47
″
LCD TV Best Buy NS-LCD47HD-09
23
5. Repair Flow Chart
1. No Power (No LED indicator)
2. Can not start (LED indicator yellow)
NG
Check power cord and board interface
Plug in power cord and interface
OK
Check F901, BD901, C908
NG
Replace F901 or BD901 or C908
OK
Check IC902, Q901
Check D907, C921, C923,
IC905, IC906
NG
Replace IC902 or Q901
OK
Check T901
OK
Replace T901
Replace D907 or C921 or C923 or
IC905 or IC906
NG
NG
NG
Repair the key board
OK
Check 5V SB
NG
Return to “1”
OK
Check PWR ON signal
NG
Check U411, X402
NG
Replace U409 or X402
Check I
2
C communication
OK
Check U401, U402
NG
Replace the main board
OK
OK
Check main board power supply part
Check key board
Check I
2
C communication
OK
Check 3.3V SB
NG
Check U703
Summary of Contents for NS-LCD47HD-09
Page 5: ...47 LCD TV Best Buy NS LCD47HD 09 5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 16: ...47 LCD TV Best Buy NS LCD47HD 09 16 ...
Page 17: ...47 LCD TV Best Buy NS LCD47HD 09 17 2 4 Front Panel Control Knobs ...
Page 28: ...47 LCD TV Best Buy NS LCD47HD 09 28 6 PCB Layout 6 1 Main Board ...
Page 29: ...47 LCD TV Best Buy NS LCD47HD 09 29 ...
Page 30: ...47 LCD TV Best Buy NS LCD47HD 09 30 ...
Page 31: ...47 LCD TV Best Buy NS LCD47HD 09 31 6 2 Power Board ...
Page 32: ...47 LCD TV Best Buy NS LCD47HD 09 32 ...
Page 33: ...47 LCD TV Best Buy NS LCD47HD 09 33 ...
Page 34: ...47 LCD TV Best Buy NS LCD47HD 09 34 6 3 Key Board 6 4 IR Board ...
Page 59: ...47 LCD TV Best Buy NS LCD47HD 09 59 10 Exploded View ...