31
Abnormal Display
No Sound
Check TV system setup
Reset source
NG
Replace the filter or resistance
RF signal
Check Tuner
Replace Tuner
Check LVDS cable
Check input
Replace LVDS cable
Check panel
Replace panel
OK
OK
NG
OK
OK
NG
OK
OK
NG
OK
Check the source
Reset source
NG
OK
Check input signal
TV SIF
Check TV
system
Reset TV system
NG
Check TU501
NG
Change TU501
Check U400
OK
OK
Change U400
NG
Check U600
OK
NG
Change U600
Check speaker
NG
Change speaker
Check if mute
OK
Check signal filter circuit
Check the source
OK
Summary of Contents for LT19A1
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G3693M01000004K ...
Page 35: ...35 ...
Page 36: ...36 6 2 Power Board 715G2783 2 7 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 6 3 Key Board 715G3303K01001004S 6 4 IR Board 715G3870R01000004M ...
Page 41: ...41 8 Block Diagram ...
Page 63: ...63 11 Exploded View ...