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| Lenovo g50-80 (NM-a362 rev 1.0) NO CPU / memory Voltage after EC replacement - HELP PLZ https://vlab.su/viewtopic.php?f=58&t=69074 |
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| draganzile [ 01 дек 2017, 19:34 ] | |
| Заголовок сообщения: | Lenovo g50-80 (NM-a362 rev 1.0) NO CPU / memory Voltage after EC replacement - HELP PLZ |
Hey all, i am here again becouse i have trouble with Lenovo G50-80 laptop , motherboard model NM-a362 rev 1.0 Laptop opened, EC got burned , IT8586e , replaced with new 8586e , no short, laptop has 20v input, 3.3v on battery connectors x3 and 1.9v x2 on other 2 connectors. laptop starts, has 3.3v vs and 5v vs , but i do not get 1.5v / 1.35v for ram, or any cpu power. i have flashed bios already , bios chip model was 25B64BVS from GigaDevice, my programmer does not have this model in its database so i have selected GigaDevice 25q64 and read the chip and programmed it with bios dump from this forum. now, problem is , still same symptoms, will start, led comes on, no picture, no cpu power, no memory power. i tried to program EC , but could not do it via SVOD programmer becouse it will not detect ITE chip. i do not know why. says constantly, ITE not detected! need help and instructions from an experienced member. thank you edit: usb was defect, now detected ite, programmed ite with ec dump from this forum, and AGAIN, POWERS ON, NO DISPLAY, NO CPU / MEMORY VOLTAGE... smart pin 0.77v , please help. edit: ec pin 30 system power ok 3.3v ec pin 97 pch power enable ok 3.3v ec pin 99 pch power ok - 3.3v ec pin 106 EC_ADAPTER_R - 0v ps, i am looking schematics nm-362 v 1.0 with radeon gpu , |
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