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 (LED Red)
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
=
12V?
Check TV is under control and power
on/off by remote control and power key?
Summary of Contents for LE43B7600A
Page 4: ...4 1 General Specification ...
Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...
Page 6: ...6 ...
Page 7: ...7 2 2 OSD Menus ...
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Page 17: ...17 2 3 Panel Control and Rear Terminal Control ...
Page 18: ...18 ...
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Page 24: ...24 4 Mechanical Instructions Step1 Remove the BASE Step2 Remove the REAR COVER ...
Page 26: ...26 Step6 PANEL ...
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G7492M0D000004K ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 ...
Page 38: ...38 6 2 Power Board 715G6679P02001002M ...
Page 39: ...39 ...
Page 40: ...40 ...
Page 41: ...41 6 3 IR Board 715G7437R01000004M 6 4 Key Board 715G7436K01000004K ...
Page 44: ...44 4 When update finished TV will restart automatically and go into Android Updating ...