3-40
ONE POINT REPAIR GUIDE
6. WIRELESS NETWORK CONNECTION ERROR - (OPTION PART)
When you connect online service (like Youtube or Netflix2.1) through the Wi-Fi,
the “no connection” message appears.
6-1. Wi-Fi Module
6-1-1. Solution
Replace Wi-Fi module.
6-1-2. How to troubleshoot (Countermeasure)
1) Check you internet connection.
Make sure it connect properly to modem or router.
2) If internet connection OK, please check the CN803.
3) If there is soldering problem, please re-soldering pin CN803.
4) If after re-soldering problem still occurs, Please check CN803 pin5 (Wi-Fi 5V)
5) If there is no 5 V, please check IC191 pin6 (5 V)
6) If IC191 pin abnormal, check C191, C192, C193, R192
and there is no defective component, replace IC191.
7) After changing it, if the set is still no connection, replace Wi-Fi module.
8) If problem still occurs after change it, check MPEG IC (IC501).
Refer to item 3-8.
6-1-3. Service hint (Any picture / Remark)
CN803, < Main board top view >
< Wi-Fi module >
CN803
Содержание BPM35
Страница 59: ...3 46 WAVEFORMS OF MAJOR CHECK POINT 1 SYSTEM PART 1 IC501 X TAL 27 MHz 1 1 ...
Страница 60: ...3 47 2 SYSTEM PART 2 SYSTEM MEMORY IC601 BA0 IC601 WE IC601 CAS IC601 CK 2 3 5 4 2 3 4 5 ...
Страница 61: ...3 48 3 HDMI PART H_SDA H_SCL HDMI_CLK_N HDMI_0_N 9 8 7 6 6 7 8 9 ...
Страница 63: ...3 50 BLOCK DIAGRAM ...
Страница 83: ...4 12 ...
