30
4. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 5V?
Replace the Panel
No display (LED blue)
Replace the main board
Check the backlight is
“On”?
Check the LVDS cable
Reinsert or replace the
LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Power board output
=
16V?
Check TV is under control and power
on/off by remote control and power key?
Summary of Contents for LE22H168 -
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 7: ...7 2 2 To Use the Menus ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ...17 2 3 How to Connect ...
Page 18: ...18 ...
Page 19: ...19 2 4 Front Panel Control Knobs ...
Page 20: ...20 ...
Page 24: ...24 3 Remove the screws to remove AC COVER and SPEAKERS 4 Remove the screws to remove BKT ...
Page 26: ...26 7 Remove the screws to remove BKT and separate the PANEL and BEZEL 8 The BEZEL ...
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G4491M0G000004K ...
Page 35: ...35 ...
Page 36: ...36 6 2 Power Board 715G4485P02000002S ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 63: ...63 10 Exploded View ...