30
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 (No LED)
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
=
12/16V?
Check TV is under control and power
on/off by remote control and power key?
Содержание LE22A3520/61
Страница 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Страница 6: ...6 2 2 To Use the Menus Picture Setting ...
Страница 7: ...7 Sound Setting Settings Menu ...
Страница 8: ...8 Channel Search ...
Страница 11: ...11 Other Adjustments ...
Страница 13: ...13 Sound and OSD ...
Страница 15: ...15 Media Functions USB Viewing Photos ...
Страница 20: ...20 2 4 Front Panel Control Knobs ...
Страница 24: ...24 4 Mechanical Instructions 1 Remove the screws to remove BASE 2 Remove the screws to remove REAR COVER ...
Страница 25: ...25 3 Remove the screws to remove SPEAKERS MAIN BOARD and POWER BOARD 4 Remove the screws to remove BKT ...
Страница 26: ...26 5 Remove the screw to remove IR BOARD ...
Страница 34: ...34 6 PCB Layout 6 1 Main Board 715G4629M01000004K ...
Страница 35: ...35 ...
Страница 36: ...36 ...
Страница 37: ...37 6 2 Power Board 715G5309P0A001002S ...
Страница 38: ...38 ...
Страница 39: ...39 6 3 Key Board 715G5569K01000004S 6 4 IR Board 715G5061R01000004M ...
Страница 41: ...41 8 Block Diagram ...
Страница 58: ...58 10 Exploded View ...