Samsung SGH-X680 Service Manual

Also see for SGH-X680: User guide User guide

Flow Chart of Troubleshooting10-1522CN5011U402 (WM8955)U403 (Audio SW)VCCD_1.8VR502C507C505C500VR5015253 53 54 546 67 7 8 89 945 46464747 484849495 5505051 51 523839 394 440 404141 42424343 4444453031 31 32 3233 33 34 3435 35 36 3637 37 3824 242525 26 2627 27 28 2829 293 3301617 17 18 1819 192 220 2021 21 22 2223 231 110 1011 11 12 1213 13 14 1415 15 16HDC501 C504VCCD_2.9VBATC508C506C503CAM_2.8Y(1)_OSPK1NCAM_RESETSPK1PDIMMING_ENLCD_DO(7)LCD_DO(9)LCD_DO(11)LCD_DO(13)LCD_DO(15)LCD_RS_OSLCD_CS_OY(3)_OY(5)_OY(7)_OCAM_SDALCDVIB_ENMCLKHREFLCD_DO(1)LCD_DO(3)LCD_WEN_OY(6)_OPCLKCAM_SCLMLCD_CS_OLCD_DO(14)LCD_DO(12)LCD_DO(5)LCD_DO(0)LCD_DO(2)LCD_DO(4)LCD_DO(8)LCD_DO(6)LCD_DO(10)Y(2)_OY(0)_OVSYNCRSTY(4)_OC414CODEC_3.3VVCCD_1.8R411KLCS32 31NIDSVMID 21VREF 20NC2 22NC32438 NC4NC537113TUODNGLLP91TUOR12 152TUOR1TUOL132TUOL16MCLK1EDOM29 26+NIONOM-NIONOM2510TUOONOM3334DNGDNG3536 GNDHPDETECT2314DNGPH HPVDD 17LNIENIL28 27RNIENILBCLK58 CLKOUT30BSC6 DACDATDACLRC7DBVDD3DCVDD2DGND4DNGUCD402AGND 19AVDD18R409VCCD_1.8R414R412R402C413C415L400R401C412C418C417TA416L_TUO_MWR_TUO_MWBSC_MWWM_LRCWM_DACDATP_TUO_MWN_TUO_MWNIDS_MWKLCS_MWCLK13M_WMWM_BCLKVBATC419R408R400C411GND1CN 71812CN41CCV793S2114S1312S41D 614 D2D38D4216U4032 1-2IN511S11 1S22S1352S23-4IN013S1314RC405R407C400 C401C402C420SPK1NPBTUOAAOUTBNAMP_IN_NWM_OUT_PAMP_IN_SELSPK_OUT_SELAMP_OUT_PAMP_OUT_NP_NI_PMAP1KPSAOUTAPAOUTANWM_OUT_N