21
4. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 12V?
Replace the Panel
No display (LED white)
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
=
24V?
Check TV is under control and power
on/off by remote control and power key?
Summary of Contents for LE19A1333/30
Page 4: ...4 1 General Specification ...
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 6: ...6 2 2 To Use the Menus ...
Page 7: ...7 ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 2 3 How to Connect ...
Page 12: ...12 ...
Page 13: ...13 2 4 Front Panel Control Knobs ...
Page 15: ...15 3 3 Compatible Mode Table ...
Page 25: ...25 6 PCB Layout 6 1 Main Board 715G5749M01000004K ...
Page 26: ...26 ...
Page 27: ...27 6 2 Power Board 715G5309P01001002S ...
Page 28: ...28 ...
Page 29: ...29 6 3 Key Board 715G5795K01000004S 6 4 IR Board 715G5889R01000004S ...
Page 47: ...47 10 Exploded View LE19A1333 30 ...
Page 49: ...49 LE22A1333 30 2 4 3 5 6 7 8 9 10 11 15 12 13 14 1 16 ...