3-5
ONE POINT REPAIR GUIDE
4-3. Service hint (Any picture/ Remark)
< Main board top view >
4. NO SOUND IN Wi-Fi MODE
No power problem occurs when you power on the unit.
4-1. Solution
Check and replace CN501 on main board.
4-2. How to troubleshoot (Countermeasure)
1) Check if Wi-Fi is in connect state with your device.
2) Check connection of CN501 and Wi-Fi module.
3) Check Input voltage of CN501 pin6. (It should be 3.3 V)
4) If voltage is 3.3 V, replace Wi-Fi module.
5) If It is still out of order, after this process replace main board assembly.
CN501
CN501
Summary of Contents for NP8350
Page 13: ...1 12 ...
Page 22: ...2 9 Figure 3 7 7 Close the Battery Assembly fix the screw and assemble the rubber foot ...
Page 42: ...3 13 MPEG 2 2 Figure 3 4 IC501 MT8507 CAS 9 Figure 3 5 IC501 MT8507 BA0 10 9 10 ...
Page 52: ...3 32 3 31 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...