Samsung SGH-P310 Service Manual

Also see for SGH-P310: User guide

SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting and Circuit Diagrams9-16This Document can not be used without Samsung's authorization9-1-7. LCDENDCheck the connection of LCD andthe solder-status of J2Replace a connector (HDC401)YESLCD does not DisplayDisplay a image(MMI) clearlyHave a some problem ofconnector (HDC401)Backlight does workCheck the Voltage (. If had noproblem, Check the LCD_BL_ENsignal (U404)Change to New Compnent(U404). If noteffect, change to new LCDFirst, Check the connection of CN1 and LCDbacklight's brightness isuniformYESYESNONONONO①②③④③ ④