32
No Power (No LED Indicator)
No Display (LED Indicator Green)
NG
Check power cord and board interface
Plug in power cord and interface
OK
Check F901, BD901, C905
NG
Replace F901, BD901, C905
OK
Check IC901, Q901
Check D904, C930, C915
NG
Replace IC901, Q901
OK
Check T901
OK
Replace T901
NG
NG
Replace D904, C930, C915
Check the source
OK
Reset source
Check LVDS cable
NG
Reset LVDS cable
OK
Check IC901, Q901
NG
Replace IC901 or Q901
OK
OK
Check U400
NG
Replace main board
OK
Check panel
NG
Replace panel
Check IC801, D801, D802, D803, D804
NG
Replace IC801, D801, D802, D803, D804
OK
Check PT801
NG
Replace PT801
OK
Check Q805, Q806
NG
Replace Q805, Q806
NG
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 ...