|
Welcome to the GSM-Forum forums. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. Only registered members may post questions, contact other members or search our database of over 8 million posts. Registration is fast, simple and absolutely free so please - Click to REGISTER! If you have any problems with the registration process or your account login, please contact contact us . |
|
Register | FAQ | Donate | Forum Rules | Root any Device | ★iPhone Unlock★ | ★ Direct Codes ★ | Direct Unlock Source |
Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones. |
| LinkBack | Thread Tools | Display Modes |
12-29-2014, 09:33 | #5310 (permalink) |
Junior Member Join Date: Jan 2011
Posts: 3
Member: 1501934 Status: Offline Thanks Meter: 0 | HERE YOU CAN FIND SOLUTION FOR SM-G850 NO POWER PROBLEM No Power Step Check point Result value Defect point 1 Confirm the defect symptom - - 2 Check the battery terminal visually Damaged Battery terminal Normal Go to the step 3 3 Check the PBA current with a power supply (power supply voltage : 3.8 ~ 4.0V) High current (over than 3A or under 50mA) Battery path circuit short Normal current (Current change) Display or Power key Other current case (0mA or other) Go to the next step 4 Check the Vbatt(+point) of IF PMIC output Same as power supply voltage Go to the next step If not the correct value IF PMIC (U701) 5 Check the voltage of XNRSTOUT test point (Typical 1.8V fixed) Voltage level of T/P = 1.8V Go to the next step If not the correct value AP PMIC (U702) 6 Check the frequency of Main clock source OSC500 (R631) R631 = freq 24MHz signal Go to the next step If not the correct value X-tal part (OSC600) 7 Check the voltage of eMMC memory C694 = 2.9V R653 = 1.8V Other part initial fail If not the correct value eMMC Power(U600) |
Bookmarks |
| |
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
***All Samsung Hardware Solution*** | bunty2008 | Samsung Hardware Repair | 33 | 01-14-2020 14:10 |
All Samsung Hardware Solution | bsat | Samsung Hardware Repair | 25 | 10-13-2018 12:43 |
|