27
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 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
᧹
12/16V?
Check TV is under control and power
on/off by remote control and power key?
Summary of Contents for LE19C1320
Page 19: ...19 4 Mechanical Instructions LE19C1320 TBD ...
Page 21: ...21 Step3 Remove the AC BKT Step4 Remove KEY BOARD and IR BOARD ...
Page 23: ...23 Step3 Remove the AC BKT KEY BOARD IR BOARD and SPEAKERS Step4 The PANEL ...
Page 31: ...31 6 PCB Layout 6 1 Main Board 715G3759M02000005K ...
Page 32: ...32 ...
Page 33: ...33 6 2 Power Board LE19C1320 715G3762P01W32002S ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 36: ...36 LE22C1380 715G4313P01000003S ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 LE24C1380 715G4147P01H21002S ...
Page 40: ...40 ...
Page 41: ...41 ...
Page 42: ...42 6 3 Key Board 715G4105K01000004L 6 4 IR Board 715G4104R01000004S ...