Samsung
Electronics
4-33
Troubleshooting
4-1-12 Network Error
Connect correctly the cable or
Wireless jack
Fail
No
Refer User Manual's Network Setup
Part and reset-up setting of Network
Yes
OK
Check Network connection
Test in the setup menu.
Cable connection
between Set & LAN ok?
Network Error
Change the MAIN PCB
The connection between LAN and SET is direct. So there is no need to check H/W if there is network problem.
If it is, the problem is MAIN CHIP(U1)'s BGA soldering problem.
It must be changed to new board.
Summary of Contents for HT-BD1255
Page 31: ...Samsung Electronics 4 5 Troubleshooting AMP page 7 5 C O N 1 AMP PCB Top page 6 9 Fig 4 1 1 1...
Page 32: ...4 6 Samsung Electronics Troubleshooting AMP page 7 5 Fig 4 2 1 2 2 2 2 2 2...
Page 36: ...4 10 Samsung Electronics Troubleshooting AMP page 7 5 UPIC1 AMP PCB Top page 6 9 Fig 4 3 1 1 1...
Page 37: ...Samsung Electronics 4 11 Troubleshooting AMP page 7 5 Fig 4 4 1 2 2 2...
Page 39: ...Samsung Electronics 4 13 Troubleshooting AMP page 7 5 Fig 4 5 1 3 3 3 3 3 3...
Page 62: ...4 36 Samsung Electronics Troubleshooting F W Update via Network...
Page 96: ...6 6 Samsung Electronics PCB Diagram 6 4 KEY PCB Top 1 2 TIC1 PCON2 VCON2 TCON...
Page 98: ...6 8 Samsung Electronics PCB Diagram 6 5 KEY PCB Bottom...
Page 101: ...Samsung Electronics 6 11 PCB Diagram 6 7 AMP PCB Bottom TP2 CON1 J3 AIC7 AIC8 AIC9...
Page 102: ...6 12 Samsung Electronics PCB Diagram 6 7 1 Test Point Wave Form TP2...
Page 105: ...Samsung Electronics 6 15 PCB Diagram 6 8 2 Test Point Wave Form TP6 TP5 TP7 TP8 TP9 TP10...
Page 107: ...Samsung Electronics 6 17 PCB Diagram 6 9 1 Test Point Wave Form TP7 TP8 TP9 TP10...
Page 108: ...6 18 Samsung Electronics PCB Diagram 6 10 SMPS PCB Top CN3 CN2...
Page 109: ...Samsung Electronics 6 19 PCB Diagram 6 11 SMPS PCB Bottom CN3 CN2...
Page 110: ...6 20 Samsung Electronics MEMO...