motorola DBG W206 W213 A4 C L3 V1 free download

File name DBG_W206_W213_A4_C_L3_V1.pdf

Agenda A. Can not power on J. Microphone no function B. "Insert SIM" K. Earphone no function C. Display abnormal L. RTC ab-normal D. No Keypad's and LCM backlight M. Phone hang E. Receiver no key tone N. Auto power on F. No ring tone O. Auto power off G. Can not charge P. Can not call out H. Keypad no function Q.FM no function (only available for W213) I. Vibrator out of control A. Can't power on 1. Check the voltage of the battery. VBAT (red square)>3.6V 2. Check Battery connector J703 Probe Point Battery connector Should be >3.6V A. Can't power on 3. Check the Power-ON path. 2 D801 KBR4 1PS79SB30 S802 1 R802 RPWON 1 C805 33pF 1K DGND 2 R806 (POWER/ END) DGND 1K Power on path R802/D801 A. Can't power on 4. CheckTriton_lite regulator voltage. A. VRABB_2.8V should be 2.8V(C147) B. VRIO_1.8V should be 1.8V(C155) C. VRMEM_1.8V should be 1.8V(C141) Probe Point C141 C155 Triton lite C147 A. Can't power on 5. Try to download SW to the damaged unit. If the damaged unit can not power on, you can check the Flash Memory IC(U301) , LOCOSTO(U101) and Triton_lite (U103). B. "Insert SIM" issue 1. Download SW to the damaged unit 2. Check the SIM connect SIM circuit B. "Insert SIM" issue 3. Check the SIM interface between LOCOSTO(U101) & Triton_lite (U103). under power-on routine USIM_CLK USIM_IO