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| E1-572 (LA-9531) Turn on,No display,reset loop https://vlab.su/viewtopic.php?f=59&t=59754 |
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| R EZ A [ 08 апр 2017, 11:23 ] | |
| Заголовок сообщения: | E1-572 (LA-9531) Turn on,No display,reset loop |
hi masters i have a laptop here that befor me someone works on board he replace EC and heated VGA chip now when i press power button it turnes on,use 0.25A and after about 5Sec restarts i flash bios and ec change ram but no help power rails are all on EC_RST=3.3V PM_SLP_S5#=0V SUS#=3.3V EC_ON=3.3V PLT_RST#=0V do you have any idea what is the problem? thanks all |
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| R EZ A [ 09 апр 2017, 21:04 ] | |
| Заголовок сообщения: | Re: E1-572 (LA-9531) Turn on,No display,reset loop |
anyone? any idea? |
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| kds [ 09 апр 2017, 22:51 ] | |
| Заголовок сообщения: | Re: E1-572 (LA-9531) Turn on,No display,reset loop |
What are the other voltages? |
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| R EZ A [ 10 апр 2017, 12:40 ] | |
| Заголовок сообщения: | Re: E1-572 (LA-9531) Turn on,No display,reset loop |
kds писал(а): What are the other voltages? +0.95VSDGPUP=0.84V +1.05VSP=1.64V +VGA_CORE=0.90V +1.35VP=1.34V +CPU_CORE=1.7V !!!!! PU702 pin8=0.386V should i replace pu702(CSD97374)? |
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