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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 LE32B7500
Page 4: ...4 1 General Specification ...
Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...
Page 6: ...6 ...
Page 19: ...19 2 3 Panel Control and Rear Terminal Control ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 26: ...26 4 Mechanical Instructions LE32B7500 Step1 Remove the BASE Step2 Remove the REAR COVER ...
Page 28: ...28 Step6 PANEL ...
Page 29: ...29 LE50B7500 Step1 Remove the BASE Step2 Remove the REAR COVER ...
Page 38: ...38 6 PCB Layout 6 1 Main Board 715G6686M01001004K ...
Page 39: ...39 ...
Page 40: ...40 6 2 Power Board 715G6143P01004002H 32 ...
Page 41: ...41 ...
Page 42: ...42 ...
Page 43: ...43 715G6439P01002002M 50 ...
Page 44: ...44 ...
Page 45: ...45 ...
Page 46: ...46 6 3 IR Board 715G6721R02000004I 6 4 Key Board 715G6715K01002004I ...