2-35
ONE POINT REPAIR GUIDE
3. WIRED NETWORK CONNECTION ERROR
When you connect online service (like You-tube or Netflix2.1) through the wired LAN,
the "no connection" message appears.
3-1. JK242 (ETHERNET JACK)
3-1-1.
Solution
Replace JK242 on MAIN board.
3-1-2. 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 Ethernet Jack (JK242).
3) If there is soldering problem, please re-soldering pin JK242.
4) If after re-soldering problem still occurs, replace JK242.
5) If problem still occurs after change JK242. check MT8553 IC (IC501). Refer to item 2-6.
3-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
JK242
JK242
Summary of Contents for SoundPlate lab550h
Page 65: ...2 52 3 AUDIO PART 1 DSP I2C IC401 SPI_SCL IC401 SPI_DATA 6 7 6 7 ...
Page 66: ...2 53 4 AUDIO PART 2 DSP I2S M_LRCK M_BCK M_DATA0 8 9 10 M_BCK M_DATA0 10 8 9 ...
Page 67: ...2 54 5 HDMI PART 12 11 H_SDA H_SCL 11 12 ...
Page 82: ...2 84 2 83 2 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 83: ...2 86 2 85 3 FRONT P C BOARD 4 FRONT KEY P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Page 87: ...3 4 1 Remove the Chassis Main Assembly Fig 5 Chassis Main Assembly Chassis Main Assembly ...
Page 90: ...3 7 1 Remove the 2 screws securing the KEY PCB 2 Remove the KEY PCB Fig 10 KEY 1 ...
Page 91: ...3 8 ...
Page 95: ...3 16 3 15 ...
Page 107: ...4 12 ...