32
″
LCD TV WDE W3223
20
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, C907
NG
Replace F901 or BD901 or C907
OK
Check IC931, Q931
Check D935, C926, C928
NG
Replace IC931 or Q931
OK
Check T931
OK
Replace T931
Replace D935 or C926 or C928
NG
NG
NG
Repair the key board
OK
Check 5V SB
NG
Return to “1”
OK
Check PWR ON signal
NG
Check U409, Q706, 0704
NG
Replace U409 or Q706 or
Q704
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 U706
Summary of Contents for W3223
Page 5: ...32 LCD TV WDE W3223 5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 11: ...32 LCD TV WDE W3223 11 ...
Page 13: ...32 LCD TV WDE W3223 13 2 4 Front Panel Control Knobs ...
Page 19: ...32 LCD TV WDE W3223 19 10 Remove the bezel 11 Remove the 4 screws to release the panel ...
Page 25: ...32 LCD TV WDE W3223 25 6 PCB Layout 6 1 Main Board ...
Page 26: ...32 LCD TV WDE W3223 26 ...
Page 27: ...32 LCD TV WDE W3223 27 ...
Page 28: ...32 LCD TV WDE W3223 28 6 2 Power Board ...
Page 29: ...32 LCD TV WDE W3223 29 6 3 Key Board ...