Samsung SGH-L770 Service Manual

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Samsung SGH-L770 Service Manual Manual pdf 55 page image

SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting10-15This Document can not be used without Samsung's authorization10-1-7 LCD part1. LCD_3.0V always on Check C7092. MLCD_LED EN/SET : 1.8VBacklight Enable port Check C701C700VBATR707R702VIO_2.62VC702 C701VR706R700R704C70455NC565152 5253 5354 546 67 78 89 9NC44454546464747484849495 55050513738 3839 394 440 40 41414242434344330 3031 3132 3233 3334 3435 3536 363723 2324 24 2525262627 2728 2829 2931516 1617 1718 1819 192 220 20 212122 22HEA7021 110 1011 1112 1213 1314 1415R705VR701R703C703SKEY_3.3VVR705 VR708 VR702VLCD_3.0VLCD_RDCAM_STBYn_VGACAM_H_SYNCPWR_ONCAM_SDACAMD(6)CAMD(2)MLCD_CSALCD_WE_ALCD_RESETnCAM_STBYn_2MCAM_RESETnCAMD(4)CAM_V_SYNCPCLKKEY_IN(5)KEY_IN(4)LCD_RS1_ACAM_PWR_ONOLCD(1)LCD(7)LCD(5)LCD(3) LCD(0)LCD(2)MCLKCAMD(5)CAMD(3)CAMD(1)CAMD(7)KEY_OUT(0)KEY_OUT(2)KEY_OUT(1)CAMD(0)KEY_IN(6)SPK_MNSSPK_PLSMOTOR_ENFLMMLCD_LEDLCD(4)CAM_SCLLCD(6)IN 45IN6INOUT7OUT89 OUTOUT10F7021G G23IN5IN6INOUT78 OUT9 OUTOUT10F7011G G2IN 3IN 49 OUTOUT101G G23ININ 45IN6INOUT78 OUTF706OUT102GIN 3IN 45ININ 67 OUTOUT89 OUTF7041G34ININ 56INOUT78 OUTOUT910 OUTF703G1 2GIN67 OUTOUT89 OUTOUT10F705G1 2GIN 3IN 45ININLCD_CSnCAM_H_SYNC CAM_HSYNCMLCD_CSACAM_D(6)CAMD(6)CAM_D(2)CAMD(2)CAM_D(7)CAMD(7)CAM_D(3)CAMD(3)LCD_D(7)LCD(6)LCD(7)LCD_D(0)LCD_D(2)LCD_D(4)LCD(0)LCD(2)A_1SR_DCL)4(DCL LCD_RSLCD_D(5)LCD(5)LCD(3) LCD_D(3)LCD_D(6)CAM_D(5)CAM_D(1)CAMD(5)CAMD(1)CAM_D(4)CAM_D(0)CAMD(4)CAMD(0)CAM_VSYNCCAM_V_SYNCLCD_WE_ALCD(1)LCD_WRnLCD_D(1)C311C318C319C320 C325C328C329C503C505C510C512C520C522 C526C527C528C529C530C531C532C534C538C539C547C548C549C550C553C558C700C701C702C703C704C707C708C709C710C720C722F701 F702F703F704F705F706FPC704HEA702AXK8L54125SJL500L502L503L704L705L706R307R308R309R310R311R312R313R335R336R513R516R527R700R702R703R704R705R707R713R714R715R734TA537U502S1M0080X01-P070U504’MAX9722BETE+T’U702MIC5320-SPYMTVR701VR702VR705VR706VR708VR714