25
4. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 5 V?
Replace the Panel
No display (LED blue)
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 =24 V
?
Check TV is under control and power
on/off by remote control and power key?
Summary of Contents for LE32H057D
Page 5: ...5 2 Operating Instructions 2 1 The Front Control Panel ...
Page 21: ...21 5 Remove the screws to remove the BKTs ...
Page 29: ...29 6 PCB Layout 6 1 Main Board 715G4243M01000005F ...
Page 30: ...30 ...
Page 31: ...31 ...
Page 32: ...32 ...
Page 33: ...33 6 2Power Board 715G4078P01W22003H ...
Page 34: ...34 ...
Page 35: ...35 6 3 Key Board 715G4531K01000004S 6 4IR Board 715G4086R01001005F ...
Page 36: ...36 6 5 MEMC Board 715G4242M01000005K ...
Page 37: ...37 ...
Page 68: ...68 10 Exploded View ...