN 01/24 Designer 2007 REGEN C_VCCRF Checked DRAWING TPS79928DRVR U406 RF_RENESAS NAME Approved PGND C436 C437 0.01u 2.2u DRAWING LG Electronics Inc.
- Page 6 Date Sign & Name Sheet/ Sheets MODEL ME550d ME550c Main Key 01/23 MAIN_KEY_BL_EN Designer 2007 Checked DRAWING MIC & SIM & KeyLED & B/T & Batt.Conn. NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. - 121 -...
- Page 7 Section Date Sign & Name Sheet/ Sheets MODEL ME550d ME550c Main Key V_28 VRIO 01/23 Designer 2007 C200 C201 Checked DRAWING FM & CONN & KEY NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. - 122 -...
- Page 8 VBACKUP 3V/1mAh C102 0.1u Section Date Sign & Name Sheet/ Sheets MODEL ME550d ME550c MAIN-SUB 01/02 Designer 2007 Checked DRAWING T-FLASH / RTC Batt. / MOTOR NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. - 123 -...
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Page 9: Charge Pump
R145 ISINK4 LCD_BL_EN EN_SET C114 C115 C116 C117 Checked DRAWING U104 R132 AAT2805IXN-4.5-T1 ChargePump & LDO & LED & CONN. NAME 100K Approved CHARGE PUMP 3LED(60mA) + FLASH(300mA) DRAWING Iss. Notice No. Date Name LG Electronics Inc. - 124 -... - Page 10 VBAT KBC(0) KBC(1) KBC(2) Section Date Sign & Name Sheet/ KBC(3) Sheets MODEL KBC(4) VBATS ME550d ME550c MAIN FPCB 02/07 BATT_TEMP Designer MAIN_KEY_BL_EN 2007 Checked DRAWING NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. - 125 -...
- Page 11 7. CIRCUIT DIAGRAM CAM/PWR SIDEKEY (PWON) (CAM) PWON KBC(2) (CAM) KBR(3) Section Date Sign & Name Sheet/ Sheets ME550c MODEL ME550d Designer Checked DRAWING SIDEKEY_FPCB NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. LG Electronics Inc. - 126 -...
- Page 12 VOLUME SIDEKREY (UP) (DOWN) KBR(3) KBC(0) (UP) KBC(1) (DOWN) Section Date Sign & Name Sheet/ Sheets MODEL ME550c ME550d Designer Checked DRAWING SIDEKEY_FPCB NAME Approved DRAWING Iss. Notice No. Date Name LG Electronics Inc. LG Electronics Inc. - 127 -...
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Page 13: Pcb Layout
8. PCB LAYOUT ME550d - 128 -... - Page 14 8. PCB LAYOUT ME550d - 129 -...
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