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| Sony EG1EGX (MBX-250) 3.3V line is short circuit https://vlab.su/viewtopic.php?f=55&t=18448 |
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| P.zonouz [ 18 янв 2014, 19:15 ] | |
| Заголовок сообщения: | Sony EG1EGX (MBX-250) 3.3V line is short circuit |
Hi Sony laptop brought, 3.3V line is short circuited. I used to toss voltage on short circuit so sorted part getting Hot. But now resistance between Voltage rail and ground is around 0~0.2 Ohm. when I toss 3.3V , Amperes goes to maximum(5.5A) and voltage drop to 0.8 volt like direct connect to ground!! no parts getting hot. I checked for metal part may cause this, MB is cleared, Anybody have any Idea how to find the burned part??? |
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| RsM [ 18 янв 2014, 20:12 ] | |
| Заголовок сообщения: | Re: Sony EG1EGX (MBX-250) 3.3V line is short circuit |
Need more powerful power supply. (more amper) |
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